HEADER OXIDOREDUCTASE 26-SEP-09 3K1A TITLE INSIGHTS INTO SUBSTRATE BINDING AT FEMO-COFACTOR IN NITROGENASE FROM TITLE 2 THE STRUCTURE OF AN ALPHA-70ILE MOFE PROTEIN VARIANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN; COMPND 3 CHAIN: A, C; COMPND 4 SYNONYM: NITROGENASE COMPONENT I, DINITROGENASE; COMPND 5 EC: 1.18.6.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN; COMPND 10 CHAIN: B, D; COMPND 11 SYNONYM: NITROGENASE COMPONENT I, DINITROGENASE; COMPND 12 EC: 1.18.6.1; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AZOTOBACTER VINELANDII; SOURCE 3 ORGANISM_TAXID: 354; SOURCE 4 GENE: NIFDK, NIFK; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: AZOTOBACTER VINELANDII; SOURCE 9 ORGANISM_TAXID: 354; SOURCE 10 GENE: NIFD; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS NITROGEN FIXATION, MOFE PROTEIN, NITROGENASE, ISOLEUCINE, PROTON KEYWDS 2 REDUCTION, NITROGEN, ACETYLENE, HYDRIDE REDUCTION, ATP-BINDING, KEYWDS 3 IRON, IRON-SULFUR, METAL-BINDING, NUCLEOTIDE-BINDING, KEYWDS 4 OXIDOREDUCTASE, MOLYBDENUM EXPDTA X-RAY DIFFRACTION AUTHOR J.W.PETERS,R.SARMA,B.M.BARNEY,S.KEABLE,L.C.SEEFELDT,D.R.DEAN REVDAT 5 06-SEP-23 3K1A 1 REMARK REVDAT 4 13-OCT-21 3K1A 1 REMARK SEQADV LINK REVDAT 3 01-NOV-17 3K1A 1 REMARK REVDAT 2 02-MAR-10 3K1A 1 JRNL REVDAT 1 16-FEB-10 3K1A 0 JRNL AUTH R.SARMA,B.M.BARNEY,S.KEABLE,D.R.DEAN,L.C.SEEFELDT,J.W.PETERS JRNL TITL INSIGHTS INTO SUBSTRATE BINDING AT FEMO-COFACTOR IN JRNL TITL 2 NITROGENASE FROM THE STRUCTURE OF AN ALPHA-70(ILE) MOFE JRNL TITL 3 PROTEIN VARIANT JRNL REF J.INORG.BIOCHEM. V. 104 385 2010 JRNL REFN ISSN 0162-0134 JRNL PMID 20022118 JRNL DOI 10.1016/J.JINORGBIO.2009.11.009 REMARK 2 REMARK 2 RESOLUTION. 2.23 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) : 2.23 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 90665 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) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.204 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4778 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) : 2.23 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.29 REMARK 3 REFLECTION IN BIN (WORKING SET) : 5447 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 80.57 REMARK 3 BIN R VALUE (WORKING SET) : 0.2730 REMARK 3 BIN FREE R VALUE SET COUNT : 320 REMARK 3 BIN FREE R VALUE : 0.3310 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 15778 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 96 REMARK 3 SOLVENT ATOMS : 830 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.66000 REMARK 3 B22 (A**2) : 0.23000 REMARK 3 B33 (A**2) : -1.65000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.38000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.390 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.249 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.203 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.233 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.939 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.902 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 16354 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 11219 ; 0.007 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 22335 ; 3.226 ; 1.977 REMARK 3 BOND ANGLES OTHERS (DEGREES): 27295 ; 1.279 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1973 ; 5.811 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 757 ;36.469 ;24.108 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 2844 ;15.597 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 91 ;24.593 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 2323 ; 0.060 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 17974 ; 0.002 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 3329 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 3803 ; 0.190 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 12772 ; 0.191 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 7989 ; 0.173 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 7994 ; 0.082 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 834 ; 0.142 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): 1 ; 0.237 ; 0.200 REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 8 ; 0.167 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 15 ; 0.213 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 49 ; 0.231 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 3 ; 0.194 ; 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): 10205 ; 2.290 ; 6.