HEADER OXIDOREDUCTASE 15-MAR-14 4CU1 TITLE STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME TITLE 2 DOMAIN IN COMPLEX WITH 6-[(2S)-3-AMINO-2-{5-[2-(6-AMINO- TITLE 3 4-METHYLPYRIDIN-2-YL)ETHYL]PYRIDIN-3-YL}PROPYL]-4- TITLE 4 METHYLPYRIDIN-2-AMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE, ENDOTHELIAL; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: HEME DOMAIN, RESIDUES 40-482; COMPND 5 SYNONYM: CONSTITUTIVE NOS, CNOS, EC-NOS, ENDOTHELIAL NOS, ENOS, NOS COMPND 6 TYPE III, NOSIII, ENDOTHELIAL NITRIC OXIDE SYNTHASE; COMPND 7 EC: 1.14.13.39; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: NITRIC OXIDE SYNTHASE, ENDOTHELIAL; COMPND 11 CHAIN: B; COMPND 12 FRAGMENT: HEME DOMAIN, RESIDUES 40-482; COMPND 13 SYNONYM: CONSTITUTIVE NOS, CNOS, EC-NOS, ENDOTHELIAL NOS, ENOS, NOS COMPND 14 TYPE III, NOSIII, ENDOTHELIAL NITRIC OXIDE SYNTHASE; COMPND 15 EC: 1.14.13.39; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PCWORI; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 12 ORGANISM_COMMON: CATTLE; SOURCE 13 ORGANISM_TAXID: 9913; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_VECTOR: PCWORI KEYWDS OXIDOREDUCTASE, INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR H.LI,T.L.POULOS REVDAT 2 04-JUN-14 4CU1 1 JRNL REVDAT 1 07-MAY-14 4CU1 0 JRNL AUTH S.KANG,W.TANG,H.LI,G.CHREIFI,P.MARTASEK,L.J.ROMAN, JRNL AUTH 2 T.L.POULOS,R.B.SILVERMAN JRNL TITL NITRIC OXIDE SYNTHASE INHIBITORS THAT INTERACT WITH BOTH A JRNL TITL 2 HEME PROPIONATE AND TETRAHYDROBIOPTERIN SHOW HIGH ISOFORM JRNL TITL 3 SELECTIVITY. JRNL REF J.MED.CHEM. V. 57 4382 2014 JRNL REFN ISSN 0022-2623 JRNL PMID 24758147 JRNL DOI 10.1021/JM5004182 REMARK 2 REMARK 2 RESOLUTION. 1.89 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0049 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU, REMARK 3 STEINER,NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.89 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 87.04 REMARK 3 DATA CUTOFF (SIGMA(F)) : NONE REMARK 3 COMPLETENESS FOR RANGE (%) : 98.57 REMARK 3 NUMBER OF REFLECTIONS : 70704 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.17143 REMARK 3 R VALUE (WORKING SET) : 0.16971 REMARK 3 FREE R VALUE : 0.20479 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.0 REMARK 3 FREE R VALUE TEST SET COUNT : 3704 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.894 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.943 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4907 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.72 REMARK 3 BIN R VALUE (WORKING SET) : 0.287 REMARK 3 BIN FREE R VALUE SET COUNT : 254 REMARK 3 BIN FREE R VALUE : 0.311 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6438 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 200 REMARK 3 SOLVENT ATOMS : 295 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 46.015 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.99 REMARK 3 B22 (A**2) : -0.82 REMARK 3 B33 (A**2) : -1.17 REMARK 3 B12 (A**2) : 0.00 REMARK 3 B13 (A**2) : 0.00 REMARK 3 B23 (A**2) : 0.00 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.132 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.124 