HEADER OXIDOREDUCTASE 03-FEB-99 4NOS TITLE HUMAN INDUCIBLE NITRIC OXIDE SYNTHASE WITH INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: INDUCIBLE NITRIC OXIDE SYNTHASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: OXYGENASE DOMAIN; COMPND 5 SYNONYM: INOS, NOS2; COMPND 6 EC: 1.14.13.39; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PINOS60-3 KEYWDS L-ARGININE MONOOXYGENASE, NITRIC OXIDE, HUMAN, ZNS4, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR T.O.FISCHMANN,P.C.WEBER REVDAT 5 27-DEC-23 4NOS 1 REMARK SEQADV LINK REVDAT 4 13-JUL-11 4NOS 1 VERSN REVDAT 3 24-FEB-09 4NOS 1 VERSN REVDAT 2 01-APR-03 4NOS 1 JRNL REVDAT 1 04-FEB-00 4NOS 0 JRNL AUTH T.O.FISCHMANN,A.HRUZA,X.D.NIU,J.D.FOSSETTA,C.A.LUNN, JRNL AUTH 2 E.DOLPHIN,A.J.PRONGAY,P.REICHERT,D.J.LUNDELL,S.K.NARULA, JRNL AUTH 3 P.C.WEBER JRNL TITL STRUCTURAL CHARACTERIZATION OF NITRIC OXIDE SYNTHASE JRNL TITL 2 ISOFORMS REVEALS STRIKING ACTIVE-SITE CONSERVATION. JRNL REF NAT.STRUCT.BIOL. V. 6 233 1999 JRNL REFN ISSN 1072-8368 JRNL PMID 10074942 JRNL DOI 10.1038/6675 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 0.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.7 REMARK 3 NUMBER OF REFLECTIONS : 109101 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) : 0.199 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 5550 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.33 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 80.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 9281 REMARK 3 BIN R VALUE (WORKING SET) : 0.3000 REMARK 3 BIN FREE R VALUE : 0.3400 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 490 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 13680 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 266 REMARK 3 SOLVENT ATOMS : 1371 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.630 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 NCS MODEL : RESTRAINTS 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 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4NOS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-FEB-99. REMARK 100 THE DEPOSITION ID IS D_1000000443. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-DEC-97 REMARK 200 TEMPERATURE (KELVIN) : 100.00 REMARK 200 PH : 6.90 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.2 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 113089 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 18.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.2 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05700 REMARK 200 FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.29 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.7 REMARK 200 DATA REDUNDANCY IN SHELL : 1.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.23000 REMARK 200 FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS REMARK 200 SOFTWARE USED: SHARP, SOLOMON REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.90 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 44.87950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 95.02200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 78.33600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 95.02200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 44.87950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 78.33600 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 10030 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32100 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -114.0 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 9930 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32360 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -114.