HEADER OXIDOREDUCTASE 17-DEC-21 7QKE TITLE CRYSTAL STRUCTURE OF CYP125 FROM MYCOBACTERIUM TUBERCULOSIS IN COMPLEX TITLE 2 WITH INHIBITOR (SURFACE ENTROPY REDUCTION MUTANT) COMPND MOL_ID: 1; COMPND 2 MOLECULE: STEROID C26-MONOOXYGENASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CHOLEST-4-EN-3-ONE 26-MONOOXYGENASE,CHOLEST-4-EN-3-ONE C26- COMPND 5 MONOOXYGENASE [(25S)-3-OXOCHOLEST-4-EN-26-OATE FORMING],CHOLESTEROL COMPND 6 C26-MONOOXYGENASE,CHOLESTEROL C26-MONOOXYGENASE [(25S)-3BETA- COMPND 7 HYDROXYCHOLEST-5-EN-26-OATE FORMING],CYTOCHROME P450 125,STEROID C27- COMPND 8 MONOOXYGENASE; COMPND 9 EC: 1.14.15.29; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS H37RV; SOURCE 3 ORGANISM_TAXID: 83332; SOURCE 4 STRAIN: ATCC 25618 / H37RV; SOURCE 5 GENE: CYP125, CYP125A1, RV3545C, MTCY03C7.11; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: C41; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21A KEYWDS P450, CYP, TUBERCULOSIS, CHOLESTEROL, INHIBITOR, COMPLEX, SURFACE, KEYWDS 2 ENTROPY, REDUCTION, CYTOCHROME, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.SNEE,R.TUNNICLIFFE,D.LEYS,C.LEVY,M.KATARIYA REVDAT 4 07-FEB-24 7QKE 1 REMARK REVDAT 3 31-MAY-23 7QKE 1 JRNL REVDAT 2 05-APR-23 7QKE 1 JRNL REVDAT 1 28-DEC-22 7QKE 0 JRNL AUTH M.M.KATARIYA,M.SNEE,R.B.TUNNICLIFFE,M.E.KAVANAGH, JRNL AUTH 2 H.I.M.BOSHOFF,C.N.AMADI,C.W.LEVY,A.W.MUNRO,C.ABELL,D.LEYS, JRNL AUTH 3 A.G.COYNE,K.J.MCLEAN JRNL TITL STRUCTURE BASED DISCOVERY OF INHIBITORS OF CYP125 AND CYP142 JRNL TITL 2 FROM MYCOBACTERIUM TUBERCULOSIS. JRNL REF CHEMISTRY V. 29 03868 2023 JRNL REFN ISSN 0947-6539 JRNL PMID 36912255 JRNL DOI 10.1002/CHEM.202203868 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 21351 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.193 REMARK 3 R VALUE (WORKING SET) : 0.191 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.190 REMARK 3 FREE R VALUE TEST SET COUNT : 1109 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 37.7000 - 4.6000 1.00 2660 151 0.1572 0.1928 REMARK 3 2 4.6000 - 3.6500 1.00 2554 153 0.1566 0.2066 REMARK 3 3 3.6500 - 3.1900 1.00 2532 132 0.2024 0.2338 REMARK 3 4 3.1900 - 2.9000 1.00 2520 135 0.2211 0.2516 REMARK 3 5 2.9000 - 2.6900 1.00 2498 136 0.2340 0.2535 REMARK 3 6 2.6900 - 2.5300 1.00 2507 123 0.2405 0.2519 REMARK 3 7 2.5300 - 2.4000 0.99 2491 150 0.2694 0.3624 REMARK 3 8 2.4000 - 2.3000 1.00 2480 129 0.3233 0.3169 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) : 0.313 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.458 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 47.66 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 57.45 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 : 0.003 3401 REMARK 3 ANGLE : 0.570 4636 REMARK 3 CHIRALITY : 0.038 473 REMARK 3 PLANARITY : 0.004 617 REMARK 3 DIHEDRAL : 11.470 467 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 6.6467 20.1591 17.9485 REMARK 3 T TENSOR REMARK 3 T11: 0.3302 T22: 0.4615 REMARK 3 T33: 0.3469 T12: 0.0412 REMARK 3 T13: 0.0006 T23: -0.0299 REMARK 3 L TENSOR REMARK 3 L11: 0.6959 L22: 1.2809 REMARK 3 L33: 1.8743 L12: -0.0023 REMARK 3 L13: 0.2402 L23: -0.1977 REMARK 3 S TENSOR REMARK 3 S11: 0.0774 S12: 0.0085 S13: -0.0718 REMARK 3 S21: -0.0072 S22: -0.0201 S23: 0.0067 REMARK 3 S31: 0.1972 S32: 0.1313 S33: -0.0498 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 7QKE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 23-DEC-21. REMARK 100 THE DEPOSITION ID IS D_1292119903. