HEADER OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 21-DEC-18 6NG2 TITLE STRUCTURE OF HUMAN NEURONAL NITRIC OXIDE SYNTHASE R354A/G357D MUTANT TITLE 2 HEME DOMAIN IN COMPLEX WITH 6-(3-(3-(DIMETHYLAMINO)PROP-1-YN-1-YL)-5- TITLE 3 FLUOROPHENETHYL)-4-METHYLPYRIDIN-2-AMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE, BRAIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 302-722; COMPND 5 SYNONYM: CONSTITUTIVE NOS,NC-NOS,NOS TYPE I,NEURONAL NOS,NNOS, COMPND 6 PEPTIDYL-CYSTEINE S-NITROSYLASE NOS1,BNOS; COMPND 7 EC: 1.14.13.39; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES 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 BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PCWORI KEYWDS NITRIC OXIDE SYNTHASE, INHIBITOR COMPLEX, HEME ENZYME, KEYWDS 2 OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR H.LI,T.L.POULOS REVDAT 4 11-OCT-23 6NG2 1 REMARK REVDAT 3 04-DEC-19 6NG2 1 REMARK REVDAT 2 27-MAR-19 6NG2 1 JRNL REVDAT 1 13-MAR-19 6NG2 0 JRNL AUTH H.T.DO,H.LI,G.CHREIFI,T.L.POULOS,R.B.SILVERMAN JRNL TITL OPTIMIZATION OF BLOOD-BRAIN BARRIER PERMEABILITY WITH POTENT JRNL TITL 2 AND SELECTIVE HUMAN NEURONAL NITRIC OXIDE SYNTHASE JRNL TITL 3 INHIBITORS HAVING A 2-AMINOPYRIDINE SCAFFOLD. JRNL REF J. MED. CHEM. V. 62 2690 2019 JRNL REFN ISSN 1520-4804 JRNL PMID 30802056 JRNL DOI 10.1021/ACS.JMEDCHEM.8B02032 REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.11.1-2575_1496: ???) 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) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.82 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.010 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 79329 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 7376 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 37.8295 - 5.9894 0.95 4615 203 0.1509 0.1739 REMARK 3 2 5.9894 - 4.7569 0.96 4634 237 0.1389 0.1595 REMARK 3 3 4.7569 - 4.1565 0.97 4753 230 0.1201 0.1513 REMARK 3 4 4.1565 - 3.7768 0.98 4758 247 0.1336 0.1653 REMARK 3 5 3.7768 - 3.5063 0.98 4720 280 0.1384 0.1872 REMARK 3 6 3.5063 - 3.2997 0.99 4793 241 0.1537 0.2006 REMARK 3 7 3.2997 - 3.1346 0.99 4825 234 0.1617 0.2284 REMARK 3 8 3.1346 - 2.9982 0.99 4771 237 0.1717 0.2509 REMARK 3 9 2.9982 - 2.8828 0.99 4776 247 0.1663 0.2080 REMARK 3 10 2.8828 - 2.7834 0.99 4837 216 0.1760 0.2108 REMARK 3 11 2.7834 - 2.6963 0.99 4865 209 0.1784 0.1973 REMARK 3 12 2.6963 - 2.6193 0.99 4728 292 0.1856 0.2191 REMARK 3 13 2.6193 - 2.5504 0.99 4817 242 0.1742 0.2352 REMARK 3 14 2.5504 - 2.4881 0.99 4745 261 0.1957 0.2130 REMARK 3 15 2.4881 - 2.4316 0.99 4809 278 0.2063 0.2906 REMARK 3 16 2.4316 - 2.3799 0.99 4742 257 0.2059 0.2512 REMARK 3 17 2.3799 - 2.3323 0.99 4778 284 0.2145 0.2446 REMARK 3 18 2.3323 - 2.2882 0.99 4784 226 0.2339 0.2821 REMARK 3 19 2.2882 - 2.2474 0.99 4843 236 0.2399 0.3404 REMARK 3 20 2.2474 - 2.2093 0.99 4779 242 0.2502 0.2719 REMARK 3 21 2.2093 - 2.1737 0.99 4763 240 0.2528 0.3141 REMARK 3 22 2.1737 - 2.1402 0.99 4849 221 0.2656 0.3016 REMARK 3 23 2.1402 - 2.1087 0.99 4727 255 0.2831 0.3103 REMARK 3 24 2.1087 - 2.0790 0.99 4835 252 0.2892 0.3293 REMARK 3 25 2.0790 - 2.0510 0.99 4761 264 0.3075 0.3456 REMARK 3 26 2.0510 - 2.0243 0.99 4774 237 0.3133 0.3596 REMARK 3 27 2.0243 - 1.9990 0.99 4805 235 0.3401 0.4127 REMARK 3 28 1.9990 - 1.9749 0.99 4765 290 0.3494 0.3839 REMARK 3 29 1.9749 - 1.9520 0.99 4663 272 0.3499 0.3887 REMARK 3 30 1.9520 - 1.9300 0.99 4904 211 0.3639 0.4001 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) : 0.260 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.750 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 7142 REMARK 3 ANGLE : 0.954 9725 REMARK 3 CHIRALITY : 0.051 1005 REMARK 3 PLANARITY : 0.005 1229 REMARK 3 DIHEDRAL : 17.764 4178 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 302:722) REMARK 3 ORIGIN FOR THE GROUP (A): 117.6133 249.3607 358.5101 REMARK 3 T TENSOR REMARK 3 T11: 0.1986 T22: 0.2931 REMARK 3 T33: 0.2648 T12: -0.0092 REMARK 3 T13: 0.0294 T23: 0.0356 REMARK 3 L TENSOR REMARK 3 L11: 0.6693 L22: 0.9580 REMARK 3 L33: 2.4368 L12: -0.1363 REMARK 3 L13: -0.0182 L23: 0.2572 REMARK 3 S TENSOR REMARK 3 S11: 0.0130 S12: -0.0074 S13: 0.0239 REMARK 3 S21: -0.0435 S22: -0.0753 S23: -0.0359 REMARK 3 S31: 0.1177 S32: 0.1816 S33: 0.0617 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN B AND RESID 304:722) REMARK 3 ORIGIN FOR THE GROUP (A): 116.1526 248.0265 321.3534 REMARK 3 T TENSOR REMARK 3 T11: 0.2723 T22: 0.3345 REMARK 3 T33: 0.2978 T12: -0.0001 REMARK 3 T13: 0.0244 T23: -0.0399 REMARK 3 L TENSOR REMARK 3 L11: 0.6689 L22: 0.7307 REMARK 3 L33: 3.9328 L12: -0.3068 REMARK 3 L13: -0.1690 L23: 0.2032 REMARK 3 S TENSOR REMARK 3 S11: 0.0444 S12: 0.0682 S13: -0.0175 REMARK 3 S21: -0.0411 S22: -0.0566 S23: 0.0714 REMARK 3 S31: 0.0500 S32: -0.1299 S33: 0.0114 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 6NG2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JAN-19. REMARK 100 THE DEPOSITION ID IS D_1000236870. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-JUL-17 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 : BL14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.195 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 79425 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.930 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 (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : 0.09900 REMARK 200 R SYM (I) : 0.09900 REMARK 200 FOR THE DATA SET : 8.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.99 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 1.70300 REMARK 200 R SYM FOR SHELL (I) : 1.70300 REMARK 200 FOR SHELL : 0.800 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: PDB ENTRY 5AD7 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, 35 MM CITRIC ACID, 65 MM REMARK 280 BIS-TRIS PROPANE, 10% GLYCEROL, 5 MM TCEP, PH 7.2, VAPOR REMARK 280 DIFFUSION, 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 26.19500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 81.99000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 61.08000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 81.99000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.19500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 61.08000 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: 9300 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33990 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 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 CYS B 302 REMARK 465 PRO B 303 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OE1 GLU A 578 O HOH A 901 2.14 REMARK 500 O HOH B 1120 O HOH B 1142 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 GLU A 314 -2.53 69.07 REMARK 500 THR A 326 -81.49 -111.67 REMARK 500 LEU A 327 -165.86 -75.54 REMARK 500 GLU A 351 13.69 -68.90 REMARK 500 LYS A 428 76.89 -102.28 REMARK 500 THR A 471 -87.65 -112.79 REMARK 500 PHE A 522 59.21 -141.95 REMARK 500 CYS A 587 56.16 -146.66 REMARK 500 ARG A 608 -130.09 -118.74 REMARK 500 THR B 326 -35.24 -146.92 REMARK 500 THR B 471 -64.63 -109.46 REMARK 500 ASP B 494 9.83 -68.27 REMARK 500 SER B 496 -156.72 -78.91 REMARK 500 CYS B 587 58.69 -147.01 REMARK 500 ARG B 608 -130.96 -117.15 REMARK 500 ASN B 620 17.72 59.85 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 B 801 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 331 SG REMARK 620 2 CYS A 336 SG 109.7 REMARK 620 3 CYS