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 PRO A 82 REMARK 465 GLU A 504 REMARK 465 LYS A 505 REMARK 465 ARG A 506 REMARK 465 ARG A 507 REMARK 465 PRO A 508 REMARK 465 PRO B 82 REMARK 465 GLU B 504 REMARK 465 LYS B 505 REMARK 465 ARG B 506 REMARK 465 ARG B 507 REMARK 465 PRO B 508 REMARK 465 PRO C 82 REMARK 465 GLU C 504 REMARK 465 LYS C 505 REMARK 465 ARG C 506 REMARK 465 ARG C 507 REMARK 465 PRO C 508 REMARK 465 PRO D 82 REMARK 465 GLU D 504 REMARK 465 LYS D 505 REMARK 465 ARG D 506 REMARK 465 ARG D 507 REMARK 465 PRO D 508 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASP A 503 CA C O CB CG OD1 OD2 REMARK 470 ASP B 503 CA C O CB CG OD1 OD2 REMARK 470 ASP C 503 CA C O CB CG OD1 OD2 REMARK 470 ASP D 503 CA C O CB CG OD1 OD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O ASP C 137 O HOH B 1165 4455 2.19 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 C 129 C - N - CA ANGL. DEV. = 9.6 DEGREES REMARK 500 ARG D 221 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG D 221 NE - CZ - NH2 ANGL. DEV. = -3.2 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 158 85.19 -152.79 REMARK 500 ARG A 203 -12.67 -48.02 REMARK 500 ALA A 214 39.62 -143.47 REMARK 500 SER A 218 -11.03 -144.48 REMARK 500 ASN A 236 43.59 36.79 REMARK 500 SER A 251 -78.48 -99.72 REMARK 500 LYS A 335 -33.77 -131.88 REMARK 500 CYS A 367 65.62 -163.06 REMARK 500 ARG A 388 -133.14 -118.07 REMARK 500 CYS A 457 93.50 -174.32 REMARK 500 LEU A 485 -166.80 -102.73 REMARK 500 SER B 114 143.72 -171.24 REMARK 500 THR B 121 66.69 -114.78 REMARK 500 LYS B 158 73.70 -107.26 REMARK 500 SER B 218 -23.58 -142.32 REMARK 500 ASN B 236 42.97 39.25 REMARK 500 SER B 251 -87.20 -98.31 REMARK 500 CYS B 367 65.23 -163.13 REMARK 500 ARG B 388 -137.10 -124.32 REMARK 500 CYS B 457 96.15 -164.12 REMARK 500 GLN B 502 -168.74 -117.75 REMARK 500 SER C 114 134.97 -170.56 REMARK 500 TRP C 206 -28.79 -38.79 REMARK 500 ASN C 236 38.30 30.56 REMARK 500 ILE C 240 133.42 -37.10 REMARK 500 SER C 251 -84.47 -98.70 REMARK 500 ASP C 274 38.60 -76.95 REMARK 500 SER C 276 171.01 177.10 REMARK 500 TYR C 299 41.32 73.32 REMARK 500 LYS C 335 -33.66 -131.88 REMARK 500 PRO C 365 1.78 -68.15 REMARK 500 CYS C 367 56.09 -157.72 REMARK 500 ARG C 388 -136.66 -130.92 REMARK 500 ILE C 433 144.52 -171.34 REMARK 500 CYS C 457 92.97 -167.30 REMARK 500 TRP D 206 -29.83 -36.37 REMARK 500 ASN D 208 79.67 -106.00 REMARK 500 SER D 218 -19.44 -142.47 REMARK 500 ASN D 236 45.17 31.90 REMARK 500 SER D 251 -85.66 -108.28 REMARK 500 LYS D 335 -33.66 -132.61 REMARK 500 TRP D 338 -9.72 -58.77 REMARK 500 CYS D 367 61.66 -160.11 REMARK 500 ARG D 388 -133.09 -118.59 REMARK 500 CYS D 457 88.01 -177.69 REMARK 500 GLN D 502 -73.77 -69.58 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 HIGH-SPIN STATE REMARK 600 REMARK 600 ZNS4 CLUSTER LOCATED AT THE DIMER INTERFACE 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 A3000 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 110 SG REMARK 620 2 CYS A 115 SG 108.8 REMARK 620 3 CYS B 110 SG 110.5 116.4 REMARK 620 4 CYS B 115 SG 106.6 106.3 107.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 510 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 200 SG REMARK 620 2 HEM A 510 NA 111.8 REMARK 620 3 HEM A 510 NB 106.3 86.7 REMARK 620 4 HEM A 510 NC 94.6 153.4 89.1 REMARK 620 5 HEM A 510 ND 99.3 88.1 153.9 84.