HEADER OXIDOREDUCTASE 28-JUN-07 2JIR TITLE A NEW CATALYTIC MECHANISM OF PERIPLASMIC NITRATE REDUCTASE FROM TITLE 2 DESULFOVIBRIO DESULFURICANS ATCC 27774 FROM CRYSTALLOGRAPHIC AND EPR TITLE 3 DATA AND BASED ON DETAILED ANALYSIS OF THE SIXTH LIGAND COMPND MOL_ID: 1; COMPND 2 MOLECULE: PERIPLASMIC NITRATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.7.99.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO DESULFURICANS; SOURCE 3 ORGANISM_TAXID: 876; SOURCE 4 ATCC: 27774 KEYWDS NITRATE ASSIMILATION, NITROGENOUS ACCEPTOR, IRON, TRANSPORT, KEYWDS 2 MOLYBDENUM, PERIPLASMIC, DISULFIDE BOND, ELECTRON TRANSPORT, IRON- KEYWDS 3 SULFUR, IRON- SULFUR, METAL-BINDING, DISSIMILATORY NITRATE KEYWDS 4 REDUCTASE, MOLYBDOPTERIN COFACTOR, SULFIDO LIGAND, 4FE-4S CLUSTER, KEYWDS 5 OXIDOREDUCTASE, ELECTRON PARAMAGNETIC RESONANCE EXPDTA X-RAY DIFFRACTION AUTHOR S.NAJMUDIN,P.J.GONZALEZ,J.TRINCAO,C.COELHO,A.MUKHOPADHYAY,C.C.ROMAO, AUTHOR 2 I.MOURA,J.J.G.MOURA,C.D.BRONDINO,M.J.ROMAO REVDAT 4 13-DEC-23 2JIR 1 REMARK LINK REVDAT 3 13-JUL-11 2JIR 1 VERSN REVDAT 2 24-FEB-09 2JIR 1 VERSN REVDAT 1 18-MAR-08 2JIR 0 JRNL AUTH S.NAJMUDIN,P.J.GONZALEZ,J.TRINCAO,C.COELHO,A.MUKHOPADHYAY, JRNL AUTH 2 N.M.F.S.A.CERQUEIRA,C.C.ROMAO,I.MOURA,J.J.G.MOURA, JRNL AUTH 3 C.D.BRONDINO,M.J.ROMAO JRNL TITL PERIPLASMIC NITRATE REDUCTASE REVISITED: A SULFUR ATOM JRNL TITL 2 COMPLETES THE SIXTH COORDINATION OF THE CATALYTIC JRNL TITL 3 MOLYBDENUM. JRNL REF J.BIOL.INORG.CHEM. V. 13 737 2008 JRNL REFN ISSN 0949-8257 JRNL PMID 18327621 JRNL DOI 10.1007/S00775-008-0359-6 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.J.GONZALEZ,M.G.RIVAS,C.D.BRONDINO,S.A.BURSAKOV,I.MOURA, REMARK 1 AUTH 2 J.J.G.MOURA REMARK 1 TITL EPR AND REDOX PROPERTIES OF PERIPLASMIC NITRATE REDUCTASE REMARK 1 TITL 2 FROM DESULFOVIBRIO DESULFURICANS ATCC 27774 REMARK 1 REF J.BIOL.INORG.CHEM. V. 11 609 2006 REMARK 1 REFN ISSN 0949-8257 REMARK 1 PMID 16791644 REMARK 1 DOI 10.1007/S00775-006-0110-0 REMARK 2 REMARK 2 RESOLUTION. 2.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 92.06 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 35628 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.164 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1500 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.41 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2593 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2270 REMARK 3 BIN FREE R VALUE SET COUNT : 115 REMARK 3 BIN FREE R VALUE : 0.3320 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5622 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 108 REMARK 3 SOLVENT ATOMS : 669 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 47.17 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.78000 REMARK 3 B22 (A**2) : -2.78000 REMARK 3 B33 (A**2) : 4.17000 REMARK 3 B12 (A**2) : -1.39000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.314 