HEADER OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 21-DEC-18 6NG5 TITLE STRUCTURE OF HUMAN NEURONAL NITRIC OXIDE SYNTHASE R354A/G357D MUTANT TITLE 2 HEME DOMAIN IN COMPLEX WITH (R)-6-(3-FLUORO-5-(2-(1-METHYLPYRROLIDIN- TITLE 3 2-YL)ETHYL)PHENETHYL)-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 6NG5 1 LINK REVDAT 3 04-DEC-19 6NG5 1 REMARK REVDAT 2 27-MAR-19 6NG5 1 JRNL REVDAT 1 13-MAR-19 6NG5 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. 1.96 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) : 1.96 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.06 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.840 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 75209 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 : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 7025 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 39.0677 - 6.0826 0.99 4667 209 0.1572 0.1956 REMARK 3 2 6.0826 - 4.8308 1.00 4639 234 0.1482 0.1704 REMARK 3 3 4.8308 - 4.2210 0.99 4642 222 0.1222 0.1365 REMARK 3 4 4.2210 - 3.8354 1.00 4618 252 0.1328 0.1883 REMARK 3 5 3.8354 - 3.5607 1.00 4640 258 0.1424 0.1815 REMARK 3 6 3.5607 - 3.3509 1.00 4663 242 0.1507 0.1891 REMARK 3 7 3.3509 - 3.1831 1.00 4642 250 0.1610 0.2078 REMARK 3 8 3.1831 - 3.0446 1.00 4647 223 0.1804 0.2263 REMARK 3 9 3.0446 - 2.9275 0.99 4591 227 0.1781 0.2482 REMARK 3 10 2.9275 - 2.8265 1.00 4675 227 0.1853 0.2194 REMARK 3 11 2.8265 - 2.7381 1.00 4671 217 0.1817 0.2303 REMARK 3 12 2.7381 - 2.6599 1.00 4640 233 0.1909 0.2302 REMARK 3 13 2.6599 - 2.5899 1.00 4626 257 0.1846 0.2560 REMARK 3 14 2.5899 - 2.5267 1.00 4668 228 0.1870 0.2297 REMARK 3 15 2.5267 - 2.4693 1.00 4588 274 0.2022 0.2504 REMARK 3 16 2.4693 - 2.4167 1.00 4659 262 0.2186 0.2712 REMARK 3 17 2.4167 - 2.3684 1.00 4592 244 0.2099 0.2649 REMARK 3 18 2.3684 - 2.3237 1.00 4656 274 0.2255 0.2707 REMARK 3 19 2.3237 - 2.2822 0.99 4566 225 0.2362 0.2985 REMARK 3 20 2.2822 - 2.2435 1.00 4700 225 0.2604 0.2966 REMARK 3 21 2.2435 - 2.2073 1.00 4623 227 0.2569 0.2804 REMARK 3 22 2.2073 - 2.1734 0.99 4568 235 0.2738 0.3217 REMARK 3 23 2.1734 - 2.1414 0.99 4689 194 0.2953 0.3404 REMARK 3 24 2.1414 - 2.1113 1.00 4602 274 0.3058 0.3371 REMARK 3 25 2.1113 - 2.0827 0.99 4595 240 0.3223 0.3701 REMARK 3 26 2.0827 - 2.0557 0.97 4530 246 0.3200 0.3429 REMARK 3 27 2.0557 - 2.0300 0.97 4556 189 0.3293 0.3465 REMARK 3 28 2.0300 - 2.0055 0.96 4446 239 0.3559 0.4275 REMARK 3 29 2.0055 - 1.9822 0.88 4123 231 0.3592 0.3353 REMARK 3 30 1.9822 - 1.9599 0.60 2760 167 0.4206 0.4251 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) : 0.290 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.110 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 7134 REMARK 3 ANGLE : 1.013 9710 REMARK 3 CHIRALITY : 0.051 1004 REMARK 3 PLANARITY : 0.005 1224 REMARK 3 DIHEDRAL : 17.969 4168 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): 117.6983 249.1894 360.6686 REMARK 3 T TENSOR REMARK 3 T11: 0.2144 T22: 0.2674 REMARK 3 T33: 0.2681 T12: -0.0171 REMARK 3 T13: 0.0329 T23: 0.0378 REMARK 3 L TENSOR REMARK 3 L11: 0.8870 L22: 1.0272 REMARK 3 L33: 2.4972 L12: -0.2136 REMARK 3 L13: -0.0733 L23: 0.2830 REMARK 3 S TENSOR REMARK 3 S11: 0.0167 S12: -0.0041 S13: 0.0270 REMARK 3 S21: -0.0533 S22: -0.0747 S23: -0.0531 REMARK 3 S31: 0.1392 S32: 0.1737 S33: 0.0640 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN B AND RESID 