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-DEC-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I03 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9762 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21451 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 49.220 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 13.00 REMARK 200 R MERGE (I) : 0.15900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 12.30 REMARK 200 R MERGE FOR SHELL (I) : 1.20200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.400 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: 3IW0 REMARK 200 REMARK 200 REMARK: PLATE LIKE, VERY THIN REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.38 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22% PEG8000, 0.1M SODIUM CACODYLATE PH REMARK 280 5.0, 0.2M SODIUM ACETATE TRIHYDRATE, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 277.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 72.87650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 72.87650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 27.00500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 59.76150 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 27.00500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 59.76150 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 72.87650 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 27.00500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 59.76150 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 72.87650 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 27.00500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 59.76150 REMARK 290 SMTRY3 8 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 TOTAL BURIED SURFACE AREA: 1250 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16260 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 KCAL/MOL 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 ASN A 16 REMARK 465 GLY A 17 REMARK 465 PRO A 18 REMARK 465 ARG A 428 REMARK 465 CYS A 429 REMARK 465 PRO A 430 REMARK 465 VAL A 431 REMARK 465 ALA A 432 REMARK 465 HIS A 433 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 O1A HEM A 502 O HOH A 601 2.05 REMARK 500 OG1 THR A 201 OE1 GLU A 271 2.16 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 ALA A 50 76.30 -165.77 REMARK 500 HIS A 85 55.39 -91.48 REMARK 500 ASN A 270 -82.25 -104.03 REMARK 500 THR A 311 64.89 38.41 REMARK 500 ASP A 353 63.92 66.42 REMARK 500 PRO A 365 44.77 -88.26 REMARK 500 MET A 398 61.90 -158.40 REMARK 500 TRP A 421 106.55 -160.35 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 714 DISTANCE = 6.62 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 HEM A 502 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 377 SG REMARK 620 2 HEM A 502 NA 99.9 REMARK 620 3 HEM A 502 NB 89.2 90.0 REMARK 620 4 HEM A 502 NC 84.8 175.3 90.0 REMARK 620 5 HEM A 502 ND 94.1 90.4 176.6 89.3 REMARK 620 N 1 2 3 4 DBREF 7QKE A 18 433 UNP P9WPP1 CP125_MYCTU 18 433 SEQADV 7QKE ASN A 16 UNP P9WPP1 EXPRESSION TAG SEQADV 7QKE GLY A 17 UNP P9WPP1 EXPRESSION TAG SEQADV 7QKE ALA A 153 UNP P9WPP1 LYS 153 ENGINEERED MUTATION SEQADV 7QKE ALA A 332 UNP P9WPP1 LYS 332 ENGINEERED MUTATION SEQADV 7QKE ALA A 333 UNP P9WPP1 LYS 333 ENGINEERED MUTATION SEQRES 1 A 418 ASN GLY PRO SER PRO ASN LEU PRO PRO GLY PHE ASP PHE SEQRES 2 A 418 THR ASP PRO ALA ILE TYR ALA GLU ARG LEU PRO VAL ALA SEQRES 3 A 418 GLU PHE ALA GLU LEU ARG SER ALA ALA PRO ILE TRP TRP SEQRES 4 A 418 ASN GLY GLN ASP PRO GLY LYS GLY GLY GLY PHE HIS ASP SEQRES 5 A 418 GLY GLY PHE TRP ALA ILE THR LYS LEU ASN ASP VAL LYS SEQRES 6 A 418 GLU ILE SER ARG HIS SER ASP VAL PHE SER SER TYR GLU SEQRES 7 A 418 ASN GLY VAL ILE PRO ARG PHE LYS ASN ASP ILE ALA ARG SEQRES 8 A 418 GLU ASP ILE GLU VAL GLN ARG PHE VAL MET LEU ASN MET SEQRES 9 A 418 ASP ALA PRO HIS