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.238 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.192 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 13.386 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.916 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 5910 ; 0.013 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 8052 ; 1.568 ; 1.977 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 725 ; 6.663 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 269 ;36.026 ;22.937 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 940 ;17.194 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 54 ;19.047 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 852 ; 0.109 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4576 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 3256 ; 0.212 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 3902 ; 0.309 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 652 ; 0.226 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 38 ; 0.159 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 23 ; 0.224 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 3693 ; 0.569 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 5807 ; 0.929 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2556 ; 1.681 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2230 ; 2.507 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 3 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 4 A 61 REMARK 3 RESIDUE RANGE : A 464 A 492 REMARK 3 RESIDUE RANGE : A 517 A 561 REMARK 3 ORIGIN FOR THE GROUP (A): 60.1857 21.7288 15.8646 REMARK 3 T TENSOR REMARK 3 T11: -0.0250 T22: -0.1547 REMARK 3 T33: 0.0210 T12: 0.0438 REMARK 3 T13: 0.1164 T23: -0.0756 REMARK 3 L TENSOR REMARK 3 L11: 2.5310 L22: 1.9564 REMARK 3 L33: 1.6428 L12: 0.1238 REMARK 3 L13: 1.1025 L23: -0.7421 REMARK 3 S TENSOR REMARK 3 S11: -0.1015 S12: -0.3663 S13: 0.2631 REMARK 3 S21: 0.3705 S22: 0.0358 S23: 0.4964 REMARK 3 S31: -0.2296 S32: -0.2137 S33: 0.0657 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 3 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 62 A 135 REMARK 3 RESIDUE RANGE : A 347 A 463 REMARK 3 RESIDUE RANGE : A 493 A 516 REMARK 3 ORIGIN FOR THE GROUP (A): 54.7539 4.5936 0.4177 REMARK 3 T TENSOR REMARK 3 T11: -0.1597 T22: -0.1606 REMARK 3 T33: 0.1265 T12: -0.0379 REMARK 3 T13: -0.0041 T23: -0.0518 REMARK 3 L TENSOR REMARK 3 L11: 2.1892 L22: 1.4196 REMARK 3 L33: 0.8898 L12: 0.2208 REMARK 3 L13: 0.7665 L23: -0.2503 REMARK 3 S TENSOR REMARK 3 S11: -0.0206 S12: 0.0893 S13: -0.3860 REMARK 3 S21: 0.0059 S22: 0.1383 S23: 0.4370 REMARK 3 S31: 0.0601 S32: -0.0729 S33: -0.1177 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 136 A 346 REMARK 3 ORIGIN FOR THE GROUP (A): 89.4067 13.5543 7.5468 REMARK 3 T TENSOR REMARK 3 T11: -0.0504 T22: -0.1006 REMARK 3 T33: -0.1010 T12: -0.0174 REMARK 3 T13: -0.0009 T23: -0.0527 REMARK 3 L TENSOR REMARK 3 L11: 2.3641 L22: 1.0422 REMARK 3 L33: 0.8519 L12: 0.0636 REMARK 3 L13: 0.5801 L23: -0.2935 REMARK 3 S TENSOR REMARK 3 S11: -0.1084 S12: 0.2821 S13: -0.2078 REMARK 3 S21: 0.0782 S22: 0.0606 S23: -0.1129 REMARK 3 S31: -0.0432 S32: 0.1677 S33: 0.0478 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 562 A 723 REMARK 3 ORIGIN FOR THE GROUP (A): 78.6946 16.0218 -5.4898 REMARK 3 T TENSOR REMARK 3 T11: -0.1370 T22: -0.0457 REMARK 3 T33: -0.1971 T12: -0.0796 REMARK 3 T13: -0.0048 T23: -0.0710 REMARK 3 L TENSOR REMARK 3 L11: 2.1683 L22: 1.4112 REMARK 3 L33: 1.1865 L12: 0.2671 REMARK 3 L13: 0.8646 L23: -0.3323 REMARK 3 S TENSOR REMARK 3 S11: -0.2224 S12: 0.6249 S13: -0.0697 REMARK 3 S21: -0.1287 S22: 0.1097 S23: 0.0304 REMARK 3 S31: -0.1425 S32: 0.2830 S33: 0.1126 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. DISORDERED REGIONS WERE MODELED STEREOCHEMICALLY E.G REMARK 3 AMINO ACID SIDE CHAINS WHICH SHOW MOST FLEXIBILITY INCLUDING THE REMARK 3 FOLLOWING LYSINES (7, 27, 75, 259, 380, 636, 722), ARGININES (4, REMARK 3 544, 652), GLUTAMATES (6, 257, 287, 386, 541, 608, 647, 648) AND REMARK 3 GLUTAMINES (193, 510). SOME OF THESE HAVE BEEN ASSIGNED WITH REMARK 3 ALTERNATE CONFORMATIONS. REMARK 4 REMARK 4 2JIR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-JUN-07. REMARK 100 THE DEPOSITION ID IS D_1290033072. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-JUL-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.930 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37165 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 54.310 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.01000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 0.72000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: PDB ENTRY 2NAP REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: COCRYSTALLISATION WITH 10MM OF KCN REMARK 280 (CYANIDE) IN 200MM OF DDNAPA (IE PROTEIN) WHICH HAD BEEN REDUCED REMARK 280 BY DITHIONITE IN ANAEROBIC CONDITIONS AND THEN AIR REOXIDISED REMARK 280 BEFORE SETTTING UP FOR CRYSTALLISATIONS STRAIGHT AFTER THAWING REMARK 280 FROM 193K. CRYSTALLISING CONDITIONS IN 0.1M MES PH 6.0, 8% PEG REMARK 280 8000 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 44.87533 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 89.75067 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 89.75067 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 44.87533 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 400 REMARK 400 COMPOUND REMARK 400 ESSENTIAL FUNCTION FOR NITRATE ASSIMILATION 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 1 REMARK 465 ASP A 2 REMARK 465 ASN A 3 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 2151 O HOH A 2154 1.64 REMARK 500 OE1 GLU A 195 O HOH A 2226 2.02 REMARK 500 O HOH A 2557 O HOH A 2558 2.03 REMARK 500 O HOH A 2169 O HOH A 2401 