HEADER OXIDOREDUCTASE/TRANSFERASE 14-DEC-99 1DWX TITLE MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER N- TITLE 2 HYDROXYARGININE AND TETRAHYDROBIOPTERIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: OXYGENASE DOMAIN 65-498; COMPND 5 SYNONYM: INDUCIBLE NOS TYPE II, MAC-NOS; COMPND 6 EC: 1.14.13.39; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: MURINE INDUCIBLE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 CELL: MACROPHAGE; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PCWORI KEYWDS OXIDOREDUCTASE TRANSFERASE COMPLEX, COMPLEX (OXIDOREDUCTASE- KEYWDS 2 TRANSFERASE), NITRIC OXIDE MONOOXYGENASE, HEME, DIMER, INTERMEDIATE, KEYWDS 3 PTERIN, H4B, TETRAHYDROBIOPTERIN, OXIDOREDUCTASE-TRANSFERASE COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.R.CRANE,A.S.ARVAI,E.D.GETZOFF,D.J.STUEHR,J.A.TAINER REVDAT 6 08-MAY-24 1DWX 1 REMARK LINK REVDAT 5 16-JUN-09 1DWX 1 REMARK REVDAT 4 24-FEB-09 1DWX 1 VERSN REVDAT 3 04-MAY-00 1DWX 1 JRNL REVDAT 2 10-APR-00 1DWX 1 REMARK REVDAT 1 06-FEB-00 1DWX 0 JRNL AUTH B.R.CRANE,A.S.ARVAI,S.GHOSH,E.D.GETZOFF,D.J.STUEHR, JRNL AUTH 2 J.A.TAINER JRNL TITL STRUCTURES OF THE N(OMEGA)-HYDROXY-L-ARGININE COMPLEX OF JRNL TITL 2 INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER WITH ACTIVE JRNL TITL 3 ANDINACTIVE PTERINS JRNL REF BIOCHEMISTRY V. 39 4608 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10769116 JRNL DOI 10.1021/BI992409A REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.R.CRANE,R.A.ROSENFELD,A.S.ARVAI,D.K.GHOSH,S.GHOSH, REMARK 1 AUTH 2 J.A.TAINER,D.J.STUEHR,E.D.GETZOFF REMARK 1 TITL N-TERMINAL DOMAIN SWAPPING AND METAL ION BINDING IN NITRIC REMARK 1 TITL 2 OXIDE SYNTHASE DIMERIZATION REMARK 1 REF EMBO J. V. 18 6271 1999 REMARK 1 REFN ISSN 0261-4189 REMARK 1 PMID 10562539 REMARK 1 DOI 10.1093/EMBOJ/18.22.6271 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.K.GHOSH,B.R.CRANE,S.GHOSH,D.WOLAN,R.GACHHUI,C.CROOKS, REMARK 1 AUTH 2 A.PRESTA,J.A.TAINER,E.D.GETZOFF,D.J.STUEHR REMARK 1 TITL INDUCIBLE NITRIC OXIDE SYNTHASE: ROLE OF THE N-TERMINAL REMARK 1 TITL 2 BETA-HAIRPIN HOOK AND PTERIN-BINDING SEGMENT IN DIMERIZATION REMARK 1 TITL 3 AND TETRAHYDROBIOPTERIN INTERACTION REMARK 1 REF EMBO J. V. 18 6260 1999 REMARK 1 REFN ISSN 0261-4189 REMARK 1 PMID 10562538 REMARK 1 DOI 10.1093/EMBOJ/18.22.6260 REMARK 1 REFERENCE 3 REMARK 1 AUTH B.R.CRANE,A.S.ARVAI,D.K.GHOSH,C.WU,E.D.GETZOFF,D.J.STUEHR, REMARK 1 AUTH 2 J.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 PMID 9516116 REMARK 1 DOI 10.1126/SCIENCE.279.5359.2121 REMARK 1 REFERENCE 4 REMARK 1 AUTH B.R.CRANE,A.S.ARVAI,R.GACHHUI,C.WU,D.K.GHOSH,E.D.GETZOFF, REMARK 1 AUTH 2 D.J.STUEHR,J.A.TAINER REMARK 1 TITL THE STRUCTURE OF NITRIC OXIDE SYNTHASE OXYGENASE DOMAIN AND REMARK 1 TITL 2 INHIBITOR COMPLEXES REMARK 1 REF SCIENCE V. 278 425 1997 REMARK 1 REFN ISSN 0036-8075 REMARK 1 PMID 9334294 REMARK 1 DOI 10.1126/SCIENCE.278.5337.425 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 6199687.450 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 46622 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) : 0.238 REMARK 3 FREE R VALUE : 0.278 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2303 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.76 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 6696 REMARK 3 BIN R VALUE (WORKING SET) : 0.3730 REMARK 3 BIN FREE R VALUE : 0.4070 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 336 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6732 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 151 REMARK 3 SOLVENT ATOMS : 352 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 52.