HEADER OXIDOREDUCTASE 25-SEP-19 6KZS TITLE CRYSTAL STRUCTURE OF CYTOCHROME P450MEL 107F1 IN COMPLEX WITH HEME AND TITLE 2 IMIDAZOLE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P-450; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYTOCHROME P450; COMPND 5 EC: 1.14.-.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES GRISEUS; SOURCE 3 ORGANISM_TAXID: 1911; SOURCE 4 GENE: P-450MEL, P450-MEL, NCTC13033_01802; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BIARYL COUPLING, HEME, P450, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR X.D.HOU,Y.J.RAO,P.ICYISHAKA,C.X.LI,J.L.LOU REVDAT 2 22-NOV-23 6KZS 1 REMARK REVDAT 1 23-SEP-20 6KZS 0 JRNL AUTH X.D.HOU,Y.J.RAO,P.ICYISHAKA,C.X.LI,J.L.LOU,C.M.LIU JRNL TITL CRYSTALLIZATION AND X-RAY ANALYSIS OF CYTOCHROME P450MEL JRNL TITL 2 107F1 WITH BIARYL COUPLING REACTIVITY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13_2998 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.82 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 53190 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.186 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 2663 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 4.2709 - 3.3904 1.00 2733 144 0.1700 0.1836 REMARK 3 2 3.3904 - 2.9619 1.00 2709 144 0.1988 0.1937 REMARK 3 3 2.9619 - 2.6912 1.00 2692 152 0.2007 0.2109 REMARK 3 4 2.6912 - 2.4983 1.00 2677 135 0.1999 0.2127 REMARK 3 5 2.4983 - 2.3510 1.00 2670 147 0.1966 0.2432 REMARK 3 6 2.3510 - 2.2333 1.00 2658 135 0.1907 0.2087 REMARK 3 7 2.2333 - 2.1361 1.00 2693 133 0.1833 0.2323 REMARK 3 8 2.1361 - 2.0538 1.00 2653 120 0.1816 0.2146 REMARK 3 9 2.0538 - 1.9829 1.00 2662 135 0.1839 0.1954 REMARK 3 10 1.9829 - 1.9209 1.00 2645 158 0.1810 0.2226 REMARK 3 11 1.9209 - 1.8660 1.00 2602 145 0.1824 0.2069 REMARK 3 12 1.8660 - 1.8169 1.00 2651 136 0.1860 0.2218 REMARK 3 13 1.8169 - 1.7726 1.00 2640 142 0.1803 0.2051 REMARK 3 14 1.7726 - 1.7323 1.00 2626 144 0.1804 0.2434 REMARK 3 15 1.7323 - 1.6954 1.00 2613 151 0.1804 0.2095 REMARK 3 16 1.6954 - 1.6615 1.00 2649 136 0.1843 0.2114 REMARK 3 17 1.6615 - 1.6301 1.00 2610 146 0.1868 0.2301 REMARK 3 18 1.6301 - 1.6010 0.92 2455 121 0.1857 0.2216 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) : 0.130 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.630 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.04 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 6KZS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-OCT-19. REMARK 100 THE DEPOSITION ID IS D_1300013827. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-OCT-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NFPSS REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 53190 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 12.90 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 13.20 REMARK 200 R MERGE FOR SHELL (I) : 0.44100 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: CCP4 REMARK 200 STARTING MODEL: 2D09 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.86 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M MAGNESIUM CHLORIDE HEXAHYDRATE, REMARK 280 20% W/V POLYETHYLENE GLYCOL 