HEADER ELECTRON TRANSPORT 18-NOV-16 5TY3 TITLE CRYSTAL STRUCTURE OF K72A VARIANT OF HUMAN CYTOCHROME C COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 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: CYCS, CYC; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 KEYWDS HUMAN CYTOCHROME C, OXIDOREDUCTASE, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR T.C.MOU,S.M.NOLD,H.LEI,S.R.SPRANG,B.E.BOWLER REVDAT 2 04-OCT-23 5TY3 1 REMARK REVDAT 1 06-SEP-17 5TY3 0 JRNL AUTH S.M.NOLD,H.LEI,T.C.MOU,B.E.BOWLER JRNL TITL EFFECT OF A K72A MUTATION ON THE STRUCTURE, STABILITY, JRNL TITL 2 DYNAMICS, AND PEROXIDASE ACTIVITY OF HUMAN CYTOCHROME C. JRNL REF BIOCHEMISTRY V. 56 3358 2017 JRNL REFN ISSN 1520-4995 JRNL PMID 28598148 JRNL DOI 10.1021/ACS.BIOCHEM.7B00342 REMARK 2 REMARK 2 RESOLUTION. 1.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10.1_2155 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.83 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 62451 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.148 REMARK 3 R VALUE (WORKING SET) : 0.147 REMARK 3 FREE R VALUE : 0.166 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.210 REMARK 3 FREE R VALUE TEST SET COUNT : 2005 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 23.8316 - 3.0053 0.99 4526 142 0.1424 0.1581 REMARK 3 2 3.0053 - 2.3861 0.98 4384 149 0.1450 0.1638 REMARK 3 3 2.3861 - 2.0847 1.00 4418 151 0.1367 0.1640 REMARK 3 4 2.0847 - 1.8942 0.98 4302 144 0.1452 0.1503 REMARK 3 5 1.8942 - 1.7585 0.99 4382 140 0.1452 0.1657 REMARK 3 6 1.7585 - 1.6548 0.99 4380 144 0.1456 0.2001 REMARK 3 7 1.6548 - 1.5720 0.98 4313 146 0.1413 0.1558 REMARK 3 8 1.5720 - 1.5036 0.97 4271 136 0.1466 0.1745 REMARK 3 9 1.5036 - 1.4457 0.99 4338 147 0.1481 0.1556 REMARK 3 10 1.4457 - 1.3958 0.99 4315 146 0.1572 0.1588 REMARK 3 11 1.3958 - 1.3522 0.98 4330 141 0.1671 0.1858 REMARK 3 12 1.3522 - 1.3135 0.96 4182 144 0.1703 0.2203 REMARK 3 13 1.3135 - 1.2789 0.96 4257 141 0.1826 0.1750 REMARK 3 14 1.2789 - 1.2477 0.92 4048 134 0.1968 0.2152 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.090 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.060 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.85 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.023 1812 REMARK 3 ANGLE : 1.382 2447 REMARK 3 CHIRALITY : 0.096 234 REMARK 3 PLANARITY : 0.018 303 REMARK 3 DIHEDRAL : 19.016 677 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5TY3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-NOV-16. REMARK 100 THE DEPOSITION ID IS D_1000225008. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JUL-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.07 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M-F REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 62478 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.250 REMARK 200 RESOLUTION RANGE LOW (A) : 23.830 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07000 REMARK 200 FOR THE DATA SET : 24.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.29 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.27000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.100 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: 3ZCF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 6000, 0.1 M TRIS PH 8, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 18.95100 REMARK 290 SMTRY3 2 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 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 HZ1 LYS B 87 O HOH B 304 1.45 REMARK 500 O HOH B 332 O HOH B 410 1.54 REMARK 500 HZ3 LYS B 5 O HOH B 309 1.59 REMARK 500 O HOH A 481 O HOH A 482 1.87 REMARK 500 O HOH B 479 O HOH B 491 1.94 REMARK 500 O HOH B 390 O HOH B 439 1.94 REMARK 500 SG CYS A 17 CAC HEC A 201 2.01 REMARK 500 O HOH B 301 O HOH B 412 2.01 REMARK 500 O HOH A 444 O HOH A 484 2.07 REMARK 500 OE1 GLU B 4 O HOH B 301 2.09 REMARK 500 O HOH B 373 O HOH B 452 2.10 REMARK 500 O HOH B 419 O HOH B 481 2.11 REMARK 500 OE2 GLU A 104 O HOH A 301 2.12 REMARK 500 O HOH A 437 O HOH A 477 2.14 REMARK 500 O HOH B 348 O HOH B 371 2.16 REMARK 500 O HOH A 438 O HOH A 460 2.17 REMARK 500 O HOH B 436 O HOH B 510 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 