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 51.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.98000 REMARK 3 B22 (A**2) : -0.98000 REMARK 3 B33 (A**2) : 1.95000 REMARK 3 B12 (A**2) : 0.33000 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) : 0.40 REMARK 3 ESD FROM SIGMAA (A) : 0.60 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) : 0.48 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.65 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) : 23.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.190 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) : 3.140 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.920 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.500 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.330 ; 2.500 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : 0.04 ; 100 REMARK 3 GROUP 1 B-FACTOR (A**2) : 2.1 ; 0.95 REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX. REMARK 3 PARAMETER FILE 2 : PARAM19X.HEME REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX. REMARK 3 TOPOLOGY FILE 2 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 3 : TOPH19X.H4B REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DWX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-DEC-99. REMARK 100 THE DEPOSITION ID IS D_1290004464. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-98 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 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 : 46622 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.72 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.32800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: X-PLOR 3.8 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 70.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.06667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 76.13333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 57.10000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 95.16667 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 19.03333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 38.06667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 76.13333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 95.16667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 57.10000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 19.03333 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 10840 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33710 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -118.7 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 -1.000000 0.000000 0.000000 212.98000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 57.10000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 10130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -79.3 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 319.47000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 184.44609 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 190.33333 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A2062 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2140 LIES ON A SPECIAL POSITION. REMARK 375 HOH B2171 LIES ON A SPECIAL POSITION. REMARK 375 HOH B2172 LIES ON A SPECIAL POSITION. REMARK 375 HOH B2173 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 EACH NOS DIMER IS COVALENTLY LINKED BY A SYMMETRIC REMARK 400 DISULFIDE BOND INVOLVING CYS 109 FROM EACH SUBUNIT REMARK 400 REMARK 400 NOH-L-ARGININE (HAR) IS LIKELY PROTONATED ON N OMEGA AT THE REMARK 400 PH 6.0 OF THESE CRYSTALS 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 PHE A 102 REMARK 465 THR A 103 REMARK 465 CYS A 104 REMARK 465 LYS A 105 REMARK 465 SER A 106 REMARK 465 LYS A 107 REMARK 465 SER B 100 REMARK 465 ASP B 101 REMARK 465 PHE B 102 REMARK 465 THR B 103 REMARK 465 CYS B 104 REMARK 465 LYS B 105 REMARK 465 SER B 106 REMARK 465 LYS B 107 REMARK 465 SER B 108 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 SG CYS B 109 SG CYS B 109 9766 1.72 REMARK 500 SG CYS A 109 SG CYS A 109 11655 1.80 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 PRO A 123 C - N - CA ANGL. DEV. = 10.9 DEGREES REMARK 500 GLY A 365 N - CA - C ANGL. DEV. = -15.3 DEGREES REMARK 500 PRO B 123 C - N - CA ANGL. DEV. = 9.0 DEGREES REMARK 500 ASP B 309 CB - CG - OD1 ANGL. DEV. = 6.5 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 THR A 99 -150.19 -79.07 REMARK 500 SER A 100 -110.65 -63.11 REMARK 500 ASN A 115 76.26 -114.30 REMARK 500 PHE A 148 176.77 -50.36 REMARK 500 GLU A 150 78.90 -118.95 REMARK 500 ALA A 151 137.76 -22.32 REMARK 500 LYS A 152 71.48 -104.39 REMARK 500 ARG A 197 -4.28 -54.32 REMARK 500 SER A 212 -8.47 -144.64 REMARK 500 ILE A 234 137.91 -39.06 REMARK 500 SER A 245 -89.24 -99.74 REMARK 500 ASP A 268 24.23 -77.42 REMARK 500 THR A 270 -169.53 -70.05 REMARK 500 TYR A 293 74.63 23.94 REMARK 500 ASP A 309 154.61 -44.88 REMARK 500 LYS A 329 -55.12 -125.02 REMARK 500 PRO A 359 1.46 -67.42 REMARK 500 CYS A 361 61.01 -163.94 REMARK 500 VAL A 374 -61.22 -93.09 REMARK 500 ARG A 382 -137.64 -116.03 REMARK 500 GLN A 423 21.35 -78.71 REMARK 500 CYS A 451 105.56 -168.20 REMARK 500 LEU A 479 -169.64 -106.05 REMARK 500 ASN B 115 65.10 -118.62 REMARK 500 ASP B 125 -45.73 -130.58 REMARK 500 ASN B 202 77.99 -107.92 REMARK 500 SER B 212 -11.58 -145.58 REMARK 500 ILE B 234 136.19 -39.88 REMARK 500 SER B 245 -80.25 -100.70 REMARK 500 ASP B 268 25.56 -70.60 REMARK 500 THR B 270 -170.22 -66.82 REMARK 500 THR B 277 30.55 -94.59 REMARK 500 TYR B 293 88.41 43.73 REMARK 500 ASP B 306 53.60 37.81 REMARK 500 PRO B 316 105.43 -53.84 REMARK 500 LYS B 329 -40.42 -135.30 REMARK 500 CYS B 361 73.14 -163.89 REMARK 500 ARG B 375 -70.14 -68.46 REMARK 500 ARG B 382 -139.27 -121.69 REMARK 500 CYS B 451 101.26 -170.33 REMARK 500 PRO B 461 6.93 -67.07 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 B2021 DISTANCE = 6.73 ANGSTROMS REMARK 525 HOH B2033 DISTANCE = 5.91 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 901 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 194 SG REMARK 620 2 HEM A 901 NA 112.9 REMARK 620 3 HEM A 901 NB 99.1 85.7 REMARK 620 4 HEM A 901 NC 97.1 149.9 87.0 REMARK 620 5 HEM A 901 ND 104.4 87.6 156.3 87.