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B1010 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 200 SG REMARK 620 2 HEM B1010 NA 105.2 REMARK 620 3 HEM B1010 NB 101.5 91.6 REMARK 620 4 HEM B1010 NC 98.1 156.7 85.7 REMARK 620 5 HEM B1010 ND 100.6 87.2 157.4 86.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN C2000 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 110 SG REMARK 620 2 CYS C 115 SG 108.5 REMARK 620 3 CYS D 110 SG 115.8 115.7 REMARK 620 4 CYS D 115 SG 101.6 106.5 107.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C2010 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 200 SG REMARK 620 2 HEM C2010 NA 110.5 REMARK 620 3 HEM C2010 NB 99.7 86.6 REMARK 620 4 HEM C2010 NC 95.7 153.7 86.3 REMARK 620 5 HEM C2010 ND 104.4 88.8 155.5 87.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM D3010 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 200 SG REMARK 620 2 HEM D3010 NA 100.9 REMARK 620 3 HEM D3010 NB 99.4 86.0 REMARK 620 4 HEM D3010 NC 100.7 158.1 86.8 REMARK 620 5 HEM D3010 ND 101.3 89.9 159.3 89.6 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: COF REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: COFACTORS REMARK 800 REMARK 800 SITE_IDENTIFIER: SUB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: INHIBITOR REMARK 800 REMARK 800 SITE_IDENTIFIER: ZNB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ZN BINDING SITE AT THE DIMERIZATION INTERFACE 2 REMARK 800 MOTIFS CX4C REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 3000 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 2000 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 510 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H2B A 511 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ITU A 512 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 1010 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B B 1011 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ITU B 1012 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 2010 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B C 2011 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ITU C 2012 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 3010 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B D 3011 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ITU D 3012 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3NOS RELATED DB: PDB DBREF 4NOS A 82 508 UNP P35228 NOS2A_HUMAN 82 508 DBREF 4NOS B 82 508 UNP P35228 NOS2A_HUMAN 82 508 DBREF 4NOS C 82 508 UNP P35228 NOS2A_HUMAN 82 508 DBREF 4NOS D 82 508 UNP P35228 NOS2A_HUMAN 82 508 SEQADV 4NOS ILE A 423 UNP P35228 LEU 423 CONFLICT SEQADV 4NOS ILE B 423 UNP P35228 LEU 423 CONFLICT SEQADV 4NOS ILE C 423 UNP P35228 LEU 423 CONFLICT SEQADV 4NOS ILE D 423 UNP P35228 LEU 423 CONFLICT SEQRES 1 A 427 PRO ARG HIS VAL ARG ILE LYS ASN TRP GLY SER GLY MET SEQRES 2 A 427 THR PHE GLN ASP THR LEU HIS HIS LYS ALA LYS GLY ILE SEQRES 3 A 427 LEU THR CYS ARG SER LYS SER CYS LEU GLY SER ILE MET SEQRES 4 A 427 THR PRO LYS SER LEU THR ARG GLY PRO ARG ASP LYS PRO SEQRES 5 A 427 THR PRO PRO ASP GLU LEU LEU PRO GLN ALA ILE GLU PHE SEQRES 6 A 427 VAL ASN GLN TYR TYR GLY SER PHE LYS GLU ALA LYS ILE SEQRES 7 A 427 GLU GLU HIS LEU ALA ARG VAL GLU ALA VAL THR LYS GLU SEQRES 8 A 427 ILE GLU THR THR GLY THR TYR GLN LEU THR GLY ASP GLU SEQRES 9 A 427 LEU ILE PHE ALA THR LYS GLN ALA TRP ARG ASN ALA PRO SEQRES 10 A 427 ARG CYS ILE GLY ARG ILE GLN TRP SER ASN LEU GLN VAL SEQRES 11 A 427 PHE ASP ALA ARG SER CYS SER THR ALA ARG GLU MET PHE SEQRES 12 A 427 GLU HIS ILE CYS ARG HIS VAL ARG TYR SER THR ASN ASN SEQRES 13 A 427 GLY ASN ILE ARG SER ALA ILE THR VAL PHE PRO GLN ARG SEQRES 14 A 427 SER ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN ALA GLN SEQRES 15 A 427 LEU ILE ARG TYR ALA GLY TYR GLN MET PRO ASP GLY SER SEQRES 16 A 427 ILE ARG GLY ASP PRO ALA ASN VAL GLU PHE THR GLN LEU SEQRES 17 A 427 CYS ILE ASP LEU GLY TRP LYS PRO LYS TYR GLY ARG PHE SEQRES 18 A 427 ASP VAL VAL PRO LEU VAL LEU GLN ALA ASN GLY ARG ASP SEQRES 19 A 427 PRO GLU LEU PHE GLU ILE PRO PRO ASP LEU VAL LEU GLU SEQRES 20 A 427 VAL ALA MET GLU HIS PRO LYS TYR GLU TRP PHE ARG GLU SEQRES 21 A 427 LEU GLU LEU LYS TRP TYR ALA LEU PRO ALA VAL ALA ASN SEQRES 22 A 427 MET LEU LEU GLU VAL GLY GLY LEU GLU PHE PRO GLY CYS SEQRES 23 A 427 PRO PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY VAL SEQRES 24 A 427 ARG ASP PHE CYS ASP VAL GLN ARG TYR ASN ILE LEU GLU SEQRES 25 A 427 GLU VAL GLY ARG ARG MET GLY LEU GLU THR HIS LYS LEU SEQRES 26 A 427 ALA SER LEU TRP LYS ASP GLN ALA VAL VAL GLU ILE ASN SEQRES 27 A 427 ILE ALA VAL ILE HIS SER PHE GLN LYS GLN ASN VAL THR SEQRES 28 A 427 ILE MET ASP HIS HIS SER ALA ALA GLU SER PHE MET LYS SEQRES 29 A 427 TYR MET GLN ASN GLU TYR ARG SER ARG GLY GLY CYS PRO SEQRES 30 A 427 ALA ASP TRP ILE TRP LEU VAL PRO PRO MET SER GLY SER SEQRES 31 A 427 ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR VAL SEQRES 32 A 427 LEU SER PRO PHE TYR TYR TYR GLN VAL GLU ALA TRP LYS SEQRES 33 A 427 THR HIS VAL TRP GLN ASP GLU LYS ARG ARG PRO SEQRES 1 B 427 PRO ARG HIS VAL ARG ILE LYS ASN TRP GLY SER GLY MET SEQRES 2 B 427 THR PHE GLN ASP THR LEU HIS HIS LYS ALA LYS GLY ILE SEQRES 3 B 427 LEU THR CYS ARG SER LYS SER CYS LEU GLY SER ILE MET SEQRES 4 B 427 THR PRO LYS SER LEU THR ARG GLY PRO ARG ASP LYS PRO SEQRES 5 B 427 THR PRO PRO ASP GLU LEU LEU PRO GLN ALA ILE GLU PHE SEQRES 6 B 427 VAL ASN GLN TYR TYR GLY SER PHE LYS GLU ALA LYS ILE SEQRES 7 B 427 GLU GLU HIS LEU ALA ARG VAL GLU ALA VAL THR LYS GLU SEQRES 8 B 427 ILE GLU THR THR GLY THR TYR GLN LEU THR GLY ASP GLU SEQRES 9 B 427 LEU ILE PHE ALA THR LYS GLN ALA TRP ARG ASN ALA PRO SEQRES 10 B 427 ARG CYS ILE GLY ARG ILE GLN TRP SER ASN LEU GLN VAL SEQRES 11 B 427 PHE ASP ALA ARG SER CYS SER THR ALA ARG GLU MET PHE SEQRES 12 B 427 GLU HIS ILE CYS ARG HIS VAL ARG TYR SER THR ASN ASN SEQRES 13 B 427 GLY ASN ILE ARG SER ALA ILE THR VAL PHE PRO GLN ARG SEQRES 14 B 427 SER ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN ALA GLN SEQRES 15 B 427 LEU ILE ARG TYR ALA GLY TYR GLN MET PRO ASP GLY SER SEQRES 16 B 427 ILE ARG GLY ASP PRO ALA ASN VAL GLU PHE THR GLN LEU SEQRES 17 B 427 CYS ILE ASP LEU GLY TRP LYS PRO LYS TYR GLY ARG PHE SEQRES 18 B 427 ASP VAL VAL PRO LEU VAL LEU GLN ALA ASN GLY ARG ASP SEQRES 19 B 427 PRO GLU LEU PHE GLU ILE PRO PRO ASP LEU VAL LEU GLU SEQRES 20 B 427 VAL ALA MET GLU HIS PRO LYS TYR GLU TRP PHE ARG GLU SEQRES 21 B 427 LEU GLU LEU LYS TRP TYR ALA LEU PRO ALA VAL ALA ASN SEQRES 22 B 427 MET LEU LEU GLU VAL GLY GLY LEU GLU PHE PRO GLY CYS SEQRES 23 B 427 PRO PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY VAL SEQRES 24 B 427 ARG ASP PHE CYS ASP VAL GLN ARG TYR ASN ILE LEU GLU SEQRES 25 B 427 GLU VAL GLY ARG ARG MET GLY LEU GLU THR HIS LYS LEU SEQRES 26 B 427 ALA SER LEU TRP LYS ASP GLN ALA VAL VAL GLU ILE ASN SEQRES 27 B 427 ILE ALA VAL ILE HIS SER PHE GLN LYS GLN ASN VAL THR SEQRES 28 B 427 ILE MET ASP HIS HIS SER ALA ALA GLU SER PHE MET LYS SEQRES 29 B 427 TYR MET GLN ASN GLU TYR ARG SER ARG GLY GLY CYS PRO SEQRES 30 B 427 ALA ASP TRP ILE TRP LEU VAL PRO PRO MET SER GLY SER SEQRES 31 B 427 ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR VAL SEQRES 32 B 427 LEU SER PRO PHE TYR TYR TYR GLN VAL GLU ALA TRP LYS SEQRES 33 B 427 THR HIS