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.106 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.018 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.972 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.957 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 6831 ; 0.011 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 9329 ; 1.552 ; 1.979 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 805 ; 5.933 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 320 ;35.663 ;23.375 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1044 ;16.869 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 54 ;17.124 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 978 ; 0.104 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5344 ; 0.008 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 3232 ; 1.897 ; 3.048 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4033 ; 2.765 ; 4.556 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3599 ; 3.205 ; 3.462 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 67 A 482 REMARK 3 ORIGIN FOR THE GROUP (A): 11.1820 10.2320 31.5680 REMARK 3 T TENSOR REMARK 3 T11: 0.0541 T22: 0.0152 REMARK 3 T33: 0.0549 T12: -0.0203 REMARK 3 T13: 0.0084 T23: -0.0053 REMARK 3 L TENSOR REMARK 3 L11: 0.7160 L22: 1.3536 REMARK 3 L33: 1.2641 L12: -0.2104 REMARK 3 L13: -0.3406 L23: -0.0521 REMARK 3 S TENSOR REMARK 3 S11: 0.0094 S12: -0.0049 S13: 0.0288 REMARK 3 S21: -0.1740 S22: 0.0329 S23: -0.1926 REMARK 3 S31: -0.0227 S32: 0.0887 S33: -0.0423 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 69 B 482 REMARK 3 ORIGIN FOR THE GROUP (A): 2.4740 5.7670 67.0500 REMARK 3 T TENSOR REMARK 3 T11: 0.0412 T22: 0.0505 REMARK 3 T33: 0.0499 T12: 0.0151 REMARK 3 T13: -0.0056 T23: 0.0050 REMARK 3 L TENSOR REMARK 3 L11: 0.6897 L22: 1.2582 REMARK 3 L33: 2.6049 L12: -0.1516 REMARK 3 L13: 0.2625 L23: -1.1529 REMARK 3 S TENSOR REMARK 3 S11: 0.0174 S12: -0.1013 S13: -0.0646 REMARK 3 S21: 0.1857 S22: 0.1054 S23: 0.0469 REMARK 3 S31: -0.0889 S32: -0.1823 S33: -0.1228 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS. REMARK 3 RESIDUES 110 TO 120 IN BOTH CHAIN A AND CHAIN B ARE REMARK 3 DISORDERED. REMARK 3 U VALUES WITH TLS ADDED REMARK 4 REMARK 4 4CU1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-MAR-14. REMARK 100 THE PDBE ID CODE IS EBI-60041. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-FEB-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD (Q315R) REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 74481 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.90 REMARK 200 RESOLUTION RANGE LOW (A) : 50.00 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.0 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 4.7 REMARK 200 R MERGE (I) : 0.08 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 28.50 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.93 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.2 REMARK 200 R MERGE FOR SHELL (I) : 1.00 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.20 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.7 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.5 