HEADER OXIDOREDUCTASE/INHIBITOR 01-SEP-17 6AV3 TITLE STRUCTURE OF HUMAN NEURONAL NITRIC OXIDE SYNTHASE R354A/G357D MUTANT TITLE 2 HEME DOMAIN IN COMPLEX WITH 4-METHYL-6-(2-(5-(3-((METHYLAMINO) TITLE 3 METHYL)PHENYL)PYRIDIN-3-YL)ETHYL)PYRIDIN-2-AMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE, BRAIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CONSTITUTIVE NOS,NC-NOS,NOS TYPE I,NEURONAL NOS,NNOS, COMPND 5 PEPTIDYL-CYSTEINE S-NITROSYLASE NOS1,BNOS; COMPND 6 EC: 1.14.13.39; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: RESIDUES 344 TO 351 ARE DISORDERED. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 ORGAN: BRAIN; SOURCE 6 GENE: NOS1; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PCWORI KEYWDS NITRIC OXIDE SYNTHASE INHIBITOR HEME ENZYME, OXIDOREDUCTASE, KEYWDS 2 OXIDOREDUCTASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR H.LI,T.L.POULOS REVDAT 4 04-OCT-23 6AV3 1 LINK REVDAT 3 01-JAN-20 6AV3 1 REMARK REVDAT 2 20-FEB-19 6AV3 1 REMARK REVDAT 1 11-JUL-18 6AV3 0 JRNL AUTH H.T.DO,H.Y.WANG,H.LI,G.CHREIFI,T.L.POULOS,R.B.SILVERMAN JRNL TITL IMPROVEMENT OF CELL PERMEABILITY OF HUMAN NEURONAL NITRIC JRNL TITL 2 OXIDE SYNTHASE INHIBITORS USING POTENT AND SELECTIVE JRNL TITL 3 2-AMINOPYRIDINE-BASED SCAFFOLDS WITH A FLUOROBENZENE LINKER. JRNL REF J. MED. CHEM. V. 60 9360 2017 JRNL REFN ISSN 1520-4804 JRNL PMID 29091437 JRNL DOI 10.1021/ACS.JMEDCHEM.7B01356 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.87 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.140 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.1 REMARK 3 NUMBER OF REFLECTIONS : 74663 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.205 REMARK 3 R VALUE (WORKING SET) : 0.203 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.920 REMARK 3 FREE R VALUE TEST SET COUNT : 3677 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 38.8785 - 6.0413 0.99 4731 210 0.1479 0.1893 REMARK 3 2 6.0413 - 4.7980 1.00 4724 238 0.1395 0.1837 REMARK 3 3 4.7980 - 4.1923 0.98 4673 228 0.1242 0.1711 REMARK 3 4 4.1923 - 3.8094 0.99 4681 242 0.1364 0.2156 REMARK 3 5 3.8094 - 3.5365 1.00 4703 267 0.1618 0.1996 REMARK 3 6 3.5365 - 3.3281 1.00 4740 242 0.1723 0.2398 REMARK 3 7 3.3281 - 3.1615 0.98 4661 243 0.2042 0.2657 REMARK 3 8 3.1615 - 3.0240 0.99 4684 242 0.2182 0.2731 REMARK 3 9 3.0240 - 2.9076 0.99 4695 232 0.2038 0.2744 REMARK 3 10 2.9076 - 2.8073 0.99 4756 217 0.2092 0.2747 REMARK 3 11 2.8073 - 2.7195 0.99 4707 216 0.2151 0.2938 REMARK 3 12 2.7195 - 2.6418 0.99 4673 252 0.2204 0.2819 REMARK 3 13 2.6418 - 2.5723 0.99 4715 261 0.2246 0.2813 REMARK 3 14 2.5723 - 2.5095 0.99 4651 225 0.2346 0.2921 REMARK 3 15 2.5095 - 2.4525 0.96 4489 276 0.2530 0.2918 