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 901 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 194 SG REMARK 620 2 HEM B 901 NA 108.6 REMARK 620 3 HEM B 901 NB 92.2 87.8 REMARK 620 4 HEM B 901 NC 95.5 155.8 89.4 REMARK 620 5 HEM B 901 ND 102.1 88.7 165.7 88.2 REMARK 620 N 1 2 3 4 REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: KABSCH AND SANDER REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 903 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B A 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HAR A 906 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B B 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HAR B 906 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DWV RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER N- REMARK 900 HYDROXYARGININE AND 4-AMINO TETRAHYDROBIOPTERIN REMARK 900 RELATED ID: 1DWW RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER N- REMARK 900 HYDROXYARGININE AND DIHYDROBIOPTERIN REMARK 900 RELATED ID: 1QOM RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER (DELTA 65) REMARK 900 WITH SWAPPED N-TERMINAL HOOK REMARK 900 RELATED ID: 1NOC RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DOMAIN (DELTA 114) REMARK 900 COMPLEXED WITH TYPE I E. COLI CHLORAMPHENICOL ACETYL TRANSFERASE REMARK 900 AND IMIDAZOLE REMARK 900 RELATED ID: 1NOS RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DOMAIN (DELTA 114), REMARK 900 IMIDAZOLE COMPLEX REMARK 900 RELATED ID: 2NOS RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DOMAIN (DELTA 114), REMARK 900 AMINOGUANIDINE COMPLEX REMARK 900 RELATED ID: 1NOD RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER (DELTA 65) REMARK 900 WITH TETRAHYDROBIOPTERIN AND SUBSTRATE L-ARGININE REMARK 900 RELATED ID: 2NOD RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER (DELTA 65) REMARK 900 WITH TETRAHYDROBIOPTERIN AND WATER BOUND IN ACTIVE CENTER REMARK 900 RELATED ID: 3NOD RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER (DELTA 65) REMARK 900 WITH TETRAHYDROBIOPTERIN AND PRODUCT ANALOGUE L-THIOCITRULLINE REMARK 999 REMARK 999 SEQUENCE REMARK 999 PROTEIN WAS EXPRESSED WITH A COOH-TERMINAL HIS6 TAG. DBREF 1DWX A 77 496 UNP P29477 NOS2_MOUSE 77 496 DBREF 1DWX B 77 496 UNP P29477 NOS2_MOUSE 77 496 SEQRES 1 A 420 GLN TYR VAL ARG ILE LYS ASN TRP GLY SER GLY GLU ILE SEQRES 2 A 420 LEU HIS ASP THR LEU HIS HIS LYS ALA THR SER ASP PHE SEQRES 3 A 420 THR CYS LYS SER LYS SER CYS LEU GLY SER ILE MET ASN SEQRES 4 A 420 PRO LYS SER LEU THR ARG GLY PRO ARG ASP LYS PRO THR SEQRES 5 A 420 PRO LEU GLU GLU LEU LEU PRO HIS ALA ILE GLU PHE ILE SEQRES 6 A 420 ASN GLN TYR TYR GLY SER PHE LYS GLU ALA LYS ILE GLU SEQRES 7 A 420 GLU HIS LEU ALA ARG LEU GLU ALA VAL THR LYS GLU ILE SEQRES 8 A 420 GLU THR THR GLY THR TYR GLN LEU THR LEU ASP GLU LEU SEQRES 9 A 420 ILE PHE ALA THR