3350, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 24.34950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 50.24700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.69750 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 50.24700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.34950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.69750 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 TOTAL BURIED SURFACE AREA: 1210 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 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 MET A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 GLU A 1 REMARK 465 ASN A 2 REMARK 465 THR A 3 REMARK 465 SER A 4 REMARK 465 VAL A 5 REMARK 465 GLN A 6 REMARK 465 ASN A 7 REMARK 465 LYS A 8 REMARK 465 GLU A 9 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ALA A 357 CB 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 OD1 ASN A 178 O HOH A 601 2.14 REMARK 500 OD1 ASN A 13 NH1 ARG A 41 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 ALA A 19 26.27 -146.28 REMARK 500 GLU A 21 -131.00 48.50 REMARK 500 VAL A 146 -60.15 -134.19 REMARK 500 ASP A 245 -72.37 -106.30 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 354 SG REMARK 620 2 HEM A 501 NA 96.7 REMARK 620 3 HEM A 501 NB 86.9 89.8 REMARK 620 4 HEM A 501 NC 84.4 179.0 90.3 REMARK 620 5 HEM A 501 ND 94.4 90.4 178.6 89.6 REMARK 620 6 IMD A 502 N1 176.5 85.0 89.9 94.0 88.7 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 HEM A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue IMD A 502 DBREF 6KZS A 1 405 UNP Q4H2B8 Q4H2B8_STRGR 2 406 SEQADV 6KZS MET A -6 UNP Q4H2B8 INITIATING METHIONINE SEQADV 6KZS HIS A -5 UNP Q4H2B8 EXPRESSION TAG SEQADV 6KZS HIS A -4 UNP Q4H2B8 EXPRESSION TAG SEQADV 6KZS HIS A -3 UNP Q4H2B8 EXPRESSION TAG SEQADV 6KZS HIS A -2 UNP Q4H2B8 EXPRESSION TAG SEQADV 6KZS HIS A -1 UNP Q4H2B8 EXPRESSION TAG SEQADV 6KZS HIS A 0 UNP Q4H2B8 EXPRESSION TAG SEQRES 1 A 412 MET HIS HIS HIS HIS HIS HIS GLU ASN THR SER VAL GLN SEQRES 2 A 412 ASN LYS GLU THR VAL ARG ASN CYS PRO PHE ASP TYR ALA SEQRES 3 A 412 HIS GLU LEU GLU PHE ASP PRO GLN LEU ARG GLN LEU LEU SEQRES 4 A 412 THR GLU GLU PRO VAL SER ARG ILE ARG MET ALA TYR GLY SEQRES 5 A 412 GLU GLY GLU ALA TRP LEU VAL THR ARG TYR GLU ASP VAL SEQRES 6 A 412 ARG THR VAL THR THR ASP ARG ARG PHE SER ARG SER ALA SEQRES 7 A 412 VAL LEU GLY ARG ASP PHE PRO ARG MET THR PRO GLU PRO SEQRES 8 A 412 ILE VAL GLN ALA GLU SER ILE ASN LEU MET ASP PRO PRO SEQRES 9 A 412 ALA SER SER ARG LEU ARG GLY LEU VAL ALA LYS SER PHE SEQRES 10 A 412 THR PRO ARG ARG VAL GLU GLN MET ARG GLY GLY THR GLN SEQRES 11 A 412 ARG VAL VAL ASP ARG LEU LEU ASP GLU MET GLU GLU GLU SEQRES 12 A 412 GLY SER PRO ALA ASP PHE VAL ALA ARG VAL SER ALA PRO SEQRES 13 A 412 LEU PRO LEU ILE THR ILE CYS GLU ALA LEU ASP ILE PRO SEQRES 14 A 412 GLU ALA ASP ARG PRO TRP LEU ARG ALA HIS ALA MET THR SEQRES 15 A 412 MET MET ASN VAL GLY ALA ALA GLY LYS GLN ASP ALA VAL SEQRES 16 A 412 ARG ALA LYS ALA GLU LEU ARG GLY TYR PHE GLN GLU LEU SEQRES 17 A 412 THR ALA ASP ARG ARG ARG SER PRO GLY GLU ASP LEU ILE SEQRES 18 A 412 SER THR LEU ALA THR ALA ARG ASP GLY ASP GLU LEU LEU SEQRES 19 A 412 ASP ASP ASP GLU LEU ALA