HEADER OXIDOREDUCTASE 31-JAN-22 7TSG TITLE STRUCTURE OF HUMAN ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN TITLE 2 COMPLEX WITH 6-(3-(DIMETHYLAMINO)PROPYL)-4-METHYLPYRIDIN-2-AMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE, ENDOTHELIAL; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: CONSTITUTIVE NOS,CNOS,EC-NOS,ENDOTHELIAL NOS,ENOS,NOS TYPE COMPND 5 III,NOSIII; COMPND 6 EC: 1.14.13.39; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL: ENDOTHELIAL; SOURCE 6 GENE: NOS3; 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, HEME ENZYME, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR H.LI,T.L.POULOS REVDAT 2 18-OCT-23 7TSG 1 REMARK REVDAT 1 13-JUL-22 7TSG 0 JRNL AUTH D.VASU,H.LI,C.D.HARDY,T.L.POULOS,R.B.SILVERMAN JRNL TITL 2-AMINOPYRIDINES WITH A SHORTENED AMINO SIDECHAIN AS POTENT, JRNL TITL 2 SELECTIVE, AND HIGHLY PERMEABLE HUMAN NEURONAL NITRIC OXIDE JRNL TITL 3 SYNTHASE INHIBITORS. JRNL REF BIOORG.MED.CHEM. V. 69 16878 2022 JRNL REFN ESSN 1464-3391 JRNL PMID 35772285 JRNL DOI 10.1016/J.BMC.2022.116878 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.11.1_2575 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.21 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.490 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.8 REMARK 3 NUMBER OF REFLECTIONS : 160292 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.218 REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.262 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.050 REMARK 3 FREE R VALUE TEST SET COUNT : 15992 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 39.2099 - 5.7439 0.98 10393 484 0.1908 0.2148 REMARK 3 2 5.7439 - 4.5613 1.00 10510 542 0.1541 0.1979 REMARK 3 3 4.5613 - 3.9854 0.97 10247 548 0.1605 0.2186 REMARK 3 4 3.9854 - 3.6213 0.97 10314 543 0.1768 0.2129 REMARK 3 5 3.6213 - 3.3619 0.99 10406 570 0.1907 0.2293 REMARK 3 6 3.3619 - 3.1638 0.99 10459 555 0.2042 0.2631 REMARK 3 7 3.1638 - 3.0054 0.99 10496 483 0.2153 0.2818 REMARK 3 8 3.0054 - 2.8746 0.99 10542 558 0.2243 0.2825 REMARK 3 9 2.8746 - 2.7640 0.96 10161 528 0.2253 0.2877 REMARK 3 10 2.7640 - 2.6686 0.98 10288 569 0.2177 0.2829 REMARK 3 11 2.6686 - 2.5852 0.99 10373 608 0.2025 0.2559 REMARK 3 12 2.5852 - 2.5113 0.98 10398 514 0.2172 0.2579 REMARK 3 13 2.5113 - 2.4452 0.98 10381 606 0.2319 0.2853 REMARK 3 14 2.4452 - 2.3855 0.99 10346 561 0.2296 0.2906 REMARK 3 15 2.3855 - 2.3313 0.99 10483 558 0.2364 0.2759 REMARK 3 16 2.3313 - 2.2817 0.99 10456 556 0.2514 0.3020 REMARK 3 17 2.2817 - 2.2361 0.99 10443 530 0.2928 0.3509 REMARK 3 18 2.2361 - 2.1939 0.98 10418 535 0.2758 0.3116 REMARK 3 19 2.1939 - 2.1547 0.95 9986 540 0.2966 0.3408 REMARK 3 20 2.1547 - 2.1182 0.97 10259 586 0.2929 0.3035 REMARK 3 21 2.1182 - 2.0840 0.98 10294 608 0.2910 0.3451 REMARK 3 22 2.0840 - 2.0520 0.98 10336 599 0.3056 0.3259 REMARK 3 23 2.0520 - 2.0218 0.98 10342 559 0.3207 0.3513 REMARK 3 24 2.0218 - 1.9933 0.98 10302 550 0.3429 0.4120 REMARK 3 25 1.9933 - 1.9664 0.95 10153 550 0.3590 0.3443 REMARK 3 26 1.9664 - 1.9408 0.91 9551 487 0.3500 0.3887 REMARK 3 27 1.9408 - 1.9166 0.97 10374 510 0.4043 0.4744 REMARK 3 28 1.9166 - 1.8935 0.84 8926 464 0.4149 0.4417 REMARK 3 29 1.8935 - 1.8715 0.63 6549 401 0.4404 0.4485 REMARK 3 30 1.8715 - 1.8504 0.60 6419 290 0.4419 0.4199 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.330 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.990 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.35 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 54.45 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 : 0.010 13767 REMARK 3 ANGLE : 0.999 18752 REMARK 3 CHIRALITY : 0.055 1950 REMARK 3 PLANARITY : 0.006 2409 REMARK 3 DIHEDRAL : 15.030 8038 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ( CHAIN A AND RESID 68:480 ) REMARK 3 ORIGIN FOR THE GROUP (A): 63.569 32.044 -186.115 REMARK 3 T TENSOR REMARK 3 T11: 0.5248 T22: 0.4280 REMARK 3 T33: 0.4009 T12: 0.1670 REMARK 3 T13: 0.1307 T23: 0.1956 REMARK 3 L TENSOR REMARK 3 L11: 0.6626 L22: 1.7875 REMARK 3 L33: 1.7657 L12: 0.3104 REMARK 3 L13: -0.3199 L23: -0.5772 REMARK 3 S TENSOR REMARK 3 S11: 0.1700 S12: 0.3426 S13: 0.2371 REMARK 3 S21: 0.1312 S22: 0.2379 S23: 0.3440 REMARK 3 S31: -0.6314 S32: -0.4155 S33: -0.1188 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: ( CHAIN B AND RESID 68:480 ) REMARK 3 ORIGIN FOR THE GROUP (A): 73.728 8.619 -158.220 REMARK 3 T TENSOR REMARK 3 T11: 