HEADER OXIDOREDUCTASE 29-JUL-16 5L1Q TITLE X-RAY STRUCTURE OF CYTOCHROME P450 PNTM WITH DIHYDROPENTALENOLACTONE F COMPND MOL_ID: 1; COMPND 2 MOLECULE: PENTALENOLACTONE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PENTALENOLACTONE BIOSYNTHESIS PROTEIN M; COMPND 5 EC: 1.14.19.8; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES ARENAE; SOURCE 3 ORGANISM_TAXID: 29301; SOURCE 4 STRAIN: TU469; SOURCE 5 GENE: PNTM; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS PNTM, CYTOCHROME P450, DIHYDROPENTALENOLACTONE F, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR L.DUAN,G.JOGL,D.E.CANE REVDAT 3 04-OCT-23 5L1Q 1 REMARK REVDAT 2 12-OCT-16 5L1Q 1 JRNL REVDAT 1 14-SEP-16 5L1Q 0 JRNL AUTH L.DUAN,G.JOGL,D.E.CANE JRNL TITL THE CYTOCHROME P450-CATALYZED OXIDATIVE REARRANGEMENT IN THE JRNL TITL 2 FINAL STEP OF PENTALENOLACTONE BIOSYNTHESIS: SUBSTRATE JRNL TITL 3 STRUCTURE DETERMINES MECHANISM. JRNL REF J.AM.CHEM.SOC. V. 138 12678 2016 JRNL REFN ESSN 1520-5126 JRNL PMID 27588339 JRNL DOI 10.1021/JACS.6B08610 REMARK 2 REMARK 2 RESOLUTION. 2.03 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX DEV_2463 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) : 2.03 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.56 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 39783 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.162 REMARK 3 R VALUE (WORKING SET) : 0.160 REMARK 3 FREE R VALUE : 0.190 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.170 REMARK 3 FREE R VALUE TEST SET COUNT : 2058 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 45.5744 - 5.0046 1.00 2726 157 0.1726 0.1722 REMARK 3 2 5.0046 - 3.9730 1.00 2595 139 0.1254 0.1316 REMARK 3 3 3.9730 - 3.4710 1.00 2525 150 0.1315 0.1534 REMARK 3 4 3.4710 - 3.1537 1.00 2544 119 0.1399 0.1907 REMARK 3 5 3.1537 - 2.9277 1.00 2531 149 0.1581 0.1731 REMARK 3 6 2.9277 - 2.7552 1.00 2502 134 0.1587 0.2193 REMARK 3 7 2.7552 - 2.6172 1.00 2488 145 0.1640 0.1945 REMARK 3 8 2.6172 - 2.5033 1.00 2510 153 0.1641 0.2246 REMARK 3 9 2.5033 - 2.4069 1.00 2504 129 0.1602 0.1871 REMARK 3 10 2.4069 - 2.3239 1.00 2475 131 0.1683 0.2271 REMARK 3 11 2.3239 - 2.2512 1.00 2502 126 0.1782 0.2257 REMARK 3 12 2.2512 - 2.1868 1.00 2509 127 0.1845 0.2303 REMARK 3 13 2.1868 - 2.1293 1.00 2455 125 0.1962 0.2520 REMARK 3 14 2.1293 - 2.0773 1.00 2473 148 0.2057 0.2567 REMARK 3 15 2.0773 - 2.0301 0.96 2386 126 0.2365 0.2820 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) : 0.190 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.700 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.97 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.48 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 : 0.008 3256 REMARK 3 ANGLE : 0.930 4448 REMARK 3 CHIRALITY : 0.051 496 REMARK 3 PLANARITY : 0.005 586 REMARK 3 DIHEDRAL : 10.638 1255 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): 20.9148 26.9040 20.1892 REMARK 3 T TENSOR REMARK 3 T11: 0.0880 T22: 0.0991 REMARK 3 T33: 0.0964 T12: -0.0056 REMARK 3 T13: -0.0109 T23: -0.0024 REMARK 3 L TENSOR REMARK 3 L11: 0.6155 L22: 0.8107 REMARK 3 L33: 0.6958 L12: 0.0516 REMARK 3 L13: -0.0734 L23: -0.1319 REMARK 3 S TENSOR REMARK 3 S11: -0.0135 S12: -0.0147 S13: -0.0323 REMARK 3 S21: 0.0094 S22: -0.0061 S23: -0.0180 REMARK 3 S31: 0.0328 S32: -0.0183 S33: 0.0153 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 5L1Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-AUG-16. REMARK 100 THE DEPOSITION ID IS D_1000223054. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-OCT-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU FR-E SUPERBRIGHT REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU SATURN 944+ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.5.15 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39835 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.030 REMARK 200 RESOLUTION RANGE LOW (A) : 45.560 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.19600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.03 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.2 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.82000 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: 2X9P REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: BICINE, SODIUM CITRATE, GLYCEROL, PH REMARK 280 9.0, EVAPORATION, TEMPERATURE 288K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 22.26350 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 82.18250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.26350 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 82.18250 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 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 603 LIES ON A SPECIAL POSITION. 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 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 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 OE2 GLU A 27 O HOH A 601 2.16 REMARK 500 O HOH A 798 O HOH A 994 2.17 REMARK 500 O HOH A 907 O HOH A 1042 2.17 REMARK 500 O HOH A 635 O HOH A 983 2.18 REMARK 500 O HOH A 820 O HOH A 966 2.18 REMARK 500 O HOH A 824 O HOH A 914 2.19 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 PHE A 104 54.29 -113.77 REMARK 500 LEU A 140 -64.06 -133.97 REMARK 500 ASP A 214 37.36 38.83 REMARK 500 TYR A 234 -38.31 -133.15 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 A1078 DISTANCE = 5.96 ANGSTROMS REMARK 525 HOH A1079 DISTANCE = 6.41 ANGSTROMS REMARK 525 HOH A1080 DISTANCE = 6.64 ANGSTROMS REMARK 525 HOH A1081 DISTANCE = 6.65 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 