VAL TRP GLN ASP GLU LYS ARG ARG PRO SEQRES 1 C 427 PRO ARG HIS VAL ARG ILE LYS ASN TRP GLY SER GLY MET SEQRES 2 C 427 THR PHE GLN ASP THR LEU HIS HIS LYS ALA LYS GLY ILE SEQRES 3 C 427 LEU THR CYS ARG SER LYS SER CYS LEU GLY SER ILE MET SEQRES 4 C 427 THR PRO LYS SER LEU THR ARG GLY PRO ARG ASP LYS PRO SEQRES 5 C 427 THR PRO PRO ASP GLU LEU LEU PRO GLN ALA ILE GLU PHE SEQRES 6 C 427 VAL ASN GLN TYR TYR GLY SER PHE LYS GLU ALA LYS ILE SEQRES 7 C 427 GLU GLU HIS LEU ALA ARG VAL GLU ALA VAL THR LYS GLU SEQRES 8 C 427 ILE GLU THR THR GLY THR TYR GLN LEU THR GLY ASP GLU SEQRES 9 C 427 LEU ILE PHE ALA THR LYS GLN ALA TRP ARG ASN ALA PRO SEQRES 10 C 427 ARG CYS ILE GLY ARG ILE GLN TRP SER ASN LEU GLN VAL SEQRES 11 C 427 PHE ASP ALA ARG SER CYS SER THR ALA ARG GLU MET PHE SEQRES 12 C 427 GLU HIS ILE CYS ARG HIS VAL ARG TYR SER THR ASN ASN SEQRES 13 C 427 GLY ASN ILE ARG SER ALA ILE THR VAL PHE PRO GLN ARG SEQRES 14 C 427 SER ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN ALA GLN SEQRES 15 C 427 LEU ILE ARG TYR ALA GLY TYR GLN MET PRO ASP GLY SER SEQRES 16 C 427 ILE ARG GLY ASP PRO ALA ASN VAL GLU PHE THR GLN LEU SEQRES 17 C 427 CYS ILE ASP LEU GLY TRP LYS PRO LYS TYR GLY ARG PHE SEQRES 18 C 427 ASP VAL VAL PRO LEU VAL LEU GLN ALA ASN GLY ARG ASP SEQRES 19 C 427 PRO GLU LEU PHE GLU ILE PRO PRO ASP LEU VAL LEU GLU SEQRES 20 C 427 VAL ALA MET GLU HIS PRO LYS TYR GLU TRP PHE ARG GLU SEQRES 21 C 427 LEU GLU LEU LYS TRP TYR ALA LEU PRO ALA VAL ALA ASN SEQRES 22 C 427 MET LEU LEU GLU VAL GLY GLY LEU GLU PHE PRO GLY CYS SEQRES 23 C 427 PRO PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY VAL SEQRES 24 C 427 ARG ASP PHE CYS ASP VAL GLN ARG TYR ASN ILE LEU GLU SEQRES 25 C 427 GLU VAL GLY ARG ARG MET GLY LEU GLU THR HIS LYS LEU SEQRES 26 C 427 ALA SER LEU TRP LYS ASP GLN ALA VAL VAL GLU ILE ASN SEQRES 27 C 427 ILE ALA VAL ILE HIS SER PHE GLN LYS GLN ASN VAL THR SEQRES 28 C 427 ILE MET ASP HIS HIS SER ALA ALA GLU SER PHE MET LYS SEQRES 29 C 427 TYR MET GLN ASN GLU TYR ARG SER ARG GLY GLY CYS PRO SEQRES 30 C 427 ALA ASP TRP ILE TRP LEU VAL PRO PRO MET SER GLY SER SEQRES 31 C 427 ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR VAL SEQRES 32 C 427 LEU SER PRO PHE TYR TYR TYR GLN VAL GLU ALA TRP LYS SEQRES 33 C 427 THR HIS VAL TRP GLN ASP GLU LYS ARG ARG PRO SEQRES 1 D 427 PRO ARG HIS VAL ARG ILE LYS ASN TRP GLY SER GLY MET SEQRES 2 D 427 THR PHE GLN ASP THR LEU HIS HIS LYS ALA LYS GLY ILE SEQRES 3 D 427 LEU THR CYS ARG SER LYS SER CYS LEU GLY SER ILE MET SEQRES 4 D 427 THR PRO LYS SER LEU THR ARG GLY PRO ARG ASP LYS PRO SEQRES 5 D 427 THR PRO PRO ASP GLU LEU LEU PRO GLN ALA ILE GLU PHE SEQRES 6 D 427 VAL ASN GLN TYR TYR GLY SER PHE LYS GLU ALA LYS ILE SEQRES 7 D 427 GLU GLU HIS LEU ALA ARG VAL GLU ALA VAL THR LYS GLU SEQRES 8 D 427 ILE GLU THR THR GLY THR TYR GLN LEU THR GLY ASP GLU SEQRES 9 D 427 LEU ILE PHE ALA THR LYS GLN ALA TRP ARG ASN ALA PRO SEQRES 10 D 427 ARG CYS ILE GLY ARG ILE GLN TRP SER ASN LEU GLN VAL SEQRES 11 D 427 PHE ASP ALA ARG SER CYS SER THR ALA ARG GLU MET PHE SEQRES 12 D 427 GLU HIS ILE CYS ARG HIS VAL ARG TYR SER THR ASN ASN SEQRES 13 D 427 GLY ASN ILE ARG SER ALA ILE THR VAL PHE PRO GLN ARG SEQRES 14 D 427 SER ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN ALA GLN SEQRES 15 D 427 LEU ILE ARG TYR ALA GLY TYR GLN MET PRO ASP GLY SER SEQRES 16 D 427 ILE ARG GLY ASP PRO ALA ASN VAL GLU PHE THR GLN LEU SEQRES 17 D 427 CYS ILE ASP LEU GLY TRP LYS PRO LYS TYR GLY ARG PHE SEQRES 18 D 427 ASP VAL VAL PRO LEU VAL LEU GLN ALA ASN GLY ARG ASP SEQRES 19 D 427 PRO GLU LEU PHE GLU ILE PRO PRO