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 4030 ; 0.372 ; 6.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 15829 ; 2.138 ; 8.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 7220 ; 5.386 ;15.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 6116 ; 7.743 ;30.000 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 : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE FRIEDEL PAIRS WERE USED IN PHASING. REMARK 3 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS REMARK 4 REMARK 4 3K1A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-SEP-09. REMARK 100 THE DEPOSITION ID IS D_1000055419. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUL-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL11-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8900 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 187881 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.230 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.300 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11500 REMARK 200 FOR THE DATA SET : 11.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.23 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.33 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.23300 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 2MIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, 100MM TRIS-HCL PH 8.0, REMARK 280 170-190MM SODIUM MOLYBDATE AND 1MM DITHIONITE, LIQUID DIFFUSION, REMARK 280 TEMPERATURE 298.0K 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 64.72900 REMARK 290 SMTRY3 2 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 28710 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 58150 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -163.8 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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 THR A 2 REMARK 465 GLY A 3 REMARK 465 MET A 4 REMARK 465 ASP A 36 REMARK 465 PRO A 37 REMARK 465 ALA A 38 REMARK 465 VAL A 39 REMARK 465 THR A 40 REMARK 465 GLN A 41 REMARK 465 SER A 42 REMARK 465 LYS A 43 REMARK 465 LYS A 44 REMARK 465 ALA A 481 REMARK 465 SER A 482 REMARK 465 GLU A 483 REMARK 465 GLY A 484 REMARK 465 ALA A 485 REMARK 465 GLU A 486 REMARK 465 LYS A 487 REMARK 465 VAL A 488 REMARK 465 ALA A 489 REMARK 465 ALA A 490 REMARK 465 SER A 491 REMARK 465 ALA A 492 REMARK 465 THR C 2 REMARK 465 GLY C 3 REMARK 465 MET C 4 REMARK 465 ASP C 36 REMARK 465 PRO C 37 REMARK 465 ALA C 38 REMARK 465 VAL C 39 REMARK 465 THR C 40 REMARK 465 GLN C 41 REMARK 465 SER C 42 REMARK 465 LYS C 43 REMARK 465 LYS C 44 REMARK 465 SER C 482 REMARK 465 GLU C 483 REMARK 465 GLY C 484 REMARK 465 ALA C 485 REMARK 465 GLU C 486 REMARK 465 LYS C 487 REMARK 465 VAL C 488 REMARK 465 ALA C 489 REMARK 465 ALA C 490 REMARK 465 SER C 491 REMARK 465 ALA C 492 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 SER C 5 OG REMARK 470 ARG C 6 CG CD NE CZ NH1 NH2 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 CD2 LEU D 521 O HOH B 779 1.81 REMARK 500 CE1 TYR B 447 O HOH B 779 1.82 REMARK 500 O7 HCA A 494 MO1 CFN A 6496 2.16 REMARK 500 MO1 CFN C 7496 O5 HCA C 494 2.17 REMARK 500 O5 HCA A 494 MO1 CFN A 6496 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 ARG A 6 -144.49 29.81 REMARK 500 GLU A 7 -58.24 54.29 REMARK 500 ILE A 70 -61.95 -108.17 REMARK 500 VAL A 106 -64.19 -109.83 REMARK 500 PHE A 109 11.68 -143.09 REMARK 500 ASP A 117 60.70 39.41 REMARK 500 SER A 190 -174.68 -176.25 REMARK 500 VAL A 206 -52.62 -130.41 REMARK 500 PHE A 316 -135.10 -107.71 REMARK 500 ILE A 355 -156.21 -138.19 REMARK 500 LEU A 358 -58.11 -134.61 REMARK 500 SER A 423 -150.34 -144.06 REMARK 500 HIS A 442 -63.67 -97.48 REMARK 500 SER A 447 -164.74 -123.40 REMARK 500 ALA B 67 51.13 -108.30 REMARK 500 THR B 209 -33.00 -138.45 REMARK 500 SER B 255 88.99 83.94 REMARK 500 ASP B 262 45.31 -162.16 REMARK 500 ALA B 514 -62.38 -120.55 REMARK 500 MET C 57 67.49 60.73 REMARK 500 ILE C 70 -63.20 -101.63 REMARK 500 VAL C 106 -62.99 -108.21 REMARK 500 ASP C 117 65.62 37.82 REMARK 500 SER C 190 -173.67 -174.85 