REMARK 3 16 2.4525 - 2.4003 0.99 4620 246 0.2738 0.3495 REMARK 3 17 2.4003 - 2.3523 0.99 4714 266 0.2735 0.3388 REMARK 3 18 2.3523 - 2.3079 0.99 4676 244 0.2936 0.3719 REMARK 3 19 2.3079 - 2.2667 0.99 4656 245 0.2941 0.3868 REMARK 3 20 2.2667 - 2.2283 0.99 4711 212 0.3326 0.3738 REMARK 3 21 2.2283 - 2.1924 0.99 4648 226 0.3244 0.4036 REMARK 3 22 2.1924 - 2.1586 0.99 4747 228 0.3370 0.4131 REMARK 3 23 2.1586 - 2.1269 0.99 4670 240 0.3591 0.3636 REMARK 3 24 2.1269 - 2.0969 0.99 4576 252 0.3695 0.3826 REMARK 3 25 2.0969 - 2.0686 0.96 4608 269 0.3801 0.4362 REMARK 3 26 2.0686 - 2.0417 0.91 4291 205 0.4014 0.4353 REMARK 3 27 2.0417 - 2.0162 0.84 3938 195 0.4378 0.4713 REMARK 3 28 2.0162 - 1.9919 0.85 4046 224 0.4374 0.4712 REMARK 3 29 1.9919 - 1.9688 0.72 3397 202 0.4670 0.4842 REMARK 3 30 1.9688 - 1.9466 0.52 2426 139 0.5028 0.5657 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.380 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 35.960 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 7096 REMARK 3 ANGLE : 1.096 9660 REMARK 3 CHIRALITY : 0.040 996 REMARK 3 PLANARITY : 0.005 1221 REMARK 3 DIHEDRAL : 15.309 2576 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN A AND RESID 302:721) REMARK 3 ORIGIN FOR THE GROUP (A): 117.7888 249.3913 358.5230 REMARK 3 T TENSOR REMARK 3 T11: 0.2142 T22: 0.3934 REMARK 3 T33: 0.2773 T12: -0.0111 REMARK 3 T13: 0.0216 T23: 0.0532 REMARK 3 L TENSOR REMARK 3 L11: 1.1019 L22: 1.2084 REMARK 3 L33: 4.8707 L12: -0.1966 REMARK 3 L13: -0.4051 L23: 0.5116 REMARK 3 S TENSOR REMARK 3 S11: -0.0141 S12: -0.1181 S13: -0.0035 REMARK 3 S21: -0.0424 S22: -0.0507 S23: -0.0398 REMARK 3 S31: 0.3687 S32: 0.2576 S33: 0.0591 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN B AND RESID 304:721) REMARK 3 ORIGIN FOR THE GROUP (A): 116.5605 248.2751 321.4622 REMARK 3 T TENSOR REMARK 3 T11: 0.3030 T22: 0.4635 REMARK 3 T33: 0.2871 T12: 0.0090 REMARK 3 T13: 0.0083 T23: -0.0330 REMARK 3 L TENSOR REMARK 3 L11: 1.0063 L22: 1.1780 REMARK 3 L33: 7.0651 L12: -0.2545 REMARK 3 L13: -0.6771 L23: 0.4045 REMARK 3 S TENSOR REMARK 3 S11: 0.0393 S12: 0.2511 S13: -0.0318 REMARK 3 S21: -0.1394 S22: -0.0982 S23: 0.0684 REMARK 3 S31: 0.1591 S32: -0.3815 S33: 0.0358 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6AV3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-SEP-17. REMARK 100 THE DEPOSITION ID IS D_1000229838. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-FEB-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9794 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 77910 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 60.