ASP LEU VAL LEU GLU SEQRES 20 D 427 VAL ALA MET GLU HIS PRO LYS TYR GLU TRP PHE ARG GLU SEQRES 21 D 427 LEU GLU LEU LYS TRP TYR ALA LEU PRO ALA VAL ALA ASN SEQRES 22 D 427 MET LEU LEU GLU VAL GLY GLY LEU GLU PHE PRO GLY CYS SEQRES 23 D 427 PRO PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY VAL SEQRES 24 D 427 ARG ASP PHE CYS ASP VAL GLN ARG TYR ASN ILE LEU GLU SEQRES 25 D 427 GLU VAL GLY ARG ARG MET GLY LEU GLU THR HIS LYS LEU SEQRES 26 D 427 ALA SER LEU TRP LYS ASP GLN ALA VAL VAL GLU ILE ASN SEQRES 27 D 427 ILE ALA VAL ILE HIS SER PHE GLN LYS GLN ASN VAL THR SEQRES 28 D 427 ILE MET ASP HIS HIS SER ALA ALA GLU SER PHE MET LYS SEQRES 29 D 427 TYR MET GLN ASN GLU TYR ARG SER ARG GLY GLY CYS PRO SEQRES 30 D 427 ALA ASP TRP ILE TRP LEU VAL PRO PRO MET SER GLY SER SEQRES 31 D 427 ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR VAL SEQRES 32 D 427 LEU SER PRO PHE TYR TYR TYR GLN VAL GLU ALA TRP LYS SEQRES 33 D 427 THR HIS VAL TRP GLN ASP GLU LYS ARG ARG PRO HET ZN A3000 1 HET HEM A 510 43 HET H2B A 511 17 HET ITU A 512 6 HET HEM B1010 43 HET H4B B1011 17 HET ITU B1012 6 HET ZN C2000 1 HET HEM C2010 43 HET H4B C2011 17 HET ITU C2012 6 HET HEM D3010 43 HET H4B D3011 17 HET ITU D3012 6 HETNAM ZN ZINC ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H2B 2-AMINO-6-(1,2-DIHYDROXY-PROPYL)-7,8-DIHYDRO-6H- HETNAM 2 H2B PTERIDIN-4-ONE HETNAM ITU ETHYLISOTHIOUREA HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETSYN HEM HEME HETSYN H2B QUINONOID 7,8-TETRAHYDROBIOPTERIN FORMUL 5 ZN 2(ZN 2+) FORMUL 6 HEM 4(C34 H32 FE N4 O4) FORMUL 7 H2B C9 H13 N5 O3 FORMUL 8 ITU 4(C3 H8 N2 S) FORMUL 10 H4B 3(C9 H15 N5 O3) FORMUL 19 HOH *1371(H2 O) HELIX 1 1 LEU A 100 LYS A 103 5 4 HELIX 2 2 LYS A 123 LEU A 125 5 3 HELIX 3 3 PRO A 136 SER A 153 1 18 HELIX 4 4 ILE A 159 THR A 176 1 18 HELIX 5 5 GLY A 183 ARG A 195 1 13 HELIX 6 6 ARG A 203 SER A 207 5 5 HELIX 7 7 ALA A 220 GLY A 238 1 19 HELIX 8 8 PRO A 281 ASP A 292 5 12 HELIX 9 9 PRO A 323 LEU A 325 5 3 HELIX 10 10 GLU A 337 LEU A 342 5 6 HELIX 11 11 GLY A 375 GLY A 379 1 5 HELIX 12 12 LEU A 392 ARG A 398 1 7 HELIX 13 13 LEU A 406 SER A 408 5 3 HELIX 14 14 TRP A 410 LYS A 428 1 19 HELIX 15 15 HIS A 436 ARG A 454 1 19 HELIX 16 16 TRP A 461 LEU A 464 1 4 HELIX 17 17 GLY A 470 ILE A 472 5 3 HELIX 18 18 ALA A 495 THR A 498 1 4 HELIX 19 19 LEU B 100 LYS B 103 5 4 HELIX 20 20 PRO B 136 SER B 153 1 18 HELIX 21 21 ILE B 159 THR B 176 1 18 HELIX 22 22 GLY B 183 ARG B 195 1 13 HELIX 23 23 ARG B 203 GLN B 205 5 3 HELIX 24 24 ALA B 220 GLY B 238 1 19 HELIX 25 25 PRO B 281 LEU B 293 5 13 HELIX 26 26 PRO B 323 LEU B 325 5 3 HELIX 27 27 GLU B 337 LEU B 342 5 6 HELIX 28 28 GLY B 375 GLY B 379 1 5 HELIX 29 29 LEU B 392 MET B 399 1 8 HELIX 30 30 LEU B 406 SER B 408 5 3 HELIX 31 31 TRP B 410 LYS B 428 1 19 HELIX 32 32 HIS B 436 ARG B 454 1 19 HELIX 33 33 TRP B 461 LEU B 464 1 4 HELIX 34 34 GLY B 470 ILE B 472 5 3 HELIX 35 35 ALA B 495 THR B 498 1 4 HELIX 36 36 LEU C 100 LYS C 103 5 4 HELIX 37 37 LYS C 123 LEU C 125 5 3 HELIX 38 38 PRO C 136 SER C 153 1 18 HELIX 39 39 ILE C 159 THR C 176 1 18 HELIX 40 40 GLY C 183 ARG C 195 1 13 HELIX 41 41 ARG C 203 SER C 207 5 5 HELIX 42 42 ALA C 220 GLY C 238 1 19 HELIX 43 43 PRO C 281 ASP C 292 5 12 HELIX 44 44 PRO C 323 LEU C 325 5 3 HELIX 45 45 GLU C 337 LEU C 342 5 6 HELIX 46 46 GLY C 375 GLY C 379 1 5 HELIX 47 47 ARG C 381 CYS C 384 1 4 HELIX 48 48 LEU C 392 MET C 399 1 8 HELIX 49 49 LEU C 406 SER C 408 5 3 HELIX 50 50 TRP C 410 LYS C 428 1 19 HELIX 51 51 HIS C 436 ARG C 454 1 19 HELIX 52 52 TRP C 461 LEU C 464 1 4 HELIX 53 53 GLY C 470 ILE C 472 5 3 