HEADER OXIDOREDUCTASE 14-DEC-99 1DMK TITLE BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 4- TITLE 2 AMINO-6-PHENYL-TETRAHYDROPTERIDINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: HEME DOMAIN; COMPND 5 EC: 1.14.13.39; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 CELL: ENDOTHELIAL; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ALPHA-BETA FOLD, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR P.KOTSONIS,L.G.FROHLICH,C.S.RAMAN,H.LI,M.BERG,R.GERWIG,V.GROEHN, AUTHOR 2 Y.KANG,N.AL-MASOUDI,S.TAGHAVI-MOGHADAM,D.MOHR,U.MUNCH,J.SCHNABEL, AUTHOR 3 P.MARTASEK,B.S.MASTERS,H.STROBEL,T.POULOS,H.MATTER,W.PFLEIDERER, AUTHOR 4 H.H.SCHMIDT REVDAT 6 07-FEB-24 1DMK 1 REMARK SEQADV LINK REVDAT 5 13-JUL-11 1DMK 1 VERSN REVDAT 4 24-FEB-09 1DMK 1 VERSN REVDAT 3 01-APR-03 1DMK 1 JRNL REVDAT 2 04-JAN-02 1DMK 1 JRNL REMARK REVDAT 1 20-DEC-00 1DMK 0 JRNL AUTH P.KOTSONIS,L.G.FROHLICH,C.S.RAMAN,H.LI,M.BERG,R.GERWIG, JRNL AUTH 2 V.GROEHN,Y.KANG,N.AL-MASOUDI,S.TAGHAVI-MOGHADAM,D.MOHR, JRNL AUTH 3 U.MUNCH,J.SCHNABEL,P.MARTASEK,B.S.MASTERS,H.STROBEL, JRNL AUTH 4 T.POULOS,H.MATTER,W.PFLEIDERER,H.H.SCHMIDT JRNL TITL STRUCTURAL BASIS FOR PTERIN ANTAGONISM IN NITRIC-OXIDE JRNL TITL 2 SYNTHASE. DEVELOPMENT OF NOVEL 4-OXO-PTERIDINE ANTAGONISTS JRNL TITL 3 OF (6R)-5,6,7,8-TETRAHYDROBIOPTERIN JRNL REF J.BIOL.CHEM. V. 276 49133 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11590164 JRNL DOI 10.1074/JBC.M011469200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.S.RAMAN,H.LI,P.MARTASEK,V.KRAL,B.S.S.MASTERS,T.L.POULOS REMARK 1 TITL CRYSTAL STRUCTURE OF CONSTITUTIVE ENDOTHELIAL NITRIC OXIDE REMARK 1 TITL 2 SYNTHASE: A PARADIGM FOR PTERIN FUNCTION INVOLVING A NOVEL REMARK 1 TITL 3 METAL CENTER REMARK 1 REF CELL(CAMBRIDGE,MASS.) V. 95 939 1998 REMARK 1 REFN ISSN 0092-8674 REMARK 1 DOI 10.1016/S0092-8674(00)81718-3 REMARK 1 REFERENCE 2 REMARK 1 AUTH B.R.CRANE,A.S.ARVAI,D.K.GHOSH,C.WU,E.D.GETZOFF,D.J.STUEHR, REMARK 1 AUTH 2 A.TAINER REMARK 1 TITL STRUCTURE OF NITRIC OXIDE SYNTHASE OXYGENASE DIMER WITH REMARK 1 TITL 2 PTERIN AND SUBSTRATE REMARK 1 REF SCIENCE V. 279 2121 1998 REMARK 1 REFN ISSN 0036-8075 REMARK 1 DOI 10.1126/SCIENCE.279.5359.2121 REMARK 1 REFERENCE 3 REMARK 1 AUTH L.G.FROHLICH,P.KOTSONIS,H.TRAUB,S.TAGHAVI-MOGHADAM, REMARK 1 AUTH 2 N.AL-MASOUDI,H.HOFMANN,H.STROBEL,H.MATTER,W.PFLEIDERER, REMARK 1 AUTH 3 H.H.H.W.SCHMIDT REMARK 1 TITL INHIBITION OF NEURONAL NITRIC OXIDE SYNTHASE BY 4-AMINO REMARK 1 TITL 2 PTERIDINE DERIVATIVES: STRUCTURE-ACTIVITY RELATIONSHIP OF REMARK 1 TITL 3 ANTAGONISTS OF (6R)-5,6,7,8- TETRAHYDROBIOPTERIN COFACTOR REMARK 1 REF J.MED.CHEM. V. 42 4108 1999 REMARK 1 REFN ISSN 0022-2623 REMARK 1 DOI 10.1021/JM981129A REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.93 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2519871.700 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.2 REMARK 3 NUMBER OF REFLECTIONS : 68543 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 SET) : 0.225 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3418 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 82.