PDB Short entry for 3SN5 HEADER OXIDOREDUCTASE 28-JUN-11 3SN5 TITLE CRYSTAL STRUCTURE OF HUMAN CYP7A1 IN COMPLEX WITH CHOLEST-4-EN-3-ONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHOLESTEROL 7-ALPHA-MONOOXYGENASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 25-503; COMPND 5 SYNONYM: CYP7A1, CYPVII, CHOLESTEROL 7-ALPHA-HYDROXYLASE, CYTOCHROME COMPND 6 P450 7A1; COMPND 7 EC: 1.14.13.17; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CYP7A1, CYP7; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PCW-LIC-29 KEYWDS CYTOCHROME P450, CHOLESTEROL 7-ALPHA HYDROXYLASE, CYP7A1, CHOLEST-4- KEYWDS 2 EN-3-ONE, BILE ACID BIOSYNTHESIS, STRUCTURAL GENOMICS, STRUCTURAL KEYWDS 3 GENOMICS CONSORTIUM, SGC, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR N.STRUSHKEVICH,W.TEMPEL,F.MACKENZIE,A.K.WERNIMONT,C.H.ARROWSMITH, AUTHOR 2 A.M.EDWARDS,C.BOUNTRA,J.WEIGELT,H.PARK,STRUCTURAL GENOMICS AUTHOR 3 CONSORTIUM (SGC) REVDAT 2 13-SEP-23 3SN5 1 REMARK SEQADV REVDAT 1 13-JUL-11 3SN5 0 JRNL AUTH N.STRUSHKEVICH,W.TEMPEL,F.MACKENZIE,A.K.WERNIMONT, JRNL AUTH 2 C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA,J.WEIGELT,H.PARK JRNL TITL CRYSTAL STRUCTURE OF HUMAN CYP7A1 IN COMPLEX WITH JRNL TITL 2 CHOLEST-4-EN-3-ONE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER-TNT BUSTER 2.8.0 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 33114 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : THIN SHELLS (SFTOOLS) REMARK 3 R VALUE (WORKING + TEST SET) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.360 REMARK 3 FREE R VALUE TEST SET COUNT : 1775 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 17 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.75 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.83 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : NULL REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2229 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2836 REMARK 3 BIN R VALUE (WORKING SET) : 0.2229 REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7215 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 150 REMARK 3 SOLVENT ATOMS : 36 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 67.45 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 77.13 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.27420 REMARK 3 B22 (A**2) : 2.91950 REMARK 3 B33 (A**2) : -10.19370 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.386 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.918 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 7554 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 10301 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 2448 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 157 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 1129 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 7492 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 