HELIX 54 54 PRO C 474 HIS C 477 5 4 HELIX 55 55 ALA C 495 LYS C 497 5 3 HELIX 56 56 LEU D 100 LYS D 103 5 4 HELIX 57 57 LYS D 123 LEU D 125 5 3 HELIX 58 58 PRO D 136 SER D 153 1 18 HELIX 59 59 ILE D 159 THR D 176 1 18 HELIX 60 60 GLY D 183 ARG D 195 1 13 HELIX 61 61 ARG D 203 GLN D 205 5 3 HELIX 62 62 ALA D 220 GLY D 238 1 19 HELIX 63 63 PRO D 281 ASP D 292 5 12 HELIX 64 64 PRO D 323 LEU D 325 5 3 HELIX 65 65 GLU D 337 LEU D 342 5 6 HELIX 66 66 GLY D 375 GLY D 379 1 5 HELIX 67 67 ARG D 381 CYS D 384 1 4 HELIX 68 68 LEU D 392 MET D 399 1 8 HELIX 69 69 LEU D 406 SER D 408 5 3 HELIX 70 70 TRP D 410 LYS D 428 1 19 HELIX 71 71 HIS D 436 ARG D 454 1 19 HELIX 72 72 TRP D 461 LEU D 464 1 4 HELIX 73 73 GLY D 470 ILE D 472 5 3 HELIX 74 74 PRO D 474 HIS D 477 5 4 HELIX 75 75 ALA D 495 THR D 498 1 4 SHEET 1 A 2 VAL A 85 LYS A 88 0 SHEET 2 A 2 THR A 95 ASP A 98 -1 N ASP A 98 O VAL A 85 SHEET 1 B 2 GLN A 210 ALA A 214 0 SHEET 2 B 2 ALA A 243 PHE A 247 1 N ILE A 244 O GLN A 210 SHEET 1 C 2 GLY A 269 GLN A 271 0 SHEET 2 C 2 ILE A 277 GLY A 279 -1 N ARG A 278 O TYR A 270 SHEET 1 D 2 LEU A 307 LEU A 309 0 SHEET 2 D 2 GLU A 317 PHE A 319 -1 N PHE A 319 O LEU A 307 SHEET 1 E 2 GLU A 328 ALA A 330 0 SHEET 2 E 2 LYS A 345 TYR A 347 -1 N TRP A 346 O VAL A 329 SHEET 1 F 2 PRO A 350 VAL A 352 0 SHEET 2 F 2 PHE A 369 GLY A 371 -1 N GLY A 371 O PRO A 350 SHEET 1 G 3 PHE A 488 TYR A 490 0 SHEET 2 G 3 LEU A 356 VAL A 359 -1 N GLU A 358 O PHE A 488 SHEET 3 G 3 LEU A 362 PHE A 364 -1 N PHE A 364 O LEU A 357 SHEET 1 H 2 VAL B 85 LYS B 88 0 SHEET 2 H 2 THR B 95 ASP B 98 -1 N ASP B 98 O VAL B 85 SHEET 1 I 2 GLN B 210 ALA B 214 0 SHEET 2 I 2 ALA B 243 PHE B 247 1 N ILE B 244 O GLN B 210 SHEET 1 J 2 GLY B 269 GLN B 271 0 SHEET 2 J 2 ILE B 277 GLY B 279 -1 N ARG B 278 O TYR B 270 SHEET 1 K 2 LEU B 307 LEU B 309 0 SHEET 2 K 2 GLU B 317 PHE B 319 -1 N PHE B 319 O LEU B 307 SHEET 1 L 2 GLU B 328 ALA B 330 0 SHEET 2 L 2 LYS B 345 TYR B 347 -1 N TRP B 346 O VAL B 329 SHEET 1 M 3 PHE B 488 TYR B 490 0 SHEET 2 M 3 LEU B 356 VAL B 359 -1 N GLU B 358 O PHE B 488 SHEET 3 M 3 LEU B 362 PHE B 364 -1 N PHE B 364 O LEU B 357 SHEET 1 N 2 VAL C 85 LYS C 88 0 SHEET 2 N 2 THR C 95 ASP C 98 -1 N ASP C 98 O VAL C 85 SHEET 1 O 2 GLN C 210 ASP C 213 0 SHEET 2 O 2 ALA C 243 VAL C 246 1 N ILE C 244 O GLN C 210 SHEET 1 P 2 GLY C 269 MET C 272 0 SHEET 2 P 2 SER C 276 GLY C 279 -1 N ARG C 278 O TYR C 270 SHEET 1 Q 2 LEU C 307 LEU C 309 0 SHEET 2 Q 2 GLU C 317 PHE C 319 -1 N PHE C 319 O LEU C 307 SHEET 1 R 2 GLU C 328 ALA C 330 0 SHEET 2 R 2 LYS C 345 TYR C 347 -1 N TRP C 346 O VAL C 329 SHEET 1 S 2 PRO C 350 VAL C 352 0 SHEET 2 S 2 PHE C 369 GLY C 371 -1 N GLY C 371 O PRO C 350 SHEET 1 T 3 PHE C 488 TYR C 490 0 SHEET 2 T 3 LEU C 356 VAL C 359 -1 N GLU C 358 O PHE C 488 SHEET 3 T 3 LEU C 362 PHE C 364 -1 N PHE C 364 O LEU C 357 SHEET 1 U 2 VAL D 85 LYS D 88 0 SHEET 2 U 2 THR D 95 ASP D 98 -1 N ASP D 98 O VAL D 85 SHEET 1 V 2 GLN D 210 ASP D 213 0 SHEET 2 V 2 ALA D 243 VAL D 246 1 N ILE D 244 O GLN D 210 SHEET 1 W 2 GLY D 269 GLN D 271 0 SHEET 2 W 2 ILE D 277 GLY D 279 -1 N ARG D 278 O TYR D 270 SHEET 1 X 2 LEU D 307 LEU D 309 0 SHEET 2 X 2 GLU D 317 PHE D 319 -1 N PHE D 319 O LEU D 307 SHEET 1 Y 2 GLU D 328 ALA D 330 0 SHEET 2 Y 2 LYS D 345 TYR D 347 -1 N TRP D 346 O VAL D 329 SHEET 1 Z 3 PHE D 488 TYR D 490 0 SHEET 2 Z 3 LEU D 356 VAL D 359 -1 N GLU D 358 O PHE D 488 SHEET 3 Z 3 LEU D 362 PHE D 364 -1 N PHE D 364 O LEU D 357 LINK SG CYS A 110 ZN ZN A3000 1555 1555 2.45 LINK SG CYS A 115 ZN ZN A3000 1555 1555 2.24 LINK SG CYS A 200 FE HEM A 510 1555 1555 2.38 LINK ZN ZN A3000 