HEADER OXIDOREDUCTASE 28-FEB-20 6VZB TITLE CRYSTAL STRUCTURE OF CYTOCHROME P450 NASF5053 S284A-V288A MUTANT TITLE 2 VARIANT FROM STREPTOMYCES SP. NRRL F-5053 IN THE CYCLO-L-TRP-L-PRO- TITLE 3 BOUND STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 NASF5053; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES SP. NRRL F-5053; SOURCE 3 ORGANISM_TAXID: 1463854; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BIOSYNTHETIC PROTEIN, CYTOCHROME P450, CYCLODIPEPTIDE, REGIO- KEYWDS 2 SELECITIVTY, STEREO-SELECTIVITY, PYRROLOINDOLINE ALKALOIDS, RADICAL KEYWDS 3 MEDIATED REACTION, F5053, STREPTOMYCES, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR Z.LUO,X.JIA,C.SUN,X.QU,B.KOBE REVDAT 3 11-OCT-23 6VZB 1 REMARK REVDAT 2 23-DEC-20 6VZB 1 JRNL REVDAT 1 11-NOV-20 6VZB 0 JRNL AUTH C.SUN,Z.LUO,W.ZHANG,W.TIAN,H.PENG,Z.LIN,Z.DENG,B.KOBE,X.JIA, JRNL AUTH 2 X.QU JRNL TITL MOLECULAR BASIS OF REGIO- AND STEREO-SPECIFICITY IN JRNL TITL 2 BIOSYNTHESIS OF BACTERIAL HETERODIMERIC DIKETOPIPERAZINES. JRNL REF NAT COMMUN V. 11 6251 2020 JRNL REFN ESSN 2041-1723 JRNL PMID 33288748 JRNL DOI 10.1038/S41467-020-20022-5 REMARK 2 REMARK 2 RESOLUTION. 1.68 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14_3260 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 : CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.68 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.73 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 41363 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.171 REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.203 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.770 REMARK 3 FREE R VALUE TEST SET COUNT : 1974 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 46.7300 - 4.0400 0.99 3019 190 0.1789 0.1900 REMARK 3 2 4.0400 - 3.2100 0.99 2904 151 0.1494 0.1814 REMARK 3 3 3.2100 - 2.8000 0.99 2902 98 0.1669 0.1697 REMARK 3 4 2.8000 - 2.5500 0.99 2865 135 0.1578 0.1939 REMARK 3 5 2.5500 - 2.3600 0.98 2773 174 0.1516 0.1971 REMARK 3 6 2.3600 - 2.2300 0.99 2809 137 0.1543 0.1969 REMARK 3 7 2.2300 - 2.1100 0.98 2825 112 0.1550 0.2060 REMARK 3 8 2.1100 - 2.0200 0.98 2775 155 0.1650 0.2118 REMARK 3 9 2.0200 - 1.9400 0.98 2788 150 0.1711 0.2529 REMARK 3 10 1.9400 - 1.8800 0.98 2757 160 0.1768 0.2280 REMARK 3 11 1.8800 - 1.8200 0.98 2778 124 0.1886 0.2124 REMARK 3 12 1.8200 - 1.7700 0.97 2738 122 0.2017 0.2795 REMARK 3 13 1.7700 - 1.7200 0.97 2784 142 0.2237 0.2484 REMARK 3 14 1.7200 - 1.6800 0.95 2672 124 0.2567 0.3395 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) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.344 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.82 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.56 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 : 0.010 3208 REMARK 3 ANGLE : 1.207 4382 REMARK 3 CHIRALITY : 0.058 473 REMARK 3 PLANARITY : 0.008 574 REMARK 3 DIHEDRAL : 23.968 1152 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 6VZB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-FEB-20. REMARK 100 THE DEPOSITION ID IS D_1000247368. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-AUG-19 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 : AUSTRALIAN SYNCHROTRON REMARK 200 BEAMLINE : MX2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.954 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41405 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.680 REMARK 200 RESOLUTION RANGE LOW (A) : 46.730 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.4 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.11800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.68 