PDB Short entry for 1CO6 HEADER ELECTRON TRANSPORT 05-JUN-99 1CO6 TITLE CRYSTAL STRUCTURE OF FERROCYTOCHROME C2 FROM RHODOPSEUDOMONAS VIRIDIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (CYTOCHROME C2); COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BLASTOCHLORIS VIRIDIS; SOURCE 3 ORGANISM_TAXID: 1079 KEYWDS ELECTRON TRANSPORT(HEME PROTEIN), ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR K.MIKI,S.SOGABE REVDAT 5 09-AUG-23 1CO6 1 REMARK REVDAT 4 03-MAR-21 1CO6 1 COMPND REMARK HET HETNAM REVDAT 4 2 1 HETSYN FORMUL LINK ATOM REVDAT 3 04-OCT-17 1CO6 1 REMARK REVDAT 2 24-FEB-09 1CO6 1 VERSN REVDAT 1 18-JUN-99 1CO6 0 JRNL AUTH S.SOGABE,K.MIKI JRNL TITL REFINED CRYSTAL STRUCTURE OF FERROCYTOCHROME C2 FROM JRNL TITL 2 RHODOPSEUDOMONAS VIRIDIS AT 1.6 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 252 235 1995 JRNL REFN ISSN 0022-2836 JRNL PMID 7674304 JRNL DOI 10.1006/JMBI.1995.0491 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.MIKI,S.SOGABE,A.UNO,T.EZOE,N.KASAI,M.SAEDA,Y.MATSUURA, REMARK 1 AUTH 2 M.MIKI REMARK 1 TITL APPLICATION OF AUTOMATIC MOLECULAR-REPLACEMENT PROCEDURE TO REMARK 1 TITL 2 CRYSTAL STRUCTURE ANALYSIS OF CYTOCHRROME C2 FROM REMARK 1 TITL 3 RHODOPSEUDOMONAS VIRIDIS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 50 271 1994 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444993013952 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.SOGABE,T.EZOE,N.KASAI,M.SAEDA,A.UNO,M.MIKI,K.MIKI REMARK 1 TITL STRUCTURE SIMILARITY OF CYTOCHRROME C2 FROM RHODOPSEUDOMONAS REMARK 1 TITL 2 VIRIDIS TO MITOCHONDRIAL CYTOCHROME C REVEALED BY ITS REMARK 1 TITL 3 CRYSTAL STRUCTURE AT 2.7 A RESOKUTION REMARK 1 REF FEBS LETT. V. 345 5 1994 REMARK 1 REFN ISSN 0014-5793 REMARK 1 DOI 10.1016/0014-5793(94)00389-0 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 85.2 REMARK 3 NUMBER OF REFLECTIONS : 15014 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.182 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 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 821 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 145 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.015 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.037 ; 0.037 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.044 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.014 ; 0.200 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.141 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.176 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.226 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.223 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 2.400 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 18.900; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 15.000; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.131 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.696 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.267 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.481 ; 2.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: INITIAL REFINEMENT WITH X-PLOR 3.1 REMARK 4 REMARK 4 1CO6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1000001153. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUL-94 REMARK 200 TEMPERATURE (KELVIN) : 291 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-6A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : WEISSENBERG REMARK 200 INTENSITY-INTEGRATION SOFTWARE : WEIS REMARK 200 DATA SCALING SOFTWARE : PROTEIN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16166 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.1 REMARK 200 DATA REDUNDANCY : 1.000 REMARK 200 R MERGE (I) : 0.07200 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 5CYT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.52 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS WERE GROWN FROM AN AMMONIUM REMARK 280 SULFATE SOLUTION AT PH 8.5, VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.93333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 13.46667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 13.46667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 26.93333 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 CB SER A 91 O HOH A 221 5555 0.45 REMARK 500 CA SER A 91 O HOH A 221 5555 1.47 REMARK 500 OG SER A 91 O HOH A 221 5555 1.87 REMARK 500 O HOH A 140 O HOH A 166 5555 2.05 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 GLU A 43 CB - CG - CD ANGL. DEV. = 19.1 DEGREES REMARK 500 GLU A 43 CG - CD - OE1 ANGL. DEV. = 13.7 DEGREES REMARK 500 ASP A 49 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 GLU A 61 CA - CB - CG ANGL. DEV. = 16.6 DEGREES REMARK 500 ARG A 64 NE - CZ - NH1 ANGL. DEV. = 6.6 DEGREES REMARK 500 ARG A 64 NE - CZ - NH2 ANGL. DEV. = -5.1 DEGREES REMARK 500 ASP A 69 CB - CG - OD2 ANGL. DEV. = 7.6 DEGREES REMARK 500 LYS A 78 CA - CB - CG ANGL. DEV. = 14.2 DEGREES REMARK 500 ASP A 86 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ASP A 86 CB - CG - OD2 ANGL. DEV. = -6.5 DEGREES REMARK 500 ASP A 103 CB - CG - OD1 ANGL. DEV. = 6.7 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 LYS A 26 -132.65 -126.86 REMARK 500 ASP A 69 85.53 -163.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 218 DISTANCE = 5.90 ANGSTROMS REMARK 525 HOH A 240 DISTANCE = 7.42 ANGSTROMS 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 HEC A 108 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 17 NE2 REMARK 620 2 HEC A 108 NA 87.0 REMARK 620 3 HEC A 108 NB 89.3 89.9 REMARK 620 4 HEC A 108 NC 90.2 177.1 89.3 REMARK 620 5 HEC A 108 ND 86.5 91.3 175.5 89.3 REMARK 620 6 MET A 79 SD 172.4 87.3 95.8 95.5 88.6 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 HEC A 108 DBREF 1CO6 A 1 107 UNP P00083 CYC2_RHOVI 21 127 SEQRES 1 A 107 GLN ASP ALA ALA SER GLY GLU GLN VAL PHE LYS GLN CYS SEQRES 2 A 107 LEU VAL CYS HIS SER ILE GLY PRO GLY ALA LYS ASN LYS SEQRES 3 A 107 VAL GLY PRO VAL LEU ASN GLY LEU PHE GLY ARG HIS SER SEQRES 4 A 107 GLY THR ILE GLU GLY PHE ALA TYR SER ASP ALA ASN LYS SEQRES 5 A 107 ASN SER GLY ILE THR TRP THR GLU GLU VAL PHE ARG GLU SEQRES 6 A 107 TYR ILE ARG ASP PRO LYS ALA LYS ILE PRO GLY THR LYS SEQRES 7 A 107 MET ILE PHE ALA GLY VAL LYS ASP GLU GLN LYS VAL SER SEQRES 8 A 107 ASP LEU ILE ALA TYR ILE LYS GLN PHE ASN ALA ASP GLY SEQRES 9 A 107 SER LYS LYS HET HEC A 108 43 HETNAM HEC HEME C FORMUL 2 HEC C34 H34 FE N4 O4 FORMUL 3 HOH *145(H2 O) HELIX 1 A ASP A 2 PHE A 10 1 9 HELIX 2 B PHE A 10 LEU A 14 1 5 HELIX 3 C SER A 48 ASN A 53 1 6 HELIX 4 D THR A 59 ASP A 69 1 11 HELIX 5 E ASP A 69 ILE A 74 1 6 LINK SG CYS A 13 CAB HEC A 108 1555 1555 1.88 LINK SG CYS A 16 CAC HEC A 108 1555 1555 2.01 LINK NE2 HIS A 17 FE HEC A 108 1555 1555 1.97 LINK SD MET A 79 FE HEC A 108 1555 1555 2.29 SITE 1 AC1 19 GLN A 12 CYS A 13 CYS A 16 HIS A 17 SITE 2 AC1 19 VAL A 27 ARG A 37 SER A 39 GLY A 40 SITE 3 AC1 19 TYR A 47 SER A 48 ASN A 51 TRP A 58 SITE 4 AC1 19 PHE A 63 ILE A 67 THR A 77 LYS A 78 SITE 5 AC1 19 MET A 79 PHE A 81 HOH A 115 CRYST1 76.130 76.130 40.400 90.00 90.00 120.00 P 32 2 1 6 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 0.013135 0.007584 0.000000 0.00000 SCALE2 0.000000 0.015167 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024752 0.00000