REMARK 500 VAL C 206 -50.81 -125.16 REMARK 500 SER C 254 -23.55 -152.43 REMARK 500 PHE C 316 -145.75 -113.65 REMARK 500 ILE C 355 -154.09 -140.83 REMARK 500 LEU C 358 -53.90 -134.46 REMARK 500 SER C 423 -149.99 -147.56 REMARK 500 HIS C 442 -64.73 -96.35 REMARK 500 SER C 447 -148.39 -119.28 REMARK 500 ALA D 67 50.36 -105.66 REMARK 500 SER D 255 86.54 82.52 REMARK 500 ASP D 262 41.61 -157.80 REMARK 500 GLN D 513 -1.63 68.44 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 SER A 5 ARG A 6 -126.85 REMARK 500 ARG A 6 GLU A 7 123.73 REMARK 500 TRP C 253 SER C 254 51.19 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 CLF B6498 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 88 SG REMARK 620 2 CLF B6498 S1 91.6 REMARK 620 3 CLF B6498 S4A 111.2 88.3 REMARK 620 4 CLF B6498 S3A 115.0 131.2 115.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF B6498 FE5 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 88 SG REMARK 620 2 CLF B6498 S1 92.0 REMARK 620 3 CLF B6498 S2B 102.5 111.2 REMARK 620 4 CLF B6498 S4B 127.6 109.8 111.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF B6498 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 154 SG REMARK 620 2 CLF B6498 S1 113.8 REMARK 620 3 CLF B6498 S2A 93.8 148.1 REMARK 620 4 CLF B6498 S4A 84.7 93.3 105.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CFN A6496 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 275 SG REMARK 620 2 CFN A6496 S1A 107.0 REMARK 620 3 CFN A6496 S4A 126.1 103.7 REMARK 620 4 CFN A6496 S2A 113.2 99.9 103.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF B6498 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 95 SG REMARK 620 2 CLF B6498 S1 103.3 REMARK 620 3 CLF B6498 S2A 87.9 109.9 REMARK 620 4 CLF B6498 S3A 136.1 110.6 105.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF B6498 FE8 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 95 SG REMARK 620 2 CLF B6498 S1 132.3 REMARK 620 3 CLF B6498 S3B 90.5 115.0 REMARK 620 4 CLF B6498 S4B 95.0 114.8 104.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA D 524 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ARG B 108 O REMARK 620 2 GLU B 109 OE2 92.9 REMARK 620 3 ASP D 353 OD2 160.9 68.6 REMARK 620 4 ASP D 357 OD2 93.0 172.1 105.9 REMARK 620 5 HOH D 599 O 85.9 91.7 90.1 94.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF B6498 FE6 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 153 SG REMARK 620 2 CLF B6498 S1 93.5 REMARK 620 3 CLF B6498 S2B 127.4 110.9 REMARK 620 4 CLF B6498 S3B 98.8 108.9 114.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 524 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 353 OD2 REMARK 620 2 ASP B 357 OD2 98.1 REMARK 620 3 HOH B 835 O 79.3 83.2 REMARK 620 4 ARG D 108 O 153.1 91.4 76.9 REMARK 620 5 GLU D 109 OE2 72.8 168.7 88.5 94.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF D7498 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 88 SG REMARK 620 2 CLF D7498 S1 95.8 REMARK 620 3 CLF D7498 S4A 110.7 89.0 REMARK 620 4 CLF D7498 S3A 111.9 129.6 116.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF D7498 FE5 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 88 SG REMARK 620 2 CLF D7498 S1 91.6 REMARK 620 3 CLF D7498 S2B 106.0 111.5 REMARK 620 4 CLF D7498 S4B 125.8 109.7 110.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF D7498 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 154 SG REMARK 620 2 CLF D7498 S1 114.1 REMARK 620 3 CLF D7498 S2A 93.5 149.3 REMARK 620 4 CLF D7498 S4A 81.7 93.8 103.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CFN C7496 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 275 SG REMARK 620 2 CFN C7496 S1A 108.4 REMARK 620 3 CFN C7496 S4A 122.2 103.6 REMARK 620 4 CFN C7496 S2A 115.7 100.1 104.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF D7498 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 95 SG REMARK 620 2 CLF D7498 S1 99.6 REMARK 620 3 CLF D7498 S2A 87.7 110.6 REMARK 620 4 CLF D7498 S3A 139.1 110.5 106.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF D7498 FE8 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 95 SG REMARK 620 2 CLF D7498 S1 129.1 REMARK 620 3 CLF D7498 S3B 87.2 115.5 REMARK 620 4 CLF D7498 S4B 99.6 116.9 102.