304:722) REMARK 3 ORIGIN FOR THE GROUP (A): 116.1147 247.7171 323.2544 REMARK 3 T TENSOR REMARK 3 T11: 0.2721 T22: 0.3430 REMARK 3 T33: 0.3010 T12: 0.0020 REMARK 3 T13: 0.0230 T23: -0.0346 REMARK 3 L TENSOR REMARK 3 L11: 0.7251 L22: 0.7988 REMARK 3 L33: 3.9585 L12: -0.3471 REMARK 3 L13: -0.1487 L23: 0.1165 REMARK 3 S TENSOR REMARK 3 S11: 0.0478 S12: 0.0881 S13: -0.0216 REMARK 3 S21: -0.0759 S22: -0.0604 S23: 0.1037 REMARK 3 S31: 0.0686 S32: -0.2088 S33: 0.0132 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 6NG5 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_1000236881. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAR-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 : BL12-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.033 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 76935 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.960 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 (%) : 99.8 REMARK 200 DATA REDUNDANCY : 7.400 REMARK 200 R MERGE (I) : 0.10800 REMARK 200 R SYM (I) : 0.10800 REMARK 200 FOR THE DATA SET : 9.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.96 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.2 REMARK 200 DATA REDUNDANCY IN SHELL : 7.30 REMARK 200 R MERGE FOR SHELL (I) : 3.85700 REMARK 200 R SYM FOR SHELL (I) : 3.85700 REMARK 200 FOR SHELL : 1.000 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 26.20500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 82.45550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 61.03200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 82.45550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.20500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 61.03200 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: 9770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 34170 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -86.0 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 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 O HOH A 1090 O HOH A 1191 2.06 REMARK 500 O HOH A 1036 O HOH A 1173 2.13 REMARK 500 O HOH A 1086 O HOH A 1095 2.17 REMARK 500 O HOH A 1203 O HOH A 1204 2.19 REMARK 500 OE1 GLU A 578 O HOH A 901 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 HOH A 1067 O HOH B 1101 2995 2.16 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 326 -63.46 -107.77 REMARK 500 LEU A 327 -166.21 -104.24 REMARK 500 VAL A 353 153.26 67.99 REMARK 500 LYS A 428 74.92 -102.75 REMARK 500 THR A 471 -82.05 -115.50 REMARK 500 CYS A 587 59.31 -148.07 REMARK 500 ARG A 608 -130.90 -117.48 REMARK 500 CYS A 677 101.99 -161.11 REMARK 500 THR B 326 -40.15 -137.79 REMARK 500 THR B 471 -91.81 -113.83 REMARK 500 CYS B 587 59.67 -148.81 REMARK 500 ARG B 608 -133.25 -115.64 REMARK 500 CYS B 677 105.32 -162.05 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 B1124 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 ZN A 805 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 331 SG REMARK 620 2 CYS A 336 SG 109.9 REMARK 620 3 CYS B 331 SG 122.5 106.0 REMARK 620 4 CYS B 336 SG 100.8 101.7 114.1 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 100.3 REMARK 620 3 HEM A 801 NB 100.3 85.2 REMARK 620 4 HEM A 801 NC 100.4 159.2 89.8 REMARK 620 5 HEM A 801 ND 102.0 89.9 157.7 87.1 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 103.2 REMARK 620 3 HEM B 801 NB 100.4 83.6 REMARK 620 4 