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : 0.13100 REMARK 200 R SYM (I) : 0.13100 REMARK 200 FOR THE DATA SET : 6.8000 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) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : 5.50 REMARK 200 R MERGE FOR SHELL (I) : 4.07800 REMARK 200 R SYM FOR SHELL (I) : 4.07800 REMARK 200 FOR SHELL : 0.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: 4UH5 REMARK 200 REMARK 200 REMARK: PLATES REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8% PEG3350 35MM CITRIC ACID 65MM BIS REMARK 280 -TRIS-PROPANE 10% GLYCEROL 5MM TCEP, PH 7.2, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 277K 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 26.24500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 81.99700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 61.12350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 81.99700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.24500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 61.12350 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: 9320 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.0 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 344 REMARK 465 GLN A 345 REMARK 465 HIS A 346 REMARK 465 ALA A 347 REMARK 465 ARG A 348 REMARK 465 ARG A 349 REMARK 465 PRO A 350 REMARK 465 GLU A 351 REMARK 465 CYS B 302 REMARK 465 PRO B 303 REMARK 465 SER B 344 REMARK 465 GLN B 345 REMARK 465 HIS B 346 REMARK 465 ALA B 347 REMARK 465 ARG B 348 REMARK 465 ARG B 349 REMARK 465 PRO B 350 REMARK 465 GLU B 351 REMARK 465 ASP B 352 REMARK 465 VAL B 353 REMARK 465 LYS B 722 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 471 -83.74 -114.58 REMARK 500 CYS A 587 57.57 -146.94 REMARK 500 ARG A 608 -134.71 -110.00 REMARK 500 CYS A 677 94.00 -164.90 REMARK 500 THR B 326 -37.49 -144.76 REMARK 500 LYS B 375 63.07 60.42 REMARK 500 ARG B 376 57.87 -170.99 REMARK 500 THR B 396 -2.43 -141.93 REMARK 500 THR B 471 -61.60 -123.19 REMARK 500 ARG B 519 62.96 29.44 REMARK 500 PHE B 522 79.58 -113.13 REMARK 500 CYS B 587 59.48 -154.63 REMARK 500 ARG B 608 -133.08 -108.53 REMARK 500 REMARK 500 REMARK: NULL 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 804 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 331 SG REMARK 620 2 CYS A 336 SG 108.8 REMARK 620 3 CYS B 331 SG 123.6 105.5 REMARK 620 4 CYS B 336 SG 99.8 103.4 114.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 801 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 420 SG REMARK 620 2 HEM A 801 NA 102.9 REMARK 620 3 HEM A 801 NB 100.5 83.3 REMARK 620 4 HEM A 801 NC 97.2 159.8 92.2 REMARK 620 5 HEM A 801 ND 102.1 91.1 157.3 85.