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.71 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 1.04100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRY 6VXV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M CALCIUM CHLORIDE, 20% W/V REMARK 280 PEG3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 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,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 45.60400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 46.73000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 45.60400 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 46.73000 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: 1480 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -36.0 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 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 826 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 1 REMARK 465 SER A 2 REMARK 465 ASP A 218 REMARK 465 GLN A 219 REMARK 465 GLY A 220 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 ARG A 345 CG CD NE CZ NH1 NH2 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 H GLU A 297 O HOH A 508 1.59 REMARK 500 NH2 ARG A 302 O HOH A 501 1.98 REMARK 500 O HOH A 756 O HOH A 797 1.99 REMARK 500 O HOH A 824 O HOH A 827 1.99 REMARK 500 O HOH A 570 O HOH A 645 2.00 REMARK 500 O HOH A 743 O HOH A 821 2.16 REMARK 500 O HOH A 509 O HOH A 754 2.17 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 803 O HOH A 803 2556 2.04 REMARK 500 O HOH A 584 O HOH A 802 3445 2.11 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 LEU A 77 56.81 -93.25 REMARK 500 ASP A 85 56.65 -115.12 REMARK 500 PHE A 139 -57.77 -121.76 REMARK 500 PHE A 239 -62.62 -94.18 REMARK 500 LEU A 283 -73.01 -127.92 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 404 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 348 SG REMARK 620 2 HEM A 404 NA 97.7 REMARK 620 3 HEM A 404 NB 91.3 90.2 REMARK 620 4 HEM A 404 NC 92.9 169.4 89.8 REMARK 620 5 HEM A 404 ND 101.3 88.7 167.4 89.0 REMARK 620 6 HOH A 589 O 175.1 81.6 93.5 87.8 73.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 403 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 670 O REMARK 620 2 HOH A 692 O 106.3 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue QRP A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue QRP A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NA A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM A 404 DBREF 6VZB A 1 398 PDB 6VZB 6VZB 1 398 SEQRES 1 A 398 GLY SER THR LEU THR TYR PRO PHE HIS ASP TRP SER GLN SEQRES 2 A 398 GLU LEU SER PRO ARG TYR ALA GLN LEU ARG ALA SER ASP SEQRES 3 A 398 ALA PRO VAL CYS PRO VAL VAL SER GLU GLY THR GLY ASP SEQRES 4 A 398 PRO LEU TRP LEU VAL THR ARG TYR ALA THR ALA VAL LYS SEQRES 5 A 398 LEU LEU GLU ASP SER ARG PHE SER SER GLU ALA ALA GLN SEQRES 6 A 398 ALA SER GLY ALA PRO ARG GLN GLU PRO VAL GLU LEU ARG SEQRES 7 A 398 ALA PRO GLY THR ARG GLY ASP ALA ILE ALA MET LEU ARG SEQRES 8 A 398 GLU ALA GLY LEU ARG SER VAL LEU ALA ASP GLY LEU GLY SEQRES 9 A 398 PRO ARG ALA VAL ARG ARG HIS GLN GLY TRP ILE ASN ASP SEQRES 10 A 398 LEU ALA GLU THR LEU MET SER GLU LEU ALA SER ARG GLU SEQRES 11 A 398 GLY THR PHE ASP LEU ALA ALA ASP PHE VAL GLU PRO LEU SEQRES 12 A 398 SER SER ALA LEU VAL SER ARG THR LEU LEU GLY GLU LEU SEQRES 13 A 398 SER ALA ASP GLU ARG ASP LEU LEU ALA HIS CYS ALA ASP SEQRES 14 A 398 THR GLY LEU ARG PHE CYS GLY VAL THR HIS GLU GLU GLN SEQRES 15 A 398 VAL HIS ALA PHE THR GLN MET HIS GLU PHE PHE LEU GLU SEQRES 16 A 398 HIS ALA ARG ARG LEU ALA GLY THR PRO GLY GLU HIS LEU SEQRES 17 A 398 LEU LYS LEU ILE ALA GLU ALA PRO VAL ASP GLN GLY PRO SEQRES 18 A 398 LEU SER ASP