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 347 SG REMARK 620 2 HEM A 501 NA 100.0 REMARK 620 3 HEM A 501 NB 90.3 90.1 REMARK 620 4 HEM A 501 NC 92.3 167.7 90.4 REMARK 620 5 HEM A 501 ND 99.9 87.9 169.8 89.4 REMARK 620 N 1 2 3 4 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 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 7DF A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5L1O RELATED DB: PDB REMARK 900 RELATED ID: 5L1P RELATED DB: PDB REMARK 900 RELATED ID: 5L1R RELATED DB: PDB REMARK 900 RELATED ID: 5L1S RELATED DB: PDB REMARK 900 RELATED ID: 5L1T RELATED DB: PDB REMARK 900 RELATED ID: 5L1U RELATED DB: PDB REMARK 900 RELATED ID: 5L1V RELATED DB: PDB REMARK 900 RELATED ID: 5L1W RELATED DB: PDB DBREF 5L1Q A 1 398 UNP E3VWI3 PNTM_STRAE 1 398 SEQADV 5L1Q GLY A -2 UNP E3VWI3 EXPRESSION TAG SEQADV 5L1Q SER A -1 UNP E3VWI3 EXPRESSION TAG SEQADV 5L1Q HIS A 0 UNP E3VWI3 EXPRESSION TAG SEQRES 1 A 401 GLY SER HIS MET THR ASP LEU PRO ARG LEU PRO PHE ASP SEQRES 2 A 401 ASN PRO ASP ILE MET GLY ILE ALA PRO GLN MET LEU ALA SEQRES 3 A 401 LEU GLN LYS GLU GLY PRO ILE ALA ARG VAL GLY THR ALA SEQRES 4 A 401 GLY GLU ASP ALA TRP LEU VAL THR ARG TYR ASP GLU VAL SEQRES 5 A 401 ARG THR LEU LEU ALA ASP ARG ARG LEU ARG LEU SER ASN SEQRES 6 A 401 PRO ASN PRO GLN PRO SER ALA LYS SER ALA ALA ARG ALA SEQRES 7 A 401 PHE MET VAL ALA LEU MET ALA GLY ASP ASP HIS GLU THR SEQRES 8 A 401 GLU PRO ALA ARG HIS ALA GLN MET ARG SER LEU LEU ILE SEQRES 9 A 401 PRO ARG PHE SER THR ARG ARG LEU ARG LEU MET LYS THR SEQRES 10 A 401 ARG ILE GLU HIS HIS VAL ASP GLU LEU LEU ASP GLN LEU SEQRES 11 A 401 ALA ALA SER ALA PRO PRO VAL ASP LEU HIS ARG VAL LEU SEQRES 12 A 401 SER PHE ARG LEU PRO THR MET VAL VAL CYS ASP LEU LEU SEQRES 13 A 401 GLY VAL PRO LEU ALA ASP ARG GLU ARG PHE GLY GLN TRP SEQRES 14 A 401 ALA ARG GLY THR PHE ASP GLN SER ASP ASN GLU HIS SER SEQRES 15 A 401 ALA ASN THR PHE GLN GLN VAL VAL ASP TYR MET LEU GLU SEQRES 16 A 401 LEU VAL ALA ARG LYS ARG VAL GLU PRO GLY ASP ASP ILE SEQRES 17 A 401 LEU SER GLU LEU ILE ALA GLU LYS ASP GLY ALA LEU SER SEQRES 18 A 401 ASP ALA ASP ILE ALA HIS LEU GLY ASN ALA VAL LEU LEU SEQRES 19 A 401 PHE GLY TYR GLU THR THR ILE VAL ARG ILE ASP LEU GLY SEQRES 20 A 401 THR LEU LEU LEU LEU ARG ASN PRO VAL GLN ARG ALA GLN SEQRES 21 A 401 LEU ALA GLU ASP PRO GLY LEU ALA PRO ALA ALA VAL GLU SEQRES 22 A 401 GLU ILE LEU ARG LEU GLY VAL GLY GLY LYS GLY SER ASN SEQRES 23 A 401 ALA LEU ILE PRO ARG TYR ALA HIS GLY ASP ILE THR VAL SEQRES 24 A 401 GLY GLU THR VAL ILE ARG THR GLY ASP ALA VAL MET LEU SEQRES 25 A 401 ALA ILE GLY ALA ALA ASN TYR ASP ASP ARG ALA PHE PRO SEQRES 26 A 401 ASP GLY GLY LEU PHE ASP LEU THR ARG VAL ARG PRO ARG SEQRES 27 A 401 SER HIS LEU ALA PHE GLY HIS GLY ALA ARG HIS CYS ILE SEQRES 28 A 401 GLY ARG THR LEU ALA ARG ILE GLU LEU