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CLF D7498 FE6 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 153 SG REMARK 620 2 CLF D7498 S1 90.1 REMARK 620 3 CLF D7498 S2B 126.6 111.0 REMARK 620 4 CLF D7498 S3B 102.4 107.6 115.4 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HCA A 494 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CFN A 6496 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CLF B 6498 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 524 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CFN C 7496 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HCA C 494 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 524 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CLF D 7498 DBREF 3K1A A 2 492 UNP P07328 NIFD_AZOVI 2 492 DBREF 3K1A B 2 523 UNP P07329 NIFK_AZOVI 2 523 DBREF 3K1A C 2 492 UNP P07328 NIFD_AZOVI 2 492 DBREF 3K1A D 2 523 UNP P07329 NIFK_AZOVI 2 523 SEQADV 3K1A ILE A 70 UNP P07328 VAL 70 ENGINEERED MUTATION SEQADV 3K1A ILE C 70 UNP P07328 VAL 70 ENGINEERED MUTATION SEQRES 1 A 491 THR GLY MET SER ARG GLU GLU VAL GLU SER LEU ILE GLN SEQRES 2 A 491 GLU VAL LEU GLU VAL TYR PRO GLU LYS ALA ARG LYS ASP SEQRES 3 A 491 ARG ASN LYS HIS LEU ALA VAL ASN ASP PRO ALA VAL THR SEQRES 4 A 491 GLN SER LYS LYS CYS ILE ILE SER ASN LYS LYS SER GLN SEQRES 5 A 491 PRO GLY LEU MET THR ILE ARG GLY CYS ALA TYR ALA GLY SEQRES 6 A 491 SER LYS GLY ILE VAL TRP GLY PRO ILE LYS ASP MET ILE SEQRES 7 A 491 HIS ILE SER HIS GLY PRO VAL GLY CYS GLY GLN TYR SER SEQRES 8 A 491 ARG ALA GLY ARG ARG ASN TYR TYR ILE GLY THR THR GLY SEQRES 9 A 491 VAL ASN ALA PHE VAL THR MET ASN PHE THR SER ASP PHE SEQRES 10 A 491 GLN GLU LYS ASP ILE VAL PHE GLY GLY ASP LYS LYS LEU SEQRES 11 A 491 ALA LYS LEU ILE ASP GLU VAL GLU THR LEU PHE PRO LEU SEQRES 12 A 491 ASN LYS GLY ILE SER VAL GLN SER GLU CYS PRO ILE GLY SEQRES 13 A 491 LEU ILE GLY ASP ASP ILE GLU SER VAL SER LYS VAL LYS SEQRES 14 A 491 GLY ALA GLU LEU SER LYS THR ILE VAL PRO VAL ARG CYS SEQRES 15 A 491 GLU GLY PHE ARG GLY VAL SER GLN SER LEU GLY HIS HIS SEQRES 16 A 491 ILE ALA ASN ASP ALA VAL ARG ASP TRP VAL LEU GLY LYS SEQRES 17 A 491 ARG ASP GLU ASP THR THR PHE ALA SER THR PRO TYR ASP SEQRES 18 A 491 VAL ALA ILE ILE GLY ASP TYR ASN ILE GLY GLY ASP ALA SEQRES 19 A 491 TRP SER SER ARG ILE LEU LEU GLU GLU MET GLY LEU ARG SEQRES 20 A 491 CYS VAL ALA GLN TRP SER GLY ASP GLY SER ILE SER GLU SEQRES 21 A 491 ILE GLU LEU THR PRO LYS VAL LYS LEU ASN LEU VAL HIS SEQRES 22 A 491 CYS TYR ARG SER MET ASN TYR ILE SER ARG HIS MET GLU SEQRES 23 A 491 GLU LYS TYR GLY ILE PRO TRP MET GLU TYR ASN PHE PHE SEQRES 24 A 491 GLY PRO THR LYS THR ILE GLU SER LEU ARG ALA ILE ALA SEQRES 25 A 491 ALA LYS PHE ASP GLU SER ILE GLN LYS LYS CYS GLU GLU SEQRES 26 A 491 VAL ILE ALA LYS TYR LYS PRO GLU TRP GLU ALA VAL VAL SEQRES 27 A 491 ALA LYS TYR ARG PRO ARG LEU GLU GLY LYS ARG VAL MET SEQRES 28 A 491 LEU TYR ILE GLY GLY LEU ARG PRO ARG HIS VAL ILE GLY SEQRES 29 A 491 ALA TYR GLU ASP LEU GLY MET GLU VAL VAL GLY THR GLY SEQRES 30 A 491 TYR GLU PHE ALA HIS ASN ASP ASP TYR ASP ARG THR MET SEQRES 31 A 491 LYS GLU MET GLY ASP SER THR LEU LEU TYR ASP ASP VAL SEQRES 32 A 491 THR GLY TYR GLU PHE GLU GLU PHE VAL LYS ARG ILE LYS SEQRES 33 A 491 PRO ASP LEU ILE GLY SER GLY ILE LYS GLU LYS PHE ILE SEQRES 34 A 491 PHE GLN LYS MET GLY ILE PRO PHE ARG GLU MET HIS SER SEQRES 35 A 491 TRP ASP TYR SER GLY PRO TYR HIS GLY PHE ASP GLY PHE SEQRES 36 A 491 ALA ILE PHE ALA ARG ASP MET ASP MET THR LEU ASN ASN SEQRES 37 A 491 PRO CYS TRP LYS LYS LEU GLN ALA PRO TRP GLU ALA SER SEQRES 38 A 491 GLU GLY ALA GLU LYS VAL ALA ALA SER ALA SEQRES 1 B 522 SER GLN GLN VAL ASP LYS ILE LYS ALA SER TYR PRO LEU SEQRES 2 B 522 PHE LEU ASP GLN ASP TYR LYS ASP MET LEU ALA LYS LYS SEQRES 3 B 522 ARG ASP GLY PHE GLU GLU LYS TYR PRO GLN ASP LYS ILE SEQRES 4 B 522 ASP GLU VAL PHE GLN TRP THR THR THR LYS GLU TYR GLN SEQRES 5 B 522 GLU LEU ASN PHE GLN ARG GLU ALA LEU THR VAL ASN PRO SEQRES 6 B 522 ALA LYS ALA CYS GLN PRO LEU GLY ALA VAL LEU CYS ALA SEQRES 7 B 522 LEU GLY PHE GLU LYS THR MET PRO TYR VAL HIS GLY SER SEQRES 8 B 522 GLN GLY CYS VAL ALA TYR PHE ARG SER TYR PHE ASN ARG SEQRES 9 B 522 HIS PHE ARG GLU PRO VAL SER CYS VAL SER ASP SER MET SEQRES 10 B 522 THR GLU ASP ALA ALA VAL PHE GLY GLY GLN GLN ASN MET SEQRES 11 B 522 LYS ASP GLY LEU GLN ASN CYS LYS