HEM B 801 NC 97.7 159.0 90.3 REMARK 620 5 HEM B 801 ND 103.2 92.0 156.3 85.6 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 KMD A 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 804 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 805 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue H4B B 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue KMD B 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL B 804 DBREF 6NG5 A 302 722 UNP P29475 NOS1_HUMAN 302 722 DBREF 6NG5 B 302 722 UNP P29475 NOS1_HUMAN 302 722 SEQADV 6NG5 ALA A 354 UNP P29475 ARG 354 ENGINEERED MUTATION SEQADV 6NG5 ASP A 357 UNP P29475 GLY 357 ENGINEERED MUTATION SEQADV 6NG5 ALA B 354 UNP P29475 ARG 354 ENGINEERED MUTATION SEQADV 6NG5 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 KMD A 803 25 HET GOL A 804 6 HET ZN A 805 1 HET HEM B 801 43 HET H4B B 802 17 HET KMD B 803 25 HET GOL B 804 6 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM KMD 6-[2-(3-FLUORO-5-{2-[(2R)-1-METHYLPYRROLIDIN-2- HETNAM 2 KMD YL]ETHYL}PHENYL)ETHYL]-4-METHYLPYRIDIN-2-AMINE HETNAM GOL GLYCEROL HETNAM ZN ZINC ION HETSYN HEM HEME HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 H4B 2(C9 H15 N5 O3) FORMUL 5 KMD 2(C21 H28 F N3) FORMUL 6 GOL 2(C3 H8 O3) FORMUL 7 ZN ZN 2+ FORMUL 12 HOH *539(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 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 THR A 693 5 5 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 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 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 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 805 1555 1555 2.30 LINK SG CYS A 336 ZN ZN A 805 1555 1555 2.35 LINK SG CYS A 420 FE HEM A 801 1555 1555 2.38 LINK ZN ZN A 805 SG CYS B 331 1555 1555 2.30 LINK ZN ZN A 805 SG CYS B 336 1555 1555 2.33 LINK SG CYS B 420 FE HEM B 801 1555 1555 2.36 CISPEP 1 THR A 706 PRO A 707 0 -0.17 CISPEP 2 THR B 706 PRO B 707 0 3.46 SITE 1 AC1 15 TRP A 414 ARG A 419 CYS A 420 PHE A 589 SITE 2 AC1 15 SER A 590 TRP A 592 GLU A 597 TRP A 683 SITE 3 AC1 15 PHE A 709 TYR A 711 H4B A 802 KMD A 803 SITE 4 AC1 15 HOH A 923 HOH A 949 HOH A1046 SITE 1 AC2 16 SER A 339 MET A 341 ARG A 601 VAL A 682 SITE 2 AC2 16 TRP A 683 HEM A 801 KMD A 803 HOH A 982 SITE 3 AC2 16 HOH A 990 HOH A1015 HOH A1029 TRP B 681 SITE 4 AC2 16 PHE B 696 HIS B 697 GLN B 698 GLU B 699 SITE 1 AC3 10 GLN A 483 ARG A 486 TYR A 567 GLY A 591 SITE 2 AC3 10 TRP A 592 TYR A 593 GLU A 597 HEM A 801 SITE 3 AC3 10 H4B A 802 HOH A1046 SITE 1 AC4 2 GLN A 369 ARG A 674 SITE 1 AC5 4 CYS A 331 CYS A 336 CYS B 331 CYS B 336 SITE 1 AC6 15 TRP B 414 ARG B 419 CYS B 420 SER B 462 SITE 2 AC6 15 PHE B 589 SER B 590 TRP B 592 GLU B 597 SITE 3 AC6 15 TRP B 683 PHE B 709 TYR B 711 H4B B 802 SITE 4 AC6 15 KMD B 803 HOH B 904 HOH B 987 SITE 1 AC7 14 TRP A 681 PHE A 696 HIS A 697 GLN A 698 SITE 2 AC7 14 GLU A 699 SER B 339 ARG B 601 VAL B 682 SITE 3 AC7 14 TRP B 683 HEM B 801 KMD B 803 HOH B 934 SITE 4 AC7 14 HOH B1005 HOH B1012 SITE 1 AC8 9 GLN B 483 ARG B 486 TYR B 567 PHE B 589 SITE 2 AC8 9 TRP B 592 TYR B 593 GLU B 597 HEM B 801 SITE 3 AC8 9 H4B B 802 SITE 1 AC9 3 GLN B 369 ARG B 674 HOH B 960 CRYST1 52.410 122.064 164.911 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 0.019080 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008192 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006064 0.00000