0 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 986 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 8381 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.01 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.65 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 17.74 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|* } REMARK 3 ORIGIN FOR THE GROUP (A): 19.8594 -1.0888 -22.1778 REMARK 3 T TENSOR REMARK 3 T11: -0.2436 T22: -0.1660 REMARK 3 T33: -0.0045 T12: 0.0189 REMARK 3 T13: -0.0785 T23: -0.1131 REMARK 3 L TENSOR REMARK 3 L11: 1.6948 L22: 2.5123 REMARK 3 L33: 3.1984 L12: -0.1511 REMARK 3 L13: -0.1713 L23: 1.5116 REMARK 3 S TENSOR REMARK 3 S11: 0.0774 S12: 0.0631 S13: -0.2059 REMARK 3 S21: 0.2605 S22: 0.1644 S23: -0.2469 REMARK 3 S31: 0.2299 S32: 0.2599 S33: -0.2418 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: { B|* } REMARK 3 ORIGIN FOR THE GROUP (A): -4.5221 35.1609 -27.0853 REMARK 3 T TENSOR REMARK 3 T11: -0.2466 T22: -0.2046 REMARK 3 T33: -0.0948 T12: 0.0320 REMARK 3 T13: -0.0649 T23: -0.0168 REMARK 3 L TENSOR REMARK 3 L11: 1.2060 L22: 4.1852 REMARK 3 L33: 2.6496 L12: -0.8681 REMARK 3 L13: 0.1666 L23: -0.8311 REMARK 3 S TENSOR REMARK 3 S11: 0.1669 S12: 0.0559 S13: 0.1332 REMARK 3 S21: -0.2518 S22: -0.0949 S23: 0.3908 REMARK 3 S31: 0.0210 S32: -0.0430 S33: -0.0720 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: CHOLESTENONE RESTRAINTS ARE BASED ON REMARK 3 PDB ENTRY 2X5W AND WERE OPTIMIZED ON THE PRODRG SERVER. SOLVENT REMARK 3 ATOMS WERE ADDED BASED ON PEAKS IN THE FO-FC MAP. NON- REMARK 3 CRYSTALLOGRAPHIC SYMMETRY IN THE PEAK POSITIONS WAS CONSIDERED REMARK 3 IN THE REJECTION AND ADDITION OF SOME SITES. SOLVENT ATOMS WERE REMARK 3 NOT INCLUDED IN REFINEMENT AND STRUCTURE FACTOR CALCULATION. REMARK 3 SOME OF THE ASSIGNED WATER POSITIONS LIKELY REPRESENT OTHER REMARK 3 MOLECULE/ATOM/ION TYPES. REFMAC, PHENIX, COOT, AND THE REMARK 3 MOLPROBITY SERVER WERE ALSO USED. REMARK 4 REMARK 4 3SN5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUN-11. REMARK 100 THE DEPOSITION ID IS D_1000066407. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JUN-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97934 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33172 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.750 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.09800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.2400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.82 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.99000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 3DAX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG550 MME, 0.1 M MES, PH 6.0, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 28.08000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 80.07500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 