ALA THR TYR LYS PRO SEQRES 12 B 522 ASP MET ILE ALA VAL SER THR THR CYS MET ALA GLU VAL SEQRES 13 B 522 ILE GLY ASP ASP LEU ASN ALA PHE ILE ASN ASN SER LYS SEQRES 14 B 522 LYS GLU GLY PHE ILE PRO ASP GLU PHE PRO VAL PRO PHE SEQRES 15 B 522 ALA HIS THR PRO SER PHE VAL GLY SER HIS VAL THR GLY SEQRES 16 B 522 TRP ASP ASN MET PHE GLU GLY ILE ALA ARG TYR PHE THR SEQRES 17 B 522 LEU LYS SER MET ASP ASP LYS VAL VAL GLY SER ASN LYS SEQRES 18 B 522 LYS ILE ASN ILE VAL PRO GLY PHE GLU THR TYR LEU GLY SEQRES 19 B 522 ASN PHE ARG VAL ILE LYS ARG MET LEU SER GLU MET GLY SEQRES 20 B 522 VAL GLY TYR SER LEU LEU SER ASP PRO GLU GLU VAL LEU SEQRES 21 B 522 ASP THR PRO ALA ASP GLY GLN PHE ARG MET TYR ALA GLY SEQRES 22 B 522 GLY THR THR GLN GLU GLU MET LYS ASP ALA PRO ASN ALA SEQRES 23 B 522 LEU ASN THR VAL LEU LEU GLN PRO TRP HIS LEU GLU LYS SEQRES 24 B 522 THR LYS LYS PHE VAL GLU GLY THR TRP LYS HIS GLU VAL SEQRES 25 B 522 PRO LYS LEU ASN ILE PRO MET GLY LEU ASP TRP THR ASP SEQRES 26 B 522 GLU PHE LEU MET LYS VAL SER GLU ILE SER GLY GLN PRO SEQRES 27 B 522 ILE PRO ALA SER LEU THR LYS GLU ARG GLY ARG LEU VAL SEQRES 28 B 522 ASP MET MET THR ASP SER HIS THR TRP LEU HIS GLY LYS SEQRES 29 B 522 ARG PHE ALA LEU TRP GLY ASP PRO ASP PHE VAL MET GLY SEQRES 30 B 522 LEU VAL LYS PHE LEU LEU GLU LEU GLY CYS GLU PRO VAL SEQRES 31 B 522 HIS ILE LEU CYS HIS ASN GLY ASN LYS ARG TRP LYS LYS SEQRES 32 B 522 ALA VAL ASP ALA ILE LEU ALA ALA SER PRO TYR GLY LYS SEQRES 33 B 522 ASN ALA THR VAL TYR ILE GLY LYS ASP LEU TRP HIS LEU SEQRES 34 B 522 ARG SER LEU VAL PHE THR ASP LYS PRO ASP PHE MET ILE SEQRES 35 B 522 GLY ASN SER TYR GLY LYS PHE ILE GLN ARG ASP THR LEU SEQRES 36 B 522 HIS LYS GLY LYS GLU PHE GLU VAL PRO LEU ILE ARG ILE SEQRES 37 B 522 GLY PHE PRO ILE PHE ASP ARG HIS HIS LEU HIS ARG SER SEQRES 38 B 522 THR THR LEU GLY TYR GLU GLY ALA MET GLN ILE LEU THR SEQRES 39 B 522 THR LEU VAL ASN SER ILE LEU GLU ARG LEU ASP GLU GLU SEQRES 40 B 522 THR ARG GLY MET GLN ALA THR ASP TYR ASN HIS ASP LEU SEQRES 41 B 522 VAL ARG SEQRES 1 C 491 THR GLY MET SER ARG GLU GLU VAL GLU SER LEU ILE GLN SEQRES 2 C 491 GLU VAL LEU GLU VAL TYR PRO GLU LYS ALA ARG LYS ASP SEQRES 3 C 491 ARG ASN LYS HIS LEU ALA VAL ASN ASP PRO ALA VAL THR SEQRES 4 C 491 GLN SER LYS LYS CYS ILE ILE SER ASN LYS LYS SER GLN SEQRES 5 C 491 PRO GLY LEU MET THR ILE ARG GLY CYS ALA TYR ALA GLY SEQRES 6 C 491 SER LYS GLY ILE VAL TRP GLY PRO ILE LYS ASP MET ILE SEQRES 7 C 491 HIS ILE SER HIS GLY PRO VAL GLY CYS GLY GLN TYR SER SEQRES 8 C 491 ARG ALA GLY ARG ARG ASN TYR TYR ILE GLY THR THR GLY SEQRES 9 C 491 VAL ASN ALA PHE VAL THR MET ASN PHE THR SER ASP PHE SEQRES 10 C 491 GLN GLU LYS ASP ILE VAL PHE GLY GLY ASP LYS LYS LEU SEQRES 11 C 491 ALA LYS LEU ILE ASP GLU VAL GLU THR LEU PHE PRO LEU SEQRES 12 C 491 ASN LYS GLY ILE SER VAL GLN SER GLU CYS PRO ILE GLY SEQRES 13 C 491 LEU ILE GLY ASP ASP ILE GLU SER VAL SER LYS VAL LYS SEQRES 14 C 491 GLY ALA GLU LEU SER LYS THR ILE VAL PRO VAL ARG CYS SEQRES 15 C 491 GLU GLY PHE ARG GLY VAL SER GLN SER LEU GLY HIS HIS SEQRES 16 C 491 ILE ALA ASN ASP ALA VAL ARG ASP TRP VAL LEU GLY LYS SEQRES 17 C 491 ARG ASP GLU ASP THR THR PHE ALA SER THR PRO TYR ASP SEQRES 18 C 491 VAL ALA ILE ILE GLY ASP TYR ASN ILE GLY GLY ASP ALA SEQRES 19 C 491 TRP SER SER ARG ILE LEU LEU GLU GLU MET GLY LEU ARG SEQRES 20 C 491 CYS VAL ALA GLN TRP SER GLY ASP GLY SER ILE SER GLU SEQRES 21 C 491 ILE GLU LEU THR PRO LYS VAL LYS LEU ASN LEU VAL HIS SEQRES 22 C 491 CYS TYR ARG SER MET ASN TYR ILE SER ARG HIS MET GLU SEQRES 23 C 491 GLU LYS TYR GLY ILE PRO TRP MET GLU TYR ASN PHE PHE SEQRES 24 C 491 GLY PRO THR LYS THR ILE GLU SER LEU ARG ALA ILE ALA SEQRES 25 C 491 ALA LYS PHE ASP GLU SER ILE GLN LYS LYS CYS GLU GLU SEQRES 26 C 491 VAL ILE ALA LYS TYR LYS PRO GLU TRP GLU ALA VAL VAL SEQRES 27 C 491 ALA LYS TYR ARG PRO ARG LEU GLU GLY LYS ARG VAL MET SEQRES 28 C 491 LEU TYR ILE GLY GLY LEU ARG PRO ARG HIS VAL ILE GLY SEQRES 29 C 491 ALA TYR GLU ASP LEU GLY MET GLU VAL VAL GLY THR GLY SEQRES 30 C 491 TYR GLU PHE ALA HIS ASN ASP ASP TYR ASP ARG THR MET SEQRES 31 C 491 LYS GLU MET GLY ASP SER THR LEU LEU TYR ASP ASP VAL SEQRES 32 C 491 THR GLY TYR GLU PHE GLU GLU PHE VAL LYS ARG ILE LYS SEQRES 33 C 491 PRO ASP LEU ILE GLY SER GLY ILE LYS GLU LYS PHE ILE SEQRES 34 