HEADER OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 21-DEC-18 6NHC TITLE STRUCTURE OF HUMAN NEURONAL NITRIC OXIDE SYNTHASE R354A/G357D MUTANT TITLE 2 HEME DOMAIN IN COMPLEX WITH (S)-6-(2,3-DIFLUORO-5-(2-(1- TITLE 3 METHYLAZETIDIN-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 6NHC 1 REMARK REVDAT 3 04-DEC-19 6NHC 1 REMARK REVDAT 2 27-MAR-19 6NHC 1 JRNL REVDAT 1 13-MAR-19 6NHC 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. 2.16 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) : 2.16 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 49.74 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.070 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 57046 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.870 REMARK 3 FREE R VALUE TEST SET COUNT : 5280 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 49.7532 - 6.7065 1.00 3484 145 0.1535 0.1945 REMARK 3 2 6.7065 - 5.3251 1.00 3457 174 0.1689 0.2170 REMARK 3 3 5.3251 - 4.6525 1.00 3479 173 0.1419 0.1865 REMARK 3 4 4.6525 - 4.2274 1.00 3452 165 0.1314 0.1621 REMARK 3 5 4.2274 - 3.9245 1.00 3464 185 0.1356 0.1780 REMARK 3 6 3.9245 - 3.6932 1.00 3409 202 0.1452 0.1868 REMARK 3 7 3.6932 - 3.5083 1.00 3439 194 0.1556 0.1858 REMARK 3 8 3.5083 - 3.3556 1.00 3480 171 0.1773 0.2656 REMARK 3 9 3.3556 - 3.2265 1.00 3465 166 0.1965 0.2971 REMARK 3 10 3.2265 - 3.1151 1.00 3445 181 0.2136 0.2626 REMARK 3 11 3.1151 - 3.0178 1.00 3462 181 0.2128 0.2579 REMARK 3 12 3.0178 - 2.9315 1.00 3461 164 0.1925 0.2760 REMARK 3 13 2.9315 - 2.8543 0.99 3453 178 0.2103 0.2623 REMARK 3 14 2.8543 - 2.7847 1.00 3454 144 0.2225 0.2859 REMARK 3 15 2.7847 - 2.7214 0.99 3438 158 0.2416 0.2904 REMARK 3 16 2.7214 - 2.6635 1.00 3490 185 0.2570 0.3546 REMARK 3 17 2.6635 - 2.6102 0.99 3334 201 0.2492 0.3448 REMARK 3 18 2.6102 - 2.5610 0.99 3529 163 0.2470 0.3731 REMARK 3 19 2.5610 - 2.5152 0.99 3425 177 0.2599 0.2778 REMARK 3 20 2.5152 - 2.4726 0.99 3356 201 0.2599 0.3003 REMARK 3 21 2.4726 - 2.4327 0.99 3465 197 0.2771 0.2734 REMARK 3 22 2.4327 - 2.3953 0.99 3414 178 0.2694 0.3436 REMARK 3 23 2.3953 - 2.3601 0.99 3404 198 0.2782 0.3297 REMARK 3 24 2.3601 - 2.3268 0.99 3413 208 0.2881 0.3374 REMARK 3 25 2.3268 - 2.2954 0.99 3459 146 0.2828 0.3389 REMARK 3 26 2.2954 - 2.2656 0.99 3366 181 0.2977 0.3848 REMARK 3 27 2.2656 - 2.2372 0.99 3498 168 0.3070 0.4211 REMARK 3 28 2.2372 - 2.2103 0.99 3417 165 0.3100 0.3755 REMARK 3 29 2.2103 - 2.1846 0.98 3334 155 0.3253 0.3523 REMARK 3 30 2.1846 - 2.1600 0.97 3428 176 0.3465 0.4422 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) : 0.300 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.180 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 : 0.008 7197 REMARK 3 ANGLE : 1.159 9800 REMARK 3 CHIRALITY : 0.054 1014 REMARK 3 PLANARITY : 0.005 1235 REMARK 3 DIHEDRAL : 18.087 4211 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): 117.4531 249.6788 360.5828 REMARK 3 T TENSOR REMARK 3 T11: 0.3860 T22: 0.4478 REMARK 3 T33: 0.4594 T12: -0.0881 REMARK 3 T13: 0.0585 T23: 0.0283 REMARK 3 L TENSOR REMARK 3 L11: 0.7965 L22: 1.2620 REMARK 3 L33: 2.4161 L12: -0.3661 REMARK 3 L13: 0.0237 L23: 0.2198 REMARK 3 S TENSOR REMARK 3 S11: -0.0123 S12: -0.0245 S13: -0.0246 REMARK 3 S21: 0.0581 S22: -0.1373 S23: -0.0139 REMARK 3 S31: 0.1128 S32: 0.0621 S33: 0.1319 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN B AND RESID 304:722) REMARK 3 ORIGIN FOR THE GROUP (A): 115.5295 248.2662 323.2526 REMARK 3 T TENSOR REMARK 3 T11: 0.3831 T22: 0.5266 REMARK 3 T33: 0.4519 T12: 0.0355 REMARK 3 T13: 0.0037 T23: -0.0974 REMARK 3 L TENSOR REMARK 3 L11: 0.6227 L22: 1.3151 REMARK 3 L33: 3.4085 L12: -0.1666 REMARK 3 L13: -0.0235 L23: 0.0455 REMARK 3 S TENSOR REMARK 3 S11: 0.0798 S12: 0.1379 S13: -0.0812 REMARK 3 S21: -0.1367 S22: -0.2126 S23: 0.1895 REMARK 3 S31: 0.0183 S32: -0.2868 S33: 0.1215 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 6NHC 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_1000238569. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-NOV-18 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 : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) 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 : 57159 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.160 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 : 7.400 REMARK 200 R MERGE (I) : 0.11500 REMARK 200 R SYM (I) : 0.11500 REMARK 200 FOR THE DATA SET : 12.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.16 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.25 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : 7.70 REMARK 200 R MERGE FOR SHELL (I) : 3.26100 REMARK 200 R SYM FOR SHELL (I) : 3.26100 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 26.08850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 82.33850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 61.17300 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 82.33850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.08850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 61.17300 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: 9950 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33940 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 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 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 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 OE2 GLU A 392 O HOH A 901 2.08 REMARK 500 O HOH B 963 O HOH B 1018 2.18 REMARK 500 O HOH B 947 O HOH B 996 2.19 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 -52.29 -125.34 REMARK 500 PRO A 343 -164.82 -75.47 REMARK 500 GLU A 351 29.94 -73.90 REMARK 500 THR A 471 -83.60 -120.35 REMARK 500 CYS A 587 60.09 -151.75 REMARK 500 ARG A 608 -137.76 -125.37 REMARK 500 THR B 326 -14.46 -145.34 REMARK 500 ASP B 352 31.98 -82.88 REMARK 500 SER B 496 -168.77 -78.46 REMARK 500 CYS B 587 52.96 -150.26 REMARK 500 ARG B 608 -139.21 -127.62 REMARK 500 CYS B 677 102.35 -161.09 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 112.4 REMARK 620 3 CYS B 331 SG 120.4 105.5 REMARK 620 4 CYS B 336 SG 106.7 100.0 109.9 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 98.1 REMARK 620 3 HEM A 801 NB 102.7 89.1 REMARK 620 4 HEM A 801 NC 100.5 161.4 87.3 REMARK 620 5 HEM A 801 ND 100.1 92.2 156.8 84.1 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 101.0 REMARK 620 3 HEM B 802 NB 103.8 84.7 REMARK 620 4 HEM B 802 NC 102.4 156.6 89.6 REMARK 620 5 HEM B 802 ND 101.8 88.6 154.4 86.9 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 KNV 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 GOL A 805 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN B 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue H4B B 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue KNV B 804 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL B 805 DBREF 6NHC A 302 722 UNP P29475 NOS1_HUMAN 302 722 DBREF 6NHC B 302 722 UNP P29475 NOS1_HUMAN 302 722 SEQADV 6NHC ALA A 354 UNP P29475 ARG 354 ENGINEERED MUTATION SEQADV 6NHC ASP A 357 UNP P29475 GLY 357 ENGINEERED MUTATION SEQADV 6NHC ALA B 354 UNP P29475 ARG 354 ENGINEERED MUTATION SEQADV 6NHC 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 KNV A 803 25 HET GOL A 804 6 HET GOL A 805 6 HET ZN B 801 1 HET HEM B 802 43 HET H4B B 803 17 HET KNV B 804 25 HET GOL B 805 6 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM KNV 6-[2-(2,3-DIFLUORO-5-{2-[(2S)-1-METHYLAZETIDIN-2- HETNAM 2 KNV 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 KNV 2(C20 H25 F2 N3) FORMUL 6 GOL 3(C3 H8 O3) FORMUL 8 ZN ZN 2+ FORMUL 13 