68.81500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 80.07500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.08000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 68.81500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 18 REMARK 465 ALA A 19 REMARK 465 LYS A 20 REMARK 465 LYS A 21 REMARK 465 THR A 22 REMARK 465 SER A 23 REMARK 465 PRO A 155 REMARK 465 PRO A 156 REMARK 465 VAL A 157 REMARK 465 SER A 158 REMARK 465 SER A 159 REMARK 465 ASN A 160 REMARK 465 SER A 161 REMARK 465 LYS A 162 REMARK 465 ARG A 194 REMARK 465 ARG A 195 REMARK 465 ASP A 196 REMARK 465 THR A 197 REMARK 465 HIS A 504 REMARK 465 HIS A 505 REMARK 465 HIS A 506 REMARK 465 HIS A 507 REMARK 465 HIS A 508 REMARK 465 MET B 18 REMARK 465 ALA B 19 REMARK 465 LYS B 20 REMARK 465 LYS B 21 REMARK 465 THR B 22 REMARK 465 SER B 23 REMARK 465 SER B 24 REMARK 465 PRO B 155 REMARK 465 PRO B 156 REMARK 465 VAL B 157 REMARK 465 SER B 158 REMARK 465 SER B 159 REMARK 465 ASN B 160 REMARK 465 SER B 161 REMARK 465 LYS B 162 REMARK 465 THR B 163 REMARK 465 ALA B 164 REMARK 465 GLU B 471 REMARK 465 GLY B 472 REMARK 465 GLN B 473 REMARK 465 HIS B 504 REMARK 465 HIS B 505 REMARK 465 HIS B 506 REMARK 465 HIS B 507 REMARK 465 HIS B 508 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 SER A 24 OG REMARK 470 ARG A 26 CG CD NE CZ NH1 NH2 REMARK 470 THR A 29 OG1 CG2 REMARK 470 GLN A 60 CG CD OE1 NE2 REMARK 470 LYS A 62 CD CE NZ REMARK 470 LYS A 70 CE NZ REMARK 470 THR A 80 OG1 CG2 REMARK 470 LYS A 87 CD CE NZ REMARK 470 HIS A 91 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 93 CG CD CE NZ REMARK 470 LYS A 99 CG CD CE NZ REMARK 470 LYS A 107 CE NZ REMARK 470 MET A 117 CG SD CE REMARK 470 LYS A 131 CD CE NZ REMARK 470 HIS A 136 CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 143 CD OE1 OE2 REMARK 470 THR A 163 OG1 CG2 REMARK 470 GLN A 198 CG CD OE1 NE2 REMARK 470 LYS A 199 CG CD CE NZ REMARK 470 ILE A 202 CG1 CG2 CD1 REMARK 470 LYS A 214 CE NZ REMARK 470 HIS A 226 CG ND1 CD2 CE1 NE2 REMARK 470 ARG A 229 NE CZ NH1 NH2 REMARK 470 GLU A 245 CG CD OE1 OE2 REMARK 470 LYS A 249 CE NZ REMARK 470 ARG A 303 NE CZ NH1 NH2 REMARK 470 GLU A 306 CG CD OE1 OE2 REMARK 470 LYS A 309 CE NZ REMARK 470 GLU A 313 CG CD OE1 OE2 REMARK 470 LYS A 316 CG CD CE NZ REMARK 470 ARG A 317 NE CZ NH1 NH2 REMARK 470 LYS A 325 CG CD CE NZ REMARK 470 VAL A 326 CG1 CG2 REMARK 470 LEU A 328 CG CD1 CD2 REMARK 470 GLU A 329 CG CD OE1 OE2 REMARK 470 LYS A 367 CE NZ REMARK 470 GLU A 368 CG CD OE1 OE2 REMARK 470 GLU A 399 OE1 OE2 REMARK 470 GLU A 415 CG CD OE1 OE2 REMARK 470 ASN A 416 CG OD1 ND2 REMARK 470 LYS A 418 CG CD CE NZ REMARK 470 LYS A 431 CD CE NZ REMARK 470 ILE A 470 CG1 CG2 CD1 REMARK 470 GLU A 471 CG CD OE1 OE2 REMARK 470 GLN A 473 CG CD OE1 NE2 REMARK 470 LYS A 475 CG CD CE NZ REMARK 470 ILE A 495 CG1 CG2 CD1 REMARK 470 LYS A 498 CG CD CE NZ REMARK 470 ARG B 26 CG CD NE CZ NH1 NH2 REMARK 470 GLN B 28 OE1 NE2 