VAL MET ALA MET VAL LEU LEU SEQRES 20 A 412 ILE THR GLY GLN ASP THR THR THR TYR GLN LEU GLY ASN SEQRES 21 A 412 ILE ALA TYR THR LEU LEU THR ARG PRO ASP LEU LEU ARG SEQRES 22 A 412 SER LEU ARG ALA GLU PRO GLN ARG LEU PRO ARG THR LEU SEQRES 23 A 412 GLU GLU LEU LEU ARG HIS ILE PRO PHE ARG LYS GLY VAL SEQRES 24 A 412 GLY ILE PRO ARG ILE ALA LEU GLU ASP VAL GLU LEU SER SEQRES 25 A 412 GLY VAL LEU ILE LYS ALA GLY ASP VAL VAL HIS VAL SER SEQRES 26 A 412 TYR LEU THR ALA ASN ARG ASP SER ALA LYS PHE ASP ARG SEQRES 27 A 412 PRO ASP GLU LEU ASP PRO ASP ARG PRO THR ILE PRO HIS SEQRES 28 A 412 MET THR PHE GLY TRP GLY ALA HIS HIS CYS LEU GLY ALA SEQRES 29 A 412 PRO LEU ALA THR MET GLU LEU GLU VAL ALA PHE SER THR SEQRES 30 A 412 LEU LEU THR ARG PHE PRO ALA LEU ARG LEU ASP VAL PRO SEQRES 31 A 412 PRO GLU ASP VAL SER TRP ASN THR THR SER ILE TRP ARG SEQRES 32 A 412 TYR PRO LEU ALA LEU PRO VAL THR TRP HET HEM A 501 43 HET IMD A 502 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM IMD IMIDAZOLE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 IMD C3 H5 N2 1+ FORMUL 4 HOH *177(H2 O) HELIX 1 AA1 ASP A 25 GLU A 35 1 11 HELIX 2 AA2 ARG A 54 ASP A 64 1 11 HELIX 3 AA3 ARG A 69 LEU A 73 5 5 HELIX 4 AA4 SER A 90 MET A 94 5 5 HELIX 5 AA5 PRO A 97 LYS A 108 1 12 HELIX 6 AA6 THR A 111 GLY A 137 1 27 HELIX 7 AA7 PHE A 142 VAL A 146 1 5 HELIX 8 AA8 ALA A 148 ASP A 160 1 13 HELIX 9 AA9 PRO A 162 ALA A 164 5 3 HELIX 10 AB1 ASP A 165 MET A 177 1 13 HELIX 11 AB2 GLY A 180 ALA A 182 5 3 HELIX 12 AB3 GLY A 183 SER A 208 1 26 HELIX 13 AB4 ASP A 212 ALA A 220 1 9 HELIX 14 AB5 ASP A 228 ASP A 245 1 18 HELIX 15 AB6 ASP A 245 THR A 260 1 16 HELIX 16 AB7 ARG A 261 GLU A 271 1 11 HELIX 17 AB8 ARG A 274 ILE A 286 1 13 HELIX 18 AB9 SER A 318 ASN A 323 1 6 HELIX 19 AC1 TRP A 349 HIS A 353 5 5 HELIX 20 AC2 GLY A 356 PHE A 375 1 20 HELIX 21 AC3 PRO A 383 VAL A 387 5 5 SHEET 1 AA1 6 ARG A 12 CYS A 14 0 SHEET 2 AA1 6 VAL A 37 MET A 42 1 O ARG A 41 N CYS A 14 SHEET 3 AA1 6 ALA A 49 VAL A 52 -1 O ALA A 49 N ILE A 40 SHEET 4 AA1 6 VAL A 314 VAL A 317 1 O HIS A 316 N TRP A 50 SHEET 5 AA1 6 ARG A 296 ALA A 298 -1 N ARG A 296 O VAL A 315 SHEET 6 AA1 6 PHE A 67 SER A 68 -1 N SER A 68 O ILE A 297 SHEET 1 AA2 3 ALA A 140 ASP A 141 0 SHEET 2 AA2 3 PRO A 402 THR A 404 -1 O VAL A 403 N ALA A 140 SHEET 3 AA2 3 ARG A 379 LEU A 380 -1 N ARG A 379 O THR A 404 SHEET 1 AA3 2 VAL A 302 LEU A 304 0 SHEET 2 AA3 2 VAL A 307 ILE A 309 -1 O ILE A 309 N VAL A 302 LINK SG CYS A 354 FE HEM A 501 1555 1555 2.41 LINK FE HEM A 501 N1 IMD A 502 1555 1555 2.17 CISPEP 1 PRO A 96 PRO A 97 0 2.41 CISPEP 2 SER A 138 PRO A 139 0 0.38 SITE 1 AC1 19 ARG A 69 ILE A 91 ASN A 92 ARG A 103 SITE 2 AC1 19 ILE A 155 THR A 242 THR A 246 THR A 247 SITE 3 AC1 19 GLN A 250 ARG A 296 TYR A 319 THR A 346 SITE 4 AC1 19 PHE A 347 HIS A 352 CYS A 354 GLY A 356 SITE 5 AC1 19 ALA A 360 IMD A 502 HOH A 609 SITE 1 AC2 4 THR A 242 ASP A 245 THR A 246 HEM A 501 CRYST1 48.699 81.395 100.494 90.00 90.00 90.00 P 21 21 21 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 0.020534 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012286 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009951 0.00000