0.2339 T22: 0.1756 REMARK 3 T33: 0.2325 T12: -0.0125 REMARK 3 T13: -0.0000 T23: 0.0081 REMARK 3 L TENSOR REMARK 3 L11: 1.0090 L22: 1.3069 REMARK 3 L33: 2.1094 L12: -0.2344 REMARK 3 L13: -0.1565 L23: -1.1111 REMARK 3 S TENSOR REMARK 3 S11: 0.0041 S12: -0.0683 S13: 0.0151 REMARK 3 S21: 0.3019 S22: 0.1333 S23: 0.0681 REMARK 3 S31: -0.2005 S32: -0.1396 S33: -0.0914 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: ( CHAIN C AND RESID 68:480 ) REMARK 3 ORIGIN FOR THE GROUP (A): 92.486 -34.367 -196.123 REMARK 3 T TENSOR REMARK 3 T11: 0.6327 T22: 0.2970 REMARK 3 T33: 0.3128 T12: -0.0075 REMARK 3 T13: -0.0557 T23: 0.0919 REMARK 3 L TENSOR REMARK 3 L11: 0.5522 L22: 1.4870 REMARK 3 L33: 1.6157 L12: -0.1701 REMARK 3 L13: 0.2997 L23: -0.1826 REMARK 3 S TENSOR REMARK 3 S11: 0.1016 S12: -0.2281 S13: -0.1866 REMARK 3 S21: 0.0559 S22: 0.0590 S23: 0.1616 REMARK 3 S31: 0.6070 S32: -0.2063 S33: -0.0651 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: ( CHAIN D AND RESID 68:480 ) REMARK 3 ORIGIN FOR THE GROUP (A): 102.761 -10.517 -223.434 REMARK 3 T TENSOR REMARK 3 T11: 0.2718 T22: 0.1937 REMARK 3 T33: 0.2405 T12: 0.0345 REMARK 3 T13: -0.0116 T23: -0.0035 REMARK 3 L TENSOR REMARK 3 L11: 0.6961 L22: 0.6856 REMARK 3 L33: 1.9721 L12: 0.2459 REMARK 3 L13: 0.0942 L23: -0.1796 REMARK 3 S TENSOR REMARK 3 S11: -0.0390 S12: 0.0747 S13: -0.0161 REMARK 3 S21: -0.0894 S22: 0.1141 S23: 0.0003 REMARK 3 S31: -0.0038 S32: 0.0445 S33: -0.0685 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 7TSG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-FEB-22. REMARK 100 THE DEPOSITION ID IS D_1000262631. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JAN-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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) : 0.9795 REMARK 200 MONOCHROMATOR : NULL 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 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 166183 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 39.210 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 4.700 REMARK 200 R MERGE (I) : 0.14500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.88 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.40 REMARK 200 R MERGE FOR SHELL (I) : 2.90000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: 5UO8 REMARK 200 REMARK 200 REMARK: RODS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10-12% PEG3350, 0.1M BIS-TRIS 0.2-0.3M REMARK 280 MG ACETATE, 0.1M GDCL3 10% GLYCEROL, 5 MM TCEP, PH 7.5, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 77.12500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11510 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33700 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -158.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 34100 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -153.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ALA A 41 REMARK 465 PRO A 42 REMARK 465 ALA A 43 REMARK 465 SER A 44 REMARK 465 LEU A 45 REMARK 465 LEU A 46 REMARK 465 PRO A 47 REMARK 465 PRO A 48 REMARK 465 ALA A 49 REMARK 465 PRO A 50 REMARK 465 GLU A 51 REMARK 465 HIS A 52 REMARK 465 SER A 53 REMARK 465 PRO A 54 REMARK 465 PRO A 55 REMARK 465 SER A 56 REMARK 465 SER A 57 REMARK 465 PRO A 58 REMARK 465 LEU A 59 REMARK 465 THR A 60 REMARK 465 GLN A 61 REMARK 465 PRO A 62 REMARK 465 PRO A 63 REMARK 465 GLU A 64 REMARK 465 GLY A 65 REMARK 465 PRO A 66 REMARK 465 LYS A 67 REMARK 465 ARG A 107 REMARK 465 LYS A 108 REMARK 465 LEU A 109 REMARK 465 GLN A 110 REMARK 465 GLY A 111 REMARK 465 ARG A 112 REMARK 465 PRO A 113 REMARK 465 SER A 114 REMARK 465 PRO A 115 REMARK 465 GLY A 116 REMARK 465 PRO A 117 REMARK 465 PRO A 118 REMARK 465 ALA A 119 REMARK 465 ALA B 41 REMARK 465 PRO B 42 REMARK 465 ALA B 43 REMARK 465 SER B 44 REMARK 465 LEU B 45 REMARK 465 LEU B 46 REMARK 465 PRO B 47 REMARK 465 PRO B 48 REMARK 465 ALA B 49 REMARK 465 PRO B 50 REMARK 465 GLU B 51 REMARK 465 HIS B 52 REMARK 465 SER B 53 REMARK 465 PRO B 54 REMARK 465 PRO B 55 REMARK 465 SER B 56 REMARK 465 SER B 57 REMARK 465 PRO B 58 REMARK 465 LEU B 59 REMARK 465 THR B 60 REMARK 465 GLN B 61 REMARK 465 PRO B 62 REMARK 465 PRO B 63 REMARK 465 GLU B 64 REMARK 465 GLY B 65 REMARK 465 PRO B 66 REMARK 465 LYS B 67 REMARK 465 LYS B 108 REMARK 465 LEU B 109 REMARK 465 GLN B 110 REMARK 465 GLY B 111 REMARK 465 ARG B 112 REMARK 465 PRO B 113 REMARK 465 SER B 114 REMARK 465 PRO B 115 REMARK 465 GLY