REMARK 470 THR B 29 OG1 CG2 REMARK 470 LYS B 62 CD CE NZ REMARK 470 LYS B 70 CE NZ REMARK 470 LYS B 74 CD CE NZ REMARK 470 LYS B 87 CG CD CE NZ REMARK 470 HIS B 91 CG ND1 CD2 CE1 NE2 REMARK 470 LYS B 93 CG CD CE NZ REMARK 470 LYS B 98 CG CD CE NZ REMARK 470 LYS B 99 CG CD CE NZ REMARK 470 LYS B 107 CD CE NZ REMARK 470 MET B 117 SD CE REMARK 470 GLU B 143 CD OE1 OE2 REMARK 470 GLU B 147 CD OE1 OE2 REMARK 470 ARG B 194 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 195 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 196 CG OD1 OD2 REMARK 470 GLN B 198 CG CD OE1 NE2 REMARK 470 LYS B 199 CD CE NZ REMARK 470 ILE B 202 CG1 CG2 CD1 REMARK 470 LEU B 203 CG CD1 CD2 REMARK 470 ARG B 229 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 237 CD CE NZ REMARK 470 GLU B 245 CG CD OE1 OE2 REMARK 470 LYS B 249 CE NZ REMARK 470 GLU B 255 CD OE1 OE2 REMARK 470 ARG B 303 NE CZ NH1 NH2 REMARK 470 LYS B 309 CG CD CE NZ REMARK 470 LYS B 316 CG CD CE NZ REMARK 470 ARG B 317 NE CZ NH1 NH2 REMARK 470 GLU B 320 CG CD OE1 OE2 REMARK 470 LYS B 325 CG CD CE NZ REMARK 470 GLU B 329 CG CD OE1 OE2 REMARK 470 GLU B 368 CG CD OE1 OE2 REMARK 470 LEU B 372 CG CD1 CD2 REMARK 470 LEU B 374 CD1 CD2 REMARK 470 GLU B 399 CG CD OE1 OE2 REMARK 470 LYS B 408 CG CD CE NZ REMARK 470 GLU B 415 CG CD OE1 OE2 REMARK 470 LYS B 418 CG CD CE NZ REMARK 470 LYS B 420 CG CD CE NZ REMARK 470 ASN B 426 CG OD1 ND2 REMARK 470 LEU B 428 CG CD1 CD2 REMARK 470 LYS B 429 CG CD CE NZ REMARK 470 LYS B 431 CG CD CE NZ REMARK 470 GLU B 466 CG CD OE1 OE2 REMARK 470 ILE B 470 CG1 CG2 CD1 REMARK 470 ASN B 493 CG OD1 ND2 REMARK 470 LYS B 498 CG CD CE NZ REMARK 470 LYS B 500 CG CD CE NZ REMARK 470 PHE B 501 CG CD1 CD2 CE1 CE2 CZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OD1 ASN A 205 UNK UNX A 2205 1.81 REMARK 500 OD1 ASN A 51 UNK UNX A 2051 1.96 REMARK 500 O VAL B 66 UNK UNX B 2066 1.96 REMARK 500 O HIS B 63 UNK UNX B 2066 2.03 REMARK 500 OG1 THR B 121 UNK UNX B 2123 2.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 TYR A 41 -58.56 67.14 REMARK 500 ASN A 51 85.34 -161.44 REMARK 500 LYS A 98 -41.56 -135.10 REMARK 500 LEU A 192 42.88 -95.29 REMARK 500 ASP A 342 52.04 -106.38 REMARK 500 ALA A 359 51.89 -141.78 REMARK 500 TYR B 41 -67.73 70.21 REMARK 500 ASN B 51 86.67 -162.06 REMARK 500 ARG B 195 -67.43 59.62 REMARK 500 ALA B 359 52.07 -141.90 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 444 SG REMARK 620 2 HEM A 601 NA 99.1 REMARK 620 3 HEM A 601 NB 94.1 89.3 REMARK 620 4 HEM A 601 NC 89.3 171.5 90.6 REMARK 620 5 HEM A 601 ND 97.8 90.0 168.1 88.4 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 444 SG REMARK 620 2 HEM B 601 NA 98.1 REMARK 620 3 HEM B 601 NB 92.9 88.4 REMARK 620 4 HEM B 601 NC 89.1 172.9 91.1 REMARK 620 5 HEM B 601 ND 97.2 89.9 170.0 89.3 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K2B A 1429 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K2B