HEADER OXIDOREDUCTASE 09-JAN-24 8VKF TITLE THE CRYSTAL STRUCTURE OF WILD-TYPE CYP199A4 BOUND TO 4- TITLE 2 PROPIONYLBENZOIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYP199A4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODOPSEUDOMONAS PALUSTRIS HAA2; SOURCE 3 ORGANISM_TAXID: 316058; SOURCE 4 GENE: RPB_3613; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS CYTOCHROME P450, CYP199A4, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.N.PODGORSKI,S.G.BELL REVDAT 2 31-JUL-24 8VKF 1 JRNL REVDAT 1 08-MAY-24 8VKF 0 JRNL AUTH J.H.Z.LEE,T.COLEMAN,M.A.MCLEAN,M.N.PODGORSKI,E.F.HAYBALL, JRNL AUTH 2 I.S.J.STONE,J.B.BRUNING,F.WHELAN,J.J.DE VOSS,S.G.SLIGAR, JRNL AUTH 3 S.G.BELL JRNL TITL SELECTIVE ALPHA-HYDROXYKETONE FORMATION AND SUBSEQUENT C-C JRNL TITL 2 BOND CLEAVAGE BY CYTOCHROME P450 MONOOXYGENASE ENZYMES JRNL REF ACS CATALYSIS V. 14 8958 2024 JRNL REFN ESSN 2155-5435 JRNL DOI 10.1021/ACSCATAL.4C01766 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.11.1_2575: ???) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.91 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 36180 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.176 REMARK 3 FREE R VALUE : 0.212 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.160 REMARK 3 FREE R VALUE TEST SET COUNT : 1866 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 40.9130 - 3.9962 1.00 2724 157 0.1463 0.1608 REMARK 3 2 3.9962 - 3.1723 0.99 2658 125 0.1461 0.1493 REMARK 3 3 3.1723 - 2.7714 1.00 2656 153 0.1728 0.2161 REMARK 3 4 2.7714 - 2.5180 1.00 2670 125 0.1721 0.2032 REMARK 3 5 2.5180 - 2.3376 1.00 2651 123 0.1721 0.2219 REMARK 3 6 2.3376 - 2.1997 1.00 2632 139 0.1741 0.2203 REMARK 3 7 2.1997 - 2.0896 1.00 2652 147 0.1847 0.2606 REMARK 3 8 2.0896 - 1.9986 1.00 2603 174 0.1953 0.2447 REMARK 3 9 1.9986 - 1.9217 1.00 2587 166 0.2108 0.2636 REMARK 3 10 1.9217 - 1.8554 1.00 2620 128 0.2175 0.2682 REMARK 3 11 1.8554 - 1.7974 1.00 2622 153 0.2322 0.2848 REMARK 3 12 1.7974 - 1.7460 1.00 2644 118 0.2483 0.3197 REMARK 3 13 1.7460 - 1.7000 1.00 2595 158 0.2567 0.3017 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.190 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.300 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 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 : 0.004 3185 REMARK 3 ANGLE : 0.706 4353 REMARK 3 CHIRALITY : 0.044 472 REMARK 3 PLANARITY : 0.005 580 REMARK 3 DIHEDRAL : 23.420 1173 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 8VKF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JAN-24. REMARK 100 THE DEPOSITION ID IS D_1000280429. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-NOV-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0-5.75 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : AUSTRALIAN SYNCHROTRON REMARK 200 BEAMLINE : MX1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.95372 REMARK 200 MONOCHROMATOR : DOUBLE-CRYSTAL SI(111) WATER REMARK 200 -COOLED REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36229 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 43.040 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.17300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.73 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 6.60 REMARK 200 R MERGE FOR SHELL (I) : 1.63800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.98 