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20-22% PEG3350, 0.1 M CACODYLATE, REMARK 280 150-200 MM MG ACETATE, 5 MM TCEP 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 28.66750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 77.52200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.58500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 77.52200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.66750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.58500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 10930 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31370 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -123.3 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 ARG A 40 REMARK 465 ALA A 41 REMARK 465 PRO A 42 REMARK 465 ALA A 43 REMARK 465 PRO A 44 REMARK 465 ALA A 45 REMARK 465 THR A 46 REMARK 465 PRO A 47 REMARK 465 HIS A 48 REMARK 465 ALA A 49 REMARK 465 PRO A 50 REMARK 465 ASP A 51 REMARK 465 HIS A 52 REMARK 465 SER A 53 REMARK 465 PRO A 54 REMARK 465 ALA A 55 REMARK 465 PRO A 56 REMARK 465 ASN A 57 REMARK 465 SER A 58 REMARK 465 PRO A 59 REMARK 465 THR A 60 REMARK 465 LEU A 61 REMARK 465 THR A 62 REMARK 465 ARG A 63 REMARK 465 PRO A 64 REMARK 465 PRO A 65 REMARK 465 GLU A 66 REMARK 465 LYS A 110 REMARK 465 LEU A 111 REMARK 465 GLN A 112 REMARK 465 THR A 113 REMARK 465 ARG A 114 REMARK 465 PRO A 115 REMARK 465 SER A 116 REMARK 465 PRO A 117 REMARK 465 GLY A 118 REMARK 465 PRO A 119 REMARK 465 PRO A 120 REMARK 465 ARG B 40 REMARK 465 ALA B 41 REMARK 465 PRO B 42 REMARK 465 ALA B 43 REMARK 465 PRO B 44 REMARK 465 ALA B 45 REMARK 465 THR B 46 REMARK 465 PRO B 47 REMARK 465 HIS B 48 REMARK 465 ALA B 49 REMARK 465 PRO B 50 REMARK 465 ASP B 51 REMARK 465 HIS B 52 REMARK 465 SER B 53 REMARK 465 PRO B 54 REMARK 465 ALA B 55 REMARK 465 PRO B 56 REMARK 465 ASN B 57 REMARK 465 SER B 58 REMARK 465 PRO B 59 REMARK 465 THR B 60 REMARK 465 LEU B 61 REMARK 465 THR B 62 REMARK 465 ARG B 63 REMARK 465 PRO B 64 REMARK 465 PRO B 65 REMARK 465 GLU B 66 REMARK 465 GLY B 67 REMARK 465 PRO B 68 REMARK 465 LEU B 111 REMARK 465 GLN B 112 REMARK 465 THR B 113 REMARK 465 ARG B 114 REMARK 465 PRO B 115 REMARK 465 SER B 116 REMARK 465 PRO B 117 REMARK 465 GLY B 118 REMARK 465 PRO B 119 REMARK 465 PRO B 120 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 CYS A 214 CA - CB - SG ANGL. DEV. = -7.7 DEGREES REMARK 500 CYS B 214 CA - CB - SG ANGL. DEV. = -8.1 DEGREES 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 122 -103.31 62.98 REMARK 500 PRO A 238 122.58 -36.23 REMARK 500 ASN A 285 39.57 -147.64 REMARK 500 ALA A 353 68.08 -155.83 REMARK 500 ARG A 374 -134.61 -115.10 REMARK 500 ARG A 440 -3.43 -141.29 REMARK 500 ARG B 142 31.40 -97.41 REMARK 500 SER B 143 95.74 -66.05 REMARK 500 ARG B 223 19.82 56.98 REMARK 500 GLN B 259 6.01 -62.25 REMARK 500 ASP B 260 41.23 -101.80 REMARK 500 ASN B 285 31.58 -149.37 REMARK 500 ALA B 353 72.22 -154.25 REMARK 500 ARG B 374 -133.71 -111.27 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 B2047 DISTANCE = 5.28 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 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HEM A 500 NB REMARK 620 2 HEM A 500 NC 90.2 REMARK 620 3 HEM A 500 ND 177.3 89.4 REMARK 620 4 CYS A 186 SG 88.2 89.4 94.5 REMARK 620 5 HEM A 500 NA 89.4 177.1 90.8 93.