C 491 PHE GLN LYS MET GLY ILE PRO PHE ARG GLU MET HIS SER SEQRES 35 C 491 TRP ASP TYR SER GLY PRO TYR HIS GLY PHE ASP GLY PHE SEQRES 36 C 491 ALA ILE PHE ALA ARG ASP MET ASP MET THR LEU ASN ASN SEQRES 37 C 491 PRO CYS TRP LYS LYS LEU GLN ALA PRO TRP GLU ALA SER SEQRES 38 C 491 GLU GLY ALA GLU LYS VAL ALA ALA SER ALA SEQRES 1 D 522 SER GLN GLN VAL ASP LYS ILE LYS ALA SER TYR PRO LEU SEQRES 2 D 522 PHE LEU ASP GLN ASP TYR LYS ASP MET LEU ALA LYS LYS SEQRES 3 D 522 ARG ASP GLY PHE GLU GLU LYS TYR PRO GLN ASP LYS ILE SEQRES 4 D 522 ASP GLU VAL PHE GLN TRP THR THR THR LYS GLU TYR GLN SEQRES 5 D 522 GLU LEU ASN PHE GLN ARG GLU ALA LEU THR VAL ASN PRO SEQRES 6 D 522 ALA LYS ALA CYS GLN PRO LEU GLY ALA VAL LEU CYS ALA SEQRES 7 D 522 LEU GLY PHE GLU LYS THR MET PRO TYR VAL HIS GLY SER SEQRES 8 D 522 GLN GLY CYS VAL ALA TYR PHE ARG SER TYR PHE ASN ARG SEQRES 9 D 522 HIS PHE ARG GLU PRO VAL SER CYS VAL SER ASP SER MET SEQRES 10 D 522 THR GLU ASP ALA ALA VAL PHE GLY GLY GLN GLN ASN MET SEQRES 11 D 522 LYS ASP GLY LEU GLN ASN CYS LYS ALA THR TYR LYS PRO SEQRES 12 D 522 ASP MET ILE ALA VAL SER THR THR CYS MET ALA GLU VAL SEQRES 13 D 522 ILE GLY ASP ASP LEU ASN ALA PHE ILE ASN ASN SER LYS SEQRES 14 D 522 LYS GLU GLY PHE ILE PRO ASP GLU PHE PRO VAL PRO PHE SEQRES 15 D 522 ALA HIS THR PRO SER PHE VAL GLY SER HIS VAL THR GLY SEQRES 16 D 522 TRP ASP ASN MET PHE GLU GLY ILE ALA ARG TYR PHE THR SEQRES 17 D 522 LEU LYS SER MET ASP ASP LYS VAL VAL GLY SER ASN LYS SEQRES 18 D 522 LYS ILE ASN ILE VAL PRO GLY PHE GLU THR TYR LEU GLY SEQRES 19 D 522 ASN PHE ARG VAL ILE LYS ARG MET LEU SER GLU MET GLY SEQRES 20 D 522 VAL GLY TYR SER LEU LEU SER ASP PRO GLU GLU VAL LEU SEQRES 21 D 522 ASP THR PRO ALA ASP GLY GLN PHE ARG MET TYR ALA GLY SEQRES 22 D 522 GLY THR THR GLN GLU GLU MET LYS ASP ALA PRO ASN ALA SEQRES 23 D 522 LEU ASN THR VAL LEU LEU GLN PRO TRP HIS LEU GLU LYS SEQRES 24 D 522 THR LYS LYS PHE VAL GLU GLY THR TRP LYS HIS GLU VAL SEQRES 25 D 522 PRO LYS LEU ASN ILE PRO MET GLY LEU ASP TRP THR ASP SEQRES 26 D 522 GLU PHE LEU MET LYS VAL SER GLU ILE SER GLY GLN PRO SEQRES 27 D 522 ILE PRO ALA SER LEU THR LYS GLU ARG GLY ARG LEU VAL SEQRES 28 D 522 ASP MET MET THR ASP SER HIS THR TRP LEU HIS GLY LYS SEQRES 29 D 522 ARG PHE ALA LEU TRP GLY ASP PRO ASP PHE VAL MET GLY SEQRES 30 D 522 LEU VAL LYS PHE LEU LEU GLU LEU GLY CYS GLU PRO VAL SEQRES 31 D 522 HIS ILE LEU CYS HIS ASN GLY ASN LYS ARG TRP LYS LYS SEQRES 32 D 522 ALA VAL ASP ALA ILE LEU ALA ALA SER PRO TYR GLY LYS SEQRES 33 D 522 ASN ALA THR VAL TYR ILE GLY LYS ASP LEU TRP HIS LEU SEQRES 34 D 522 ARG SER LEU VAL PHE THR ASP LYS PRO ASP PHE MET ILE SEQRES 35 D 522 GLY ASN SER TYR GLY LYS PHE ILE GLN ARG ASP THR LEU SEQRES 36 D 522 HIS LYS GLY LYS GLU PHE GLU VAL PRO LEU ILE ARG ILE SEQRES 37 D 522 GLY PHE PRO ILE PHE ASP ARG HIS HIS LEU HIS ARG SER SEQRES 38 D 522 THR THR LEU GLY TYR GLU GLY ALA MET GLN ILE LEU THR SEQRES 39 D 522 THR LEU VAL ASN SER ILE LEU GLU ARG LEU ASP GLU GLU SEQRES 40 D 522 THR ARG GLY MET GLN ALA THR ASP TYR ASN HIS ASP LEU SEQRES 41 D 522 VAL ARG HET HCA A 494 14 HET CFN A6496 18 HET CLF B6498 15 HET CA B 524 1 HET CFN C7496 18 HET HCA C 494 14 HET CA D 524 1 HET CLF D7498 15 HETNAM HCA 3-HYDROXY-3-CARBOXY-ADIPIC ACID HETNAM CFN FE(7)-MO-S(9)-N CLUSTER HETNAM CLF FE(8)-S(7) CLUSTER HETNAM CA CALCIUM ION FORMUL 5 HCA 2(C7 H10 O7) FORMUL 6 CFN 2(FE7 MO N S9) FORMUL 7 CLF 2(FE8 S7) FORMUL 8 CA 2(CA 2+) FORMUL 13 HOH *830(H2 O) HELIX 1 1 GLU A 7 GLU A 18 1 12 HELIX 2 2 PRO A 21 HIS A 31 1 11 HELIX 3 3 CYS A 62 LYS A 68 1 7 HELIX 4 4 VAL A 86 SER A 92 1 7 HELIX 5 5 GLN A 119 GLY A 126 1 8 HELIX 6 6 GLY A 127 PHE A 142 1 16 HELIX 7 7 CYS A 154 ILE A 159 1 6 HELIX 8 8 ASP A 162 SER A 175 1 14 HELIX 9 9 SER A 190 VAL A 206 1 17 HELIX 10 10 ASN A 230 GLY A 232 5 3 HELIX 11 11 GLY A 233 MET A 245 1 13 HELIX 12 12 SER A 258 THR A 265 1 8 HELIX 13 13 PRO A 266 VAL A 268 5 3 HELIX 14 14 CYS A 275 GLY A 291 1 17 HELIX 15 15 GLY A 301 LYS A 315 1 15 HELIX 16 16 ASP A 317 GLU A 347 1 31 HELIX 17 17 LEU A 358 VAL A 363 1 6 HELIX 18 18 VAL A 363 ASP A 369 1 7 HELIX 19 19 HIS A 383 MET A 394 1 12 HELIX 20 20 THR A 405 LYS A 417 1 13 HELIX 21 21 GLY A 424 MET A 434 1 11 HELIX 22 22 SER A 443 SER A 447 5 5 HELIX 23 23 HIS A 451 ASN A 468 1 18 HELIX 24 