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 801 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 420 SG REMARK 620 2 HEM B 801 NA 100.7 REMARK 620 3 HEM B 801 NB 99.0 83.8 REMARK 620 4 HEM B 801 NC 97.4 161.9 93.2 REMARK 620 5 HEM B 801 ND 102.4 91.3 158.5 84.9 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue H4B A 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue W79 A 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 804 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue H4B B 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue W79 B 803 DBREF 6AV3 A 302 722 UNP P29475 NOS1_HUMAN 302 722 DBREF 6AV3 B 302 722 UNP P29475 NOS1_HUMAN 302 722 SEQADV 6AV3 ALA A 354 UNP P29475 ARG 354 ENGINEERED MUTATION SEQADV 6AV3 ASP A 357 UNP P29475 GLY 357 ENGINEERED MUTATION SEQADV 6AV3 ALA B 354 UNP P29475 ARG 354 ENGINEERED MUTATION SEQADV 6AV3 ASP B 357 UNP P29475 GLY 357 ENGINEERED MUTATION SEQRES 1 A 421 CYS PRO ARG PHE LEU LYS VAL LYS ASN TRP GLU THR GLU SEQRES 2 A 421 VAL VAL LEU THR ASP THR LEU HIS LEU LYS SER THR LEU SEQRES 3 A 421 GLU THR GLY CYS THR GLU TYR ILE CYS MET GLY SER ILE SEQRES 4 A 421 MET HIS PRO SER GLN HIS ALA ARG ARG PRO GLU ASP VAL SEQRES 5 A 421 ALA THR LYS ASP GLN LEU PHE PRO LEU ALA LYS GLU PHE SEQRES 6 A 421 ILE ASP GLN TYR TYR SER SER ILE LYS ARG PHE GLY SER SEQRES 7 A 421 LYS ALA HIS MET GLU ARG LEU GLU GLU VAL ASN LYS GLU SEQRES 8 A 421 ILE ASP THR THR SER THR TYR GLN LEU LYS ASP THR GLU SEQRES 9 A 421 LEU ILE TYR GLY ALA LYS HIS ALA TRP ARG ASN ALA SER SEQRES 10 A 421 ARG CYS VAL GLY ARG ILE GLN TRP SER LYS LEU GLN VAL SEQRES 11 A 421 PHE ASP ALA ARG ASP CYS THR THR ALA HIS GLY MET PHE SEQRES 12 A 421 ASN TYR ILE CYS ASN HIS VAL LYS TYR ALA THR ASN LYS SEQRES 13 A 421 GLY ASN LEU ARG SER ALA ILE THR ILE PHE PRO GLN ARG SEQRES 14 A 421 THR ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN SER GLN SEQRES 15 A 421 LEU ILE ARG TYR ALA GLY TYR LYS GLN PRO ASP GLY SER SEQRES 16 A 421 THR LEU GLY ASP PRO ALA ASN VAL GLN PHE THR GLU ILE SEQRES 17 A 421 CYS ILE GLN GLN GLY TRP LYS PRO PRO ARG GLY ARG PHE SEQRES 18 A 421 ASP VAL LEU PRO LEU LEU LEU GLN ALA ASN GLY ASN ASP SEQRES 19 A 421 PRO GLU LEU PHE GLN ILE PRO PRO GLU LEU VAL LEU GLU SEQRES 20 A 421 VAL PRO ILE ARG HIS PRO LYS PHE GLU TRP PHE LYS ASP SEQRES 21 A 421 LEU GLY LEU LYS TRP TYR GLY LEU PRO ALA VAL SER ASN SEQRES 22 A 421 MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER ALA CYS SEQRES 23 A 421 PRO PHE SER GLY TRP TYR MET GLY THR GLU ILE GLY VAL SEQRES 24 A 421 ARG ASP TYR CYS ASP ASN SER ARG TYR ASN ILE LEU GLU SEQRES 25 A 421 GLU VAL ALA LYS LYS MET ASN LEU ASP MET ARG LYS THR SEQRES 26 A 421 SER SER LEU TRP LYS ASP GLN ALA LEU VAL GLU ILE ASN SEQRES 27 A 421 ILE ALA VAL LEU TYR SER PHE GLN SER ASP LYS VAL THR SEQRES 28 