B 331 SG 123.4 104.5 REMARK 620 4 CYS B 336 SG 101.6 100.6 114.9 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 100.4 REMARK 620 3 HEM A 801 NB 102.0 87.8 REMARK 620 4 HEM A 801 NC 98.2 161.4 89.8 REMARK 620 5 HEM A 801 ND 98.5 88.0 159.5 87.8 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 802 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 420 SG REMARK 620 2 HEM B 802 NA 100.6 REMARK 620 3 HEM B 802 NB 98.5 84.4 REMARK 620 4 HEM B 802 NC 98.9 160.3 90.1 REMARK 620 5 HEM B 802 ND 105.0 92.2 156.4 85.3 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 KM7 A 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN B 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue H4B B 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue KM7 B 804 DBREF 6NG2 A 302 722 UNP P29475 NOS1_HUMAN 302 722 DBREF 6NG2 B 302 722 UNP P29475 NOS1_HUMAN 302 722 SEQADV 6NG2 ALA A 354 UNP P29475 ARG 354 ENGINEERED MUTATION SEQADV 6NG2 ASP A 357 UNP P29475 GLY 357 ENGINEERED MUTATION SEQADV 6NG2 ALA B 354 UNP P29475 ARG 354 ENGINEERED MUTATION SEQADV 6NG2 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 KM7 A 803 23 HET ZN B 801 1 HET HEM B 802 43 HET H4B B 803 17 HET KM7 B 804 23 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM KM7 6-(2-{3-[3-(DIMETHYLAMINO)PROP-1-YN-1-YL]-5- HETNAM 2 KM7 FLUOROPHENYL}ETHYL)-4-METHYLPYRIDIN-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 KM7 2(C19 H22 F N3) FORMUL 6 ZN ZN 2+ FORMUL 10 HOH *589(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 PHE A 556 GLY A 563 5 8 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 ASN A 620 1 10 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 556 GLY B 563 5 8 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 HIS B 719 1 6 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 GLU A 710 N LEU A 576 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 GLU B 710 N LEU B 576 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 B 801 1555 1555 2.34 LINK SG CYS A 336 ZN ZN B 801 1555 1555 2.38 LINK SG CYS A 420 FE HEM A 801 1555 1555 2.38 LINK SG CYS B 331 ZN ZN B 801 1555 1555 2.37 LINK SG CYS B 336 ZN ZN B 801 1555 1555 2.35 LINK SG CYS B 420 FE HEM B 802 1555 1555 2.37 CISPEP 1 THR A 706 PRO A 707 0 0.27 CISPEP 2 THR B 706 PRO B 707 0 3.65 SITE 1 AC1 16 TRP A 414 CYS A 420 PHE A 589 SER A 590 SITE 2 AC1 16 TRP A 592 GLU A 597 TRP A 683 PHE A 709 SITE 3 AC1 16 TYR A 711 H4B A 802 KM7 A 803 HOH A 932 SITE 4 AC1 16 HOH A 943 HOH A 959 HOH A1019 HOH A1067 SITE 1 AC2 14 SER A 339 ARG A 601 VAL A 682 TRP A 683 SITE 2 AC2 14 HEM A 801 HOH A 935 HOH A 943 HOH A 955 SITE 3 AC2 14 HOH A1063 TRP B 681 PHE B 696 HIS B 697 SITE 4 AC2 14 GLN B 698 GLU B 699 SITE 1 AC3 9 MET A 341 GLN A 483 ARG A 486 TYR A 567 SITE 2 AC3 9 GLY A 591 TRP A 592 GLU A 597 HEM A 801 SITE 3 AC3 9 HOH A 943 SITE 1 AC4 4 CYS A 331 CYS A 336 CYS B 331 CYS B 336 SITE 1 AC5 17 TRP B 414 CYS B 420 SER B 462 PHE B 589 SITE 2 AC5 17 SER B 590 TRP B 592 GLU B 597 TRP B 683 SITE 3 AC5 17 PHE B 709 TYR B 711 H4B B 803 KM7 B 804 SITE 4 AC5 17 HOH B 936 HOH B 974 HOH B1015 HOH B1016 SITE 5 AC5 17 HOH B1058 SITE 1 AC6 15 TRP A 681 PHE A 696 HIS A 697 GLN A 698 SITE 2 AC6 15 GLU A 699 HOH A 963 SER B 339 ARG B 601 SITE 3 AC6 15 VAL B 682 TRP B 683 HEM B 802 HOH B 936 SITE 4 AC6 15 HOH B 948 HOH B1002 HOH B1007 SITE 1 AC7 11 MET B 341 GLN B 483 ARG B 486 TYR B 567 SITE 2 AC7 11 VAL B 572 TRP B 592 TYR B 593 GLU B 597 SITE 3 AC7 11 HEM B 802 HOH B 936 HOH B1057 CRYST1 52.390 122.160 163.980 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 0.019088 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008186 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006098 0.00000