B 116 REMARK 465 PRO B 117 REMARK 465 PRO B 118 REMARK 465 ALA C 41 REMARK 465 PRO C 42 REMARK 465 ALA C 43 REMARK 465 SER C 44 REMARK 465 LEU C 45 REMARK 465 LEU C 46 REMARK 465 PRO C 47 REMARK 465 PRO C 48 REMARK 465 ALA C 49 REMARK 465 PRO C 50 REMARK 465 GLU C 51 REMARK 465 HIS C 52 REMARK 465 SER C 53 REMARK 465 PRO C 54 REMARK 465 PRO C 55 REMARK 465 SER C 56 REMARK 465 SER C 57 REMARK 465 PRO C 58 REMARK 465 LEU C 59 REMARK 465 THR C 60 REMARK 465 GLN C 61 REMARK 465 PRO C 62 REMARK 465 PRO C 63 REMARK 465 GLU C 64 REMARK 465 GLY C 65 REMARK 465 PRO C 66 REMARK 465 LYS C 108 REMARK 465 LEU C 109 REMARK 465 GLN C 110 REMARK 465 GLY C 111 REMARK 465 ARG C 112 REMARK 465 PRO C 113 REMARK 465 SER C 114 REMARK 465 PRO C 115 REMARK 465 GLY C 116 REMARK 465 PRO C 117 REMARK 465 PRO C 118 REMARK 465 ALA D 41 REMARK 465 PRO D 42 REMARK 465 ALA D 43 REMARK 465 SER D 44 REMARK 465 LEU D 45 REMARK 465 LEU D 46 REMARK 465 PRO D 47 REMARK 465 PRO D 48 REMARK 465 ALA D 49 REMARK 465 PRO D 50 REMARK 465 GLU D 51 REMARK 465 HIS D 52 REMARK 465 SER D 53 REMARK 465 PRO D 54 REMARK 465 PRO D 55 REMARK 465 SER D 56 REMARK 465 SER D 57 REMARK 465 PRO D 58 REMARK 465 LEU D 59 REMARK 465 THR D 60 REMARK 465 GLN D 61 REMARK 465 PRO D 62 REMARK 465 PRO D 63 REMARK 465 GLU D 64 REMARK 465 GLY D 65 REMARK 465 PRO D 66 REMARK 465 LYS D 67 REMARK 465 LYS D 108 REMARK 465 LEU D 109 REMARK 465 GLN D 110 REMARK 465 GLY D 111 REMARK 465 ARG D 112 REMARK 465 PRO D 113 REMARK 465 SER D 114 REMARK 465 PRO D 115 REMARK 465 GLY D 116 REMARK 465 PRO D 117 REMARK 465 PRO D 118 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 O3 BTB C 504 O HOH C 601 1.98 REMARK 500 O HOH D 852 O HOH D 874 2.15 REMARK 500 O HOH C 740 O HOH C 741 2.15 REMARK 500 OH TYR A 475 O1D HEM A 501 2.16 REMARK 500 OE2 GLU D 321 O4 BTB D 504 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 GLN A 89 -93.26 -84.61 REMARK 500 THR A 162 -165.26 -171.83 REMARK 500 ALA A 198 33.05 -98.92 REMARK 500 GLN A 257 -0.53 -59.17 REMARK 500 PHE A 286 48.29 -140.95 REMARK 500 ALA A 351 76.60 -157.96 REMARK 500 ARG A 372 -129.71 -110.54 REMARK 500 CYS A 441 120.06 -172.09 REMARK 500 THR B 162 -169.17 -168.58 REMARK 500 ASP B 258 -81.86 -74.04 REMARK 500 ASN B 283 27.90 -149.04 REMARK 500 ALA B 351 68.93 -155.24 REMARK 500 ARG B 372 -134.57 -118.99 REMARK 500 CYS B 441 119.73 -165.23 REMARK 500 GLN C 89 -81.99 -70.13 REMARK 500 ARG C 199 3.96 -68.43 REMARK 500 ARG C 202 -86.08 -68.48 REMARK 500 SER C 203 -156.02 -129.42 REMARK 500 ASP C 297 -10.96 66.90 REMARK 500 ALA C 351 75.79 -160.60 REMARK 500 ARG C 372 -132.62 -108.22 REMARK 500 CYS C 441 116.59 -169.42 REMARK 500 ASP D 258 8.60 -59.32 REMARK 500 ASN D 283 28.67 -145.19 REMARK 500 ALA D 351 65.46 -157.97 REMARK 500 ARG D 372 -133.39 -116.16 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 A 736 DISTANCE = 5.98 ANGSTROMS REMARK 525 HOH A 737 DISTANCE = 6.82 ANGSTROMS REMARK 525 HOH A 738 DISTANCE = 6.90 ANGSTROMS REMARK 525 HOH C 740 DISTANCE = 5.97 ANGSTROMS REMARK 525 HOH C 741 DISTANCE = 6.58 ANGSTROMS REMARK 525 HOH D 940 DISTANCE = 5.87 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 511 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 94 SG REMARK 620 2 CYS A 99 SG 103.7 REMARK 620 3 CYS B 94 SG 122.6 109.5 REMARK 620 4 CYS B 99 SG 108.3 102.6 108.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 184 SG REMARK 620 2 HEM A 501 NA 99.8 REMARK 620 3 HEM A 501 NB 95.8 86.4 REMARK 620 4 HEM A 501 NC 91.5 168.0 88.5 REMARK 620 5 HEM A 501 ND 98.6 91.3 165.5 90.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 GD A 510 GD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 BTB A 504 O3 REMARK 620 2 BTB A 504 O4 60.9 REMARK 620 3 BTB A 504 N 69.8 75.0 REMARK 620 4 BTB A 504 O6 81.3 130.7 62.2 REMARK 620 5 BTB A 504 O8 126.7 107.5 57.2 69.5 REMARK 620 6 HOH A 601 O 50.1 89.8 116.9 88.6 157.7 REMARK 620 7 HOH A 716 O 145.8 87.2 116.0 132.3 72.0 124.1 REMARK 620 8 HOH A 725 O 124.7 125.3 158.2 101.6 104.8 74.6 62.7 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 GD D 508 GD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 605 O REMARK 620 2 THR D 319 O 89.4 REMARK 620 3 GLU D 321 OE1 63.3 67.7 REMARK 620 4 GLU D 321 OE2 105.4 62.3 42.2 REMARK 620 5 BTB D 504 O3 149.5 79.5 134.1 94.5 REMARK 620 6 BTB D 504 O4 147.3 75.5 84.0 41.9 56.5 REMARK 620 7 BTB D 504 N 129.7 139.9 117.5 94.2 70.0 66.2 REMARK 620 8 BTB D 504 O6 70.7 154.1 114.4 137.9 109.2 130.0 64.1 REMARK 620 9 BTB D 504 O8 73.4 135.4 67.9 82.7 133.1 97.1 63.6 55.6 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 184 SG REMARK 620 2 HEM B 501 NA 100.9 REMARK 620 3 HEM B 501 NB 98.9 86.0 REMARK 620 4 HEM B 501 NC 97.9 161.0 88.3 REMARK 620 5 HEM B 501 ND 102.4 91.9 158.6 86.