HIS THR ARG LEU ARG LYS ILE ILE SER SEQRES 10 A 418 ARG GLY PHE THR PRO ARG ALA VAL GLY ARG LEU HIS ASP SEQRES 11 A 418 GLU LEU GLN GLU ARG ALA GLN ALA ILE ALA ALA GLU ALA SEQRES 12 A 418 ALA ALA ALA GLY SER GLY ASP PHE VAL GLU GLN VAL SER SEQRES 13 A 418 CYS GLU LEU PRO LEU GLN ALA ILE ALA GLY LEU LEU GLY SEQRES 14 A 418 VAL PRO GLN GLU ASP ARG GLY LYS LEU PHE HIS TRP SER SEQRES 15 A 418 ASN GLU MET THR GLY ASN GLU ASP PRO GLU TYR ALA HIS SEQRES 16 A 418 ILE ASP PRO LYS ALA SER SER ALA GLU LEU ILE GLY TYR SEQRES 17 A 418 ALA MET LYS MET ALA GLU GLU LYS ALA LYS ASN PRO ALA SEQRES 18 A 418 ASP ASP ILE VAL THR GLN LEU ILE GLN ALA ASP ILE ASP SEQRES 19 A 418 GLY GLU LYS LEU SER ASP ASP GLU PHE GLY PHE PHE VAL SEQRES 20 A 418 VAL MET LEU ALA VAL ALA GLY ASN GLU THR THR ARG ASN SEQRES 21 A 418 SER ILE THR GLN GLY MET MET ALA PHE ALA GLU HIS PRO SEQRES 22 A 418 ASP GLN TRP GLU LEU TYR LYS LYS VAL ARG PRO GLU THR SEQRES 23 A 418 ALA ALA ASP GLU ILE VAL ARG TRP ALA THR PRO VAL THR SEQRES 24 A 418 ALA PHE GLN ARG THR ALA LEU ARG ASP TYR GLU LEU SER SEQRES 25 A 418 GLY VAL GLN ILE ALA ALA GLY GLN ARG VAL VAL MET PHE SEQRES 26 A 418 TYR ARG SER ALA ASN PHE ASP GLU GLU VAL PHE GLN ASP SEQRES 27 A 418 PRO PHE THR PHE ASN ILE LEU ARG ASN PRO ASN PRO HIS SEQRES 28 A 418 VAL GLY PHE GLY GLY THR GLY ALA HIS TYR CYS ILE GLY SEQRES 29 A 418 ALA ASN LEU ALA ARG MET THR ILE ASN LEU ILE PHE ASN SEQRES 30 A 418 ALA VAL ALA ASP HIS MET PRO ASP LEU LYS PRO ILE SER SEQRES 31 A 418 ALA PRO GLU ARG LEU ARG SER GLY TRP LEU ASN GLY ILE SEQRES 32 A 418 LYS HIS TRP GLN VAL ASP TYR THR GLY ARG CYS PRO VAL SEQRES 33 A 418 ALA HIS HET E1V A 501 53 HET HEM A 502 73 HETNAM E1V ETHYL 1-(CYCLOHEXYLMETHYL)-5-PYRIDIN-4-YL-INDOLE-2- HETNAM 2 E1V CARBOXYLATE HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 E1V C23 H26 N2 O2 FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 HOH *114(H2 O) HELIX 1 AA1 ASP A 30 ARG A 37 1 8 HELIX 2 AA2 PRO A 39 ALA A 50 1 12 HELIX 3 AA3 LYS A 75 HIS A 85 1 11 HELIX 4 AA4 ALA A 105 VAL A 111 1 7 HELIX 5 AA5 GLN A 112 MET A 119 5 8 HELIX 6 AA6 PRO A 122 SER A 132 1 11 HELIX 7 AA7 ARG A 133 PHE A 135 5 3 HELIX 8 AA8 THR A 136 ARG A 142 1 7 HELIX 9 AA9 LEU A 143 GLY A 162 1 20 HELIX 10 AB1 PHE A 166 VAL A 170 1 5 HELIX 11 AB2 CYS A 172 GLY A 184 1 13 HELIX 12 AB3 PRO A 186 GLU A 199 1 14 HELIX 13 AB4 ASP A 205 ALA A 209 5 5 HELIX 14 AB5 ASP A 212 ASN A 234 1 23 HELIX 15 AB6 ASP A 238 ILE A 244 1 7 HELIX 16 AB7 SER A 254 GLY A 269 1 16 HELIX 17 AB8 ASN A 270 HIS A 287 1 18 HELIX 18 AB9 HIS A 287 ARG A 298 1 12 HELIX 19 AC1 THR A 301 THR A 311 1 11 HELIX 20 AC2 TYR A 341 ASN A 345 1 5 HELIX 21 AC3 GLY A 379 MET A 398 1 20 SHEET 1 AA1 5 ILE A 52 GLY A 56 0 SHEET 2 AA1 5 GLY A 69 ILE A 73 -1 O PHE A 70 N ASN A 55 SHEET 3 AA1 5 ARG A 336 PHE A 340 1 O VAL A 338 N TRP A 71 SHEET 4 AA1 5 ALA A 315 ALA A 320 -1 N PHE A 316 O MET A 339 SHEET 5 AA1 5 PHE A 89 SER A 90 -1 N SER A 90 O THR A 319 SHEET 1 AA2 3 SER A 163 ASP A 165 0 SHEET 2 AA2 3 GLN A 422 ASP A 424 -1 O VAL A 423 N GLY A 164 SHEET 3 AA2 3 LYS A 402 PRO A 403 -1 N LYS A 402 O ASP A 424 SHEET 1 AA3 2 TYR A 324 LEU A 326 0 SHEET 2 AA3 2 VAL A 329 ILE A 331 -1 O ILE A 331 N TYR A 324 SHEET 1 AA4 2 GLU A 408 ARG A 409 0 SHEET 2 AA4 2 ILE A 418 HIS A 420 -1 O LYS A 419 N GLU A 408 LINK SG CYS A 377 FE HEM A 502 1555 1555 2.27 CISPEP 1 ALA A 121 PRO A 122 0 5.22 CISPEP 2 ASN A 362 PRO A 363 0 -5.61 CRYST1 54.010 119.523 145.753 90.00 90.00 90.00 C 2 2 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 0.018515 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008367 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006861 0.00000