A 421 ILE VAL ASP HIS HIS SER ALA THR GLU SER PHE ILE LYS SEQRES 29 A 421 HIS MET GLU ASN GLU TYR ARG CYS ARG GLY GLY CYS PRO SEQRES 30 A 421 ALA ASP TRP VAL TRP ILE VAL PRO PRO MET SER GLY SER SEQRES 31 A 421 ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR ARG SEQRES 32 A 421 LEU THR PRO SER PHE GLU TYR GLN PRO ASP PRO TRP ASN SEQRES 33 A 421 THR HIS VAL TRP LYS SEQRES 1 B 421 CYS PRO ARG PHE LEU LYS VAL LYS ASN TRP GLU THR GLU SEQRES 2 B 421 VAL VAL LEU THR ASP THR LEU HIS LEU LYS SER THR LEU SEQRES 3 B 421 GLU THR GLY CYS THR GLU TYR ILE CYS MET GLY SER ILE SEQRES 4 B 421 MET HIS PRO SER GLN HIS ALA ARG ARG PRO GLU ASP VAL SEQRES 5 B 421 ALA THR LYS ASP GLN LEU PHE PRO LEU ALA LYS GLU PHE SEQRES 6 B 421 ILE ASP GLN TYR TYR SER SER ILE LYS ARG PHE GLY SER SEQRES 7 B 421 LYS ALA HIS MET GLU ARG LEU GLU GLU VAL ASN LYS GLU SEQRES 8 B 421 ILE ASP THR THR SER THR TYR GLN LEU LYS ASP THR GLU SEQRES 9 B 421 LEU ILE TYR GLY ALA LYS HIS ALA TRP ARG ASN ALA SER SEQRES 10 B 421 ARG CYS VAL GLY ARG ILE GLN TRP SER LYS LEU GLN VAL SEQRES 11 B 421 PHE ASP ALA ARG ASP CYS THR THR ALA HIS GLY MET PHE SEQRES 12 B 421 ASN TYR ILE CYS ASN HIS VAL LYS TYR ALA THR ASN LYS SEQRES 13 B 421 GLY ASN LEU ARG SER ALA ILE THR ILE PHE PRO GLN ARG SEQRES 14 B 421 THR ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN SER GLN SEQRES 15 B 421 LEU ILE ARG TYR ALA GLY TYR LYS GLN PRO ASP GLY SER SEQRES 16 B 421 THR LEU GLY ASP PRO ALA ASN VAL GLN PHE THR GLU ILE SEQRES 17 B 421 CYS ILE GLN GLN GLY TRP LYS PRO PRO ARG GLY ARG PHE SEQRES 18 B 421 ASP VAL LEU PRO LEU LEU LEU GLN ALA ASN GLY ASN ASP SEQRES 19 B 421 PRO GLU LEU PHE GLN ILE PRO PRO GLU LEU VAL LEU GLU SEQRES 20 B 421 VAL PRO ILE ARG HIS PRO LYS PHE GLU TRP PHE LYS ASP SEQRES 21 B 421 LEU GLY LEU LYS TRP TYR GLY LEU PRO ALA VAL SER ASN SEQRES 22 B 421 MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER ALA CYS SEQRES 23 B 421 PRO PHE SER GLY TRP TYR MET GLY THR GLU ILE GLY VAL SEQRES 24 B 421 ARG ASP TYR CYS ASP ASN SER ARG TYR ASN ILE LEU GLU SEQRES 25 B 421 GLU VAL ALA LYS LYS MET ASN LEU ASP MET ARG LYS THR SEQRES 26 B 421 SER SER LEU TRP LYS ASP GLN ALA LEU VAL GLU ILE ASN SEQRES 27 B 421 ILE ALA VAL LEU TYR SER PHE GLN SER ASP LYS VAL THR SEQRES 28 B 421 ILE VAL ASP HIS HIS SER ALA THR GLU SER PHE ILE LYS SEQRES 29 B 421 HIS MET GLU ASN GLU TYR ARG CYS ARG GLY GLY CYS PRO SEQRES 30 B 421 ALA ASP TRP VAL TRP ILE VAL PRO PRO MET SER GLY SER SEQRES 31 B 421 ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR ARG SEQRES 32 B 421 LEU THR PRO SER PHE GLU TYR GLN PRO ASP PRO TRP ASN SEQRES 33 B 421 THR HIS VAL TRP LYS HET HEM A 801 43 HET H4B A 802 17 HET W79 A 803 25 HET ZN A 804 1 HET HEM