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 GD B 509 GD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 319 O REMARK 620 2 GLU B 321 OE1 87.5 REMARK 620 3 BTB B 504 O3 74.0 131.6 REMARK 620 4 BTB B 504 O4 85.9 78.9 56.0 REMARK 620 5 BTB B 504 N 144.9 106.3 72.8 66.1 REMARK 620 6 BTB B 504 O6 143.5 105.7 115.9 129.6 64.6 REMARK 620 7 BTB B 504 O8 138.3 53.7 141.5 98.7 70.0 54.9 REMARK 620 8 HOH B 746 O 69.0 136.9 77.1 131.7 113.7 78.8 127.7 REMARK 620 9 HOH C 617 O 81.7 73.0 143.2 149.6 133.0 70.5 73.6 68.4 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 GD B 510 GD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 BTB C 504 N REMARK 620 2 BTB C 504 O3 63.7 REMARK 620 3 BTB C 504 O4 63.2 82.9 REMARK 620 4 BTB C 504 O8 59.5 121.4 84.4 REMARK 620 5 BTB C 504 O6 60.3 57.5 120.7 82.1 REMARK 620 6 HOH C 601 O 109.0 46.3 111.9 154.3 72.5 REMARK 620 7 HOH C 697 O 122.9 73.7 75.9 153.7 122.9 51.9 REMARK 620 8 HOH C 735 O 154.1 117.2 141.6 107.6 97.3 72.4 79.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN C 510 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 94 SG REMARK 620 2 CYS C 99 SG 105.4 REMARK 620 3 CYS D 94 SG 120.5 104.8 REMARK 620 4 CYS D 99 SG 108.7 105.3 110.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 184 SG REMARK 620 2 HEM C 501 NA 100.7 REMARK 620 3 HEM C 501 NB 97.9 85.7 REMARK 620 4 HEM C 501 NC 93.2 166.1 91.2 REMARK 620 5 HEM C 501 ND 98.9 91.8 163.2 87.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM D 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 184 SG REMARK 620 2 HEM D 501 NA 102.3 REMARK 620 3 HEM D 501 NB 95.5 90.0 REMARK 620 4 HEM D 501 NC 92.6 165.1 87.3 REMARK 620 5 HEM D 501 ND 102.1 88.2 162.3 89.9 REMARK 620 N 1 2 3 4 DBREF 7TSG A 41 480 UNP P29474 NOS3_HUMAN 41 480 DBREF 7TSG B 41 480 UNP P29474 NOS3_HUMAN 41 480 DBREF 7TSG C 41 480 UNP P29474 NOS3_HUMAN 41 480 DBREF 7TSG D 41 480 UNP P29474 NOS3_HUMAN 41 480 SEQADV 7TSG GLU A 298 UNP P29474 ASP 298 VARIANT SEQADV 7TSG GLU B 298 UNP P29474 ASP 298 VARIANT SEQADV 7TSG GLU C 298 UNP P29474 ASP 298 VARIANT SEQADV 7TSG GLU D 298 UNP P29474 ASP 298 VARIANT SEQRES 1 A 440 ALA PRO ALA SER LEU LEU PRO PRO ALA PRO GLU HIS SER SEQRES 2 A 440 PRO PRO SER SER PRO LEU THR GLN PRO PRO GLU GLY PRO SEQRES 3 A 440 LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE SEQRES 4 A 440 THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY SEQRES 5 A 440 PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE SEQRES 6 A 440 PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO SEQRES 7 A 440 ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE SEQRES 8 A 440 ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN SEQRES 9 A 440 ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL SEQRES 10 A 440 ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU SEQRES 11 A 440 VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG SEQRES 12 A 440 CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE SEQRES 13 A 440 ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR SEQRES 14 A 440 TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY SEQRES 15 A 440 ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS SEQRES 16 A 440 PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU SEQRES 17 A 440 VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL SEQRES 18 A 440 ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS SEQRES 19 A 440 ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP SEQRES 20 A 440 VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO SEQRES 21 A 440 GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL SEQRES 22 A 440 PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU SEQRES 23 A 440 GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET SEQRES 24 A 440 LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO SEQRES 25 A 440 PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG SEQRES 26 A 440 ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP SEQRES 27 A 440 VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER SEQRES 28 A 440 SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL SEQRES 29 A 440 ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE SEQRES 30 A 440 VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS SEQRES 31 A 440 LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA SEQRES 32 A 440 ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU SEQRES 33 A 440 THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU SEQRES 34 A 440 SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP SEQRES 1 B 440 ALA PRO ALA SER LEU LEU PRO PRO ALA PRO GLU HIS SER SEQRES 2 B 440 PRO PRO SER SER PRO LEU THR GLN PRO PRO GLU GLY PRO SEQRES 3 B 440 LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE SEQRES 4 B 440 THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY SEQRES 5 B 440 PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE SEQRES 6 B 440 PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO SEQRES 7 B 440 ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE SEQRES 8 B 440 ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN SEQRES 9 B 440 ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL SEQRES 10 B 440 ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU SEQRES 11 B 440 VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG SEQRES 12 B 440 CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE SEQRES 13 B 440 ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR SEQRES 14 B 440 TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY SEQRES 15 B 440 ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS SEQRES 16 B 440 PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU SEQRES 17 B 440 VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL SEQRES 18 B 440 ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS SEQRES 19 B 440 ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP SEQRES 20 B 440 VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO SEQRES 21 B 440 GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL SEQRES 22 B 440 PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU SEQRES 23 B 440 GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET SEQRES 24 B 440 LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO SEQRES 25 B 440 PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG SEQRES 26 B 440 ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP SEQRES 27 B 440 VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER SEQRES 28 B 440 SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL SEQRES 29 B 440 ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE SEQRES 30 B 440 VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS SEQRES 31 B 440 LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA SEQRES 32 B 440 ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU SEQRES 33 B 440 THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU SEQRES 34 B 440 SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP SEQRES 1 C 440 ALA PRO ALA SER LEU LEU PRO PRO ALA PRO GLU HIS SER SEQRES 2 C 440 PRO PRO SER SER PRO LEU THR GLN PRO PRO GLU GLY PRO SEQRES 3 C 440 LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE SEQRES 4 C 440 THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY SEQRES 5 C 440 PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE SEQRES 6 C 440 PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO SEQRES 7 C 440 ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE SEQRES 8 C 440 ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN SEQRES 9 C 440 ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL SEQRES 10 C 440 ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU SEQRES 11 C 440 VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG SEQRES 12 C 440 CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE SEQRES 13 C 440 ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR SEQRES 14 C 440 TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY SEQRES 15 C 440 ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS SEQRES 16 C 440 PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU SEQRES 17 C 440 VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL SEQRES 18 C 440 ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS SEQRES 19 C 440 ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP SEQRES 20 C 440 VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO SEQRES 21 C 440 GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL SEQRES 22 C 440 PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU SEQRES 23 C 440 GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET SEQRES 24 C 440 LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO SEQRES 25 C 440 PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG SEQRES 26 C 440 ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP SEQRES 27 C 440 VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER SEQRES 28 C 440 SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL SEQRES 29 C 440 ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE SEQRES 30 C 440 VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS SEQRES 31 C 440 LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA SEQRES 32 C 440 ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU SEQRES 33 C 440 THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU SEQRES 34 C 440 SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP SEQRES 1 D 440 ALA PRO ALA SER LEU LEU PRO PRO ALA PRO GLU HIS SER SEQRES 2 D 440 PRO PRO SER SER PRO LEU THR GLN PRO PRO GLU GLY PRO SEQRES 3 D 440 LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE SEQRES 4 D 440 THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY SEQRES 5 D 440 PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE SEQRES 6 D 440 PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO SEQRES 7 D 440 ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE SEQRES 8 D 440 ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN SEQRES 9 D 440 ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL SEQRES 10 D 440 ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU SEQRES 11 D 440 VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG SEQRES 12 D 440 CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE SEQRES 13 D 440 ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR SEQRES 14 D 440 TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY SEQRES 15 D 440 ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS SEQRES 16 D 440 PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU SEQRES 17 D 440 VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL SEQRES 18 D 440 ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS SEQRES 19 D 440 ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP SEQRES 20 D 440 VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO SEQRES 21 D 440 GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL SEQRES 22 D 440 PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU SEQRES 23 D 440 GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET SEQRES 24 D 440 LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO SEQRES 25 D 440 PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG SEQRES 26 D 440 ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP SEQRES 27 D 440 VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER SEQRES 28 D 440 SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL SEQRES 29 D 440 ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE SEQRES 30 D 440 VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS SEQRES 31 D 440 LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA SEQRES 32 D 440 ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU SEQRES 33 D 440 THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU SEQRES 34 D 440 SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP HET HEM A 501 43 HET H4B A 502 17 HET KL0 A 503 14 HET BTB A 504 14 HET BTB A 505 14 HET BTB A 506 14 HET GOL A 507 6 HET GOL A 508 6 HET CL A 509 1 HET GD A 510 1 HET ZN A 511 1 HET HEM B 501 43 HET H4B B 502 17 HET KL0 B 503 14 HET BTB B 504 14 HET BTB B 505 14 HET GOL B 506 6 HET GOL B 507 6 HET CL B 508 1 HET GD B 509 1 HET GD B 510 1 HET HEM C 501 43 HET H4B C 502 17 HET KL0 C 503 14 HET BTB C 504 14 HET BTB C 505 14 HET BTB C 506 14 HET GOL C 507 6 HET GOL C 508 6 HET CL C 509 1 HET ZN C 510 1 HET HEM D 501 43 HET H4B D 502 17 HET KL0 D 503 14 HET BTB D 504 14 HET BTB D 505 14 HET GOL D 506 6 HET CL D 507 1 HET GD D 508 1 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM KL0 6-[3-(DIMETHYLAMINO)PROPYL]-4-METHYLPYRIDIN-2-AMINE HETNAM BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL- HETNAM 2 BTB PROPANE-1,3-DIOL HETNAM GOL GLYCEROL HETNAM CL CHLORIDE ION HETNAM GD GADOLINIUM ATOM HETNAM ZN ZINC ION HETSYN HEM HEME HETSYN BTB BIS-TRIS BUFFER HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 5 HEM 4(C34 H32 FE N4 O4) FORMUL 6 H4B 4(C9 H15 N5 O3) FORMUL 7 KL0 4(C11 H19 N3) FORMUL 8 BTB 10(C8 H19 N