2.03 REMARK 500 O HOH A 2169 O HOH A 2405 2.05 REMARK 500 O HOH A 2295 O HOH A 2659 2.08 REMARK 500 O HOH A 2382 O HOH A 2387 2.08 REMARK 500 O HOH A 2225 O HOH A 2231 2.11 REMARK 500 O HOH A 2201 O HOH A 2204 2.12 REMARK 500 O HOH A 2146 O HOH A 2295 2.12 REMARK 500 O HOH A 2106 O HOH A 2265 2.13 REMARK 500 O HOH A 2352 O HOH A 2353 2.15 REMARK 500 O HOH A 2087 O HOH A 2220 2.16 REMARK 500 O HOH A 2541 O HOH A 2557 2.18 REMARK 500 O HOH A 2239 O HOH A 2250 2.18 REMARK 500 O HOH A 2264 O HOH A 2561 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 2216 O HOH A 2227 6765 1.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 617 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES 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 TYR A 15 -109.74 -100.04 REMARK 500 ASN A 132 70.56 -69.28 REMARK 500 CYS A 140 -69.57 -138.17 REMARK 500 GLU A 156 146.31 83.36 REMARK 500 ASN A 176 76.76 -104.59 REMARK 500 ASP A 204 130.26 -170.57 REMARK 500 PHE A 246 -70.26 -70.09 REMARK 500 SER A 261 -154.71 -137.38 REMARK 500 CYS A 307 -126.09 -138.76 REMARK 500 ALA A 358 44.92 -99.37 REMARK 500 TRP A 464 -112.76 53.41 REMARK 500 LYS A 599 -133.29 -123.81 REMARK 500 HIS A 623 -112.90 31.03 REMARK 500 ASN A 697 3.79 -61.89 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LEU A 701 ASP A 702 -149.22 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 A2003 DISTANCE = 6.91 ANGSTROMS REMARK 525 HOH A2068 DISTANCE = 6.80 ANGSTROMS REMARK 525 HOH A2100 DISTANCE = 8.14 ANGSTROMS REMARK 525 HOH A2160 DISTANCE = 6.65 ANGSTROMS REMARK 525 HOH A2161 DISTANCE = 7.39 ANGSTROMS REMARK 525 HOH A2255 DISTANCE = 7.00 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 SF4 A 800 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 13 SG REMARK 620 2 SF4 A 800 S1 108.3 REMARK 620 3 SF4 A 800 S2 118.0 109.0 REMARK 620 4 SF4 A 800 S4 112.9 102.2 105.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 800 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 16 SG REMARK 620 2 SF4 A 800 S1 120.7 REMARK 620 3 SF4 A 800 S2 118.9 109.7 REMARK 620 4 SF4 A 800 S3 95.8 103.8 103.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 800 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 20 SG REMARK 620 2 SF4 A 800 S1 98.7 REMARK 620 3 SF4 A 800 S3 125.5 103.9 REMARK 620 4 SF4 A 800 S4 114.1 103.0 108.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 800 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 47 SG REMARK 620 2 SF4 A 800 S2 102.7 REMARK 620 3 SF4 A 800 S3 122.2 103.5 REMARK 620 4 SF4 A 800 S4 115.0 104.2 106.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MO A 810 MO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 140 SG REMARK 620 2 MGD A 811 S13 82.9 REMARK 620 3 MGD A 811 S12 124.1 76.7 REMARK 620 4 MGD A 812 S12 81.0 87.8 147.5 REMARK 620 5 MGD A 812 S13 144.9 125.3 86.0 79.8 REMARK 620 6 CYN A 813 N 66.2 139.7 99.3 110.7 93.8 REMARK 620 N 1 2 3 4 5 REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: DSSP REMARK 700 THE SHEETS PRESENTED AS "AG" IN EACH CHAIN ON SHEET RECORDS REMARK 700 BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY REMARK 700 A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS REMARK 700 ARE IDENTICAL. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 A 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MO A 810 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MGD A 811 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MGD A 812 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN A 813 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO2 A 814 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2NAP RELATED DB: PDB REMARK 900 DISSIMILATORY NITRATE REDUCTASE (NAP) FROM DESULFOVIBRIO REMARK 900 DESULFURICANS REMARK 900 RELATED ID: 2V3V RELATED DB: PDB REMARK 900 A NEW CATALYTIC MECHANISM OF PERIPLASMIC NITRATE REDUCTASE FROM REMARK 900 DESULFOVIBRIO DESULFURICANS ATCC 27774 FROM CRYSTALLOGRAPHIC AND REMARK 900 EPR DATA AND BASED ON DETAILED ANALYSIS OF THE SIXTH LIGAND REMARK 900 RELATED ID: 2JIQ RELATED DB: PDB REMARK 900 A NEW CATALYTIC MECHANISM OF PERIPLASMIC NITRATE REDUCTASE FROM REMARK 900 DESULFOVIBRIO DESULFURICANS ATCC 27774 FROM CRYSTALLOGRAPHIC AND REMARK 900 EPR DATA AND BASED ON DETAILED ANALYSIS OF THE SIXTH LIGAND REMARK 900 RELATED ID: 2JIM RELATED DB: PDB REMARK 900 A NEW CATALYTIC MECHANISM OF PERIPLASMIC NITRATE REDUCTASE FROM REMARK 900 DESULFOVIBRIO DESULFURICANS ATCC 27774 FROM CRYSTALLOGRAPHIC AND REMARK 900 EPR DATA AND BASED ON DETAILED ANALYSIS OF THE SIXTH LIGAND REMARK 900 RELATED ID: 2JIO RELATED DB: PDB REMARK 900 A NEW CATALYTIC MECHANISM OF PERIPLASMIC NITRATE REDUCTASE FROM REMARK 900 DESULFOVIBRIO DESULFURICANS ATCC 27774 FROM CRYSTALLOGRAPHIC AND REMARK 900 EPR DATA AND BASED ON DETAILED ANALYSIS OF THE SIXTH LIGAND REMARK 900 RELATED ID: 2V45 RELATED DB: PDB REMARK 900 A NEW CATALYTIC MECHANISM OF PERIPLASMIC NITRATE REDUCTASE FROM REMARK 900 DESULFOVIBRIO DESULFURICANS ATCC 27774 FROM CRYSTALLOGRAPHIC AND REMARK 900 EPR DATA AND BASED ON DETAILED ANALYSIS OF THE SIXTH LIGAND REMARK 900 RELATED ID: 2JIP RELATED DB: PDB REMARK 900 A NEW CATALYTIC MECHANISM OF PERIPLASMIC NITRATE REDUCTASE FROM REMARK 900 DESULFOVIBRIO DESULFURICANS ATCC 27774 FROM CRYSTALLOGRAPHIC AND REMARK 900 EPR DATA AND BASED ON DETAILED ANALYSIS OF THE SIXTH LIGAND DBREF 2JIR A 1 723 UNP P81186 NAPA_DESDE 33 755 SEQADV 2JIR ASN A 37 UNP P81186 ASP 69 CONFLICT SEQRES 1 A 723 ALA ASP ASN ARG PRO GLU LYS TRP VAL LYS GLY VAL CYS SEQRES 2 A 723 ARG TYR CYS GLY THR GLY CYS GLY VAL LEU VAL GLY VAL SEQRES 3 A 723 LYS ASP GLY LYS ALA VAL ALA ILE GLN GLY ASN PRO ASN SEQRES 4 A 723 ASN HIS ASN ALA GLY LEU LEU CYS LEU LYS GLY SER LEU SEQRES 5 A 723 LEU ILE PRO VAL LEU ASN SER LYS GLU ARG VAL THR GLN SEQRES 6 A 