B 1429 DBREF 3SN5 A 25 503 UNP P22680 CP7A1_HUMAN 25 503 DBREF 3SN5 B 25 503 UNP P22680 CP7A1_HUMAN 25 503 SEQADV 3SN5 MET A 18 UNP P22680 EXPRESSION TAG SEQADV 3SN5 ALA A 19 UNP P22680 EXPRESSION TAG SEQADV 3SN5 LYS A 20 UNP P22680 EXPRESSION TAG SEQADV 3SN5 LYS A 21 UNP P22680 EXPRESSION TAG SEQADV 3SN5 THR A 22 UNP P22680 EXPRESSION TAG SEQADV 3SN5 SER A 23 UNP P22680 EXPRESSION TAG SEQADV 3SN5 SER A 24 UNP P22680 EXPRESSION TAG SEQADV 3SN5 LEU A 104 UNP P22680 THR 104 ENGINEERED MUTATION SEQADV 3SN5 HIS A 504 UNP P22680 EXPRESSION TAG SEQADV 3SN5 HIS A 505 UNP P22680 EXPRESSION TAG SEQADV 3SN5 HIS A 506 UNP P22680 EXPRESSION TAG SEQADV 3SN5 HIS A 507 UNP P22680 EXPRESSION TAG SEQADV 3SN5 HIS A 508 UNP P22680 EXPRESSION TAG SEQADV 3SN5 MET B 18 UNP P22680 EXPRESSION TAG SEQADV 3SN5 ALA B 19 UNP P22680 EXPRESSION TAG SEQADV 3SN5 LYS B 20 UNP P22680 EXPRESSION TAG SEQADV 3SN5 LYS B 21 UNP P22680 EXPRESSION TAG SEQADV 3SN5 THR B 22 UNP P22680 EXPRESSION TAG SEQADV 3SN5 SER B 23 UNP P22680 EXPRESSION TAG SEQADV 3SN5 SER B 24 UNP P22680 EXPRESSION TAG SEQADV 3SN5 LEU B 104 UNP P22680 THR 104 ENGINEERED MUTATION SEQADV 3SN5 HIS B 504 UNP P22680 EXPRESSION TAG SEQADV 3SN5 HIS B 505 UNP P22680 EXPRESSION TAG SEQADV 3SN5 HIS B 506 UNP P22680 EXPRESSION TAG SEQADV 3SN5 HIS B 507 UNP P22680 EXPRESSION TAG SEQADV 3SN5 HIS B 508 UNP P22680 EXPRESSION TAG SEQRES 1 A 491 MET ALA LYS LYS THR SER SER ARG ARG ARG GLN THR GLY SEQRES 2 A 491 GLU PRO PRO LEU GLU ASN GLY LEU ILE PRO TYR LEU GLY SEQRES 3 A 491 CYS ALA LEU GLN PHE GLY ALA ASN PRO LEU GLU PHE LEU SEQRES 4 A 491 ARG ALA ASN GLN ARG LYS HIS GLY HIS VAL PHE THR CYS SEQRES 5 A 491 LYS LEU MET GLY LYS TYR VAL HIS PHE ILE THR ASN PRO SEQRES 6 A 491 LEU SER TYR HIS LYS VAL LEU CYS HIS GLY LYS TYR PHE SEQRES 7 A 491 ASP TRP LYS LYS PHE HIS PHE ALA LEU SER ALA LYS ALA SEQRES 8 A 491 PHE GLY HIS ARG SER ILE ASP PRO MET ASP GLY ASN THR SEQRES 9 A 491 THR GLU ASN ILE ASN ASP THR PHE ILE LYS THR LEU GLN SEQRES 10 A 491 GLY HIS ALA LEU ASN SER LEU THR GLU SER MET MET GLU SEQRES 11 A 491 ASN LEU GLN ARG ILE MET ARG PRO PRO VAL SER SER ASN SEQRES 12 A 491 SER LYS THR ALA ALA TRP VAL THR GLU GLY MET TYR SER SEQRES 13 A 491 PHE CYS TYR ARG VAL MET PHE GLU ALA GLY TYR LEU THR SEQRES 14 A 491 ILE PHE GLY ARG ASP LEU THR ARG ARG ASP THR GLN LYS SEQRES 15 A 491 ALA HIS ILE LEU ASN ASN LEU ASP ASN PHE LYS GLN PHE SEQRES 16 A 491 ASP LYS VAL PHE PRO ALA LEU VAL ALA GLY LEU PRO ILE SEQRES 17 A 491 HIS MET PHE ARG THR ALA HIS ASN ALA ARG GLU LYS LEU SEQRES 18 A 491 ALA GLU SER LEU ARG HIS GLU ASN LEU GLN LYS ARG GLU SEQRES 19 A 491 SER ILE SER GLU LEU ILE SER LEU ARG MET PHE LEU ASN SEQRES 20 A 491 ASP THR LEU SER THR PHE ASP ASP LEU GLU LYS ALA LYS SEQRES 21 A 491 THR HIS LEU VAL VAL LEU TRP ALA SER GLN ALA ASN THR SEQRES 22 A 491 ILE PRO ALA THR PHE TRP SER LEU PHE GLN MET ILE ARG SEQRES 23 A 491 ASN PRO GLU