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HEM B 500 NA REMARK 620 2 HEM B 500 NB 90.1 REMARK 620 3 HEM B 500 ND 89.9 177.4 REMARK 620 4 CYS B 186 SG 93.0 90.0 92.6 REMARK 620 5 HEM B 500 NC 177.4 89.3 90.6 89.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 900 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 101 SG REMARK 620 2 CYS B 96 SG 109.4 REMARK 620 3 CYS A 101 SG 108.8 105.9 REMARK 620 4 CYS A 96 SG 105.0 120.6 106.8 REMARK 620 N 1 2 3 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 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 71S A 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 880 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B B 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 71S B 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 860 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 880 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 900 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4CTP RELATED DB: PDB REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME REMARK 900 DOMAIN IN COMPLEX WITH (S)-6-(2-AMINO-2-(3-(2-(6 REMARK 900 -AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PHENYL)ETHYL)-4- REMARK 900 METHYLPYRIDIN-2-AMINE REMARK 900 RELATED ID: 4CTQ RELATED DB: PDB REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME REMARK 900 DOMAIN IN COMPLEX WITH (R)-6-(2-AMINO-2-(3-(2-(6 REMARK 900 -AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PHENYL)ETHYL)-4- REMARK 900 METHYLPYRIDIN-2-AMINE REMARK 900 RELATED ID: 4CTR RELATED DB: PDB REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME REMARK 900 DOMAIN IN COMPLEX WITH 2-(6-AMINO-4-METHYLPYRIDIN-2 REMARK 900 -YL)-1-(3-(2-(6-AMINO-4-METHYLPYRIDIN-2-YL)ETHYL REMARK 900 )PHENYL)ETHAN-1-OL REMARK 900 RELATED ID: 4CTT RELATED DB: PDB REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME REMARK 900 DOMAIN IN COMPLEX WITH (S)-2-(6-(2,5-DIMETHYL-1H- REMARK 900 PYRROL-1-YL)-4-METHYLPYRIDIN-2-YL)-1-(3-(2-(4- REMARK 900 METHYLPYRIDIN-2-YL)ETHYL)PHENYL)ETHAN-1-AMINE REMARK 900 RELATED ID: 4CTU RELATED DB: PDB REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME REMARK 900 DOMAIN IN COMPLEX WITH 6-(3-AMINO-2-(3-(2-(6- REMARK 900 AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PHENYL)PROPYL)-4- REMARK 900 METHYLPYRIDIN-2-AMINE REMARK 900 RELATED ID: 4CTV RELATED DB: PDB REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME REMARK 900 DOMAIN IN COMPLEX WITH 6-(3-AMINO-2-(6-(2-(6- REMARK 900 AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-2-YL)PROPYL REMARK 900 )-4-METHYLPYRIDIN-2-AMINE REMARK 900 RELATED ID: 4CTW RELATED DB: PDB REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME REMARK 900 DOMAIN IN COMPLEX WITH (R)-6-(3-AMINO-2-(5-(2-(6 REMARK 900 -AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-3-YL) REMARK 900 PROPYL)-4-METHYLPYRIDIN-2-AMINE REMARK 900 RELATED ID: 4CTX RELATED DB: PDB REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME REMARK 900 DOMAIN IN COMPLEX WITH (S)-6-(3-AMINO-2-(5-(2-(6 REMARK 900 -AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-3-YL) REMARK 900 PROPYL)-4-METHYLPYRIDIN-2-AMINE REMARK 900 RELATED ID: 4CTY RELATED DB: PDB REMARK 900 STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE REMARK 900 HEME DOMAIN IN COMPLEX WITH (R)-6-(2-AMINO-2-(3-( REMARK 900 2-(6-AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PHENYL)ETHYL REMARK 900 )-4-METHYLPYRIDIN-2-AMINE REMARK 900 RELATED ID: 4CTZ RELATED DB: PDB REMARK 900 STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE REMARK 900 HEME DOMAIN IN COMPLEX WITH (S)-2-(6-(2,5-DIMETHYL REMARK 900 -1H-PYRROL-1-YL)-4-METHYLPYRIDIN-2-YL)-1-(3-(2-( REMARK 900 4-METHYLPYRIDIN-2-YL)ETHYL)PHENYL)ETHAN-1-AMINE REMARK 900 RELATED ID: 4CU0 RELATED DB: PDB REMARK 900 STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE REMARK 900 HEME DOMAIN IN COMPLEX WITH (R)-6-(3-AMINO-2-(5-( REMARK 900 2-(6-AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-3-YL REMARK 900 )PROPYL)-4-METHYLPYRIDIN-2-AMINE DBREF 4CU1 A 40 482 UNP P29473 NOS3_BOVIN 40 482 DBREF 4CU1 B 40 482 UNP P29473 NOS3_BOVIN 40 482 SEQADV 4CU1 ARG A 100 UNP P29473 CYS 100 VARIANT SEQADV 4CU1 ARG B 100 UNP P29473 CYS 100 VARIANT SEQRES 1 A 443 ARG ALA PRO ALA PRO ALA THR PRO HIS ALA PRO ASP HIS SEQRES 2 A 443 SER PRO ALA PRO ASN SER PRO THR LEU THR ARG PRO PRO SEQRES 3 A 443 GLU GLY PRO LYS PHE PRO ARG VAL LYS ASN TRP GLU LEU SEQRES 4 A 443 GLY SER ILE THR TYR ASP THR LEU CYS ALA GLN SER GLN SEQRES 5 A 443 GLN ASP GLY PRO CYS THR PRO ARG ARG CYS LEU GLY SER SEQRES 6 A 443 LEU VAL LEU PRO ARG LYS LEU GLN THR ARG PRO SER PRO SEQRES 7 A 443 GLY PRO PRO PRO ALA GLU GLN LEU LEU SER GLN ALA ARG SEQRES 8 A 443 ASP PHE ILE ASN GLN TYR TYR SER SER ILE LYS ARG SER SEQRES 9 A 443 GLY SER GLN ALA HIS GLU GLU ARG LEU GLN GLU VAL GLU SEQRES 10 A 443 ALA GLU VAL ALA SER THR GLY THR TYR HIS LEU ARG GLU SEQRES 11 A 443 SER GLU LEU VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN SEQRES 12 A 443 ALA PRO ARG CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU SEQRES 13 A 443 GLN VAL PHE ASP ALA ARG ASP CYS SER SER ALA GLN GLU SEQRES 14 A 443 MET PHE THR TYR ILE CYS ASN HIS ILE LYS TYR ALA THR SEQRES 15 A 443 ASN ARG GLY ASN LEU ARG SER ALA ILE THR VAL PHE PRO SEQRES 16 A 443 GLN ARG ALA PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SEQRES 17 A 443 SER GLN LEU VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP SEQRES 18 A 443 GLY SER VAL ARG GLY ASP PRO ALA ASN VAL GLU ILE THR SEQRES 19 A 443 GLU LEU CYS ILE GLN HIS GLY TRP THR PRO GLY ASN GLY SEQRES 20 A 443 ARG PHE ASP VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP SEQRES 21 A 443 GLU ALA PRO GLU LEU PHE VAL LEU PRO PRO GLU LEU VAL SEQRES 22 A 443 LEU GLU VAL PRO LEU GLU HIS PRO THR LEU GLU TRP PHE SEQRES 23 A 443 ALA ALA LEU GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SEQRES 24 A 443 SER ASN MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER SEQRES 25 A 443 ALA ALA PRO PHE SER GLY TRP TYR MET SER THR GLU ILE SEQRES 26 A 443 GLY THR ARG ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE SEQRES 27 A 443 LEU GLU ASP VAL ALA VAL CAS MET ASP LEU ASP THR ARG SEQRES 28 A 443 THR THR SER SER LEU TRP LYS ASP LYS ALA ALA VAL GLU SEQRES 29 A 443 ILE ASN LEU ALA VAL LEU HIS SER PHE GLN LEU ALA LYS SEQRES 30 A 443 VAL THR ILE VAL ASP HIS HIS ALA ALA THR VAL SER PHE SEQRES 31 A 443 MET LYS HIS LEU ASP ASN GLU GLN LYS ALA ARG GLY GLY SEQRES 32 A 443 CYS PRO ALA ASP TRP ALA TRP ILE VAL PRO PRO ILE SER SEQRES 33 A 443 GLY SER LEU THR PRO VAL PHE HIS GLN GLU MET VAL ASN SEQRES 34 A 443 TYR ILE LEU SER PRO ALA PHE ARG TYR GLN PRO ASP PRO SEQRES 35 A 443 TRP SEQRES 1 B 443 ARG ALA PRO ALA PRO ALA THR PRO HIS ALA PRO ASP HIS SEQRES 2 B 443 SER PRO ALA PRO ASN SER PRO THR LEU THR ARG PRO PRO SEQRES 3 B 443 GLU GLY PRO LYS PHE PRO ARG VAL LYS ASN TRP GLU LEU SEQRES 4 B 443 GLY SER ILE THR TYR ASP THR LEU CYS ALA GLN SER GLN SEQRES 5 B 443 GLN ASP GLY PRO CYS THR PRO ARG ARG CYS LEU GLY SER SEQRES 6 B 443 LEU VAL LEU PRO ARG LYS LEU GLN THR ARG PRO SER PRO SEQRES 7 B 443 GLY PRO PRO PRO ALA GLU GLN LEU LEU SER GLN ALA ARG SEQRES 8 B 443 ASP PHE ILE ASN GLN TYR TYR SER SER ILE LYS ARG SER SEQRES 9 B 443 GLY SER GLN ALA HIS GLU GLU ARG LEU GLN GLU VAL GLU SEQRES 10 B 443 ALA GLU VAL ALA SER THR GLY THR TYR HIS LEU ARG GLU SEQRES 11 B 443 SER GLU LEU VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN SEQRES 12 B 443 ALA PRO ARG CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU SEQRES 13 B 443 GLN VAL PHE ASP ALA ARG ASP CYS SER SER ALA GLN GLU SEQRES 14 B 443 MET PHE THR TYR ILE CYS ASN HIS ILE LYS TYR ALA THR SEQRES 15 B 443 ASN ARG GLY ASN LEU ARG SER ALA ILE THR VAL PHE PRO SEQRES 16 B 443 GLN ARG ALA PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SEQRES 17 B 443 SER GLN LEU VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP SEQRES 18 B 443 GLY SER VAL ARG GLY ASP PRO ALA ASN VAL GLU ILE THR SEQRES 19 B 443 GLU LEU CYS ILE GLN HIS GLY TRP THR PRO GLY ASN GLY SEQRES 20 B 443 ARG PHE ASP VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP SEQRES 21 B 443 GLU ALA PRO GLU LEU PHE VAL LEU PRO PRO GLU LEU VAL SEQRES 22 B 443 LEU GLU VAL PRO LEU GLU HIS PRO THR LEU GLU TRP PHE SEQRES 23 B 443 ALA ALA LEU GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SEQRES 24 B 443 SER ASN MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER SEQRES 25 B 443 ALA ALA PRO PHE SER GLY TRP TYR MET SER THR GLU ILE SEQRES 26 B 443 GLY THR ARG ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE SEQRES 27 B 443 LEU GLU ASP VAL ALA VAL CYS MET ASP LEU ASP THR ARG SEQRES 28 B 443 THR THR SER SER LEU TRP LYS ASP LYS ALA ALA VAL GLU SEQRES 29 B 443 ILE ASN LEU ALA VAL LEU HIS SER PHE GLN LEU ALA LYS SEQRES 30 B 443 VAL THR ILE VAL ASP HIS HIS ALA ALA THR VAL SER PHE SEQRES 31 B 443 MET LYS HIS LEU ASP ASN GLU GLN LYS ALA ARG GLY GLY SEQRES 32 B 443 CYS PRO ALA ASP TRP ALA TRP ILE VAL PRO PRO ILE SER SEQRES 33 B 443 GLY SER LEU THR PRO VAL PHE HIS GLN GLU MET VAL ASN SEQRES 34 B 443 TYR ILE LEU SER PRO ALA PHE ARG TYR GLN PRO ASP PRO SEQRES 35 B 443 TRP MODRES 4CU1 CAS A 384 CYS S-(DIMETHYLARSENIC)CYSTEINE HET HEM A 500 43 HET H4B A 600 17 HET 71S A 800 