24 ASN A 469 LYS A 474 5 6 HELIX 25 25 ALA B 10 PHE B 15 1 6 HELIX 26 26 ASP B 17 GLU B 32 1 16 HELIX 27 27 PRO B 36 THR B 48 1 13 HELIX 28 28 THR B 49 GLN B 58 1 10 HELIX 29 29 CYS B 70 LEU B 80 1 11 HELIX 30 30 GLN B 93 ARG B 108 1 16 HELIX 31 31 ASP B 121 GLY B 126 1 6 HELIX 32 32 GLY B 127 LYS B 143 1 17 HELIX 33 33 THR B 152 GLY B 159 1 8 HELIX 34 34 ASP B 161 GLU B 172 1 12 HELIX 35 35 SER B 192 LEU B 210 1 19 HELIX 36 36 SER B 212 LYS B 216 5 5 HELIX 37 37 TYR B 233 GLY B 248 1 16 HELIX 38 38 GLU B 259 THR B 263 5 5 HELIX 39 39 THR B 277 ASP B 283 1 7 HELIX 40 40 ALA B 284 ALA B 287 5 4 HELIX 41 41 GLN B 294 HIS B 297 5 4 HELIX 42 42 LEU B 298 THR B 308 1 11 HELIX 43 43 MET B 320 GLY B 337 1 18 HELIX 44 44 PRO B 341 HIS B 363 1 23 HELIX 45 45 ASP B 372 LEU B 386 1 15 HELIX 46 46 ASN B 399 ALA B 412 1 14 HELIX 47 47 SER B 413 LYS B 417 5 5 HELIX 48 48 ASP B 426 ASP B 437 1 12 HELIX 49 49 ASN B 445 TYR B 447 5 3 HELIX 50 50 GLY B 448 GLY B 459 1 12 HELIX 51 51 LYS B 460 GLU B 463 5 4 HELIX 52 52 HIS B 478 SER B 482 5 5 HELIX 53 53 LEU B 485 THR B 509 1 25 HELIX 54 54 THR B 515 HIS B 519 5 5 HELIX 55 55 SER C 5 GLU C 18 1 14 HELIX 56 56 PRO C 21 HIS C 31 1 11 HELIX 57 57 CYS C 62 LYS C 68 1 7 HELIX 58 58 VAL C 86 SER C 92 1 7 HELIX 59 59 GLN C 119 GLY C 126 1 8 HELIX 60 60 GLY C 127 PHE C 142 1 16 HELIX 61 61 CYS C 154 ILE C 159 1 6 HELIX 62 62 ASP C 162 SER C 175 1 14 HELIX 63 63 SER C 190 VAL C 206 1 17 HELIX 64 64 ASN C 230 GLY C 232 5 3 HELIX 65 65 GLY C 233 MET C 245 1 13 HELIX 66 66 SER C 258 THR C 265 1 8 HELIX 67 67 PRO C 266 VAL C 268 5 3 HELIX 68 68 CYS C 275 GLY C 291 1 17 HELIX 69 69 PHE C 300 LYS C 315 1 16 HELIX 70 70 ASP C 317 GLU C 347 1 31 HELIX 71 71 LEU C 358 VAL C 363 1 6 HELIX 72 72 VAL C 363 ASP C 369 1 7 HELIX 73 73 HIS C 383 MET C 394 1 12 HELIX 74 74 THR C 405 LYS C 417 1 13 HELIX 75 75 GLY C 424 MET C 434 1 11 HELIX 76 76 SER C 443 SER C 447 5 5 HELIX 77 77 HIS C 451 ASN C 468 1 18 HELIX 78 78 ASN C 469 LYS C 474 5 6 HELIX 79 79 ALA D 10 PHE D 15 1 6 HELIX 80 80 ASP D 17 GLU D 32 1 16 HELIX 81 81 PRO D 36 THR D 48 1 13 HELIX 82 82 THR D 49 GLN D 58 1 10 HELIX 83 83 CYS D 70 GLY D 81 1 12 HELIX 84 84 GLN D 93 ARG D 108 1 16 HELIX 85 85 THR D 119 GLY D 126 1 8 HELIX 86 86 GLY D 127 LYS D 143 1 17 HELIX 87 87 THR D 152 GLY D 159 1 8 HELIX 88 88 ASP D 161 GLU D 172 1 12 HELIX 89 89 SER D 192 LEU D 210 1 19 HELIX 90 90 LYS D 211 LYS D 216 5 6 HELIX 91 91 TYR D 233 MET D 247 1 15 HELIX 92 92 GLU D 259 THR D 263 5 5 HELIX 93 93 THR D 277 ALA D 284 1 8 HELIX 94 94 PRO D 285 ALA D 287 5 3 HELIX 95 95 GLN D 294 HIS D 297 5 4 HELIX 96 96 LEU D 298 THR D 308 1 11 HELIX 97 97 MET D 320 GLY D 337 1 18 HELIX 98 98 PRO D 341 HIS D 363 1 23 HELIX 99 99 ASP D 372 LEU D 386 1 15 HELIX 100 100 ASN D 399 ALA D 412 1 14 HELIX 101 101 SER D 413 LYS D 417 5 5 HELIX 102 102 ASP D 426 ASP D 437 1 12 HELIX 103 103 ASN D 445 TYR D 447 5 3 HELIX 104 104 GLY D 448 GLY D 459 1 12 HELIX 105 105 LYS D 460 GLU D 463 5 4 HELIX 106 106 HIS D 478 SER D 482 5 5 HELIX 107 107 LEU D 485 THR D 509 1 25 HELIX 108 108 THR D 515 HIS D 519 5 5 SHEET 1 A 6 LEU A 32 VAL A 34 0 SHEET 2 A 6 LEU A 399 ASP A 402 -1 O LEU A 400 N ALA A 33 SHEET 3 A 6 GLU A 373 TYR A 379 1 N THR A 377 O LEU A 399 SHEET 4 A 6 ARG A 350 LEU A 353 1 N VAL A 351 O GLU A 373 SHEET 5 A 6 LEU A 420 SER A 423 1 O GLY A 422 N MET A 352 SHEET 6 A 6 PHE A 438 GLU A 440 1 O ARG A 439 N ILE A 421 SHEET 1 B 5 ILE A 178 VAL A 181 0 SHEET 2 B 5 ILE A 148 SER A 152 1 N VAL A 150 O VAL A 179 SHEET 3 B 5 ILE A 79 HIS A 83 1 N ILE A 81 O SER A 149 SHEET 4 B 5 PHE A 114 THR A 115 1 O PHE A 114 N SER A 82 SHEET 5 B 5 THR B 63 VAL B 64 -1 O THR B 63 N THR A 115 SHEET 1 C 4 ARG A 248 SER A 254 0 SHEET 2 C 4 ASP A 222 ASP A 228 1 N ILE A 225 O TRP A 253 SHEET 3 C 4 LEU A 270 VAL A 273 1 O LEU A 272 N ILE A 226 SHEET 4 C 4 TRP A 294 GLU A 296 1 O MET A 295 N VAL A 273 SHEET 1 D 3 VAL B 114 SER B 115 0 SHEET 2 D 3 THR B 85 HIS B 90 1 N VAL B 89 O VAL B 114 SHEET 3 D 3 MET B 146 THR B 151 1 O SER B 150 N HIS B 90 SHEET 1 E 3 TYR B 251 LEU B 253 0 SHEET 2 E 3 ILE B 224 VAL B 227 1 N ILE B 226 O SER B 252 SHEET 3 E 3 ASN B 289 LEU B 292 1 O VAL B 291 N ASN B 225 SHEET 1 F 5 THR B 420 ILE B 423 0 SHEET 2 F 5 GLU B 389 CYS B 395 1 N ILE B 393 O TYR B 422 