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5913 REMARK 3 BIN R VALUE (WORKING SET) : 0.4190 REMARK 3 BIN FREE R VALUE : 0.4300 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 315 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.024 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6593 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 169 REMARK 3 SOLVENT ATOMS : 470 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 16.42000 REMARK 3 B22 (A**2) : -9.43000 REMARK 3 B33 (A**2) : -7.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.43 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.33 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.44 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.030 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 53.72 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 RESIDUES 39 TO 66 OF MOLECULE A AND RESIDUES 39 TO 68 IN REMARK 3 MOLECULE B ARE NOT VISIBLE IN THE ELECTRON DENSITY. REMARK 3 REMARK 3 RESIDUES 108-120 ARE DISORDERED, BUT THE TENTATIVE MODEL REMARK 3 WAS INCLUDED IN THE REFINEMENT. REMARK 4 REMARK 4 1DMK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-DEC-99. REMARK 100 THE DEPOSITION ID IS D_1000010212. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 73472 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.7000 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 (%) : 92.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.56800 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: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, CACODYLATE, MAGNESIUM REMARK 280 ACETATE, PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 280K 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 29.03500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 78.10500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 53.05500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 78.10500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.03500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 53.05500 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: 12230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32370 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -82.0 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 SER A 39 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 SER B 39 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 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 O HOH B 2962 O HOH B 3079 2.17 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 LYS A 110 -86.03 -126.54 REMARK 500 GLN A 112 97.74 -10.87 REMARK 500 SER A 116 71.67 -113.50 REMARK 500 PRO A 117 -89.47 -38.77 REMARK 500 PRO A 119 142.40 -38.00 REMARK 500 ASN A 222 43.64 39.73 REMARK 500 ARG A 240 135.25 -170.93 REMARK 500 SER A 262 -172.26 -66.10 REMARK 500 ASN A 285 57.83 -156.57 REMARK 500 ASP A 299 15.75 57.87 REMARK 500 ALA A 353 69.10 -163.50 REMARK 500 ARG A 374 -131.19 -118.53 REMARK 500 LYS B 110 5.46 -159.34 REMARK 500 GLN B 112 -120.22 -29.72 REMARK 500 THR B 113 85.62 -168.82 REMARK 500 PRO B 115 167.98 -46.70 REMARK 500 ASP B 202 41.82 -101.18 REMARK 500 ASP B 260 16.34 -66.99 REMARK 500 ASN B 285 37.69 -145.46 REMARK 500 ASP B 299 29.17 46.12 REMARK 500 ALA B 353 70.01 -155.85 REMARK 500 ARG B 374 -136.09 -115.36 REMARK 500 ASN B 376 61.23 37.96 REMARK 500 CYS B 443 114.55 -161.30 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 ZN ION SITS RIGHT ON THE NCS 2-FOLD THAT DEFINES THE DIMER REMARK 600 INTERFACE AND IS COORDINATED TETRAHEDRALLY WITH 2 PAIRS OF REMARK 600 SYMMETRY-RELATED CYS RESIDUES. 