723 PRO LEU VAL ARG ARG HIS LYS GLY GLY LYS LEU GLU PRO SEQRES 7 A 723 VAL SER TRP ASP GLU ALA LEU ASP LEU MET ALA SER ARG SEQRES 8 A 723 PHE ARG SER SER ILE ASP MET TYR GLY PRO ASN SER VAL SEQRES 9 A 723 ALA TRP TYR GLY SER GLY GLN CYS LEU THR GLU GLU SER SEQRES 10 A 723 TYR VAL ALA ASN LYS ILE PHE LYS GLY GLY PHE GLY THR SEQRES 11 A 723 ASN ASN VAL ASP GLY ASN PRO ARG LEU CYS MET ALA SER SEQRES 12 A 723 ALA VAL GLY GLY TYR VAL THR SER PHE GLY LYS ASP GLU SEQRES 13 A 723 PRO MET GLY THR TYR ALA ASP ILE ASP GLN ALA THR CYS SEQRES 14 A 723 PHE PHE ILE ILE GLY SER ASN THR SER GLU ALA HIS PRO SEQRES 15 A 723 VAL LEU PHE ARG ARG ILE ALA ARG ARG LYS GLN VAL GLU SEQRES 16 A 723 PRO GLY VAL LYS ILE ILE VAL ALA ASP PRO ARG ARG THR SEQRES 17 A 723 ASN THR SER ARG ILE ALA ASP MET HIS VAL ALA PHE ARG SEQRES 18 A 723 PRO GLY THR ASP LEU ALA PHE MET HIS SER MET ALA TRP SEQRES 19 A 723 VAL ILE ILE ASN GLU GLU LEU ASP ASN PRO ARG PHE TRP SEQRES 20 A 723 GLN ARG TYR VAL ASN PHE MET ASP ALA GLU GLY LYS PRO SEQRES 21 A 723 SER ASP PHE GLU GLY TYR LYS ALA PHE LEU GLU ASN TYR SEQRES 22 A 723 ARG PRO GLU LYS VAL ALA GLU ILE CYS ARG VAL PRO VAL SEQRES 23 A 723 GLU GLN ILE TYR GLY ALA ALA ARG ALA PHE ALA GLU SER SEQRES 24 A 723 ALA ALA THR MET SER LEU TRP CYS MET GLY ILE ASN GLN SEQRES 25 A 723 ARG VAL GLN GLY VAL PHE ALA ASN ASN LEU ILE HIS ASN SEQRES 26 A 723 LEU HIS LEU ILE THR GLY GLN ILE CYS ARG PRO GLY ALA SEQRES 27 A 723 THR SER PHE SER LEU THR GLY GLN PRO ASN ALA CYS GLY SEQRES 28 A 723 GLY VAL ARG ASP GLY GLY ALA LEU SER HIS LEU LEU PRO SEQRES 29 A 723 ALA GLY ARG ALA ILE PRO ASN ALA LYS HIS ARG ALA GLU SEQRES 30 A 723 MET GLU LYS LEU TRP GLY LEU PRO GLU GLY ARG ILE ALA SEQRES 31 A 723 PRO GLU PRO GLY TYR HIS THR VAL ALA LEU PHE GLU ALA SEQRES 32 A 723 LEU GLY ARG GLY ASP VAL LYS CYS MET ILE ILE CYS GLU SEQRES 33 A 723 THR ASN PRO ALA HIS THR LEU PRO ASN LEU ASN LYS VAL SEQRES 34 A 723 HIS LYS ALA MET SER HIS PRO GLU SER PHE ILE VAL CYS SEQRES 35 A 723 ILE GLU ALA PHE PRO ASP ALA VAL THR LEU GLU TYR ALA SEQRES 36 A 723 ASP LEU VAL LEU PRO PRO ALA PHE TRP CYS GLU ARG ASP SEQRES 37 A 723 GLY VAL TYR GLY CYS GLY GLU ARG ARG TYR SER LEU THR SEQRES 38 A 723 GLU LYS ALA VAL ASP PRO PRO GLY GLN CYS ARG PRO THR SEQRES 39 A 723 VAL ASN THR LEU VAL GLU PHE ALA ARG ARG ALA GLY VAL SEQRES 40 A 723 ASP PRO GLN LEU VAL ASN PHE ARG ASN ALA GLU ASP VAL SEQRES 41 A 723 TRP ASN GLU TRP ARG MET VAL SER LYS GLY THR THR TYR SEQRES 42 A 723 ASP PHE TRP GLY MET THR ARG GLU ARG LEU ARG LYS GLU SEQRES 43 A 723 SER GLY LEU ILE TRP PRO CYS PRO SER GLU ASP HIS PRO SEQRES 44 A 723 GLY THR SER LEU ARG TYR VAL ARG GLY GLN ASP PRO CYS SEQRES 45 A 723 VAL PRO ALA ASP HIS PRO ASP ARG PHE PHE PHE TYR GLY SEQRES 46 A 723 LYS PRO ASP GLY ARG ALA VAL ILE TRP MET ARG PRO ALA SEQRES 47 A 723 LYS GLY ALA ALA GLU GLU PRO ASP ALA GLU TYR PRO LEU SEQRES 48 A 723 TYR LEU THR SER MET ARG VAL ILE