ALA MET LYS ALA ALA THR GLU GLU VAL LYS SEQRES 24 A 491 ARG THR LEU GLU ASN ALA GLY GLN LYS VAL SER LEU GLU SEQRES 25 A 491 GLY ASN PRO ILE CYS LEU SER GLN ALA GLU LEU ASN ASP SEQRES 26 A 491 LEU PRO VAL LEU ASP SER ILE ILE LYS GLU SER LEU ARG SEQRES 27 A 491 LEU SER SER ALA SER LEU ASN ILE ARG THR ALA LYS GLU SEQRES 28 A 491 ASP PHE THR LEU HIS LEU GLU ASP GLY SER TYR ASN ILE SEQRES 29 A 491 ARG LYS ASP ASP ILE ILE ALA LEU TYR PRO GLN LEU MET SEQRES 30 A 491 HIS LEU ASP PRO GLU ILE TYR PRO ASP PRO LEU THR PHE SEQRES 31 A 491 LYS TYR ASP ARG TYR LEU ASP GLU ASN GLY LYS THR LYS SEQRES 32 A 491 THR THR PHE TYR CYS ASN GLY LEU LYS LEU LYS TYR TYR SEQRES 33 A 491 TYR MET PRO PHE GLY SER GLY ALA THR ILE CYS PRO GLY SEQRES 34 A 491 ARG LEU PHE ALA ILE HIS GLU ILE LYS GLN PHE LEU ILE SEQRES 35 A 491 LEU MET LEU SER TYR PHE GLU LEU GLU LEU ILE GLU GLY SEQRES 36 A 491 GLN ALA LYS CYS PRO PRO LEU ASP GLN SER ARG ALA GLY SEQRES 37 A 491 LEU GLY ILE LEU PRO PRO LEU ASN ASP ILE GLU PHE LYS SEQRES 38 A 491 TYR LYS PHE LYS HIS HIS HIS HIS HIS HIS SEQRES 1 B 491 MET ALA LYS LYS THR SER SER ARG ARG ARG GLN THR GLY SEQRES 2 B 491 GLU PRO PRO LEU GLU ASN GLY LEU ILE PRO TYR LEU GLY SEQRES 3 B 491 CYS ALA LEU GLN PHE GLY ALA ASN PRO LEU GLU PHE LEU SEQRES 4 B 491 ARG ALA ASN GLN ARG LYS HIS GLY HIS VAL PHE THR CYS SEQRES 5 B 491 LYS LEU MET GLY LYS TYR VAL HIS PHE ILE THR ASN PRO SEQRES 6 B 491 LEU SER TYR HIS LYS VAL LEU CYS HIS GLY LYS TYR PHE SEQRES 7 B 491 ASP TRP LYS LYS PHE HIS PHE ALA LEU SER ALA LYS ALA SEQRES 8 B 491 PHE GLY HIS ARG SER ILE ASP PRO MET ASP GLY ASN THR SEQRES 9 B 491 THR GLU ASN ILE ASN ASP THR PHE ILE LYS THR LEU GLN SEQRES 10 B 491 GLY HIS ALA LEU ASN SER LEU THR GLU SER MET MET GLU SEQRES 11 B 491 ASN LEU GLN ARG ILE MET ARG PRO PRO VAL SER SER ASN SEQRES 12 B 491 SER LYS THR ALA ALA TRP VAL THR GLU GLY MET TYR SER SEQRES 13 B 491 PHE CYS TYR ARG VAL MET PHE GLU ALA GLY TYR LEU THR SEQRES 14 B 491 ILE PHE GLY ARG ASP LEU THR ARG ARG ASP THR GLN LYS SEQRES 15 B 491 ALA HIS ILE LEU ASN ASN LEU ASP ASN PHE LYS GLN PHE SEQRES 16 B 491 ASP LYS VAL PHE PRO ALA LEU VAL ALA GLY LEU PRO ILE SEQRES 17 B 491 HIS MET PHE ARG THR ALA HIS ASN ALA ARG GLU LYS LEU SEQRES 18 B 491 ALA GLU SER LEU ARG HIS GLU ASN LEU GLN LYS ARG GLU SEQRES 19 B 491 SER ILE SER GLU LEU ILE SER LEU ARG MET PHE LEU ASN SEQRES 20 B 491 ASP THR LEU SER THR PHE ASP ASP LEU GLU LYS ALA LYS SEQRES 21 B 491 THR HIS LEU VAL VAL LEU TRP ALA SER GLN ALA ASN THR SEQRES 22 B 491 ILE PRO ALA THR PHE TRP SER LEU PHE GLN MET ILE ARG SEQRES 23 B 491 ASN PRO GLU ALA MET LYS ALA ALA THR GLU GLU VAL LYS SEQRES 24 B 491 ARG THR LEU GLU ASN ALA GLY GLN LYS VAL SER LEU GLU SEQRES 25 B 491 GLY ASN PRO ILE CYS LEU SER GLN ALA GLU LEU ASN ASP SEQRES 26 B 491 LEU PRO VAL LEU ASP SER ILE ILE LYS GLU SER LEU ARG SEQRES 27 B 491 LEU SER SER ALA SER LEU ASN ILE ARG THR ALA LYS GLU SEQRES 28 B 