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 ZN A 900 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 96 SG REMARK 620 2 CYS A 101 SG 109.2 REMARK 620 3 CYS B 96 SG 121.8 105.0 REMARK 620 4 CYS B 101 SG 107.0 106.2 106.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A1500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 186 SG REMARK 620 2 HEM A1500 NA 101.8 REMARK 620 3 HEM A1500 NB 93.2 88.1 REMARK 620 4 HEM A1500 NC 103.2 154.9 88.3 REMARK 620 5 HEM A1500 ND 102.1 88.5 164.7 88.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CAC A 950 AS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 384 SG REMARK 620 2 CAC A 950 C1 99.1 REMARK 620 3 CAC A 950 C2 96.8 96.1 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B2500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 186 SG REMARK 620 2 HEM B2500 NA 105.9 REMARK 620 3 HEM B2500 NB 97.5 88.5 REMARK 620 4 HEM B2500 NC 98.1 156.0 87.9 REMARK 620 5 HEM B2500 ND 99.7 89.1 162.6 87.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CAC B 950 AS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 384 SG REMARK 620 2 CAC B 950 C1 96.7 REMARK 620 3 CAC B 950 C2 96.9 94.2 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 1850 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 1855 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 1860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 950 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 2850 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 2855 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 2860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 2870 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC B 950 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1500 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 2500 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AP6 A 1660 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ITU A 1800 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AP6 B 2660 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ITU B 2800 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1NSE RELATED DB: PDB REMARK 900 BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH REMARK 900 SEITU DBREF 1DMK A 39 482 UNP P29473 NOS3_BOVIN 39 482 DBREF 1DMK B 39 482 UNP P29473 NOS3_BOVIN 39 482 SEQADV 1DMK ARG A 100 UNP P29473 CYS 100 CONFLICT SEQADV 1DMK ARG B 100 UNP P29473 CYS 100 CONFLICT SEQRES 1 A 444 SER ARG ALA PRO ALA PRO ALA THR PRO HIS ALA PRO ASP SEQRES 2 A 444 HIS SER PRO ALA PRO ASN SER PRO THR LEU THR ARG PRO SEQRES 3 A 444 PRO GLU GLY PRO LYS PHE PRO ARG VAL LYS ASN TRP GLU SEQRES 4 A 444 LEU GLY SER ILE THR TYR ASP THR LEU CYS ALA GLN SER SEQRES 5 A 444 GLN GLN ASP GLY PRO CYS THR PRO ARG ARG CYS LEU GLY SEQRES 