ASP HIS TRP HIS THR SEQRES 49 A 723 ALA THR MET THR GLY LYS VAL PRO GLU LEU GLN LYS ALA SEQRES 50 A 723 ASN PRO ILE ALA PHE VAL GLU ILE ASN GLU GLU ASP ALA SEQRES 51 A 723 ALA ARG THR GLY ILE LYS HIS GLY ASP SER VAL ILE VAL SEQRES 52 A 723 GLU THR ARG ARG ASP ALA MET GLU LEU PRO ALA ARG VAL SEQRES 53 A 723 SER ASP VAL CYS ARG PRO GLY LEU ILE ALA VAL PRO PHE SEQRES 54 A 723 PHE ASP PRO LYS LYS LEU VAL ASN LYS LEU PHE LEU ASP SEQRES 55 A 723 ALA THR ASP PRO VAL SER ARG GLU PRO GLU TYR LYS ILE SEQRES 56 A 723 CYS ALA ALA ARG VAL ARG LYS ALA HET SF4 A 800 8 HET MO A 810 1 HET MGD A 811 47 HET MGD A 812 47 HET CYN A 813 2 HET NO2 A 814 3 HETNAM SF4 IRON/SULFUR CLUSTER HETNAM MO MOLYBDENUM ATOM HETNAM MGD 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8- HETNAM 2 MGD OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE HETNAM 3 MGD DINUCLEOTIDE HETNAM CYN CYANIDE ION HETNAM NO2 NITRITE ION HETSYN MGD MOLYBDOPTERIN GUANOSINE DINUCLEOTIDE FORMUL 2 SF4 FE4 S4 FORMUL 3 MO MO FORMUL 4 MGD 2(C20 H26 N10 O13 P2 S2) FORMUL 6 CYN C N 1- FORMUL 7 NO2 N O2 1- FORMUL 8 HOH *669(H2 O) HELIX 1 1 CYS A 47 LEU A 52 1 6 HELIX 2 2 LEU A 53 SER A 59 1 7 HELIX 3 3 SER A 80 GLY A 100 1 21 HELIX 4 4 LEU A 113 GLY A 127 1 15 HELIX 5 5 PRO A 137 CYS A 140 5 4 HELIX 6 6 MET A 141 GLY A 153 1 13 HELIX 7 7 THR A 160 ALA A 167 5 8 HELIX 8 8 ASN A 176 HIS A 181 1 6 HELIX 9 9 HIS A 181 GLU A 195 1 15 HELIX 10 10 THR A 208 ALA A 214 5 7 HELIX 11 11 THR A 224 GLU A 239 1 16 HELIX 12 12 ASN A 243 TYR A 250 1 8 HELIX 13 13 ASP A 262 LEU A 270 1 9 HELIX 14 14 GLU A 271 TYR A 273 5 3 HELIX 15 15 ARG A 274 CYS A 282 1 9 HELIX 16 16 VAL A 286 SER A 299 1 14 HELIX 17 17 CYS A 307 GLN A 312 1 6 HELIX 18 18 GLN A 315 GLY A 331 1 17 HELIX 19 19 ASN A 348 VAL A 353 1 6 HELIX 20 20 ASN A 371 TRP A 382 1 12 HELIX 21 21 HIS A 396 ARG A 406 1 11 HELIX 22 22 ASN A 418 LEU A 423 1 6 HELIX 23 23 ASN A 425 SER A 434 1 10 HELIX 24 24 ALA A 449 TYR A 454 5 6 HELIX 25 25 PHE A 463 ARG A 467 5 5 HELIX 26 26 PRO A 493 ALA A 505 1 13 HELIX 27 27 ASN A 516 LYS A 529 1 14 HELIX 28 28 THR A 539 GLU A 546 1 8 HELIX 29 29 MET A 627 VAL A 631 5 5 HELIX 30 30 VAL A 631 LYS A 636 5 6 HELIX 31 31 GLU A 647 THR A 653 1 7 HELIX 32 32 LEU A 695 LEU A 699 5 5 SHEET 1 AA 3 LYS A 7 VAL A 12 0 SHEET 2 AA 3 GLY A 21 LYS A 27 -1 O VAL A 22 N GLY A 11 SHEET 3 AA 3 LYS A 30 GLY A 36 -1 O LYS A 30 N LYS A 27 SHEET 1 AB 7 GLU A 77 PRO A 78 0 SHEET 2 AB 7 LEU A 67 VAL A 68 -1 O VAL A 68 N GLU A 77 SHEET 3 AB 7 LEU A 457 LEU A 459 -1 O VAL A 458 N LEU A 67 SHEET 4 AB 7 PHE A 439 ILE A 443 1 O CYS A 442 N LEU A 459 SHEET 5 AB 7 CYS A 411 CYS A 415 1 O MET A 412 N VAL A 441 SHEET 6 AB 7 VAL A 104 GLY A 108 1 O ALA A 105 N ILE A 413 SHEET 7 AB 7 VAL A 133 GLY A 135 1 O ASP A 134 N GLY A 108 SHEET 1 AC 5 MET A 216 VAL A 218 0 SHEET 2 AC 5 LYS A 199 ALA A 203 1 O VAL A 202 N VAL A 218 SHEET 3 AC 5 CYS A 169 ILE A 173 