HEADER OXIDOREDUCTASE 13-DEC-99 1DM6 TITLE BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH N- TITLE 2 (4-CHLOROPHENYL)-N'-HYDROXYGUANIDINE (H4B FREE) 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 C.S.RAMAN,H.LI,P.MARTASEK,G.J.SOUTHAN,B.S.S.MASTERS,T.L.POULOS REVDAT 6 07-FEB-24 1DM6 1 REMARK SEQADV LINK REVDAT 5 13-JUL-11 1DM6 1 VERSN REVDAT 4 24-FEB-09 1DM6 1 VERSN REVDAT 3 01-APR-03 1DM6 1 JRNL REVDAT 2 21-NOV-01 1DM6 1 JRNL REMARK REVDAT 1 13-DEC-00 1DM6 0 JRNL AUTH C.S.RAMAN,H.LI,P.MARTASEK,G.SOUTHAN,B.S.MASTERS,T.L.POULOS JRNL TITL CRYSTAL STRUCTURE OF NITRIC OXIDE SYNTHASE BOUND TO NITRO JRNL TITL 2 INDAZOLE REVEALS A NOVEL INACTIVATION MECHANISM. JRNL REF BIOCHEMISTRY V. 40 13448 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11695891 JRNL DOI 10.1021/BI010957U 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 A.RENODON-CORNIERE,J.-L.BOUCHER,S.DIJOLS,D.J.STUEHR,D.MANSUY REMARK 1 TITL EFFICIENT FORMATION OF NITRIC OXIDE FROM SELECTIVE OXIDATION REMARK 1 TITL 2 OF N-ARYL N'- HYDROXYGUANIDINES BY INDUCIBLE NITRIC OXIDE REMARK 1 TITL 3 SYNTHASE REMARK 1 REF BIOCHEMISTRY V. 38 4663 1999 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI982930P REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 82.9 REMARK 3 NUMBER OF REFLECTIONS : 58892 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) : 0.220 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2925 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) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 75.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5026 REMARK 3 BIN R VALUE (WORKING SET) : 0.3800 REMARK 3 BIN FREE R VALUE : 0.3820 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 246 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 : 157 REMARK 3 SOLVENT ATOMS : 516 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 10.23000 REMARK 3 B22 (A**2) : -0.93000 REMARK 3 B33 (A**2) : -9.30000 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.44 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) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.35 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.950 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : 52.95 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 1DM6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-DEC-99. REMARK 100 THE DEPOSITION ID IS D_1000010204. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-99 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 : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 63487 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.6 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.98 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.7 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.77900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 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 28.94000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 77.96000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 53.21500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 77.96000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.94000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 53.21500 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: 11760 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32480 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -129.0 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 OH TYR B 477 O1D HEM B 2500 2.11 REMARK 500 O HOH A 2800 O HOH A 3035 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 