6 A 444 SER LEU VAL LEU PRO ARG LYS LEU GLN THR ARG PRO SER SEQRES 7 A 444 PRO GLY PRO PRO PRO ALA GLU GLN LEU LEU SER GLN ALA SEQRES 8 A 444 ARG ASP PHE ILE ASN GLN TYR TYR SER SER ILE LYS ARG SEQRES 9 A 444 SER GLY SER GLN ALA HIS GLU GLU ARG LEU GLN GLU VAL SEQRES 10 A 444 GLU ALA GLU VAL ALA SER THR GLY THR TYR HIS LEU ARG SEQRES 11 A 444 GLU SER GLU LEU VAL PHE GLY ALA LYS GLN ALA TRP ARG SEQRES 12 A 444 ASN ALA PRO ARG CYS VAL GLY ARG ILE GLN TRP GLY LYS SEQRES 13 A 444 LEU GLN VAL PHE ASP ALA ARG ASP CYS SER SER ALA GLN SEQRES 14 A 444 GLU MET PHE THR TYR ILE CYS ASN HIS ILE LYS TYR ALA SEQRES 15 A 444 THR ASN ARG GLY ASN LEU ARG SER ALA ILE THR VAL PHE SEQRES 16 A 444 PRO GLN ARG ALA PRO GLY ARG GLY ASP PHE ARG ILE TRP SEQRES 17 A 444 ASN SER GLN LEU VAL ARG TYR ALA GLY TYR ARG GLN GLN SEQRES 18 A 444 ASP GLY SER VAL ARG GLY ASP PRO ALA ASN VAL GLU ILE SEQRES 19 A 444 THR GLU LEU CYS ILE GLN HIS GLY TRP THR PRO GLY ASN SEQRES 20 A 444 GLY ARG PHE ASP VAL LEU PRO LEU LEU LEU GLN ALA PRO SEQRES 21 A 444 ASP GLU ALA PRO GLU LEU PHE VAL LEU PRO PRO GLU LEU SEQRES 22 A 444 VAL LEU GLU VAL PRO LEU GLU HIS PRO THR LEU GLU TRP SEQRES 23 A 444 PHE ALA ALA LEU GLY LEU ARG TRP TYR ALA LEU PRO ALA SEQRES 24 A 444 VAL SER ASN MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SEQRES 25 A 444 SER ALA ALA PRO PHE SER GLY TRP TYR MET SER THR GLU SEQRES 26 A 444 ILE GLY THR ARG ASN LEU CYS ASP PRO HIS ARG TYR ASN SEQRES 27 A 444 ILE LEU GLU ASP VAL ALA VAL CYS MET ASP LEU ASP THR SEQRES 28 A 444 ARG THR THR SER SER LEU TRP LYS ASP LYS ALA ALA VAL SEQRES 29 A 444 GLU ILE ASN LEU ALA VAL LEU HIS SER PHE GLN LEU ALA SEQRES 30 A 444 LYS VAL THR ILE VAL ASP HIS HIS ALA ALA THR VAL SER SEQRES 31 A 444 PHE MET LYS HIS LEU ASP ASN GLU GLN LYS ALA ARG GLY SEQRES 32 A 444 GLY CYS PRO ALA ASP TRP ALA TRP ILE VAL PRO PRO ILE SEQRES 33 A 444 SER GLY SER LEU THR PRO VAL PHE HIS GLN GLU MET VAL SEQRES 34 A 444 ASN TYR ILE LEU SER PRO ALA PHE ARG TYR GLN PRO ASP SEQRES 35 A 444 PRO TRP SEQRES 1 B 444 SER ARG ALA PRO ALA PRO ALA THR PRO HIS ALA PRO ASP SEQRES 2 B 444 HIS SER PRO ALA PRO ASN SER PRO THR LEU THR ARG PRO SEQRES 3 B 444 PRO GLU GLY PRO LYS PHE PRO ARG VAL LYS ASN TRP GLU SEQRES 4 B 444 LEU GLY SER ILE THR TYR ASP THR LEU CYS ALA GLN SER SEQRES 5 B 444 GLN GLN ASP GLY PRO CYS THR PRO ARG ARG CYS LEU GLY SEQRES 6 B 444 SER LEU VAL LEU PRO ARG LYS LEU GLN THR ARG PRO SER SEQRES 7 B 444 PRO GLY PRO PRO PRO ALA GLU GLN LEU LEU SER GLN ALA SEQRES 8 B 444 ARG ASP PHE ILE ASN GLN TYR TYR SER SER ILE LYS ARG SEQRES 9 B 444 SER GLY SER GLN ALA HIS GLU GLU ARG LEU GLN GLU VAL SEQRES 10 B 444 GLU ALA GLU VAL ALA SER THR GLY THR TYR HIS LEU ARG SEQRES 11 B 444 GLU SER GLU LEU VAL PHE GLY ALA LYS GLN ALA TRP ARG SEQRES 12 B 444 ASN ALA PRO ARG CYS VAL GLY ARG ILE GLN TRP GLY LYS SEQRES 13 B 444 LEU GLN VAL PHE ASP ALA ARG ASP CYS SER SER ALA GLN SEQRES 14 B 444 GLU MET PHE THR TYR ILE CYS ASN HIS ILE LYS TYR ALA SEQRES 15 B 444 THR ASN ARG GLY ASN LEU ARG SER ALA ILE THR VAL PHE SEQRES 16 B 444 PRO GLN ARG ALA PRO GLY ARG GLY ASP PHE ARG ILE TRP SEQRES 17 B 444 ASN SER GLN LEU VAL ARG TYR ALA GLY TYR ARG GLN GLN SEQRES 