THR ALA VAL PHE SEQRES 29 A 401 GLU ARG LEU PHE ARG ARG LEU PRO ASP LEU ARG LEU ALA SEQRES 30 A 401 VAL PRO GLU GLU SER LEU ARG TRP GLN GLU HIS ARG ILE SEQRES 31 A 401 THR GLY GLY PHE ASP GLU ILE PRO VAL THR PHE HET HEM A 501 43 HET 7DF A 502 20 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM 7DF DIHYDROPENTALENOLACTONE F HETSYN HEM HEME HETSYN 7DF (2R,4A'R,7A'R,9'R,9A'S)-6',6'-DIMETHYL-3'-OXOOCTAHYDRO- HETSYN 2 7DF 3'H-SPIRO[OXIRANE-2,4'-PENTALENO[1,6A-C]PYRAN]-9'- HETSYN 3 7DF CARBOXYLIC ACID FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 7DF C15 H20 O5 FORMUL 4 HOH *481(H2 O) HELIX 1 AA1 ALA A 18 GLY A 28 1 11 HELIX 2 AA2 ARG A 45 ALA A 54 1 10 HELIX 3 AA3 SER A 71 MET A 81 1 11 HELIX 4 AA4 THR A 88 ILE A 101 1 14 HELIX 5 AA5 PRO A 102 PHE A 104 5 3 HELIX 6 AA6 SER A 105 SER A 130 1 26 HELIX 7 AA7 LEU A 136 LEU A 140 1 5 HELIX 8 AA8 PHE A 142 GLY A 154 1 13 HELIX 9 AA9 PRO A 156 ALA A 158 5 3 HELIX 10 AB1 ASP A 159 GLY A 164 1 6 HELIX 11 AB2 GLN A 165 PHE A 171 1 7 HELIX 12 AB3 ASP A 175 GLU A 200 1 26 HELIX 13 AB4 ASP A 204 GLU A 212 1 9 HELIX 14 AB5 LYS A 213 ALA A 216 5 4 HELIX 15 AB6 SER A 218 GLY A 233 1 16 HELIX 16 AB7 TYR A 234 ASN A 251 1 18 HELIX 17 AB8 ASN A 251 ASP A 261 1 11 HELIX 18 AB9 LEU A 264 GLY A 276 1 13 HELIX 19 AC1 GLY A 281 LEU A 285 5 5 HELIX 20 AC2 ALA A 310 TYR A 316 1 7 HELIX 21 AC3 HIS A 342 HIS A 346 5 5 HELIX 22 AC4 GLY A 349 LEU A 368 1 20 HELIX 23 AC5 PRO A 376 LEU A 380 5 5 SHEET 1 AA1 5 ILE A 30 VAL A 33 0 SHEET 2 AA1 5 ALA A 40 VAL A 43 -1 O LEU A 42 N ALA A 31 SHEET 3 AA1 5 ALA A 306 LEU A 309 1 O MET A 308 N TRP A 41 SHEET 4 AA1 5 ILE A 286 ALA A 290 -1 N ILE A 286 O LEU A 309 SHEET 5 AA1 5 LEU A 58 ARG A 59 -1 N ARG A 59 O TYR A 289 SHEET 1 AA2 3 VAL A 134 ASP A 135 0 SHEET 2 AA2 3 PRO A 395 THR A 397 -1 O VAL A 396 N VAL A 134 SHEET 3 AA2 3 ARG A 372 LEU A 373 -1 N ARG A 372 O THR A 397 SHEET 1 AA3 2 ILE A 294 VAL A 296 0 SHEET 2 AA3 2 THR A 299 ILE A 301 -1 O ILE A 301 N ILE A 294 LINK SG CYS A 347 FE HEM A 501 1555 1555 2.49 CISPEP 1 LEU A 7 PRO A 8 0 -0.43 CISPEP 2 PRO A 132 PRO A 133 0 1.22 SITE 1 AC1 21 MET A 81 HIS A 93 ARG A 97 PHE A 232 SITE 2 AC1 21 GLY A 233 THR A 236 THR A 237 ARG A 240 SITE 3 AC1 21 ILE A 286 ARG A 288 ALA A 339 PHE A 340 SITE 4 AC1 21 GLY A 341 ARG A 345 CYS A 347 GLY A 349 SITE 5 AC1 21 ALA A 353 7DF A 502 HOH A 709 HOH A 724 SITE 6 AC1 21 HOH A 789 SITE 1 AC2 12 ARG A 74 THR A 236 ARG A 240 ASN A 283 SITE 2 AC2 12 LEU A 285 PRO A 287 ILE A 387 THR A 388 SITE 3 AC2 12 HEM A 501 HOH A 639 HOH A 709 HOH A 745 CRYST1 44.527 164.365 82.044 90.00 90.00 90.00 P 21 21 2 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 0.022458 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006084 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012189 0.00000