491 ASP PHE THR LEU HIS LEU GLU ASP GLY SER TYR ASN ILE SEQRES 29 B 491 ARG LYS ASP ASP ILE ILE ALA LEU TYR PRO GLN LEU MET SEQRES 30 B 491 HIS LEU ASP PRO GLU ILE TYR PRO ASP PRO LEU THR PHE SEQRES 31 B 491 LYS TYR ASP ARG TYR LEU ASP GLU ASN GLY LYS THR LYS SEQRES 32 B 491 THR THR PHE TYR CYS ASN GLY LEU LYS LEU LYS TYR TYR SEQRES 33 B 491 TYR MET PRO PHE GLY SER GLY ALA THR ILE CYS PRO GLY SEQRES 34 B 491 ARG LEU PHE ALA ILE HIS GLU ILE LYS GLN PHE LEU ILE SEQRES 35 B 491 LEU MET LEU SER TYR PHE GLU LEU GLU LEU ILE GLU GLY SEQRES 36 B 491 GLN ALA LYS CYS PRO PRO LEU ASP GLN SER ARG ALA GLY SEQRES 37 B 491 LEU GLY ILE LEU PRO PRO LEU ASN ASP ILE GLU PHE LYS SEQRES 38 B 491 TYR LYS PHE LYS HIS HIS HIS HIS HIS HIS HET HEM A 601 43 HET K2B A1429 28 HET UNX A2051 1 HET UNX A2205 1 HET UNX A2491 1 HET UNX A2134 1 HET HEM B 601 43 HET K2B B1429 28 HET UNX B2066 1 HET UNX B2123 1 HET UNX B2205 1 HET UNX B2491 1 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM K2B (8ALPHA,9BETA)-CHOLEST-4-EN-3-ONE HETNAM UNX UNKNOWN ATOM OR ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 K2B 2(C27 H44 O) FORMUL 5 UNX 8(X) FORMUL 15 HOH *36(H2 O) HELIX 1 1 CYS A 44 ASN A 51 1 8 HELIX 2 2 ASN A 51 GLY A 64 1 14 HELIX 3 3 ASN A 81 LEU A 83 5 3 HELIX 4 4 SER A 84 CYS A 90 1 7 HELIX 5 5 LYS A 98 GLY A 110 1 13 HELIX 6 6 ASP A 115 GLY A 119 5 5 HELIX 7 7 ASN A 124 GLN A 134 1 11 HELIX 8 8 HIS A 136 ARG A 154 1 19 HELIX 9 9 MET A 171 GLY A 189 1 19 HELIX 10 10 GLN A 198 LYS A 214 1 17 HELIX 11 11 VAL A 215 GLY A 222 1 8 HELIX 12 12 PRO A 224 MET A 227 5 4 HELIX 13 13 PHE A 228 LEU A 242 1 15 HELIX 14 14 ARG A 243 GLN A 248 1 6 HELIX 15 15 SER A 254 LEU A 267 1 14 HELIX 16 16 ASP A 271 ALA A 288 1 18 HELIX 17 17 ASN A 289 ASN A 304 1 16 HELIX 18 18 ASN A 304 ALA A 322 1 19 HELIX 19 19 SER A 336 ASP A 342 1 7 HELIX 20 20 LEU A 343 SER A 357 1 15 HELIX 21 21 PRO A 391 LEU A 396 1 6 HELIX 22 22 GLY A 446 TYR A 464 1 19 HELIX 23 23 ASP A 480 ALA A 484 5 5 HELIX 24 24 CYS B 44 ASN B 51 1 8 HELIX 25 25 ASN B 51 GLY B 64 1 14 HELIX 26 26 ASN B 81 LEU B 83 5 3 HELIX 27 27 SER B 84 CYS B 90 1 7 HELIX 28 28 LYS B 98 GLY B 110 1 13 HELIX 29 29 ASP B 115 GLY B 119 5 5 HELIX 30 30 ASN B 124 GLN B 134 1 11 HELIX 31 31 GLN B 134 ARG B 154 1 21 HELIX 32 32 MET B 171 GLY B 189 1 19 HELIX 33 33 THR B 197 LYS B 214 1 18 HELIX 34 34 VAL B 215 GLY B 222 1 8 HELIX 35 35 PRO B 224 MET B 227 5 4 HELIX 36 36 PHE B 228 LEU B 242 1 15 HELIX 37 37 ARG B 243 GLN B 248 1 6 HELIX 38 38 SER B 254 LEU B 267 1 14 HELIX 39 39 ASP B 271 ALA B 288 1 18 HELIX 40 40 ASN B 289 ASN B 304 1 16 HELIX 41 41 ASN B 304 ALA B 322 1 19 HELIX 42 42 SER B 336 ASN B 341 1 6 HELIX 43 43 LEU B 343 SER B 357 1 15 HELIX 44 44 PRO B 391 LEU B 396 1 6 HELIX 45 45 GLY B 446 TYR B 464 1 19 HELIX 46 46 ASP B 480 ALA B 484 5 5 SHEET 1 A 6 LEU A 34 GLU A 35 0 SHEET 2 A 6 VAL A 66 LEU A 71 1 O THR A 68 N GLU A 35 SHEET 