18 B 444 ASP GLY SER VAL ARG GLY ASP PRO ALA ASN VAL GLU ILE SEQRES 19 B 444 THR GLU LEU CYS ILE GLN HIS GLY TRP THR PRO GLY ASN SEQRES 20 B 444 GLY ARG PHE ASP VAL LEU PRO LEU LEU LEU GLN ALA PRO SEQRES 21 B 444 ASP GLU ALA PRO GLU LEU PHE VAL LEU PRO PRO GLU LEU SEQRES 22 B 444 VAL LEU GLU VAL PRO LEU GLU HIS PRO THR LEU GLU TRP SEQRES 23 B 444 PHE ALA ALA LEU GLY LEU ARG TRP TYR ALA LEU PRO ALA SEQRES 24 B 444 VAL SER ASN MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SEQRES 25 B 444 SER ALA ALA PRO PHE SER GLY TRP TYR MET SER THR GLU SEQRES 26 B 444 ILE GLY THR ARG ASN LEU CYS ASP PRO HIS ARG TYR ASN SEQRES 27 B 444 ILE LEU GLU ASP VAL ALA VAL CYS MET ASP LEU ASP THR SEQRES 28 B 444 ARG THR THR SER SER LEU TRP LYS ASP LYS ALA ALA VAL SEQRES 29 B 444 GLU ILE ASN LEU ALA VAL LEU HIS SER PHE GLN LEU ALA SEQRES 30 B 444 LYS VAL THR ILE VAL ASP HIS HIS ALA ALA THR VAL SER SEQRES 31 B 444 PHE MET LYS HIS LEU ASP ASN GLU GLN LYS ALA ARG GLY SEQRES 32 B 444 GLY CYS PRO ALA ASP TRP ALA TRP ILE VAL PRO PRO ILE SEQRES 33 B 444 SER GLY SER LEU THR PRO VAL PHE HIS GLN GLU MET VAL SEQRES 34 B 444 ASN TYR ILE LEU SER PRO ALA PHE ARG TYR GLN PRO ASP SEQRES 35 B 444 PRO TRP HET ACT A1850 4 HET ACT A1855 4 HET ACT A1860 4 HET CAC A 950 3 HET ZN A 900 1 HET HEM A1500 43 HET AP6 A1660 18 HET ITU A1800 6 HET ACT B2850 4 HET ACT B2855 4 HET ACT B2860 4 HET ACT B2870 4 HET CAC B 950 3 HET HEM B2500 43 HET AP6 B2660 18 HET ITU B2800 6 HETNAM ACT ACETATE ION HETNAM CAC CACODYLATE ION HETNAM ZN ZINC ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM AP6 2,4-DIAMINO-6-PHENYL-5,6,7,8,-TETRAHYDROPTERIDINE HETNAM ITU ETHYLISOTHIOUREA HETSYN CAC DIMETHYLARSINATE HETSYN HEM HEME FORMUL 3 ACT 7(C2 H3 O2 1-) FORMUL 6 CAC 2(C2 H6 AS O2 1-) FORMUL 7 ZN ZN 2+ FORMUL 8 HEM 2(C34 H32 FE N4 O4) FORMUL 9 AP6 2(C12 H14 N6) FORMUL 10 ITU 2(C3 H8 N2 S) FORMUL 19 HOH *470(H2 O) HELIX 1 1 THR A 85 SER A 90 5 6 HELIX 2 2 PRO A 121 ILE A 140 1 20 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 GLN A 278 1 10 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 MET A 360 THR A 366 1 7 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 ALA A 415 1 21 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 LEU B 322 GLY B 329 5 8 HELIX 30 30 MET B 360 THR B 366 1 7 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 A 2 ARG A 72 LYS A 74 0 SHEET 2 A 2 ILE A 81 TYR A 83 -1 O THR A 82 N VAL A 73 SHEET 1 B 2 ARG A 100 CYS A 101 0 SHEET 2 B 2 ASN B 468 TYR B 469 -1 O ASN B 468 N CYS A 101 SHEET 1 C 4 GLN A 196 ASP A 199 0 SHEET 2 C 4 ALA A 229 VAL A 232 1 O ILE A 230 N PHE A 198 SHEET 3 C 4 PHE A 355 SER A 356 -1 N SER A 356 O ALA A 229 SHEET 4 C 4 ALA A 337 VAL A 338 -1 O VAL A 338 N PHE A 355 SHEET 1 D 3 ARG A 244 ILE A 245 0 SHEET 2 D 3 LEU A 293 GLN A 296 -1 N GLN A 296 O ARG A 244 SHEET 3 D 3 GLU A 303 PHE A 305 -1 N GLU A 303 O LEU A 295 SHEET 1 E 2 GLY A 255 ARG A 257 0 SHEET 2 E 2 VAL A 263 GLY A 265 -1 O ARG A 264 N TYR A 256 SHEET 1 F 2 GLU A 314 PRO A 316 0 SHEET 2 F 2 ARG A 331 TYR A 333 -1 O TRP A 332 N VAL A 315 SHEET 1 G 3 LEU A 348 PHE A 350 0 SHEET 2 G 3 LEU A 342 ILE A 345 -1 O LEU A 343 N PHE A 350 SHEET 3 