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE CRYSTALLIZATION BUFFER WAS 100 MM REMARK 280 BIS-TRIS BUFFER (ADJUSTED TO PH 5.0-5.75 WITH ACETIC ACID), 0.2 REMARK 280 M MAGNESIUM ACETATE AND 20-32% PEG 3350, PH 7.4, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 289.15K 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 25.66100 REMARK 290 SMTRY3 2 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 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 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 0 REMARK 465 ILE A 1 REMARK 465 SER A 2 REMARK 465 ASN A 3 REMARK 465 SER A 4 REMARK 465 SER A 5 REMARK 465 ALA A 6 REMARK 465 GLU A 7 REMARK 465 SER A 8 REMARK 465 ILE A 9 REMARK 465 SER A 10 REMARK 465 ALA A 11 REMARK 465 PRO A 12 REMARK 465 PRO A 13 REMARK 465 ASN A 14 REMARK 465 ASP A 15 REMARK 465 SER A 16 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 OG1 THR A 73 O HOH A 601 1.97 REMARK 500 OD2 ASP A 337 O HOH A 603 2.16 REMARK 500 O HOH A 801 O HOH A 945 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 977 O HOH A 1027 2655 1.71 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 33 89.85 -156.42 REMARK 500 GLU A 99 40.18 -108.70 REMARK 500 LEU A 116 40.21 -103.01 REMARK 500 ILE A 148 -70.30 -86.50 REMARK 500 LEU A 151 -66.96 -138.53 REMARK 500 LEU A 250 -68.80 -109.38 REMARK 500 LEU A 250 -70.14 -109.38 REMARK 500 PHE A 267 76.42 -117.95 REMARK 500 SER A 293 82.98 49.24 REMARK 500 CYS A 358 111.33 -34.88 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 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 358 SG REMARK 620 2 HEM A 501 NA 102.4 REMARK 620 3 HEM A 501 NB 89.9 89.5 REMARK 620 4 HEM A 501 NC 87.1 170.5 89.9 REMARK 620 5 HEM A 501 ND 96.9 89.6 173.2 89.9 REMARK 620 6 HOH A 640 O 167.2 87.9 82.5 82.6 90.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 504 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 619 O REMARK 620 2 HOH A 625 O 91.0 REMARK 620 3 HOH A 785 O 88.2 172.1 REMARK 620 4 HOH A 915 O 97.0 85.1 87.2 REMARK 620 5 HOH A 940 O 171.6 84.8 96.9 89.8 REMARK 620 6 HOH A1038 O 79.7 89.9 97.7 174.0 93.0 REMARK 620 N 1 2 3 4 5 DBREF 8VKF A 0 409 UNP Q2IU02 Q2IU02_RHOP2 1 410 SEQRES 1 A 410 MET ILE SER ASN SER SER ALA GLU SER ILE SER ALA PRO SEQRES 2 A 410 PRO ASN ASP SER THR ILE PRO HIS LEU ALA ILE ASP PRO SEQRES 3 A 410 PHE SER LEU ASP PHE PHE ASP ASP PRO TYR PRO ASP GLN SEQRES 4 A 410 GLN THR LEU ARG ASP ALA GLY PRO VAL VAL TYR LEU ASP SEQRES 5 A 410 LYS TRP ASN VAL TYR GLY VAL ALA ARG TYR ALA GLU VAL SEQRES 6 A 410 HIS ALA VAL LEU ASN ASP PRO THR THR PHE CYS SER SER SEQRES 7 A 410 ARG GLY VAL GLY LEU SER ASP PHE LYS LYS GLU LYS PRO SEQRES 8 A 410 TRP ARG PRO PRO SER LEU ILE LEU GLU ALA ASP PRO PRO SEQRES 9 A 410 ALA HIS THR ARG PRO ARG ALA VAL LEU SER LYS VAL LEU SEQRES 10 A 410 SER PRO ALA THR MET LYS THR ILE ARG ASP GLY PHE ALA SEQRES 11 A 410 ALA ALA ALA ASP ALA LYS VAL ASP GLU LEU LEU GLN ARG SEQRES 12 A 410 GLY CYS ILE ASP ALA ILE ALA ASP LEU ALA GLU ALA TYR SEQRES 13 A 410 PRO LEU SER VAL PHE PRO ASP ALA MET GLY LEU LYS GLN SEQRES 14 A 410 GLU GLY ARG GLU HIS LEU LEU PRO TYR ALA GLY LEU VAL SEQRES 15 A 410 PHE ASN ALA PHE GLY PRO PRO ASN GLU LEU ARG GLN THR SEQRES 16 A 410 ALA ILE GLU ARG SER ALA PRO HIS GLN ALA TYR VAL ASN SEQRES 17 A 410 GLU GLN CYS GLN ARG PRO ASN LEU ALA PRO GLY