LYS MET ALA TRP ARG ASN ALA PRO ARG SEQRES 10 A 420 CYS ILE GLY ARG ILE GLN TRP SER ASN LEU GLN VAL PHE SEQRES 11 A 420 ASP ALA ARG ASN CYS SER THR ALA GLN GLU MET PHE GLN SEQRES 12 A 420 HIS ILE CYS ARG HIS ILE LEU TYR ALA THR ASN ASN GLY SEQRES 13 A 420 ASN ILE ARG SER ALA ILE THR VAL PHE PRO GLN ARG SER SEQRES 14 A 420 ASP GLY LYS HIS ASP PHE ARG LEU TRP ASN SER GLN LEU SEQRES 15 A 420 ILE ARG TYR ALA GLY TYR GLN MET PRO ASP GLY THR ILE SEQRES 16 A 420 ARG GLY ASP ALA ALA THR LEU GLU PHE THR GLN LEU CYS SEQRES 17 A 420 ILE ASP LEU GLY TRP LYS PRO ARG TYR GLY ARG PHE ASP SEQRES 18 A 420 VAL LEU PRO LEU VAL LEU GLN ALA ASP GLY GLN ASP PRO SEQRES 19 A 420 GLU VAL PHE GLU ILE PRO PRO ASP LEU VAL LEU GLU VAL SEQRES 20 A 420 THR MET GLU HIS PRO LYS TYR GLU TRP PHE GLN GLU LEU SEQRES 21 A 420 GLY LEU LYS TRP TYR ALA LEU PRO ALA VAL ALA ASN MET SEQRES 22 A 420 LEU LEU GLU VAL GLY GLY LEU GLU PHE PRO ALA CYS PRO SEQRES 23 A 420 PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY VAL ARG SEQRES 24 A 420 ASP PHE CYS ASP THR GLN ARG TYR ASN ILE LEU GLU GLU SEQRES 25 A 420 VAL GLY ARG ARG MET GLY LEU GLU THR HIS THR LEU ALA SEQRES 26 A 420 SER LEU TRP LYS ASP ARG ALA VAL THR GLU ILE ASN VAL SEQRES 27 A 420 ALA VAL LEU HIS SER PHE GLN LYS GLN ASN VAL THR ILE SEQRES 28 A 420 MET ASP HIS HIS THR ALA SER GLU SER PHE MET LYS HIS SEQRES 29 A 420 MET GLN ASN GLU TYR ARG ALA ARG GLY GLY CYS PRO ALA SEQRES 30 A 420 ASP TRP ILE TRP LEU VAL PRO PRO VAL SER GLY SER ILE SEQRES 31 A 420 THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR VAL LEU SEQRES 32 A 420 SER PRO PHE TYR TYR TYR GLN ILE GLU PRO TRP LYS THR SEQRES 33 A 420 HIS ILE TRP GLN SEQRES 1 B 420 GLN TYR VAL ARG ILE LYS ASN TRP GLY SER GLY GLU ILE SEQRES 2 B 420 LEU HIS ASP THR LEU HIS HIS LYS ALA THR SER ASP PHE SEQRES 3 B 420 THR CYS LYS SER LYS SER CYS LEU GLY SER ILE MET ASN SEQRES 4 B 420 PRO LYS SER LEU THR ARG GLY PRO ARG ASP LYS PRO THR SEQRES 5 B 420 PRO LEU GLU GLU LEU LEU PRO HIS ALA ILE GLU PHE ILE SEQRES 6 B 420 ASN GLN TYR TYR GLY SER PHE LYS GLU ALA LYS ILE GLU SEQRES 7 B 420 GLU HIS LEU ALA ARG LEU GLU ALA VAL THR LYS GLU ILE SEQRES 8 B 420 GLU THR THR GLY THR TYR GLN LEU THR LEU ASP GLU LEU SEQRES 9 B 420 ILE PHE ALA THR LYS MET ALA TRP ARG ASN ALA PRO ARG SEQRES 10 B 420 CYS ILE GLY ARG ILE GLN TRP SER ASN LEU GLN VAL PHE SEQRES 11 B 420 ASP ALA ARG ASN CYS SER THR ALA GLN GLU MET PHE GLN SEQRES 12 B 420 HIS ILE CYS ARG HIS ILE LEU TYR ALA THR ASN ASN GLY SEQRES 13 B 420 ASN ILE ARG SER ALA ILE THR VAL PHE PRO GLN ARG SER SEQRES 14 B 420 ASP GLY LYS HIS ASP PHE ARG LEU TRP ASN SER GLN LEU SEQRES 15 B 420 ILE ARG TYR ALA GLY TYR GLN MET PRO ASP GLY THR ILE SEQRES 16 B 420 ARG GLY ASP ALA ALA THR LEU GLU PHE THR GLN LEU CYS SEQRES 17 B 420 ILE ASP LEU GLY TRP LYS PRO ARG TYR GLY ARG PHE ASP SEQRES 18 B 420 VAL LEU PRO LEU VAL LEU GLN ALA ASP GLY GLN ASP PRO SEQRES 19 B 420 GLU VAL PHE GLU ILE PRO PRO ASP LEU VAL LEU GLU VAL SEQRES 20 B 420 THR MET GLU HIS PRO LYS TYR GLU TRP PHE GLN GLU LEU SEQRES 21 B 420 GLY LEU LYS TRP TYR ALA LEU PRO ALA VAL ALA ASN MET SEQRES 22 B 420 LEU LEU GLU VAL GLY GLY LEU GLU PHE PRO ALA CYS PRO SEQRES 23 B 420 PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY VAL ARG SEQRES 24 B 420 ASP PHE CYS ASP THR GLN ARG TYR ASN ILE LEU GLU GLU SEQRES 25 B 420 VAL GLY ARG ARG MET GLY LEU GLU THR HIS THR LEU ALA SEQRES 26 B 420 SER LEU TRP LYS ASP ARG ALA VAL THR GLU ILE ASN VAL SEQRES 27 B 420 ALA VAL LEU HIS SER PHE GLN LYS GLN ASN VAL THR ILE SEQRES 28 B 420 MET ASP HIS HIS THR ALA SER GLU SER PHE MET LYS HIS SEQRES 29 B 420 MET GLN ASN GLU TYR ARG ALA ARG GLY GLY CYS PRO ALA SEQRES 30 B 420 ASP TRP ILE TRP LEU VAL PRO PRO VAL SER GLY SER ILE SEQRES 31 B 420 THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR VAL LEU SEQRES 32 B 420 SER PRO PHE TYR TYR TYR GLN ILE GLU PRO TRP LYS THR SEQRES 33 B 420 HIS ILE TRP GLN HET HEM A 901 43 HET H4B A 902 17 HET SO4 A 903 5 HET HAR A 906 13 HET HEM B 901 43 HET H4B B 902 17 HET HAR B 906 13 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM SO4 SULFATE ION HETNAM HAR N-OMEGA-HYDROXY-L-ARGININE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 H4B 2(C9 H15 N5 O3) FORMUL 5 SO4 O4 S 2- FORMUL 6 HAR 2(C6 H14 N4 O3) FORMUL 10 HOH *352(H2 O) HELIX 1 1 THR A 93 ALA A 98 5 6 HELIX 2 2 PRO A 116 LEU A 119 5 4 HELIX 3 3 PRO A 129 GLY A 146 1 18 HELIX 4 4 LYS A 152 GLY A 171 1 20 HELIX 5 5 THR A 176 ASN A 190 1 15 HELIX 6 6 GLY A 196 TRP A 200 5 5 HELIX 7 7 THR A 213 ASN A 230 1 18 HELIX 8 8 ASN A 231 ASN A 233 5 3 HELIX 9 9 THR A 277 LEU A 287 1 11 HELIX 10 10 PHE A 333 GLY A 337 5 5 HELIX 11 11 GLY A 369 VAL A 374 1 6 HELIX 12 12 VAL A 374 ASP A 379 1 6 HELIX 13 13 ILE A 385 ARG A 392 1 8 HELIX 14 14 THR A 399 SER A 402 5 4 HELIX 15 15 LEU A 403 GLN A 423 1 21 HELIX 16 16 ASP A 429 GLY A 449 1 21 HELIX 17 17 ASP A 454 VAL A 459 1 6 HELIX 18 18 SER A 463 THR A 467 5 5 HELIX 19 19 THR A 467 GLN A 472 5 6 HELIX 20 20 GLU A 488 THR A 492 5 5 HELIX 21 21 THR B 93 ALA B 98 5 6 HELIX 22 22 PRO B 116 LEU B 119 5 4 HELIX 23 23 PRO B 129 TYR B 145 1 17 HELIX 24 24 LYS B 152 GLY B 171 1 20 HELIX 25 25 THR B 176 ASN B 190 1 15 HELIX 26 26 GLY B 196 TRP B 200 5 5 HELIX 27 27 THR B 213 ASN B 230 1 18 HELIX 28 28 ASN B 231 ASN B 233 5 3 HELIX 29 29 THR B 277 LEU B 287 1 11 HELIX 30 30 PRO B 316 VAL B 320 5 5 HELIX 31 31 PHE B 333 GLY B 337 5 5 HELIX 32 32 MET B 368 VAL B 374 1 7 HELIX 33 33 VAL B 374 ASP B 379 1 6 HELIX 34 34 ILE B 385 ARG B 392 1 8 HELIX 35 35 THR B 399 SER B 402 5 4 HELIX 36 36 LEU B 403 GLN B 423 1 21 HELIX 37 37 ASP B 429 GLY B 449 1 21 HELIX 38 38 ASP B 454 VAL B 459 1 6 HELIX 39 39 SER B 463 THR B 467 5 5 HELIX 40 40 THR B 467 GLN B 472 5 6 HELIX 41 41 GLU B 488 THR B 492 5 5 SHEET 1 AA 2 VAL A 79 LYS A 82 0 SHEET 2 AA 2 ILE A 89 ASP A 92 -1 O LEU A 90 N ILE A 81 SHEET 1 AB 4 GLN A 204 ASP A 207 0 SHEET 2 AB 4 ALA A 237 VAL A 240 1 O ILE A 238 N PHE A 206 SHEET 3 AB 4 PHE A 363 ASN A 364 -1 O ASN A 364 N ALA A 237 SHEET 4 AB 4 ALA A 345 VAL A 346 -1 O VAL A 346 N PHE A 363 SHEET 1 AC 3 ARG A 252 LEU A 253 0 SHEET 2 AC 3 LEU A 301 GLN A 304 -1 O GLN A 304 N ARG A 252 SHEET 3 AC 3 GLU A 311 PHE A 313 -1 O GLU A 311 N LEU A 303 SHEET 1 AD 2 GLY A 263 TYR A 264 0 SHEET 2 AD 2 ARG A 272 GLY A 273 -1 O ARG A 272 N TYR A 264 SHEET 1 AE 2 GLU A 322 THR A 324 0 SHEET 2 AE 2 LYS A 339 