28 HET ACT A 860 4 HET GOL A 880 6 HET CAS A 384 9 HET HEM B 500 43 HET H4B B 600 17 HET 71S B 800 28 HET ACT B 860 4 HET GOL B 880 6 HET ZN B 900 1 HETNAM CAS S-(DIMETHYLARSENIC)CYSTEINE HETNAM 71S 6-[(2S)-3-AMINO-2-{5-[2-(6-AMINO-4- HETNAM 2 71S METHYLPYRIDIN-2-YL)ETHYL]PYRIDIN-3-YL}PROPYL]-4- HETNAM 3 71S METHYLPYRIDIN-2-AMINE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM ZN ZINC ION HETNAM GOL GLYCEROL HETNAM ACT ACETATE ION HETSYN HEM HEME HETSYN GOL GLYCERIN FORMUL 3 CAS C5 H12 AS N O2 S FORMUL 4 71S 2(C22 H28 N6) FORMUL 5 H4B 2(C9 H15 N5 O3) FORMUL 6 HEM 2(C34 H32 FE N4 O4) FORMUL 7 ZN ZN 2+ FORMUL 8 GOL 2(C3 H8 O3) FORMUL 9 ACT 2(C2 H3 O2 1-) FORMUL 10 HOH *295(H2 O) HELIX 1 1 THR A 85 SER A 90 5 6 HELIX 2 2 ALA A 122 ILE A 140 1 19 HELIX 3 3 SER A 145 GLY A 163 1 19 HELIX 4 4 ARG A 168 ALA A 183 1 16 HELIX 5 5 GLY A 188 TRP A 192 5 5 HELIX 6 6 SER A 205 ASN A 222 1 18 HELIX 7 7 ARG A 223 ASN A 225 5 3 HELIX 8 8 ASN A 269 HIS A 279 1 11 HELIX 9 9 PRO A 308 VAL A 312 5 5 HELIX 10 10 LEU A 322 GLY A 329 5 8 HELIX 11 11 SER A 361 THR A 366 1 6 HELIX 12 12 THR A 366 ASP A 371 1 6 HELIX 13 13 ILE A 377 MET A 385 1 9 HELIX 14 14 THR A 391 SER A 394 5 4 HELIX 15 15 LEU A 395 LYS A 416 1 22 HELIX 16 16 ASP A 421 GLY A 441 1 21 HELIX 17 17 ASP A 446 VAL A 451 1 6 HELIX 18 18 SER A 455 THR A 459 5 5 HELIX 19 19 THR A 459 HIS A 463 5 5 HELIX 20 20 THR B 85 SER B 90 5 6 HELIX 21 21 PRO B 121 ILE B 140 1 20 HELIX 22 22 SER B 145 GLY B 163 1 19 HELIX 23 23 ARG B 168 ALA B 183 1 16 HELIX 24 24 GLY B 188 TRP B 192 5 5 HELIX 25 25 SER B 205 ASN B 222 1 18 HELIX 26 26 ARG B 223 ASN B 225 5 3 HELIX 27 27 ASN B 269 HIS B 279 1 11 HELIX 28 28 PRO B 308 VAL B 312 5 5 HELIX 29 29 GLU B 323 LEU B 328 1 6 HELIX 30 30 SER B 361 THR B 366 1 6 HELIX 31 31 THR B 366 ASP B 371 1 6 HELIX 32 32 ILE B 377 MET B 385 1 9 HELIX 33 33 THR B 391 SER B 394 5 4 HELIX 34 34 LEU B 395 ALA B 415 1 21 HELIX 35 35 ASP B 421 GLY B 441 1 21 HELIX 36 36 ASP B 446 VAL B 451 1 6 HELIX 37 37 SER B 455 THR B 459 5 5 HELIX 38 38 THR B 459 HIS B 463 5 5 SHEET 1 AA 2 ARG A 72 LYS A 74 0 SHEET 2 AA 2 ILE A 81 TYR A 83 -1 O THR A 82 N VAL A 73 SHEET 1 AB 4 GLN A 196 ASP A 199 0 SHEET 2 AB 4 ALA A 229 VAL A 232 1 O ILE A 230 N PHE A 198 SHEET 3 AB 4 PHE A 355 SER A 356 -1 O SER A 356 N ALA A 229 SHEET 4 AB 4 ALA A 337 VAL A 338 -1 O VAL A 338 N PHE A 355 SHEET 1 AC 3 ARG A 244 ILE A 245 0 SHEET 2 AC 3 LEU A 293 GLN A 296 -1 O GLN A 296 N ARG A 244 SHEET 3 AC 3 GLU A 303 PHE A 305 -1 O GLU A 303 N LEU A 295 SHEET 1 AD 2 GLY A 255 ARG A 257 0 SHEET 2 AD 2 VAL A 263 GLY A 265 -1 O ARG A 264 N TYR A 256 SHEET 1 AE 2 GLU A 314 PRO A 316 0 SHEET 2 AE 2 ARG A 331 TYR A 333 -1 O TRP A 332 N VAL A 315 SHEET 1 AF 3 LEU A 348 PHE A 350 0 SHEET 2 AF 3 LEU A 342 ILE A 345 -1 O LEU A 343 N PHE A 350 SHEET 3 AF 3 ALA A 474 ARG A 476 -1 O ALA A 474 N GLU A 344 SHEET 1 AG 2 TYR A 359 MET A 360 0 SHEET 2 AG 2 ILE A 419 VAL A 420 1 N VAL A 420 O TYR A 359 SHEET 1 BA 2 ARG B 72 LYS B 74 0 SHEET 2 BA 2 ILE B 81 TYR B 83 -1 O THR B 82 N VAL B 73 SHEET 1 BB 4 GLN B 196 ASP B 199 0 SHEET 2 BB 4 ALA B 229 VAL B 232 1 O ILE B 230 N PHE B 198 SHEET 3 