O5) FORMUL 11 GOL 7(C3 H8 O3) FORMUL 13 CL 4(CL 1-) FORMUL 14 GD 4(GD) FORMUL 15 ZN 2(ZN 2+) FORMUL 44 HOH *729(H2 O) HELIX 1 AA1 THR A 83 ALA A 88 5 6 HELIX 2 AA2 GLN A 122 ILE A 138 1 17 HELIX 3 AA3 SER A 143 GLY A 161 1 19 HELIX 4 AA4 ARG A 166 ASN A 180 1 15 HELIX 5 AA5 GLY A 186 TRP A 190 5 5 HELIX 6 AA6 SER A 203 ASN A 220 1 18 HELIX 7 AA7 ARG A 221 ASN A 223 5 3 HELIX 8 AA8 ASN A 267 HIS A 277 1 11 HELIX 9 AA9 PRO A 306 VAL A 310 5 5 HELIX 10 AB1 LEU A 320 GLY A 327 5 8 HELIX 11 AB2 SER A 359 THR A 364 1 6 HELIX 12 AB3 THR A 364 ASP A 369 1 6 HELIX 13 AB4 ILE A 375 MET A 383 1 9 HELIX 14 AB5 THR A 389 SER A 392 5 4 HELIX 15 AB6 LEU A 393 ALA A 413 1 21 HELIX 16 AB7 ASP A 419 GLY A 439 1 21 HELIX 17 AB8 ASP A 444 VAL A 449 1 6 HELIX 18 AB9 SER A 453 GLN A 462 5 10 HELIX 19 AC1 THR B 83 ALA B 88 5 6 HELIX 20 AC2 PRO B 120 ILE B 138 1 19 HELIX 21 AC3 SER B 143 GLY B 161 1 19 HELIX 22 AC4 ARG B 166 ASN B 180 1 15 HELIX 23 AC5 GLY B 186 TRP B 190 5 5 HELIX 24 AC6 SER B 203 ASN B 220 1 18 HELIX 25 AC7 ARG B 221 ASN B 223 5 3 HELIX 26 AC8 ASN B 267 HIS B 277 1 11 HELIX 27 AC9 PRO B 306 VAL B 310 5 5 HELIX 28 AD1 LEU B 320 GLY B 327 5 8 HELIX 29 AD2 MET B 358 THR B 364 1 7 HELIX 30 AD3 THR B 364 ASP B 369 1 6 HELIX 31 AD4 ILE B 375 MET B 383 1 9 HELIX 32 AD5 THR B 389 SER B 392 5 4 HELIX 33 AD6 LEU B 393 LYS B 414 1 22 HELIX 34 AD7 ASP B 419 GLY B 439 1 21 HELIX 35 AD8 ASP B 444 VAL B 449 1 6 HELIX 36 AD9 SER B 453 THR B 457 5 5 HELIX 37 AE1 THR C 83 ALA C 88 5 6 HELIX 38 AE2 PRO C 120 ILE C 138 1 19 HELIX 39 AE3 SER C 143 GLY C 161 1 19 HELIX 40 AE4 ARG C 166 ALA C 181 1 16 HELIX 41 AE5 GLY C 186 TRP C 190 5 5 HELIX 42 AE6 SER C 203 ASN C 220 1 18 HELIX 43 AE7 ARG C 221 ASN C 223 5 3 HELIX 44 AE8 ASN C 267 HIS C 277 1 11 HELIX 45 AE9 PRO C 306 VAL C 310 5 5 HELIX 46 AF1 LEU C 320 GLY C 327 5 8 HELIX 47 AF2 SER C 359 THR C 364 1 6 HELIX 48 AF3 THR C 364 ASP C 369 1 6 HELIX 49 AF4 ILE C 375 MET C 383 1 9 HELIX 50 AF5 THR C 389 SER C 392 5 4 HELIX 51 AF6 LEU C 393 ALA C 413 1 21 HELIX 52 AF7 ASP C 419 GLY C 439 1 21 HELIX 53 AF8 ASP C 444 VAL C 449 1 6 HELIX 54 AF9 SER C 453 GLN C 462 5 10 HELIX 55 AG1 THR D 83 ALA D 88 5 6 HELIX 56 AG2 PRO D 120 ILE D 138 1 19 HELIX 57 AG3 SER D 143 GLY D 161 1 19 HELIX 58 AG4 ARG D 166 ASN D 180 1 15 HELIX 59 AG5 GLY D 186 TRP D 190 5 5 HELIX 60 AG6 SER D 203 ASN D 220 1 18 HELIX 61 AG7 ARG D 221 ASN D 223 5 3 HELIX 62 AG8 ASN D 267 HIS D 277 1 11 HELIX 63 AG9 PRO D 306 VAL D 310 5 5 HELIX 64 AH1 LEU D 320 GLY D 327 5 8 HELIX 65 AH2 SER D 359 THR D 364 1 6 HELIX 66 AH3 THR D 364 ASP D 369 1 6 HELIX 67 AH4 ILE D 375 MET D 383 1 9 HELIX 68 AH5 THR D 389 SER D 392 5 4 HELIX 69 AH6 LEU D 393 ALA D 413 1 21 HELIX 70 AH7 ASP D 419 GLY D 439 1 21 HELIX 71 AH8 ASP D 444 VAL D 449 1 6 HELIX 72 AH9 SER D 453 GLN D 462 5 10 SHEET 1 AA1 2 ARG A 70 ASN A 73 0 SHEET 2 AA1 2 SER A 78 TYR A 81 -1 O THR A 80 N VAL A 71 SHEET 1 AA2 4 GLN A 194 ASP A 197 0 SHEET 2 AA2 4 ALA A 227 VAL A 230 1 O ILE A 228 N PHE A 196 SHEET 3 AA2 4 PHE A 353 SER A 354 -1 O SER A 354 N ALA A 227 SHEET 4 AA2 4 ALA A 335 VAL A 336 -1 N VAL A 336 O PHE A 353 SHEET 1 AA3 3 ARG A 242 ILE A 243 0 SHEET 2 AA3 3 LEU A 291 GLN A 294 -1 O GLN A 294 N ARG A 242 SHEET 3 AA3 3 GLU A 301 PHE A 303 -1 O PHE A 303 N LEU A 291 SHEET 1 AA4 2 GLY A 253 TYR A 254 0 SHEET 2 AA4 2 ARG A 262 GLY A 263 -1 O ARG A 262 N TYR A 254 SHEET 1 AA5 2 GLU A 312 PRO A 314 0 SHEET 2 AA5 2 ARG A 329 TYR A 331 -1 O TRP A 330 N VAL A 313 SHEET 1 AA6 3 LEU A 346 PHE A 348 0 SHEET 2 AA6 3 LEU A 340 ILE A 343 -1 N LEU A 341 O PHE A 348 SHEET 3 AA6 3 ALA A 472 ARG A 474 -1 O ARG A 474 N LEU A 340 SHEET 1 AA7 2 TYR A 357 MET A 358 0 SHEET 2 AA7 2 ILE A 417 VAL A 418 1 O VAL A 418 N TYR A 357 SHEET 1 AA8 2 ARG B 70 LYS B 72 0 SHEET 2 AA8 2 ILE B 79 TYR B 81 -1 O THR B 80 N VAL B 71 SHEET 1 AA9 4 GLN B 194 ASP B 197 0 SHEET 2 AA9 4 ALA B 227 VAL B 230 1 O ILE B 228 N PHE B 196 SHEET 3 AA9 4 PHE B 353 SER B 354 -1 O SER B 354 N ALA B 227 SHEET 4 AA9 4 ALA B 335 VAL B 336 -1 N VAL B 336 O PHE B 353 SHEET 1 AB1 3 ARG B 242 ILE B 243 0 SHEET 2 AB1 3 LEU B 291 GLN B 294 -1 O GLN B 294 N ARG B 242 SHEET 3 AB1 3 GLU B 301 PHE B 303 -1 O PHE B 303 N LEU B 291 SHEET 1 AB2 2 GLY B 253 ARG B 255 0 SHEET 2 AB2 2 VAL B 261 GLY B 263 -1 O ARG B 262 N TYR B 254 SHEET 1 AB3 2 GLU B 312 PRO B 314 0 SHEET 2 AB3 2 ARG B 329 TYR B 331 -1 O TRP B 330 N VAL B 313 SHEET 1 AB4 3 LEU B 346 PHE B 348 0 SHEET 2 AB4 3 