PDB Short entry for 1CCA HEADER OXIDOREDUCTASE 04-JAN-93 1CCA TITLE THE ASP-HIS-FE TRIAD OF CYTOCHROME C PEROXIDASE CONTROLS THE REDUCTION TITLE 2 POTENTIAL, ELECTRONIC STRUCTURE, AND COUPLING OF THE TRYPTOPHAN FREE- TITLE 3 RADICAL TO THE HEME COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C PEROXIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.11.1.5; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932 KEYWDS OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR D.B.GOODIN,D.E.MCREE REVDAT 4 29-NOV-17 1CCA 1 HELIX REVDAT 3 24-FEB-09 1CCA 1 VERSN REVDAT 2 01-APR-03 1CCA 1 JRNL REVDAT 1 31-OCT-93 1CCA 0 JRNL AUTH D.B.GOODIN,D.E.MCREE JRNL TITL THE ASP-HIS-FE TRIAD OF CYTOCHROME C PEROXIDASE CONTROLS THE JRNL TITL 2 REDUCTION POTENTIAL, ELECTRONIC STRUCTURE, AND COUPLING OF JRNL TITL 3 THE TRYPTOPHAN FREE RADICAL TO THE HEME. JRNL REF BIOCHEMISTRY V. 32 3313 1993 JRNL REFN ISSN 0006-2960 JRNL PMID 8384877 JRNL DOI 10.1021/BI00064A014 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL 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 : 2348 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 49 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CCA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172222. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 52.60000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 22.70000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.15000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 22.70000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 52.60000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.15000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 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 -2 REMARK 465 LYS A -1 REMARK 465 THR A 0 REMARK 465 THR A 1 REMARK 465 THR A 2 REMARK 465 PRO A 3 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 LYS A 12 NZ REMARK 470 LYS A 260 NZ 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 HG1 THR A 63 HH12 ARG A 143 1.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 6 NE2 HIS A 6 CD2 -0.071 REMARK 500 HIS A 60 NE2 HIS A 60 CD2 -0.071 REMARK 500 HIS A 96 NE2 HIS A 96 CD2 -0.073 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 4.8 DEGREES REMARK 500 ARG A 31 NE - CZ - NH2 ANGL. DEV. = -5.3 DEGREES REMARK 500 ARG A 48 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 TRP A 51 CD1 - CG - CD2 ANGL. DEV. = 6.5 DEGREES REMARK 500 TRP A 51 CB - CG - CD1 ANGL. DEV. = -8.8 DEGREES REMARK 500 TRP A 51 CE2 - CD2 - CG ANGL. DEV. = -6.2 DEGREES REMARK 500 TRP A 51 CG - CD2 - CE3 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 57 CD1 - CG - CD2 ANGL. DEV. = 5.1 DEGREES REMARK 500 TRP A 57 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 TRP A 101 CD1 - CG - CD2 ANGL. DEV. = 6.3 DEGREES REMARK 500 TRP A 101 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP A 126 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 126 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 ARG A 127 NE - CZ - NH1 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG A 127 NE - CZ - NH2 ANGL. DEV. = -4.4 DEGREES REMARK 500 ARG A 130 CG - CD - NE ANGL. DEV. = -12.8 DEGREES REMARK 500 ARG A 143 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 143 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ASN A 162 CA - C - N ANGL. DEV. = -14.4 DEGREES REMARK 500 MET A 163 CG - SD - CE ANGL. DEV. = -9.7 DEGREES REMARK 500 TRP A 191 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 191 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP A 211 CD1 - CG - CD2 ANGL. DEV. = 6.3 DEGREES REMARK 500 TRP A 211 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 TRP A 223 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP A 223 CE2 - CD2 - CG ANGL. DEV. = -5.8 DEGREES REMARK 500 LYS A 278 CA - CB - CG ANGL. DEV. = -14.8 DEGREES 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 ASP A 148 39.41 -90.19 REMARK 500 ASN A 162 66.81 16.59 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 295 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 175 NE2 REMARK 620 2 HEM A 295 NA 97.2 REMARK 620 3 HEM A 295 NB 95.5 89.7 REMARK 620 4 HEM A 295 NC 92.5 170.2 90.4 REMARK 620 5 HEM A 295 ND 93.2 90.7 171.2 87.7 REMARK 620 6 HOH A 313 O 174.4 78.0 81.6 92.3 89.9 REMARK 620 N 1 2 3 4 5 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 295 DBREF 1CCA A 1 294 UNP P00431 CCPR_YEAST 68 361 SEQADV 1CCA ILE A 53 UNP P00431 THR 120 CONFLICT SEQADV 1CCA GLY A 152 UNP P00431 ASP 219 CONFLICT SEQRES 1 A 297 MET LYS THR THR THR PRO LEU VAL HIS VAL ALA SER VAL SEQRES 2 A 297 GLU LYS GLY ARG SER TYR GLU ASP PHE GLN LYS VAL TYR SEQRES 3 A 297 ASN ALA ILE ALA LEU LYS LEU ARG GLU ASP ASP GLU TYR SEQRES 4 A 297 ASP ASN TYR ILE GLY TYR GLY PRO VAL LEU VAL ARG LEU SEQRES 5 A 297 ALA TRP HIS ILE SER GLY THR TRP ASP LYS HIS ASP ASN SEQRES 6 A 297 THR GLY GLY SER TYR GLY GLY THR TYR ARG PHE LYS LYS SEQRES 7 A 297 GLU PHE ASN ASP PRO SER ASN ALA GLY LEU GLN ASN GLY SEQRES 8 A 297 PHE LYS PHE LEU GLU PRO ILE HIS LYS GLU PHE PRO TRP SEQRES 9 A 297 ILE SER SER GLY ASP LEU PHE SER LEU GLY GLY VAL THR SEQRES 10 A 297 ALA VAL GLN GLU MET GLN GLY PRO LYS ILE PRO TRP ARG SEQRES 11 A 297 CYS GLY ARG VAL ASP THR PRO GLU ASP THR THR PRO ASP SEQRES 12 A 297 ASN GLY ARG LEU PRO ASP ALA ASP LYS ASP ALA GLY TYR SEQRES 13 A 297 VAL ARG THR PHE PHE GLN ARG LEU ASN MET ASN ASP ARG SEQRES 14 A 297 GLU VAL VAL ALA LEU MET GLY ALA HIS ALA LEU GLY LYS SEQRES 15 A 297 THR HIS LEU LYS ASN SER GLY TYR GLU GLY PRO TRP GLY SEQRES 16 A 297 ALA ALA ASN ASN VAL PHE THR ASN GLU PHE TYR LEU ASN SEQRES 17 A 297 LEU LEU ASN GLU ASP TRP LYS LEU GLU LYS ASN ASP ALA SEQRES 18 A 297 ASN ASN GLU GLN TRP ASP SER LYS SER GLY TYR MET MET SEQRES 19 A 297 LEU PRO THR ASP TYR SER LEU ILE GLN ASP PRO LYS TYR SEQRES 20 A 297 LEU SER ILE VAL LYS GLU TYR ALA ASN ASP GLN ASP LYS SEQRES 21 A 297 PHE PHE LYS ASP PHE SER LYS ALA PHE GLU LYS LEU LEU SEQRES 22 A 297 GLU ASN GLY ILE THR PHE PRO LYS ASP ALA PRO SER PRO SEQRES 23 A 297 PHE ILE PHE LYS THR LEU GLU GLU GLN GLY LEU HET HEM A 295 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *49(H2 O) HELIX 1 A SER A 15 ASP A 33 1 19 HELIX 2 B TYR A 42 SER A 54 1 13 HELIX 3 B1 PHE A 73 ASN A 78 1 6 HELIX 4 C GLY A 84 PHE A 99 1BENT AT PRO 94 16 HELIX 5 D SER A 103 MET A 119 1 17 HELIX 6 E ASP A 150 PHE A 158 1 9 HELIX 7 F ASN A 164 LEU A 177 1 14 HELIX 8 F1 HIS A 181 GLY A 186 1 6 HELIX 9 G GLU A 201 GLU A 209 1 9 HELIX 10 H LEU A 232 GLN A 240 1 9 HELIX 11 I ASP A 241 ASN A 253 1 13 HELIX 12 J GLN A 255 ASN A 272 1 18 HELIX 13 J1 THR A 288 GLY A 293 1 6 SHEET 1 A 2 LYS A 179 THR A 180 0 SHEET 2 A 2 GLY A 189 PRO A 190 -1 O GLY A 189 N THR A 180 SHEET 1 B 3 TRP A 211 LYS A 215 0 SHEET 2 B 3 GLU A 221 SER A 225 -1 O GLN A 222 N GLU A 214 SHEET 3 B 3 MET A 230 MET A 231 -1 O MET A 231 N TRP A 223 LINK NE2 HIS A 175 FE HEM A 295 1555 1555 2.01 LINK FE HEM A 295 O HOH A 313 1555 1555 2.18 SITE 1 AC1 18 PRO A 44 TRP A 51 ASP A 146 LEU A 171 SITE 2 AC1 18 ALA A 174 HIS A 175 LEU A 177 GLY A 178 SITE 3 AC1 18 LYS A 179 THR A 180 HIS A 181 ASN A 184 SITE 4 AC1 18 SER A 185 TRP A 191 HOH A 302 HOH A 311 SITE 5 AC1 18 HOH A 313 HOH A 314 CRYST1 105.200 74.300 45.400 90.00 90.00 90.00 P 21 21 21 4 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 0.009506 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013459 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022026 0.00000