BB 4 PHE B 355 SER B 356 -1 O SER B 356 N ALA B 229 SHEET 4 BB 4 ALA B 337 VAL B 338 -1 O VAL B 338 N PHE B 355 SHEET 1 BC 3 ARG B 244 ILE B 245 0 SHEET 2 BC 3 LEU B 293 GLN B 296 -1 O GLN B 296 N ARG B 244 SHEET 3 BC 3 GLU B 303 PHE B 305 -1 O GLU B 303 N LEU B 295 SHEET 1 BD 2 GLY B 255 ARG B 257 0 SHEET 2 BD 2 VAL B 263 GLY B 265 -1 O ARG B 264 N TYR B 256 SHEET 1 BE 2 GLU B 314 PRO B 316 0 SHEET 2 BE 2 ARG B 331 TYR B 333 -1 O TRP B 332 N VAL B 315 SHEET 1 BF 3 LEU B 348 PHE B 350 0 SHEET 2 BF 3 LEU B 342 ILE B 345 -1 O LEU B 343 N PHE B 350 SHEET 3 BF 3 ALA B 474 ARG B 476 -1 O ALA B 474 N GLU B 344 SHEET 1 BG 2 TYR B 359 MET B 360 0 SHEET 2 BG 2 ILE B 419 VAL B 420 1 N VAL B 420 O TYR B 359 LINK SG CYS A 186 FE HEM A 500 1555 1555 2.45 LINK C VAL A 383 N CAS A 384 1555 1555 1.34 LINK C CAS A 384 N MET A 385 1555 1555 1.33 LINK SG CYS B 186 FE HEM B 500 1555 1555 2.49 LINK ZN ZN B 900 SG CYS B 96 1555 1555 2.31 LINK ZN ZN B 900 SG CYS A 101 1555 1555 2.33 LINK ZN ZN B 900 SG CYS A 96 1555 1555 2.43 LINK ZN ZN B 900 SG CYS B 101 1555 1555 2.32 CISPEP 1 SER A 472 PRO A 473 0 3.82 CISPEP 2 SER B 472 PRO B 473 0 -0.11 SITE 1 AC1 19 TRP A 180 ARG A 185 CYS A 186 VAL A 187 SITE 2 AC1 19 GLY A 188 SER A 228 PHE A 355 SER A 356 SITE 3 AC1 19 TRP A 358 MET A 360 GLU A 363 TRP A 449 SITE 4 AC1 19 PHE A 475 TYR A 477 H4B A 600 71S A 800 SITE 5 AC1 19 HOH A2120 HOH A2167 HOH A2168 SITE 1 AC2 16 SER A 104 VAL A 106 ARG A 367 ALA A 448 SITE 2 AC2 16 TRP A 449 HEM A 500 71S A 800 GOL A 880 SITE 3 AC2 16 HOH A2023 HOH A2124 HOH A2150 TRP B 447 SITE 4 AC2 16 PHE B 462 HIS B 463 GLN B 464 GLU B 465 SITE 1 AC3 15 LEU A 107 GLN A 249 VAL A 338 ASN A 340 SITE 2 AC3 15 PHE A 355 GLY A 357 TRP A 358 TYR A 359 SITE 3 AC3 15 GLU A 363 TRP A 449 TYR A 477 HEM A 500 SITE 4 AC3 15 H4B A 600 GOL A 880 HOH A2169 SITE 1 AC4 4 GLY A 188 TRP A 358 SER A 428 HOH A2170 SITE 1 AC5 8 VAL A 106 ARG A 367 HIS A 373 TRP A 449 SITE 2 AC5 8 H4B A 600 71S A 800 HOH A2124 TRP B 76 SITE 1 AC6 18 TRP B 180 ARG B 185 CYS B 186 VAL B 187 SITE 2 AC6 18 SER B 228 PHE B 355 SER B 356 TRP B 358 SITE 3 AC6 18 MET B 360 GLU B 363 TRP B 449 PHE B 475 SITE 4 AC6 18 TYR B 477 H4B B 600 71S B 800 HOH B2090 SITE 5 AC6 18 HOH B2122 HOH B2124 SITE 1 AC7 14 TRP A 447 PHE A 462 HIS A 463 GLU A 465 SITE 2 AC7 14 HOH A2158 SER B 104 ARG B 367 ALA B 448 SITE 3 AC7 14 TRP B 449 HEM B 500 71S B 800 GOL B 880 SITE 4 AC7 14 HOH B2015 HOH B2113 SITE 1 AC8 18 TRP A 76 LEU B 107 SER B 248 GLN B 249 SITE 2 AC8 18 PRO B 336 VAL B 338 ASN B 340 PHE B 355 SITE 3 AC8 18 GLY B 357 TRP B 358 TYR B 359 GLU B 363 SITE 4 AC8 18 TRP B 449 HEM B 500 H4B B 600 GOL B 880 SITE 5 AC8 18 HOH B2093 HOH B2125 SITE 1 AC9 5 GLY B 188 ILE B 190 TRP B 358 VAL B 420 SITE 2 AC9 5 SER B 428 SITE 1 BC1 7 HOH A2158 VAL B 106 ARG B 367 HIS B 373 SITE 2 BC1 7 TRP B 449 H4B B 600 71S B 800 SITE 1 BC2 4 CYS A 96 CYS A 101 CYS B 96 CYS B 101 CRYST1 57.335 105.170 155.044 90.00 90.00 90.00 P 21 21 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 0.017441 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009508 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006450 0.00000