B 801 43 HET H4B B 802 17 HET W79 B 803 25 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM W79 4-METHYL-6-[2-(5-{3-[(METHYLAMINO) HETNAM 2 W79 METHYL]PHENYL}PYRIDIN-3-YL)ETHYL]PYRIDIN-2-AMINE HETNAM ZN ZINC ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 H4B 2(C9 H15 N5 O3) FORMUL 5 W79 2(C21 H24 N4) FORMUL 6 ZN ZN 2+ FORMUL 10 HOH *337(H2 O) HELIX 1 AA1 THR A 320 SER A 325 5 6 HELIX 2 AA2 THR A 355 ILE A 374 1 20 HELIX 3 AA3 SER A 379 SER A 397 1 19 HELIX 4 AA4 LYS A 402 ASN A 416 1 15 HELIX 5 AA5 GLY A 422 TRP A 426 5 5 HELIX 6 AA6 THR A 439 ASN A 456 1 18 HELIX 7 AA7 LYS A 457 ASN A 459 5 3 HELIX 8 AA8 ASN A 503 GLN A 513 1 11 HELIX 9 AA9 PRO A 542 VAL A 546 5 5 HELIX 10 AB1 TRP A 558 GLY A 563 5 6 HELIX 11 AB2 GLY A 595 VAL A 600 1 6 HELIX 12 AB3 VAL A 600 ASP A 605 1 6 HELIX 13 AB4 ILE A 611 MET A 619 1 9 HELIX 14 AB5 LYS A 625 SER A 628 5 4 HELIX 15 AB6 LEU A 629 ASP A 649 1 21 HELIX 16 AB7 ASP A 655 GLY A 675 1 21 HELIX 17 AB8 ASP A 680 VAL A 685 1 6 HELIX 18 AB9 SER A 689 GLN A 698 5 10 HELIX 19 AC1 ASP A 714 HIS A 719 1 6 HELIX 20 AC2 THR B 320 SER B 325 5 6 HELIX 21 AC3 THR B 355 ILE B 374 1 20 HELIX 22 AC4 SER B 379 SER B 397 1 19 HELIX 23 AC5 LYS B 402 ASN B 416 1 15 HELIX 24 AC6 GLY B 422 TRP B 426 5 5 HELIX 25 AC7 THR B 439 ASN B 456 1 18 HELIX 26 AC8 LYS B 457 ASN B 459 5 3 HELIX 27 AC9 ASN B 503 GLN B 513 1 11 HELIX 28 AD1 PRO B 542 VAL B 546 5 5 HELIX 29 AD2 PHE B 559 GLY B 563 5 5 HELIX 30 AD3 GLY B 595 VAL B 600 1 6 HELIX 31 AD4 VAL B 600 ASP B 605 1 6 HELIX 32 AD5 ILE B 611 MET B 619 1 9 HELIX 33 AD6 LYS B 625 SER B 628 5 4 HELIX 34 AD7 LEU B 629 ASP B 649 1 21 HELIX 35 AD8 ASP B 655 GLY B 675 1 21 HELIX 36 AD9 ASP B 680 VAL B 685 1 6 HELIX 37 AE1 SER B 689 GLN B 698 5 10 HELIX 38 AE2 ASP B 714 THR B 718 5 5 SHEET 1 AA1 2 LEU A 306 LYS A 309 0 SHEET 2 AA1 2 VAL A 316 ASP A 319 -1 O ASP A 319 N LEU A 306 SHEET 1 AA2 4 GLN A 430 ASP A 433 0 SHEET 2 AA2 4 ALA A 463 ILE A 466 1 O ILE A 464 N PHE A 432 SHEET 3 AA2 4 PHE A 589 SER A 590 -1 O SER A 590 N ALA A 463 SHEET 4 AA2 4 ALA A 571 VAL A 572 -1 N VAL A 572 O PHE A 589 SHEET 1 AA3 3 ARG A 478 VAL A 479 0 SHEET 2 AA3 3 LEU A 527 GLN A 530 -1 O GLN A 530 N ARG A 478 SHEET 3 AA3 3 GLU A 537 PHE A 539 -1 O PHE A 539 N LEU A 527 SHEET 1 AA4 2 GLY A 489 LYS A 491 0 SHEET 2 AA4 2 THR A 497 GLY A 499 -1 O LEU A 498 N TYR A 490 SHEET 1 AA5 2 GLU A 548 PRO A 550 0 SHEET 2 AA5 2 LYS A 565 TYR A 567 -1 O TRP A 566 N VAL A 549 SHEET 1 AA6 3 LEU A 582 PHE A 584 0 SHEET 2 AA6 3 LEU A 576 ILE A 579 -1 N LEU A 577 O PHE A 584 SHEET 3 AA6 3 SER A 708 GLU A 710 -1 O SER A 708 N GLU A 578 SHEET 1 AA7 2 TYR A 593 MET A 594 0 SHEET 2 AA7 2 ILE A 653 VAL A 654 1 O VAL A 654 N TYR