TYR A 341 -1 O TRP A 340 N VAL A 323 SHEET 1 AF 3 LEU A 356 PHE A 358 0 SHEET 2 AF 3 LEU A 350 VAL A 353 -1 O LEU A 351 N PHE A 358 SHEET 3 AF 3 PHE A 482 TYR A 484 -1 O PHE A 482 N GLU A 352 SHEET 1 AG 2 TYR A 367 MET A 368 0 SHEET 2 AG 2 ILE A 427 MET A 428 1 N MET A 428 O TYR A 367 SHEET 1 BA 2 VAL B 79 LYS B 82 0 SHEET 2 BA 2 ILE B 89 ASP B 92 -1 O LEU B 90 N ILE B 81 SHEET 1 BB 4 GLN B 204 ASP B 207 0 SHEET 2 BB 4 ALA B 237 VAL B 240 1 O ILE B 238 N PHE B 206 SHEET 3 BB 4 PHE B 363 ASN B 364 -1 O ASN B 364 N ALA B 237 SHEET 4 BB 4 ALA B 345 VAL B 346 -1 O VAL B 346 N PHE B 363 SHEET 1 BC 3 ARG B 252 LEU B 253 0 SHEET 2 BC 3 LEU B 301 GLN B 304 -1 O GLN B 304 N ARG B 252 SHEET 3 BC 3 GLU B 311 PHE B 313 -1 O GLU B 311 N LEU B 303 SHEET 1 BD 2 GLY B 263 TYR B 264 0 SHEET 2 BD 2 ARG B 272 GLY B 273 -1 O ARG B 272 N TYR B 264 SHEET 1 BE 2 GLU B 322 THR B 324 0 SHEET 2 BE 2 LYS B 339 TYR B 341 -1 O TRP B 340 N VAL B 323 SHEET 1 BF 3 LEU B 356 PHE B 358 0 SHEET 2 BF 3 LEU B 350 VAL B 353 -1 O LEU B 351 N PHE B 358 SHEET 3 BF 3 PHE B 482 TYR B 484 -1 O PHE B 482 N GLU B 352 LINK SG CYS A 194 FE HEM A 901 1555 1555 2.37 LINK SG CYS B 194 FE HEM B 901 1555 1555 2.37 CISPEP 1 SER A 480 PRO A 481 0 -0.01 CISPEP 2 SER B 480 PRO B 481 0 -2.73 SITE 1 AC1 4 LEU A 94 LYS A 97 GLN A 143 ARG A 448 SITE 1 AC2 15 TRP A 188 CYS A 194 SER A 236 PHE A 363 SITE 2 AC2 15 ASN A 364 GLY A 365 TRP A 366 GLU A 371 SITE 3 AC2 15 TRP A 457 TYR A 485 H4B A 902 HAR A 906 SITE 4 AC2 15 HOH A2157 HOH A2158 HOH A2159 SITE 1 AC3 15 SER A 112 ARG A 375 TRP A 455 ILE A 456 SITE 2 AC3 15 TRP A 457 PHE A 470 HIS A 471 GLU A 473 SITE 3 AC3 15 HEM A 901 HOH A2137 HOH A2157 HOH A2160 SITE 4 AC3 15 HOH A2161 HOH A2162 HOH A2163 SITE 1 AC4 12 GLN A 257 TYR A 341 PRO A 344 VAL A 346 SITE 2 AC4 12 GLY A 365 TRP A 366 TYR A 367 GLU A 371 SITE 3 AC4 12 ASP A 376 HEM A 901 HOH A2113 HOH A2164 SITE 1 AC5 17 TRP B 188 ARG B 193 CYS B 194 SER B 236 SITE 2 AC5 17 PHE B 363 ASN B 364 GLY B 365 TRP B 366 SITE 3 AC5 17 GLU B 371 TRP B 457 TYR B 483 TYR B 485 SITE 4 AC5 17 H4B B 902 HAR B 906 HOH B2183 HOH B2184 SITE 5 AC5 17 HOH B2185 SITE 1 AC6 15 SER B 112 ARG B 375 TRP B 455 ILE B 456 SITE 2 AC6 15 TRP B 457 PHE B 470 HIS B 471 GLN B 472 SITE 3 AC6 15 GLU B 473 HEM B 901 HOH B2169 HOH B2170 SITE 4 AC6 15 HOH B2174 HOH B2185 HOH B2187 SITE 1 AC7 11 GLN B 257 TYR B 341 PRO B 344 GLY B 365 SITE 2 AC7 11 TRP B 366 TYR B 367 GLU B 371 ASP B 376 SITE 3 AC7 11 HEM B 901 HOH B2133 HOH B2188 CRYST1 212.980 212.980 114.200 90.00 90.00 120.00 P 61 2 2 24 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 0.004695 0.002711 0.000000 0.00000 SCALE2 0.000000 0.005422 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008756 0.00000 MTRIX1 1 -0.863870 -0.503700 -0.003907 291.42731 1 MTRIX2 1 -0.503715 0.863838 0.007455 78.08660 1 MTRIX3 1 0.000380 0.008408 -0.999965 122.68790 1 MTRIX1 2 -0.866206 -0.499593 -0.009731 291.86951 1 MTRIX2 2 -0.499653 0.866210 0.005100 77.41970 1 MTRIX3 2 0.005881 0.009280 -0.999940 122.75170 1 MTRIX1 3 -0.862943 -0.505143 -0.012623 292.31000 1 MTRIX2 3 -0.505258 0.862926 0.008542 78.31740 1 MTRIX3 3 0.006578 0.013749 -0.999884 121.16290 1