HOH *277(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 LEU A 629 ASP A 649 1 21 HELIX 15 AB6 ASP A 655 GLY A 675 1 21 HELIX 16 AB7 ASP A 680 VAL A 685 1 6 HELIX 17 AB8 SER A 689 GLN A 698 5 10 HELIX 18 AB9 ASP A 714 HIS A 719 1 6 HELIX 19 AC1 THR B 320 SER B 325 5 6 HELIX 20 AC2 THR B 355 ILE B 374 1 20 HELIX 21 AC3 SER B 379 SER B 397 1 19 HELIX 22 AC4 LYS B 402 ASN B 416 1 15 HELIX 23 AC5 GLY B 422 TRP B 426 5 5 HELIX 24 AC6 THR B 439 ASN B 456 1 18 HELIX 25 AC7 LYS B 457 ASN B 459 5 3 HELIX 26 AC8 ASN B 503 GLN B 512 1 10 HELIX 27 AC9 PRO B 542 VAL B 546 5 5 HELIX 28 AD1 PHE B 559 GLY B 563 5 5 HELIX 29 AD2 GLY B 595 VAL B 600 1 6 HELIX 30 AD3 VAL B 600 ASP B 605 1 6 HELIX 31 AD4 ILE B 611 MET B 619 1 9 HELIX 32 AD5 LYS B 625 SER B 628 5 4 HELIX 33 AD6 LEU B 629 ASP B 649 1 21 HELIX 34 AD7 ASP B 655 GLY B 675 1 21 HELIX 35 AD8 ASP B 680 VAL B 685 1 6 HELIX 36 AD9 SER B 689 THR B 693 5 5 HELIX 37 AE1 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 ASN A 702 TYR A 703 0 SHEET 2 AA8 2 ILE B 335 CYS B 336 -1 O CYS B 336 N ASN A 702 SHEET 1 AA9 2 LEU B 306 LYS B 309 0 SHEET 2 AA9 2 VAL B 316 ASP B 319 -1 O ASP B 319 N LEU B 306 SHEET 1 AB1 4 GLN B 430 ASP B 433 0 SHEET 2 AB1 4 ALA B 463 ILE B 466 1 O ILE B 464 N PHE B 432 SHEET 3 AB1 4 PHE B 589 SER B 590 -1 O SER B 590 N ALA B 463 SHEET 4 AB1 4 ALA B 571 VAL B 572 -1 N VAL B 572 O PHE B 589 SHEET 1 AB2 3 ARG B 478 VAL B 479 0 SHEET 2 AB2 3 LEU B 527 GLN B 530 -1 O GLN B 530 N ARG B 478 SHEET 3 AB2 3 GLU B 537 PHE B 539 -1 O PHE B 539 N LEU B 527 SHEET 1 AB3 2 GLY B 489 LYS B 491 0 SHEET 2 AB3 2 THR B 497 GLY B 499 -1 O LEU B 498 N TYR B 490 SHEET 1 AB4 2 GLU B 548 PRO B 550 0 SHEET 2 AB4 2 LYS B 565 TYR B 567 -1 O TRP B 566 N VAL B 549 SHEET 1 AB5 3 LEU B 582 PHE B 584 0 SHEET 2 AB5 3 LEU B 576 ILE B 579 -1 N ILE B 579 O LEU B 582 SHEET 3 AB5 3 SER B 708 GLU B 710 -1 O GLU B 710 N LEU B 576 SHEET 1 AB6 2 TYR B 593 MET B 594 0 SHEET 2 AB6 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 2.45 LINK SG CYS A 336 ZN ZN B 801 1555 1555 2.39 LINK SG CYS A 420 FE HEM A 801 1555 1555 2.30 LINK SG CYS B 331 ZN ZN B 801 1555 1555 2.45 LINK SG CYS B 336 ZN ZN B 801 1555 1555 2.31 LINK SG CYS B 420 FE HEM B 802 1555 1555 2.40 CISPEP 1 CYS A 302 PRO A 303 0 5.68 CISPEP 2 THR A 706 PRO A 707 0 3.99 CISPEP 3 THR A 706 PRO A 707 0 3.38 CISPEP 4 THR B 706 PRO B 707 0 5.83 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 KNV A 803 SITE 4 AC1 15 HOH A 922 HOH A 950 HOH A 962 SITE 1 AC2 13 SER A 339 ARG A 601 VAL A 682 TRP A 683 SITE 2 AC2 13 HEM A 801 KNV A 803 HOH A 935 HOH A 956 SITE 3 AC2 13 TRP B 681 PHE B 696 HIS B 697 GLN B 698 SITE 4 AC2 13 GLU B 699 SITE 1 AC3 15 GLN A 483 TYR A 567 VAL A 572 PHE A 589 SITE 2 AC3 15 GLY A 591 TRP A 592 TYR A 593 GLU A 597 SITE 3 AC3 15 ARG A 601 ASP A 602 ARG A 608 HEM A 801 SITE 4 AC3 15 H4B A 802 HOH A 949 HOH A 962 SITE 1 AC4 1 ARG A 674 SITE 1 AC5 4 LYS A 411 LEU A 429 GLN A 430 VAL A 431 SITE 1 AC6 4 CYS A 331 CYS A 336 CYS B 331 CYS B 336 SITE 1 AC7 14 TRP B 414 ARG B 419 CYS B 420 SER B 462 SITE 2 AC7 14 PHE B 589 SER B 590 TRP B 592 GLU B 597 SITE 3 AC7 14 TRP B 683 PHE B 709 TYR B 711 H4B B 803 SITE 4 AC7 14 KNV B 804 HOH B 916 SITE 1 AC8 13 PHE A 696 HIS A 697 GLN A 698 GLU A 699 SITE 2 AC8 13 HOH A 902 SER B 339 MET B 341 ARG B 601 SITE 3 AC8 13 VAL B 682 TRP B 683 HEM B 802 KNV B 804 SITE 4 AC8 13 HOH B 959 SITE 1 AC9 12 GLN B 483 TYR B 567 VAL B 572 PHE B 589 SITE 2 AC9 12 TRP B 592 TYR B 593 GLU B 597 ARG B 601 SITE 3 AC9 12 ASP B 602 HEM B 802 H4B B 803 HOH B1014 SITE 1 AD1 1 ARG B 674 CRYST1 52.177 122.346 164.677 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 0.019166 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008174 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006072 0.00000