3 A 6 LYS A 74 ILE A 79 -1 O PHE A 78 N PHE A 67 SHEET 4 A 6 ILE A 386 LEU A 389 1 O ILE A 386 N HIS A 77 SHEET 5 A 6 ASN A 362 ALA A 366 -1 N ARG A 364 O ILE A 387 SHEET 6 A 6 PHE A 95 ASP A 96 -1 N ASP A 96 O THR A 365 SHEET 1 B 3 VAL A 167 GLY A 170 0 SHEET 2 B 3 GLU A 496 PHE A 501 -1 O TYR A 499 N VAL A 167 SHEET 3 B 3 PHE A 465 LEU A 469 -1 N GLU A 468 O LYS A 498 SHEET 1 C 2 SER A 358 SER A 360 0 SHEET 2 C 2 LEU A 486 ILE A 488 -1 O GLY A 487 N ALA A 359 SHEET 1 D 2 PHE A 370 HIS A 373 0 SHEET 2 D 2 SER A 378 ILE A 381 -1 O TYR A 379 N LEU A 372 SHEET 1 E 2 TYR A 424 CYS A 425 0 SHEET 2 E 2 LEU A 428 LYS A 429 -1 O LEU A 428 N CYS A 425 SHEET 1 F 2 GLY A 438 SER A 439 0 SHEET 2 F 2 THR A 442 ILE A 443 -1 O THR A 442 N SER A 439 SHEET 1 G 6 LEU B 34 GLU B 35 0 SHEET 2 G 6 VAL B 66 LEU B 71 1 O LYS B 70 N GLU B 35 SHEET 3 G 6 LYS B 74 ILE B 79 -1 O VAL B 76 N CYS B 69 SHEET 4 G 6 ILE B 386 LEU B 389 1 O ILE B 386 N HIS B 77 SHEET 5 G 6 ASN B 362 ALA B 366 -1 N ARG B 364 O ILE B 387 SHEET 6 G 6 PHE B 95 ASP B 96 -1 N ASP B 96 O THR B 365 SHEET 1 H 3 VAL B 167 GLY B 170 0 SHEET 2 H 3 GLU B 496 PHE B 501 -1 O TYR B 499 N VAL B 167 SHEET 3 H 3 PHE B 465 LEU B 469 -1 N GLU B 468 O LYS B 498 SHEET 1 I 2 ARG B 190 ASP B 191 0 SHEET 2 I 2 ARG B 250 GLU B 251 -1 O GLU B 251 N ARG B 190 SHEET 1 J 2 SER B 358 SER B 360 0 SHEET 2 J 2 LEU B 486 ILE B 488 -1 O GLY B 487 N ALA B 359 SHEET 1 K 2 PHE B 370 HIS B 373 0 SHEET 2 K 2 SER B 378 ILE B 381 -1 O TYR B 379 N LEU B 372 SHEET 1 L 2 TYR B 424 CYS B 425 0 SHEET 2 L 2 LEU B 428 LYS B 429 -1 O LEU B 428 N CYS B 425 SHEET 1 M 2 GLY B 438 SER B 439 0 SHEET 2 M 2 THR B 442 ILE B 443 -1 O THR B 442 N SER B 439 LINK SG CYS A 444 FE HEM A 601 1555 1555 2.26 LINK SG CYS B 444 FE HEM B 601 1555 1555 2.29 SITE 1 AC1 18 HIS A 101 PHE A 129 ALA A 285 SER A 286 SITE 2 AC1 18 ASN A 289 THR A 290 ALA A 293 SER A 360 SITE 3 AC1 18 ASN A 362 PRO A 436 PHE A 437 THR A 442 SITE 4 AC1 18 CYS A 444 PRO A 445 ALA A 450 GLU A 453 SITE 5 AC1 18 K2B A1429 HOH A2601 SITE 1 AC2 13 HIS A 101 LEU A 104 SER A 105 ILE A 114 SITE 2 AC2 13 ILE A 125 ARG A 260 VAL A 281 ALA A 285 SITE 3 AC2 13 SER A 360 LEU A 361 GLY A 485 LEU A 486 SITE 4 AC2 13 HEM A 601 SITE 1 AC3 18 HIS B 101 PHE B 129 ALA B 285 SER B 286 SITE 2 AC3 18 ASN B 289 THR B 290 ALA B 293 SER B 360 SITE 3 AC3 18 ASN B 362 PRO B 436 PHE B 437 THR B 442 SITE 4 AC3 18 CYS B 444 PRO B 445 ALA B 450 GLU B 453 SITE 5 AC3 18 K2B B1429 HOH B2601 SITE 1 AC4 13 HIS B 101 LEU B 104 SER B 105 ILE B 114 SITE 2 AC4 13 ILE B 125 ARG B 260 VAL B 281 ALA B 285 SITE 3 AC4 13 SER B 360 LEU B 361 GLY B 485 LEU B 486 SITE 4 AC4 13 HEM B 601 CRYST1 56.160 137.630 160.150 90.00 90.00 90.00 P 21 21 21 8 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.017806 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007266 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006244 0.00000