1 O PHE A 170 N ILE A 201 SHEET 4 AC 5 THR A 302 TRP A 306 1 O MET A 303 N PHE A 171 SHEET 5 AC 5 THR A 339 SER A 342 1 O THR A 339 N SER A 304 SHEET 1 AD 2 VAL A 251 MET A 254 0 SHEET 2 AD 2 ALA A 591 TRP A 594 1 O ALA A 591 N ASN A 252 SHEET 1 AE 2 LEU A 362 LEU A 363 0 SHEET 2 AE 2 ARG A 367 ALA A 368 -1 O ARG A 367 N LEU A 363 SHEET 1 AF 3 GLY A 469 GLY A 472 0 SHEET 2 AF 3 ARG A 477 THR A 481 -1 O SER A 479 N TYR A 471 SHEET 3 AF 3 LEU A 549 ILE A 550 -1 O LEU A 549 N TYR A 478 SHEET 1 AG 7 LEU A 611 MET A 616 0 SHEET 2 AG 7 CYS A 716 LYS A 722 -1 O CYS A 716 N LEU A 613 SHEET 3 AG 7 SER A 660 THR A 665 -1 O ILE A 662 N ARG A 721 SHEET 4 AG 7 ASP A 668 SER A 677 -1 O ASP A 668 N THR A 665 SHEET 5 AG 7 VAL A 643 ASN A 646 1 O VAL A 643 N ARG A 675 SHEET 6 AG 7 LEU A 684 PRO A 688 -1 O LEU A 684 N ASN A 646 SHEET 7 AG 7 LEU A 611 MET A 616 1 O TYR A 612 N ILE A 685 LINK SG CYS A 13 FE3 SF4 A 800 1555 1555 2.21 LINK SG CYS A 16 FE4 SF4 A 800 1555 1555 2.26 LINK SG CYS A 20 FE2 SF4 A 800 1555 1555 2.30 LINK SG CYS A 47 FE1 SF4 A 800 1555 1555 2.20 LINK SG CYS A 140 MO MO A 810 1555 1555 2.19 LINK MO MO A 810 S13 MGD A 811 1555 1555 2.31 LINK MO MO A 810 S12 MGD A 811 1555 1555 2.37 LINK MO MO A 810 S12 MGD A 812 1555 1555 2.44 LINK MO MO A 810 S13 MGD A 812 1555 1555 2.47 LINK MO MO A 810 N CYN A 813 1555 1555 2.19 CISPEP 1 TRP A 551 PRO A 552 0 -6.97 SITE 1 AC1 8 CYS A 13 TYR A 15 CYS A 16 GLY A 19 SITE 2 AC1 8 CYS A 20 CYS A 47 PRO A 182 VAL A 183 SITE 1 AC2 4 CYS A 140 MGD A 811 MGD A 812 CYN A 813 SITE 1 AC3 32 ARG A 14 GLN A 111 ASN A 136 CYS A 140 SITE 2 AC3 32 GLN A 312 GLN A 346 GLU A 416 THR A 417 SITE 3 AC3 32 ASN A 418 THR A 422 ILE A 443 GLU A 444 SITE 4 AC3 32 ALA A 445 PHE A 446 PRO A 461 ALA A 462 SITE 5 AC3 32 PHE A 463 SER A 615 ARG A 617 TRP A 622 SITE 6 AC3 32 HIS A 623 THR A 624 THR A 626 PHE A 689 SITE 7 AC3 32 ASN A 697 TYR A 713 LYS A 714 MO A 810 SITE 8 AC3 32 MGD A 812 CYN A 813 HOH A2478 HOH A2588 SITE 1 AC4 38 CYS A 16 LYS A 49 CYS A 140 ILE A 173 SITE 2 AC4 38 GLY A 174 SER A 175 ASN A 176 GLU A 179 SITE 3 AC4 38 ALA A 180 ASP A 204 PRO A 205 ARG A 206 SITE 4 AC4 38 PHE A 220 PRO A 222 GLY A 223 ASP A 225 SITE 5 AC4 38 CYS A 307 MET A 308 GLY A 309 ARG A 313 SITE 6 AC4 38 GLY A 345 GLN A 346 THR A 614 MET A 616 SITE 7 AC4 38 ARG A 617 VAL A 618 ILE A 619 HIS A 621 SITE 8 AC4 38 TRP A 622 HIS A 623 LYS A 714 MO A 810 SITE 9 AC4 38 MGD A 811 CYN A 813 HOH A2196 HOH A2199 SITE 10 AC4 38 HOH A2664 HOH A2669 SITE 1 AC5 7 CYS A 140 MET A 141 GLN A 346 ALA A 349 SITE 2 AC5 7 MO A 810 MGD A 811 MGD A 812 SITE 1 AC6 5 MET A 616 ARG A 617 VAL A 618 HIS A 621 SITE 2 AC6 5 PHE A 689 CRYST1 106.243 106.243 134.626 90.00 90.00 120.00 P 31 2 1 6 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 0.009412 0.005434 0.000000 0.00000 SCALE2 0.000000 0.010868 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007428 0.00000