MET A 360 N - CA - C ANGL. DEV. = -16.5 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 LYS A 69 49.30 -86.14 REMARK 500 ARG A 109 74.44 -63.87 REMARK 500 LYS A 110 -85.27 -129.19 REMARK 500 GLN A 112 92.39 -19.21 REMARK 500 SER A 116 76.28 -110.27 REMARK 500 PRO A 117 -78.60 -43.60 REMARK 500 SER A 262 -177.11 -64.31 REMARK 500 ASN A 285 27.44 -149.00 REMARK 500 ALA A 353 70.59 -158.93 REMARK 500 ARG A 374 -137.39 -118.09 REMARK 500 LYS B 110 -30.17 -133.24 REMARK 500 LEU B 111 27.03 -61.24 REMARK 500 GLN B 112 -167.92 -69.78 REMARK 500 ARG B 114 157.78 -43.91 REMARK 500 PRO B 115 164.28 -42.04 REMARK 500 ASP B 202 51.15 -106.21 REMARK 500 GLN B 259 -105.94 3.10 REMARK 500 ASP B 260 47.22 -78.37 REMARK 500 SER B 262 -169.34 -79.26 REMARK 500 ASN B 285 26.77 -147.92 REMARK 500 PRO B 298 127.68 -37.81 REMARK 500 ALA B 353 69.62 -156.20 REMARK 500 THR B 366 -62.08 -94.33 REMARK 500 ARG B 374 -139.08 -120.54 REMARK 500 PRO B 481 10.55 -56.63 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 600 REMARK 600 N-(4-CHLOROPHENYL)-N'-HYDROXYGUANIDINE IS FOUND AT THE REMARK 600 ACTIVE SITE AND THE PTERIN SITE IN BOTH SUBUNITS. 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 105.7 REMARK 620 3 CYS B 96 SG 119.4 107.9 REMARK 620 4 CYS B 101 SG 107.4 104.9 110.5 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 100.1 REMARK 620 3 HEM A1500 NB 93.3 87.5 REMARK 620 4 HEM A1500 NC 101.7 158.2 89.7 REMARK 620 5 HEM A1500 ND 101.7 88.9 165.0 88.3 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 96.1 REMARK 620 3 CAC A 950 C2 95.9 94.4 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 102.8 REMARK 620 3 HEM B2500 NB 96.0 89.0 REMARK 620 4 HEM B2500 NC 99.4 157.8 88.8 REMARK 620 5 HEM B2500 ND 96.3 88.3 167.7 89.3 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 95.5 REMARK 620 3 CAC B 950 C2 93.7 95.5 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 1860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 950 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 2850 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 2860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC B 950 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PH3 A 1780 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PH3 B 1785 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 2500 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PH3 A 2785 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PH3 B 2780 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4NSE RELATED DB: PDB REMARK 900 BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH REMARK 900 L-ARGININE DBREF 1DM6 A 39 482 UNP P29473 NOS3_BOVIN 39 482 DBREF 1DM6 B 39 482 UNP P29473 NOS3_BOVIN 39 482 SEQADV 1DM6 ARG A 100 UNP P29473 CYS 100 CONFLICT SEQADV 1DM6 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 A1860 4 HET CAC A 950 3 HET ZN A 900 1 HET HEM A1500 43 HET PH3 A1780 12 HET PH3 A2785 12 HET ACT B2850 4 HET ACT B2860 4 HET CAC B 950 3 HET PH3 B1785 12 HET HEM B2500 43 HET PH3 B2780 12 HETNAM ACT ACETATE ION HETNAM CAC CACODYLATE ION HETNAM ZN ZINC ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM PH3 N-(CHLOROPHENYL)-N'-HYDROXYGUANIDINE HETSYN CAC DIMETHYLARSINATE HETSYN HEM HEME FORMUL 3 ACT 4(C2 H3 O2 1-) FORMUL 5 CAC 2(C2 H6 AS O2 1-) FORMUL 6 ZN ZN 2+ FORMUL 7 HEM 2(C34 H32 FE N4 O4) FORMUL 8 PH3 4(C7 H8 CL N3 O) FORMUL 16 HOH *516(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 HIS A 279 1 11 HELIX 9 9 PRO A 308 VAL A 312 5 5 HELIX 10 10 TRP A 324 GLY A 