GLY PHE SEQRES 18 A 410 GLY ALA CYS ILE HIS ALA PHE THR ASP THR GLY GLU ILE SEQRES 19 A 410 THR PRO ASP GLU ALA PRO LEU LEU VAL ARG SER LEU LEU SEQRES 20 A 410 SER ALA GLY LEU ASP THR THR VAL ASN GLY ILE GLY ALA SEQRES 21 A 410 ALA VAL TYR CYS LEU ALA ARG PHE PRO GLY GLU LEU GLN SEQRES 22 A 410 ARG LEU ARG SER ASP PRO THR LEU ALA ARG ASN ALA PHE SEQRES 23 A 410 GLU GLU ALA VAL ARG PHE GLU SER PRO VAL GLN THR PHE SEQRES 24 A 410 PHE ARG THR THR THR ARG GLU VAL GLU LEU GLY GLY ALA SEQRES 25 A 410 VAL ILE GLY GLU GLY GLU LYS VAL LEU MET PHE LEU GLY SEQRES 26 A 410 SER ALA ASN ARG ASP PRO ARG ARG TRP SER ASP PRO ASP SEQRES 27 A 410 LEU TYR ASP ILE THR ARG LYS THR SER GLY HIS VAL GLY SEQRES 28 A 410 PHE GLY SER GLY VAL HIS MET CYS VAL GLY GLN LEU VAL SEQRES 29 A 410 ALA ARG LEU GLU GLY GLU VAL MET LEU SER ALA LEU ALA SEQRES 30 A 410 ARG LYS VAL ALA ALA ILE ASP ILE ASP GLY PRO VAL LYS SEQRES 31 A 410 ARG ARG PHE ASN ASN THR LEU ARG GLY LEU GLU SER LEU SEQRES 32 A 410 PRO VAL LYS LEU THR PRO ALA HET HEM A 501 43 HET LVK A 502 13 HET CL A 503 1 HET MG A 504 1 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM LVK 4-PROPANOYLBENZOIC ACID HETNAM CL CHLORIDE ION HETNAM MG MAGNESIUM ION HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 LVK C10 H10 O3 FORMUL 4 CL CL 1- FORMUL 5 MG MG 2+ FORMUL 6 HOH *454(H2 O) HELIX 1 AA1 SER A 27 ASP A 33 1 7 HELIX 2 AA2 PRO A 34 GLY A 45 1 12 HELIX 3 AA3 ARG A 60 ASN A 69 1 10 HELIX 4 AA4 HIS A 105 LEU A 116 1 12 HELIX 5 AA5 SER A 117 GLY A 143 1 27 HELIX 6 AA6 GLU A 153 GLY A 165 1 13 HELIX 7 AA7 GLY A 170 GLU A 172 5 3 HELIX 8 AA8 HIS A 173 PHE A 185 1 13 HELIX 9 AA9 ASN A 189 GLU A 197 1 9 HELIX 10 AB1 SER A 199 CYS A 210 1 12 HELIX 11 AB2 GLN A 211 LEU A 215 5 5 HELIX 12 AB3 GLY A 219 PHE A 227 1 9 HELIX 13 AB4 THR A 228 GLY A 231 5 4 HELIX 14 AB5 GLU A 237 GLY A 249 1 13 HELIX 15 AB6 LEU A 250 PHE A 267 1 18 HELIX 16 AB7 PHE A 267 ASP A 277 1 11 HELIX 17 AB8 LEU A 280 SER A 293 1 14 HELIX 18 AB9 LEU A 323 ASN A 327 1 5 HELIX 19 AC1 GLY A 360 LYS A 378 1 19 SHEET 1 AA1 6 HIS A 20 LEU A 21 0 SHEET 2 AA1 6 VAL A 48 LEU A 50 1 O TYR A 49 N LEU A 21 SHEET 3 AA1 6 TYR A 56 VAL A 58 -1 O GLY A 57 N VAL A 48 SHEET 4 AA1 6 LYS A 318 PHE A 322 1 O LEU A 320 N TYR A 56 SHEET 5 AA1 6 THR A 297 THR A 302 -1 N ARG A 300 O VAL A 319 SHEET 6 AA1 6 PHE A 74 CYS A 75 -1 N CYS A 75 O THR A 301 SHEET 1 AA2 3 CYS A 144 ASP A 146 0 SHEET 2 AA2 3 PRO A 403 PRO A 408 -1 O VAL A 404 N ILE A 145 SHEET 3 AA2 3 VAL A 379 ILE A 384 -1 N ALA A 380 O THR A 407 SHEET 1 AA3 2 VAL A 306 LEU A 308 0 SHEET 2 AA3 2 ALA A 311 ILE A 313 -1 O ILE A 313 N VAL A 306 SHEET 1 AA4 2 LYS A 389 ARG A 391 0 SHEET 2 AA4 2 GLY A 398 SER A 401 -1 O GLU A 400 N LYS A 389 LINK SG CYS A 358 FE HEM A 501 1555 1555 2.35 LINK FE HEM A 501 O HOH A 640 1555 1555 2.31 LINK MG MG A 504 O HOH A 619 1555 1565 2.16 LINK MG MG A 504 O HOH A 625 1555 1555 2.27 LINK MG MG A 504 O HOH A 785 1555 2655 2.12 LINK MG MG A 504 O HOH A 915 1555 1555 2.11 LINK MG MG A 504 O HOH A 940 1555 1555 2.11 LINK MG MG A 504 O HOH A1038 1555 2655 2.18 CISPEP 1 PRO A 102 PRO A 103 0 6.32 CRYST1 40.954 51.322 79.119 90.00 92.57 90.00 P 1 21 1 2 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 0.024418 0.000000 0.001095 0.00000 SCALE2 0.000000 0.019485 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012652 0.00000