LEU B 340 ILE B 343 -1 N LEU B 341 O PHE B 348 SHEET 3 AB4 3 ALA B 472 ARG B 474 -1 O ARG B 474 N LEU B 340 SHEET 1 AB5 2 ARG C 70 LYS C 72 0 SHEET 2 AB5 2 ILE C 79 TYR C 81 -1 O THR C 80 N VAL C 71 SHEET 1 AB6 4 GLN C 194 ASP C 197 0 SHEET 2 AB6 4 ALA C 227 VAL C 230 1 O ILE C 228 N PHE C 196 SHEET 3 AB6 4 PHE C 353 SER C 354 -1 O SER C 354 N ALA C 227 SHEET 4 AB6 4 ALA C 335 VAL C 336 -1 N VAL C 336 O PHE C 353 SHEET 1 AB7 3 ARG C 242 ILE C 243 0 SHEET 2 AB7 3 LEU C 291 GLN C 294 -1 O GLN C 294 N ARG C 242 SHEET 3 AB7 3 GLU C 301 PHE C 303 -1 O GLU C 301 N LEU C 293 SHEET 1 AB8 2 GLY C 253 ARG C 255 0 SHEET 2 AB8 2 VAL C 261 GLY C 263 -1 O ARG C 262 N TYR C 254 SHEET 1 AB9 2 GLU C 312 PRO C 314 0 SHEET 2 AB9 2 ARG C 329 TYR C 331 -1 O TRP C 330 N VAL C 313 SHEET 1 AC1 3 LEU C 346 PHE C 348 0 SHEET 2 AC1 3 LEU C 340 ILE C 343 -1 N LEU C 341 O PHE C 348 SHEET 3 AC1 3 ALA C 472 ARG C 474 -1 O ARG C 474 N LEU C 340 SHEET 1 AC2 2 TYR C 357 MET C 358 0 SHEET 2 AC2 2 ILE C 417 VAL C 418 1 O VAL C 418 N TYR C 357 SHEET 1 AC3 2 ARG D 70 LYS D 72 0 SHEET 2 AC3 2 ILE D 79 TYR D 81 -1 O THR D 80 N VAL D 71 SHEET 1 AC4 4 GLN D 194 ASP D 197 0 SHEET 2 AC4 4 ALA D 227 VAL D 230 1 O ILE D 228 N PHE D 196 SHEET 3 AC4 4 PHE D 353 SER D 354 -1 O SER D 354 N ALA D 227 SHEET 4 AC4 4 ALA D 335 VAL D 336 -1 N VAL D 336 O PHE D 353 SHEET 1 AC5 3 ARG D 242 ILE D 243 0 SHEET 2 AC5 3 LEU D 291 GLN D 294 -1 O GLN D 294 N ARG D 242 SHEET 3 AC5 3 GLU D 301 PHE D 303 -1 O GLU D 301 N LEU D 293 SHEET 1 AC6 2 GLY D 253 ARG D 255 0 SHEET 2 AC6 2 VAL D 261 GLY D 263 -1 O ARG D 262 N TYR D 254 SHEET 1 AC7 2 GLU D 312 PRO D 314 0 SHEET 2 AC7 2 ARG D 329 TYR D 331 -1 O TRP D 330 N VAL D 313 SHEET 1 AC8 3 LEU D 346 PHE D 348 0 SHEET 2 AC8 3 LEU D 340 ILE D 343 -1 N LEU D 341 O PHE D 348 SHEET 3 AC8 3 ALA D 472 ARG D 474 -1 O ARG D 474 N LEU D 340 SHEET 1 AC9 2 TYR D 357 MET D 358 0 SHEET 2 AC9 2 ILE D 417 VAL D 418 1 O VAL D 418 N TYR D 357 LINK SG CYS A 94 ZN ZN A 511 1555 1555 2.35 LINK SG CYS A 99 ZN ZN A 511 1555 1555 2.43 LINK SG CYS A 184 FE HEM A 501 1555 1555 2.31 LINK O3 BTB A 504 GD GD A 510 1555 1555 2.66 LINK O4 BTB A 504 GD GD A 510 1555 1555 2.67 LINK N BTB A 504 GD GD A 510 1555 1555 2.77 LINK O6 BTB A 504 GD GD A 510 1555 1555 3.02 LINK O8 BTB A 504 GD GD A 510 1555 1555 3.14 LINK GD GD A 510 O HOH A 601 1555 1555 2.71 LINK GD GD A 510 O HOH A 716 1555 1555 2.75 LINK GD GD A 510 O HOH A 725 1555 1555 2.77 LINK ZN ZN A 511 SG CYS B 94 1555 1555 2.36 LINK ZN ZN A 511 SG CYS B 99 1555 1555 2.36 LINK O HOH A 605 GD GD D 508 1655 1555 2.67 LINK SG CYS B 184 FE HEM B 501 1555 1555 2.25 LINK O THR B 319 GD GD B 509 1555 1555 2.62 LINK OE1 GLU B 321 GD GD B 509 1555 1555 2.70 LINK O3 BTB B 504 GD GD B 509 1555 1555 2.31 LINK O4 BTB B 504 GD GD B 509 1555 1555 2.71 LINK N BTB B 504 GD GD B 509 1555 1555 2.63 LINK O6 BTB B 504 GD GD B 509 1555 1555 2.83 LINK O8 BTB B 504 GD GD B 509 1555 1555 2.66 LINK GD GD B 509 O HOH B 746 1555 1555 2.69 LINK GD GD B 509 O HOH C 617 1555 1555 2.74 LINK GD GD B 510 N BTB C 504 1555 1555 2.81 LINK GD GD B 510 O3 BTB C 504 1555 1555 2.39 LINK GD GD B 510 O4 BTB C 504 1555 1555 2.65 LINK GD GD B 510 O8 BTB C 504 1555 1555 2.78 LINK GD GD B 510 O6 BTB C 504 1555 1555 3.08 LINK GD GD B 510 O HOH C 601 1555 1555 2.62 LINK GD GD B 510 O HOH C 697 1555 1555 2.76 LINK GD GD B 510 O HOH C 735 1555 1555 2.78 LINK SG CYS C 94 ZN ZN C 510 1555 1555 2.25 LINK SG CYS C 99 ZN ZN C 510 1555 1555 2.39 LINK SG CYS C 184 FE HEM C 501 1555 1555 2.37 LINK ZN ZN C 510 SG CYS D 94 1555 1555 2.43 LINK ZN ZN C 510 SG CYS D 99 1555 1555 2.41 LINK SG CYS D 184 FE HEM D 501 1555 1555 2.31 LINK O THR D 319 GD GD D 508 1555 1555 2.57 LINK OE1 GLU D 321 GD GD D 508 1555 1555 2.63 LINK OE2 GLU D 321 GD GD D 508 1555 1555 3.22 LINK O3 BTB D 504 GD GD D 508 1555 1555 2.55 LINK O4 BTB D 504 GD GD D 508 1555 1555 2.69 LINK N BTB D 504 GD GD D 508 1555 1555 2.72 LINK O6 BTB D 504 GD GD D 508 1555 1555 2.81 LINK O8 BTB D 504 GD GD D 508 1555 1555 2.73 LINK GD GD D 508 O HOH D 888 1555 1555 2.69 CISPEP 1 SER A 470 PRO A 471 0 -0.15 CISPEP 2 SER B 470 PRO B 471 0 -0.05 CISPEP 3 SER C 470 PRO C 471 0 -3.81 CISPEP 4 SER D 470 PRO D 471 0 -0.28 CRYST1 59.961 154.250 109.205 90.00 90.46 90.00 P 1 21 1 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 0.016678 0.000000 0.000133 0.00000 SCALE2 0.000000 0.006483 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009157 0.00000