G 3 ALA A 474 ARG A 476 -1 O ALA A 474 N GLU A 344 SHEET 1 H 2 ARG B 72 LYS B 74 0 SHEET 2 H 2 ILE B 81 TYR B 83 -1 O THR B 82 N VAL B 73 SHEET 1 I 4 GLN B 196 ASP B 199 0 SHEET 2 I 4 ALA B 229 VAL B 232 1 O ILE B 230 N PHE B 198 SHEET 3 I 4 PHE B 355 SER B 356 -1 N SER B 356 O ALA B 229 SHEET 4 I 4 ALA B 337 VAL B 338 -1 O VAL B 338 N PHE B 355 SHEET 1 J 3 ARG B 244 ILE B 245 0 SHEET 2 J 3 LEU B 293 GLN B 296 -1 N GLN B 296 O ARG B 244 SHEET 3 J 3 GLU B 303 PHE B 305 -1 N GLU B 303 O LEU B 295 SHEET 1 K 2 GLY B 255 ARG B 257 0 SHEET 2 K 2 VAL B 263 GLY B 265 -1 O ARG B 264 N TYR B 256 SHEET 1 L 2 GLU B 314 PRO B 316 0 SHEET 2 L 2 ARG B 331 TYR B 333 -1 O TRP B 332 N VAL B 315 SHEET 1 M 3 LEU B 348 PHE B 350 0 SHEET 2 M 3 LEU B 342 ILE B 345 -1 O LEU B 343 N PHE B 350 SHEET 3 M 3 ALA B 474 ARG B 476 -1 O ALA B 474 N GLU B 344 LINK SG CYS A 96 ZN ZN A 900 1555 1555 2.37 LINK SG CYS A 101 ZN ZN A 900 1555 1555 2.35 LINK SG CYS A 186 FE HEM A1500 1555 1555 2.28 LINK SG CYS A 384 AS CAC A 950 1555 1555 2.35 LINK ZN ZN A 900 SG CYS B 96 1555 1555 2.30 LINK ZN ZN A 900 SG CYS B 101 1555 1555 2.33 LINK SG CYS B 186 FE HEM B2500 1555 1555 2.30 LINK SG CYS B 384 AS CAC B 950 1555 1555 2.38 CISPEP 1 SER A 472 PRO A 473 0 0.27 CISPEP 2 SER B 472 PRO B 473 0 0.76 SITE 1 AC1 4 ARG A 252 ASN A 368 ARG A 374 HOH A1888 SITE 1 AC2 3 ARG A 367 AP6 A1660 HOH A2041 SITE 1 AC3 6 GLY A 188 TRP A 358 SER A 428 HOH A1869 SITE 2 AC3 6 HOH A2013 HOH A2014 SITE 1 AC4 6 TRP A 324 CYS A 384 LYS A 438 ARG A 440 SITE 2 AC4 6 GLY A 441 HOH A1882 SITE 1 AC5 5 GLN B 249 ARG B 252 ASN B 368 ARG B 374 SITE 2 AC5 5 HOH B2886 SITE 1 AC6 4 ARG B 367 AP6 B2660 HOH B2930 HOH B2997 SITE 1 AC7 5 TRP B 358 VAL B 420 SER B 428 HOH B3060 SITE 2 AC7 5 HOH B3061 SITE 1 AC8 5 ASP A 398 ILE A 454 SER A 455 ILE B 454 SITE 2 AC8 5 SER B 455 SITE 1 AC9 3 TYR B 83 TRP B 324 CYS B 384 SITE 1 BC1 4 CYS A 96 CYS A 101 CYS B 96 CYS B 101 SITE 1 BC2 17 TRP A 180 ARG A 185 CYS A 186 SER A 228 SITE 2 BC2 17 PHE A 355 SER A 356 TRP A 358 GLU A 363 SITE 3 BC2 17 TRP A 449 PHE A 475 TYR A 477 AP6 A1660 SITE 4 BC2 17 ITU A1800 HOH A1863 HOH A1871 HOH A1903 SITE 5 BC2 17 HOH A2079 SITE 1 BC3 15 TRP B 180 CYS B 186 SER B 228 PHE B 355 SITE 2 BC3 15 SER B 356 TRP B 358 GLU B 363 TRP B 449 SITE 3 BC3 15 TYR B 477 AP6 B2660 ITU B2800 HOH B2871 SITE 4 BC3 15 HOH B2877 HOH B2879 HOH B2992 SITE 1 BC4 15 SER A 104 VAL A 106 ARG A 367 ALA A 448 SITE 2 BC4 15 TRP A 449 HEM A1500 ACT A1855 HOH A1871 SITE 3 BC4 15 HOH A1881 HOH A1999 TRP B 76 TRP B 447 SITE 4 BC4 15 PHE B 462 HIS B 463 GLU B 465 SITE 1 BC5 6 PRO A 336 VAL A 338 TRP A 358 GLU A 363 SITE 2 BC5 6 HEM A1500 HOH A2050 SITE 1 BC6 13 TRP A 76 TRP A 447 PHE A 462 HIS A 463 SITE 2 BC6 13 GLU A 465 SER B 104 ARG B 367 ALA B 448 SITE 3 BC6 13 TRP B 449 HEM B2500 ACT B2855 HOH B2877 SITE 4 BC6 13 HOH B2935 SITE 1 BC7 7 PRO B 336 VAL B 338 TRP B 358 TYR B 359 SITE 2 BC7 7 GLU B 363 HEM B2500 HOH B2957 CRYST1 58.070 106.110 156.210 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 0.017221 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009424 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006402 0.00000