SG CYS B 110 1555 1555 2.28 LINK ZN ZN A3000 SG CYS B 115 1555 1555 2.45 LINK SG CYS B 200 FE HEM B1010 1555 1555 2.43 LINK SG CYS C 110 ZN ZN C2000 1555 1555 2.46 LINK SG CYS C 115 ZN ZN C2000 1555 1555 2.22 LINK SG CYS C 200 FE HEM C2010 1555 1555 2.27 LINK ZN ZN C2000 SG CYS D 110 1555 1555 2.18 LINK ZN ZN C2000 SG CYS D 115 1555 1555 2.39 LINK SG CYS D 200 FE HEM D3010 1555 1555 2.54 CISPEP 1 SER A 486 PRO A 487 0 5.65 CISPEP 2 SER B 486 PRO B 487 0 -0.70 CISPEP 3 SER C 486 PRO C 487 0 8.49 CISPEP 4 SER D 486 PRO D 487 0 3.13 SITE 1 COF 2 HEM A 510 H2B A 511 SITE 1 SUB 1 ITU A 512 SITE 1 ZNB 2 CYS A 110 CYS A 115 SITE 1 AC1 4 CYS A 110 CYS A 115 CYS B 110 CYS B 115 SITE 1 AC2 4 CYS C 110 CYS C 115 CYS D 110 CYS D 115 SITE 1 AC3 20 TRP A 194 ARG A 199 CYS A 200 GLN A 205 SITE 2 AC3 20 SER A 242 PHE A 369 ASN A 370 TRP A 372 SITE 3 AC3 20 GLU A 377 TRP A 463 TYR A 489 TYR A 491 SITE 4 AC3 20 H2B A 511 ITU A 512 HOH A3007 HOH A3103 SITE 5 AC3 20 HOH A3131 HOH A3133 HOH A3203 HOH A3219 SITE 1 AC4 15 SER A 118 ARG A 381 ILE A 462 TRP A 463 SITE 2 AC4 15 HEM A 510 HOH A3001 HOH A3013 HOH A3017 SITE 3 AC4 15 HOH A3131 HOH A3221 TRP B 461 PHE B 476 SITE 4 AC4 15 HIS B 477 GLN B 478 GLU B 479 SITE 1 AC5 4 PHE A 369 TRP A 372 GLU A 377 HEM A 510 SITE 1 AC6 20 TRP B 194 ARG B 199 CYS B 200 GLN B 205 SITE 2 AC6 20 LEU B 209 SER B 242 PHE B 369 ASN B 370 SITE 3 AC6 20 TRP B 372 MET B 374 GLU B 377 TRP B 463 SITE 4 AC6 20 TYR B 489 TYR B 491 H4B B1011 ITU B1012 SITE 5 AC6 20 HOH B1059 HOH B1074 HOH B1143 HOH B1144 SITE 1 AC7 16 TRP A 461 PHE A 476 HIS A 477 GLN A 478 SITE 2 AC7 16 GLU A 479 SER B 118 MET B 120 ARG B 381 SITE 3 AC7 16 ILE B 462 TRP B 463 HEM B1010 HOH B1018 SITE 4 AC7 16 HOH B1021 HOH B1056 HOH B1113 HOH B1144 SITE 1 AC8 5 VAL B 352 PHE B 369 TRP B 372 GLU B 377 SITE 2 AC8 5 HEM B1010 SITE 1 AC9 19 TRP C 194 ARG C 199 CYS C 200 GLN C 205 SITE 2 AC9 19 SER C 242 PHE C 369 ASN C 370 TRP C 372 SITE 3 AC9 19 GLU C 377 TRP C 463 TYR C 491 H4B C2011 SITE 4 AC9 19 ITU C2012 HOH C2041 HOH C2075 HOH C2142 SITE 5 AC9 19 HOH C2161 HOH C2164 HOH C2173 SITE 1 BC1 16 SER C 118 ARG C 381 ILE C 462 TRP C 463 SITE 2 BC1 16 HEM C2010 HOH C2015 HOH C2016 HOH C2044 SITE 3 BC1 16 HOH C2056 HOH C2115 HOH C2142 TRP D 461 SITE 4 BC1 16 PHE D 476 HIS D 477 GLN D 478 GLU D 479 SITE 1 BC2 6 PRO C 350 PHE C 369 TRP C 372 GLU C 377 SITE 2 BC2 6 HEM C2010 HOH C2214 SITE 1 BC3 20 TRP D 194 ARG D 199 CYS D 200 GLN D 205 SITE 2 BC3 20 SER D 242 PHE D 369 ASN D 370 GLY D 371 SITE 3 BC3 20 TRP D 372 MET D 374 GLU D 377 TRP D 463 SITE 4 BC3 20 TYR D 489 TYR D 491 H4B D3011 ITU D3012 SITE 5 BC3 20 HOH D3056 HOH D3060 HOH D3137 HOH D3153 SITE 1 BC4 12 TRP C 461 PHE C 476 HIS C 477 GLN C 478 SITE 2 BC4 12 SER D 118 ARG D 381 ILE D 462 TRP D 463 SITE 3 BC4 12 HEM D3010 HOH D3014 HOH D3021 HOH D3052 SITE 1 BC5 5 VAL D 352 PHE D 369 TRP D 372 GLU D 377 SITE 2 BC5 5 HEM D3010 CRYST1 89.759 156.672 190.044 90.00 90.00 90.00 P 21 21 21 16 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 0.011141 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006383 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005262 0.00000 MTRIX1 1 -0.992700 0.102910 0.062930 22.00306 1 MTRIX2 1 0.113740 0.624880 0.772390 22.59963 1 MTRIX3 1 0.040160 0.773910 -0.632020 -50.29379 1 MTRIX1 2 0.999980 0.003580 -0.004510 -1.40336 1 MTRIX2 2 -0.000540 0.837660 0.546200 52.21081 1 MTRIX3 2 0.005730 -0.546190 0.837640 8.07962 1 MTRIX1 3 -0.991890 0.055680 0.114290 28.94339 1 MTRIX2 3 0.119100 0.092600 0.988550 61.45053 1 MTRIX3 3 0.044460 0.994150 -0.098480 -15.62112 1