O HOH A 456 O HOH B 515 2546 1.85 REMARK 500 O HOH A 426 O HOH A 437 1565 2.16 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 38 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG B 38 NE - CZ - NH2 ANGL. DEV. = -3.0 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 27 -139.79 -128.87 REMARK 500 LYS B 27 -137.51 -126.90 REMARK 500 ASN B 70 91.32 -162.39 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 HEC A 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 18 NE2 REMARK 620 2 HEC A 201 NA 89.2 REMARK 620 3 HEC A 201 NB 87.0 90.1 REMARK 620 4 HEC A 201 NC 89.9 179.1 89.6 REMARK 620 5 HEC A 201 ND 90.8 89.1 177.7 91.1 REMARK 620 6 MET A 80 SD 174.7 85.6 94.3 95.2 87.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC B 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 18 NE2 REMARK 620 2 HEC B 201 NA 90.9 REMARK 620 3 HEC B 201 NB 87.6 90.9 REMARK 620 4 HEC B 201 NC 89.8 178.8 90.0 REMARK 620 5 HEC B 201 ND 91.3 90.0 178.6 89.1 REMARK 620 6 MET B 80 SD 175.7 85.0 93.7 94.3 87.4 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEC B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 202 DBREF 5TY3 A 1 104 UNP P99999 CYC_HUMAN 2 105 DBREF 5TY3 B 1 104 UNP P99999 CYC_HUMAN 2 105 SEQADV 5TY3 ALA A 72 UNP P99999 LYS 73 CONFLICT SEQADV 5TY3 ALA B 72 UNP P99999 LYS 73 CONFLICT SEQRES 1 A 104 GLY ASP VAL GLU LYS GLY LYS LYS ILE PHE ILE MET LYS SEQRES 2 A 104 CYS SER GLN CYS HIS THR VAL GLU LYS GLY GLY LYS HIS SEQRES 3 A 104 LYS THR GLY PRO ASN LEU HIS GLY LEU PHE GLY ARG LYS SEQRES 4 A 104 THR GLY GLN ALA PRO GLY TYR SER TYR THR ALA ALA ASN SEQRES 5 A 104 LYS ASN LYS GLY ILE ILE TRP GLY GLU ASP THR LEU MET SEQRES 6 A 104 GLU TYR LEU GLU ASN PRO ALA LYS TYR ILE PRO GLY THR SEQRES 7 A 104 LYS MET ILE PHE VAL GLY ILE LYS LYS LYS GLU GLU ARG SEQRES 8 A 104 ALA ASP LEU ILE ALA TYR LEU LYS LYS ALA THR ASN GLU SEQRES 1 B 104 GLY ASP VAL GLU LYS GLY LYS LYS ILE PHE ILE MET LYS SEQRES 2 B 104 CYS SER GLN CYS HIS THR VAL GLU LYS GLY GLY LYS HIS SEQRES 3 B 104 LYS THR GLY PRO ASN LEU HIS GLY LEU PHE GLY ARG LYS SEQRES 4 B 104 THR GLY GLN ALA PRO GLY TYR SER TYR THR ALA ALA ASN SEQRES 5 B 104 LYS ASN LYS GLY ILE ILE TRP GLY GLU ASP THR LEU MET SEQRES 6 B 104 GLU TYR LEU GLU ASN PRO ALA LYS TYR ILE PRO GLY THR SEQRES 7 B 104 LYS MET ILE PHE VAL GLY ILE LYS LYS LYS GLU GLU ARG SEQRES 8 B 104 ALA ASP LEU ILE ALA TYR LEU LYS LYS ALA THR ASN GLU HET HEC A 201 72 HET SO4 A 202 5 HET HEC B 201 71 HET SO4 B 202 5 HETNAM HEC HEME C HETNAM SO4 SULFATE ION FORMUL 3 HEC 2(C34 H34 FE N4 O4) FORMUL 4 SO4 2(O4 S 2-) FORMUL 7 HOH *447(H2 O) HELIX 1 AA1 ASP A 2 CYS A 14 1 13 HELIX 2 AA2 THR A 49 LYS A 55 1 7 HELIX 3 AA3 GLY A 60 ASN A 70 1 11 HELIX 4 AA4 ASN A 70 ILE A 75 1 6 HELIX 5 AA5 LYS A 87 THR A 102 1 16 HELIX 6 AA6 ASP B 2 CYS B 14 1 13 HELIX 7 AA7 THR B 49 LYS B 55 1 7 HELIX 8 AA8 GLY B 60 ASN B 70 1 11 HELIX 9 AA9 ASN B 70 ILE B 75 1 6 HELIX 10 AB1 LYS B 87 THR B 102 1 16 LINK SG CYS A 14 CAB HEC A 201 1555 1555 1.81 LINK SG CYS B 14 CAB HEC B 201 1555 1555 1.78 LINK SG CYS B 17 CAC HEC B 201 1555 1555 1.96 LINK NE2 HIS A 18 FE HEC A 201 1555 1555 1.98 LINK SD MET A 80 FE HEC A 201 1555 1555 2.29 LINK NE2 HIS B 18 FE HEC B 201 1555 1555 1.99 LINK SD MET B 80 FE HEC B 201 1555 1555 2.28 SITE 1 AC1 21 LYS A 13 HIS A 18 THR A 28 GLY A 29 SITE 2 AC1 21 PRO A 30 THR A 40 GLY A 41 TYR A 46 SITE 3 AC1 21 TYR A 48 THR A 49 ASN A 52 TRP A 59 SITE 4 AC1 21 TYR A 67 THR A 78 LYS A 79 MET A 80 SITE 5 AC1 21 ILE A 81 PHE A 82 HOH A 313 HOH A 348 SITE 6 AC1 21 LYS B 55 SITE 1 AC2 5 THR A 49 ALA A 50 HOH A 304 HOH A 403 SITE 2 AC2 5 LYS B 86 SITE 1 AC3 20 LYS B 13 HIS B 18 THR B 28 GLY B 29 SITE 2 AC3 20 PRO B 30 THR B 40 GLY B 41 TYR B 46 SITE 3 AC3 20 TYR B 48 THR B 49 ASN B 52 TRP B 59 SITE 4 AC3 20 TYR B 67 THR B 78 LYS B 79 MET B 80 SITE 5 AC3 20 ILE B 81 PHE B 82 HOH B 322 HOH B 345 SITE 1 AC4 7 PHE B 36 GLY B 60 GLU B 61 LYS B 99 SITE 2 AC4 7 HOH B 306 HOH B 311 HOH B 318 CRYST1 56.794 37.902 60.254 90.00 116.79 90.00 P 1 21 1 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 0.017607 0.000000 0.008890 0.00000 SCALE2 0.000000 0.026384 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018592 0.00000