329 5 6 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 4 GLN A 196 ASP A 199 0 SHEET 2 B 4 ALA A 229 VAL A 232 1 O ILE A 230 N PHE A 198 SHEET 3 B 4 PHE A 355 SER A 356 -1 N SER A 356 O ALA A 229 SHEET 4 B 4 ALA A 337 VAL A 338 -1 O VAL A 338 N PHE A 355 SHEET 1 C 3 ARG A 244 ILE A 245 0 SHEET 2 C 3 LEU A 293 GLN A 296 -1 N GLN A 296 O ARG A 244 SHEET 3 C 3 GLU A 303 PHE A 305 -1 N GLU A 303 O LEU A 295 SHEET 1 D 2 GLY A 255 ARG A 257 0 SHEET 2 D 2 VAL A 263 GLY A 265 -1 O ARG A 264 N TYR A 256 SHEET 1 E 2 GLU A 314 PRO A 316 0 SHEET 2 E 2 ARG A 331 TYR A 333 -1 O TRP A 332 N VAL A 315 SHEET 1 F 3 LEU A 348 PHE A 350 0 SHEET 2 F 3 LEU A 342 ILE A 345 -1 O LEU A 343 N PHE A 350 SHEET 3 F 3 ALA A 474 ARG A 476 -1 O ALA A 474 N GLU A 344 SHEET 1 G 2 ARG B 72 LYS B 74 0 SHEET 2 G 2 ILE B 81 TYR B 83 -1 O THR B 82 N VAL B 73 SHEET 1 H 4 GLN B 196 ASP B 199 0 SHEET 2 H 4 ALA B 229 VAL B 232 1 O ILE B 230 N PHE B 198 SHEET 3 H 4 PHE B 355 SER B 356 -1 N SER B 356 O ALA B 229 SHEET 4 H 4 ALA B 337 VAL B 338 -1 O VAL B 338 N PHE B 355 SHEET 1 I 3 ARG B 244 ILE B 245 0 SHEET 2 I 3 LEU B 293 GLN B 296 -1 N GLN B 296 O ARG B 244 SHEET 3 I 3 GLU B 303 PHE B 305 -1 N GLU B 303 O LEU B 295 SHEET 1 J 2 GLY B 255 GLN B 258 0 SHEET 2 J 2 SER B 262 GLY B 265 -1 O SER B 262 N GLN B 258 SHEET 1 K 2 GLU B 314 PRO B 316 0 SHEET 2 K 2 ARG B 331 TYR B 333 -1 O TRP B 332 N VAL B 315 SHEET 1 L 3 LEU B 348 PHE B 350 0 SHEET 2 L 3 LEU B 342 ILE B 345 -1 O LEU B 343 N PHE B 350 SHEET 3 L 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 2.30 LINK SG CYS A 101 ZN ZN A 900 1555 1555 2.29 LINK SG CYS A 186 FE HEM A1500 1555 1555 2.24 LINK SG CYS A 384 AS CAC A 950 1555 1555 2.30 LINK ZN ZN A 900 SG CYS B 96 1555 1555 2.27 LINK ZN ZN A 900 SG CYS B 101 1555 1555 2.28 LINK SG CYS B 186 FE HEM B2500 1555 1555 2.28 LINK SG CYS B 384 AS CAC B 950 1555 1555 2.30 CISPEP 1 SER A 472 PRO A 473 0 -1.36 CISPEP 2 SER B 472 PRO B 473 0 0.95 SITE 1 AC1 4 ARG A 252 ASN A 368 ARG A 374 HOH A2799 SITE 1 AC2 7 GLY A 188 TRP A 358 VAL A 420 SER A 428 SITE 2 AC2 7 HOH A2809 HOH A3054 HOH A3057 SITE 1 AC3 4 TRP A 324 CYS A 384 LYS A 438 GLY A 441 SITE 1 AC4 5 GLN B 249 ARG B 252 ASN B 368 ARG B 374 SITE 2 AC4 5 HOH B2872 SITE 1 AC5 7 GLY B 188 TRP B 358 VAL B 420 SER B 428 SITE 2 AC5 7 HOH B2876 HOH B2955 HOH B3096 SITE 1 AC6 3 TYR B 83 TRP B 324 CYS B 384 SITE 1 AC7 4 CYS A 96 CYS A 101 CYS B 96 CYS B 101 SITE 1 AC8 16 TRP A 180 ARG A 185 CYS A 186 PHE A 355 SITE 2 AC8 16 SER A 356 TRP A 358 TRP A 449 PHE A 475 SITE 3 AC8 16 TYR A 477 PH3 A1780 HOH A2850 HOH A2923 SITE 4 AC8 16 HOH A2952 HOH A2976 HOH A3036 PH3 B1785 SITE 1 AC9 6 VAL A 338 GLY A 357 TRP A 358 GLU A 363 SITE 2 AC9 6 HEM A1500 HOH A2956 SITE 1 BC1 12 SER A 104 ARG A 367 ALA A 448 TRP A 449 SITE 2 BC1 12 HEM A1500 HOH A2976 TRP B 447 PHE B 462 SITE 3 BC1 12 HIS B 463 GLN B 464 GLU B 465 HOH B2928 SITE 1 BC2 15 PH3 A2785 TRP B 180 ARG B 185 CYS B 186 SITE 2 BC2 15 SER B 228 PHE B 355 SER B 356 TRP B 358 SITE 3 BC2 15 GLU B 363 TRP B 449 PHE B 475 TYR B 477 SITE 4 BC2 15 PH3 B2780 HOH B2993 HOH B3097 SITE 1 BC3 12 TRP A 447 PHE A 462 HIS A 463 GLN A 464 SITE 2 BC3 12 GLU A 465 SER B 104 ARG B 367 ALA B 448 SITE 3 BC3 12 TRP B 449 HEM B2500 HOH B2968 HOH B3097 SITE 1 BC4 6 VAL B 338 GLY B 357 TRP B 358 GLU B 363 SITE 2 BC4 6 HEM B2500 HOH B2938 CRYST1 57.880 106.430 155.920 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 0.017277 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009396 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006414 0.00000