A 593 SHEET 1 AA8 2 LEU B 306 LYS B 309 0 SHEET 2 AA8 2 VAL B 316 ASP B 319 -1 O ASP B 319 N LEU B 306 SHEET 1 AA9 4 GLN B 430 ASP B 433 0 SHEET 2 AA9 4 ALA B 463 ILE B 466 1 O ILE B 464 N PHE B 432 SHEET 3 AA9 4 PHE B 589 SER B 590 -1 O SER B 590 N ALA B 463 SHEET 4 AA9 4 ALA B 571 VAL B 572 -1 N VAL B 572 O PHE B 589 SHEET 1 AB1 3 ARG B 478 VAL B 479 0 SHEET 2 AB1 3 LEU B 527 GLN B 530 -1 O GLN B 530 N ARG B 478 SHEET 3 AB1 3 GLU B 537 PHE B 539 -1 O PHE B 539 N LEU B 527 SHEET 1 AB2 2 GLY B 489 LYS B 491 0 SHEET 2 AB2 2 THR B 497 GLY B 499 -1 O LEU B 498 N TYR B 490 SHEET 1 AB3 2 GLU B 548 PRO B 550 0 SHEET 2 AB3 2 LYS B 565 TYR B 567 -1 O TRP B 566 N VAL B 549 SHEET 1 AB4 3 LEU B 582 PHE B 584 0 SHEET 2 AB4 3 LEU B 576 ILE B 579 -1 N LEU B 577 O PHE B 584 SHEET 3 AB4 3 SER B 708 GLU B 710 -1 O SER B 708 N GLU B 578 SHEET 1 AB5 2 TYR B 593 MET B 594 0 SHEET 2 AB5 2 ILE B 653 VAL B 654 1 O VAL B 654 N TYR B 593 LINK SG CYS A 331 ZN ZN A 804 1555 1555 2.38 LINK SG CYS A 336 ZN ZN A 804 1555 1555 2.35 LINK SG CYS A 420 FE HEM A 801 1555 1555 2.37 LINK ZN ZN A 804 SG CYS B 331 1555 1555 2.31 LINK ZN ZN A 804 SG CYS B 336 1555 1555 2.42 LINK SG CYS B 420 FE HEM B 801 1555 1555 2.37 CISPEP 1 THR A 706 PRO A 707 0 3.30 CISPEP 2 THR B 706 PRO B 707 0 -0.89 SITE 1 AC1 17 TRP A 414 CYS A 420 SER A 462 PHE A 589 SITE 2 AC1 17 SER A 590 TRP A 592 GLU A 597 TRP A 683 SITE 3 AC1 17 PHE A 709 TYR A 711 H4B A 802 W79 A 803 SITE 4 AC1 17 HOH A 950 HOH A 952 HOH A1003 HOH A1015 SITE 5 AC1 17 HOH A1038 SITE 1 AC2 14 SER A 339 ARG A 601 VAL A 682 TRP A 683 SITE 2 AC2 14 HEM A 801 W79 A 803 HOH A 921 HOH A 933 SITE 3 AC2 14 HOH A 972 TRP B 681 PHE B 696 HIS B 697 SITE 4 AC2 14 GLN B 698 GLU B 699 SITE 1 AC3 11 GLN A 483 ARG A 486 TYR A 567 PRO A 570 SITE 2 AC3 11 GLY A 591 TRP A 592 TYR A 593 GLU A 597 SITE 3 AC3 11 HEM A 801 H4B A 802 HOH A 939 SITE 1 AC4 4 CYS A 331 CYS A 336 CYS B 331 CYS B 336 SITE 1 AC5 14 TRP B 414 CYS B 420 SER B 462 PHE B 589 SITE 2 AC5 14 SER B 590 TRP B 592 GLU B 597 TRP B 683 SITE 3 AC5 14 TYR B 711 H4B B 802 W79 B 803 HOH B 915 SITE 4 AC5 14 HOH B 933 HOH B 935 SITE 1 AC6 16 TRP A 681 PHE A 696 HIS A 697 GLN A 698 SITE 2 AC6 16 GLU A 699 SER B 339 MET B 341 ARG B 601 SITE 3 AC6 16 VAL B 682 TRP B 683 HEM B 801 W79 B 803 SITE 4 AC6 16 HOH B 913 HOH B 959 HOH B 961 HOH B 968 SITE 1 AC7 10 GLN B 483 ARG B 486 TYR B 567 PRO B 570 SITE 2 AC7 10 PHE B 589 TRP B 592 TYR B 593 GLU B 597 SITE 3 AC7 10 HEM B 801 H4B B 802 CRYST1 52.490 122.247 163.994 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 0.019051 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008180 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006098 0.00000