GLU ALA LEU ALA GLU ALA GLY SER LEU LEU SEQRES 19 A 398 VAL VAL ALA GLY PHE PRO THR SER SER GLY PHE LEU CYS SEQRES 20 A 398 GLY ALA LEU LEU THR LEU LEU ARG HIS PRO ASP ALA VAL SEQRES 21 A 398 GLN GLU LEU HIS ALA HIS PRO GLU ARG VAL PRO SER ALA SEQRES 22 A 398 VAL GLU GLU LEU LEU ARG TYR THR PRO LEU ALA THR GLY SEQRES 23 A 398 SER ALA LYS ARG MET ALA THR GLU ASP LEU GLU ILE ASP SEQRES 24 A 398 GLY VAL ARG ILE LYS ALA GLY GLU VAL VAL MET VAL SER SEQRES 25 A 398 LEU GLU ALA VAL ASN HIS ASP PRO ASP ALA PHE GLU ASP SEQRES 26 A 398 PRO ASP VAL PHE ARG PRO GLY ARG GLU GLY PRO MET HIS SEQRES 27 A 398 PHE GLY PHE GLY ARG GLY ARG HIS PHE CYS PRO GLY ASN SEQRES 28 A 398 ARG LEU ALA ARG CYS VAL ILE GLU ALA THR VAL ARG ALA SEQRES 29 A 398 VAL ALA ARG ARG PRO GLY LEU ARG LEU ALA VAL ALA PRO SEQRES 30 A 398 GLU GLU ILE SER TRP HIS GLU GLY LEU PHE PHE ARG ARG SEQRES 31 A 398 PRO ARG ALA ILE PRO ALA THR TRP HET QRP A 401 38 HET QRP A 402 38 HET NA A 403 1 HET HEM A 404 73 HETNAM QRP (3S,8AS)-3-(1H-INDOL-3-YLMETHYL)HEXAHYDROPYRROLO[1,2- HETNAM 2 QRP A]PYRAZINE-1,4-DIONE HETNAM NA SODIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN QRP BREVIANAMIDE F; CYCLO-L-TRP-L-PRO HETSYN HEM HEME FORMUL 2 QRP 2(C16 H17 N3 O2) FORMUL 4 NA NA 1+ FORMUL 5 HEM C34 H32 FE N4 O4 FORMUL 6 HOH *342(H2 O) HELIX 1 AA1 SER A 16 ALA A 24 1 9 HELIX 2 AA2 ARG A 46 GLU A 55 1 10 HELIX 3 AA3 SER A 61 ALA A 66 1 6 HELIX 4 AA4 ASP A 85 ALA A 93 1 9 HELIX 5 AA5 LEU A 95 GLY A 104 1 10 HELIX 6 AA6 GLY A 104 SER A 128 1 25 HELIX 7 AA7 LEU A 135 PHE A 139 1 5 HELIX 8 AA8 PHE A 139 LEU A 152 1 14 HELIX 9 AA9 SER A 157 LEU A 172 1 16 HELIX 10 AB1 THR A 178 GLY A 202 1 25 HELIX 11 AB2 HIS A 207 GLU A 214 1 8 HELIX 12 AB3 SER A 223 ARG A 255 1 33 HELIX 13 AB4 HIS A 256 HIS A 266 1 11 HELIX 14 AB5 ARG A 269 THR A 281 1 13 HELIX 15 AB6 SER A 312 HIS A 318 1 7 HELIX 16 AB7 ARG A 343 PHE A 347 5 5 HELIX 17 AB8 CYS A 348 PRO A 349 5 2 HELIX 18 AB9 GLY A 350 ARG A 367 1 18 HELIX 19 AC1 ALA A 376 ILE A 380 5 5 SHEET 1 AA1 6 THR A 5 TYR A 6 0 SHEET 2 AA1 6 CYS A 30 SER A 34 1 O VAL A 33 N TYR A 6 SHEET 3 AA1 6 PRO A 40 VAL A 44 -1 O LEU A 41 N VAL A 32 SHEET 4 AA1 6 VAL A 308 VAL A 311 1 O MET A 310 N TRP A 42 SHEET 5 AA1 6 ALA A 288 ALA A 292 -1 N ALA A 288 O VAL A 311 SHEET 6 AA1 6 PHE A 59 SER A 60 -1 N SER A 60 O MET A 291 SHEET 1 AA2 3 PHE A 133 ASP A 134 0 SHEET 2 AA2 3 PRO A 395 THR A 397 -1 O ALA A 396 N PHE A 133 SHEET 3 AA2 3 ARG A 372 LEU A 373 -1 N ARG A 372 O THR A 397 SHEET 1 AA3 2 LEU A 296 ILE A 298 0 SHEET 2 AA3 2 VAL A 301 ILE A 303 -1 O ILE A 303 N LEU A 296 LINK SG CYS A 348 FE HEM A 404 1555 1555 2.36 LINK NA NA A 403 O HOH A 670 1555 1555 2.96 LINK NA NA A 403 O HOH A 692 1555 1555 3.13 LINK FE HEM A 404 O HOH A 589 1555 1555 2.78 CISPEP 1 TYR A 6 PRO A 7 0 4.67 SITE 1 AC1 12 GLU A 73 ALA A 284 GLY A 286 SER A 287 SITE 2 AC1 12 ALA A 288 LYS A 289 LEU A 313 PHE A 388 SITE 3 AC1 12 QRP A 402 HEM A 404 HOH A 541 HOH A 548 SITE 1 AC2 9 GLN A 65 ILE A 87 VAL A 236 LYS A 289 SITE 2 AC2 9 PHE A 388 QRP A 401 HEM A 404 HOH A 573 SITE 3 AC2 9 HOH A 589 SITE 1 AC3 2 ARG A 345 HOH A 670 SITE 1 AC4 23 ARG A 91 LEU A 152 ALA A 237 GLY A 238 SITE 2 AC4 23 SER A 242 LEU A 283 ARG A 290 LEU A 313 SITE 3 AC4 23 GLY A 340 PHE A 341 GLY A 342 HIS A 346 SITE 4 AC4 23 CYS A 348 PRO A 349 GLY A 350 ALA A 354 SITE 5 AC4 23 QRP A 401 QRP A 402 HOH A 522 HOH A 548 SITE 6 AC4 23 HOH A 582 HOH A 589 HOH A 651 CRYST1 42.236 91.208 93.460 90.00 90.00 90.00 P 2 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 0.023676 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010964 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010700 0.00000