SHEET 3 F 5 ARG B 366 TRP B 370 1 N LEU B 369 O HIS B 392 SHEET 4 F 5 PHE B 441 GLY B 444 1 O ILE B 443 N ALA B 368 SHEET 5 F 5 LEU B 466 ARG B 468 1 O ILE B 467 N MET B 442 SHEET 1 G 6 LEU C 32 VAL C 34 0 SHEET 2 G 6 LEU C 399 ASP C 402 -1 O LEU C 400 N ALA C 33 SHEET 3 G 6 GLU C 373 TYR C 379 1 N THR C 377 O LEU C 399 SHEET 4 G 6 ARG C 350 LEU C 353 1 N VAL C 351 O GLU C 373 SHEET 5 G 6 LEU C 420 SER C 423 1 O GLY C 422 N MET C 352 SHEET 6 G 6 PHE C 438 GLU C 440 1 O ARG C 439 N ILE C 421 SHEET 1 H 5 ILE C 178 VAL C 181 0 SHEET 2 H 5 ILE C 148 SER C 152 1 N VAL C 150 O VAL C 179 SHEET 3 H 5 ILE C 79 HIS C 83 1 N ILE C 81 O SER C 149 SHEET 4 H 5 PHE C 114 THR C 115 1 O PHE C 114 N SER C 82 SHEET 5 H 5 THR D 63 VAL D 64 -1 O THR D 63 N THR C 115 SHEET 1 I 4 ARG C 248 SER C 254 0 SHEET 2 I 4 ASP C 222 ASP C 228 1 N ILE C 225 O ALA C 251 SHEET 3 I 4 LEU C 270 VAL C 273 1 O LEU C 272 N ILE C 226 SHEET 4 I 4 TRP C 294 GLU C 296 1 O MET C 295 N VAL C 273 SHEET 1 J 3 VAL D 114 SER D 115 0 SHEET 2 J 3 THR D 85 HIS D 90 1 N VAL D 89 O VAL D 114 SHEET 3 J 3 MET D 146 THR D 151 1 O SER D 150 N HIS D 90 SHEET 1 K 3 TYR D 251 LEU D 253 0 SHEET 2 K 3 ILE D 224 VAL D 227 1 N ILE D 226 O SER D 252 SHEET 3 K 3 ASN D 289 LEU D 292 1 O VAL D 291 N ASN D 225 SHEET 1 L 5 THR D 420 ILE D 423 0 SHEET 2 L 5 GLU D 389 CYS D 395 1 N ILE D 393 O TYR D 422 SHEET 3 L 5 ARG D 366 TRP D 370 1 N LEU D 369 O HIS D 392 SHEET 4 L 5 PHE D 441 GLY D 444 1 O ILE D 443 N ALA D 368 SHEET 5 L 5 LEU D 466 ARG D 468 1 O ILE D 467 N MET D 442 LINK SG CYS A 88 FE4 CLF B6498 1555 1555 2.26 LINK SG CYS A 88 FE5 CLF B6498 1555 1555 2.23 LINK SG CYS A 154 FE2 CLF B6498 1555 1555 2.60 LINK SG CYS A 275 FE1 CFN A6496 1555 1555 2.30 LINK SG CYS B 95 FE1 CLF B6498 1555 1555 2.38 LINK SG CYS B 95 FE8 CLF B6498 1555 1555 2.27 LINK O ARG B 108 CA CA D 524 1555 1555 2.21 LINK OE2 GLU B 109 CA CA D 524 1555 1555 2.59 LINK SG CYS B 153 FE6 CLF B6498 1555 1555 2.55 LINK OD2 ASP B 353 CA CA B 524 1555 1555 2.30 LINK OD2 ASP B 357 CA CA B 524 1555 1555 2.21 LINK CA CA B 524 O HOH B 835 1555 1555 2.62 LINK CA CA B 524 O ARG D 108 1555 1555 2.21 LINK CA CA B 524 OE2 GLU D 109 1555 1555 2.41 LINK SG CYS C 88 FE4 CLF D7498 1555 1555 2.20 LINK SG CYS C 88 FE5 CLF D7498 1555 1555 2.31 LINK SG CYS C 154 FE2 CLF D7498 1555 1555 2.62 LINK SG CYS C 275 FE1 CFN C7496 1555 1555 2.21 LINK SG CYS D 95 FE1 CLF D7498 1555 1555 2.44 LINK SG CYS D 95 FE8 CLF D7498 1555 1555 2.29 LINK SG CYS D 153 FE6 CLF D7498 1555 1555 2.70 LINK OD2 ASP D 353 CA CA D 524 1555 1555 2.30 LINK OD2 ASP D 357 CA CA D 524 1555 1555 2.20 LINK CA CA D 524 O HOH D 599 1555 1555 2.30 CISPEP 1 TRP A 253 SER A 254 0 -3.42 CISPEP 2 GLY A 448 PRO A 449 0 8.21 CISPEP 3 TYR B 12 PRO B 13 0 5.16 CISPEP 4 PHE B 471 PRO B 472 0 -5.15 CISPEP 5 GLY C 448 PRO C 449 0 6.26 CISPEP 6 TYR D 12 PRO D 13 0 3.05 CISPEP 7 PHE D 471 PRO D 472 0 -6.02 SITE 1 AC1 13 ALA A 65 ARG A 96 GLN A 191 GLY A 424 SITE 2 AC1 13 ILE A 425 HIS A 442 HOH A 497 HOH A 498 SITE 3 AC1 13 HOH A 505 HOH A 516 HOH A 530 HOH A 590 SITE 4 AC1 13 CFN A6496 SITE 1 AC2 11 ILE A 70 ARG A 96 HIS A 195 TYR A 229 SITE 2 AC2 11 CYS A 275 GLY A 356 GLY A 357 ARG A 359 SITE 3 AC2 11 PHE A 381 HIS A 442 HCA A 494 SITE 1 AC3 11 CYS A 62 GLY A 87 CYS A 88 CYS A 154 SITE 2 AC3 11 CYS B 70 SER B 92 CYS B 95 TYR B 98 SITE 3 AC3 11 THR B 152 CYS B 153 SER B 188 SITE 1 AC4 5 ASP B 353 ASP B 357 HOH B 835 ARG D 108 SITE 2 AC4 5 GLU D 109 SITE 1 AC5 11 ILE C 70 ARG C 96 HIS C 195 TYR C 229 SITE 2 AC5 11 CYS C 275 GLY C 356 GLY C 357 ARG C 359 SITE 3 AC5 11 PHE C 381 HIS C 442 HCA C 494 SITE 1 AC6 15 ALA C 65 ARG C 96 GLN C 191 GLY C 424 SITE 2 AC6 15 ILE C 425 HIS C 442 HOH C 500 HOH C 502 SITE 3 AC6 15 HOH C 530 HOH C 534 HOH C 560 HOH C 607 SITE 4 AC6 15 HOH C 685 HOH C 781 CFN C7496 SITE 1 AC7 5 ARG B 108 GLU B 109 ASP D 353 ASP D 357 SITE 2 AC7 5 HOH D 599 SITE 1 AC8 12 CYS C 62 GLY C 87 CYS C 88 CYS C 154 SITE 2 AC8 12 CYS D 70 SER D 92 CYS D 95 TYR D 98 SITE 3 AC8 12 THR D 152 CYS D 153 SER D 188 HOH D 619 CRYST1 77.019 129.458 107.088 90.00 109.01 90.00 P 1 21 1 4 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 0.012984 0.000000 0.004474 0.00000 SCALE2 0.000000 0.007725 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009877 0.00000