HEADER OXIDOREDUCTASE 15-DEC-03 1RW4 TITLE NITROGENASE FE PROTEIN L127 DELETION VARIANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROGENASE IRON PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NITROGENASE FE PROTEIN 1, NITROGENASE COMPONENT II, COMPND 5 NITROGENASE REDUCTASE; COMPND 6 EC: 1.18.6.1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AZOTOBACTER VINELANDII; SOURCE 3 ORGANISM_TAXID: 354; SOURCE 4 GENE: NIFH; SOURCE 5 EXPRESSION_SYSTEM: AZOTOBACTER VINELANDII; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 354; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: FE PROTEIN DELETION VARIANT KEYWDS OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR S.SEN,R.IGARASHI,A.SMITH,M.K.JOHNSON,L.C.SEEFELDT,J.W.PETERS REVDAT 7 23-AUG-23 1RW4 1 REMARK SEQADV REVDAT 6 11-OCT-17 1RW4 1 REMARK REVDAT 5 13-JUL-11 1RW4 1 VERSN REVDAT 4 31-MAR-09 1RW4 1 ATOM CONECT REVDAT 3 24-FEB-09 1RW4 1 VERSN REVDAT 2 17-AUG-04 1RW4 1 REMARK MASTER REVDAT 1 09-MAR-04 1RW4 0 JRNL AUTH S.SEN,R.IGARASHI,A.SMITH,M.K.JOHNSON,L.C.SEEFELDT,J.W.PETERS JRNL TITL A CONFORMATIONAL MIMIC OF THE MGATP-BOUND "ON STATE" OF THE JRNL TITL 2 NITROGENASE IRON PROTEIN. JRNL REF BIOCHEMISTRY V. 43 1787 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 14967020 JRNL DOI 10.1021/BI0358465 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 10015 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 SET) : 0.220 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 387 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2050 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 99 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1RW4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JAN-04. REMARK 100 THE DEPOSITION ID IS D_1000021081. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 2.5 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10015 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 1G20 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.54000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.54000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 35.39000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 66.54500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 35.39000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 66.54500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 30.54000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 35.39000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 66.54500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 30.54000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 35.39000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 66.54500 REMARK 290 SMTRY3 8 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: 2780 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23140 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -73.0 KCAL/MOL 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 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 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 MET A 0 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 50 NE2 HIS A 50 CD2 -0.071 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 CYS A 97 CA - CB - SG ANGL. DEV. = 11.7 DEGREES REMARK 500 MET A 155 CA - CB - CG ANGL. DEV. = 15.5 DEGREES REMARK 500 TYR A 159 CB - CG - CD2 ANGL. DEV. = 3.8 DEGREES REMARK 500 TYR A 159 CB - CG - CD1 ANGL. DEV. = -5.8 DEGREES REMARK 500 ARG A 191 NE - CZ - NH1 ANGL. DEV. = 3.8 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 MET A 2 101.08 -51.61 REMARK 500 ASP A 43 14.34 -145.48 REMARK 500 ALA A 53 153.07 175.38 REMARK 500 ALA A 61 -62.79 -91.59 REMARK 500 VAL A 67 -49.65 -131.23 REMARK 500 GLU A 68 53.79 -163.72 REMARK 500 ASP A 69 45.17 -144.05 REMARK 500 SER A 88 -89.58 -141.32 REMARK 500 THR A 104 44.71 -82.74 REMARK 500 ALA A 105 -52.00 -154.76 REMARK 500 GLU A 116 157.70 -42.86 REMARK 500 VAL A 126 -138.74 -100.83 REMARK 500 VAL A 131 71.64 -115.28 REMARK 500 PRO A 138 28.53 -65.23 REMARK 500 ILE A 139 13.80 -158.41 REMARK 500 ARG A 140 -132.48 -84.45 REMARK 500 GLU A 141 -70.24 -63.96 REMARK 500 ASN A 142 32.93 -86.75 REMARK 500 ALA A 144 120.07 -32.95 REMARK 500 ALA A 172 87.01 -54.08 REMARK 500 ASN A 173 -176.14 54.14 REMARK 500 SER A 186 157.08 -48.19 REMARK 500 ARG A 187 -29.46 -146.73 REMARK 500 THR A 189 -161.31 -59.55 REMARK 500 ASP A 190 10.73 -59.71 REMARK 500 THR A 205 -149.40 -111.85 REMARK 500 HIS A 209 145.36 179.58 REMARK 500 LEU A 252 95.76 -64.95 REMARK 500 PHE A 271 -85.84 -106.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE IRON CLUSTER [4FE-4S]2+ UNDERGOES GLYCEROL-INDUCED REMARK 600 CLEAVAGE TO GIVE RISE TO TWO [2FE-2S] FRAGMENTS. 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 290 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 97 SG REMARK 620 2 SF4 A 290 S2 83.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 290 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 132 SG REMARK 620 2 SF4 A 290 S1 120.8 REMARK 620 3 GOL A 501 O2 79.3 100.3 REMARK 620 N 1 2 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 290 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 501 DBREF 1RW4 A 2 272 UNP P00459 NIFH1_AZOVI 1 272 SEQADV 1RW4 MET A 0 UNP P00459 CLONING ARTIFACT SEQADV 1RW4 A UNP P00459 LEU 127 DELETION SEQRES 1 A 272 MET ALA MET ARG GLN CYS ALA ILE TYR GLY LYS GLY GLY SEQRES 2 A 272 ILE GLY LYS SER THR THR THR GLN ASN LEU VAL ALA ALA SEQRES 3 A 272 LEU ALA GLU MET GLY LYS LYS VAL MET ILE VAL GLY CYS SEQRES 4 A 272 ASP PRO LYS ALA ASP SER THR ARG LEU ILE LEU HIS SER SEQRES 5 A 272 LYS ALA GLN ASN THR ILE MET GLU MET ALA ALA GLU ALA SEQRES 6 A 272 GLY THR VAL GLU ASP LEU GLU LEU GLU ASP VAL LEU LYS SEQRES 7 A 272 ALA GLY TYR GLY GLY VAL LYS CYS VAL GLU SER GLY GLY SEQRES 8 A 272 PRO GLU PRO GLY VAL GLY CYS ALA GLY ARG GLY VAL ILE SEQRES 9 A 272 THR ALA ILE ASN PHE LEU GLU GLU GLU GLY ALA TYR GLU SEQRES 10 A 272 ASP ASP LEU ASP PHE VAL PHE TYR ASP VAL GLY ASP VAL SEQRES 11 A 272 VAL CYS GLY GLY PHE ALA MET PRO ILE ARG GLU ASN LYS SEQRES 12 A 272 ALA GLN GLU ILE TYR ILE VAL CYS SER GLY GLU MET MET SEQRES 13 A 272 ALA MET TYR ALA ALA ASN ASN ILE SER LYS GLY ILE VAL SEQRES 14 A 272 LYS TYR ALA ASN SER GLY SER VAL ARG LEU GLY GLY LEU SEQRES 15 A 272 ILE CYS ASN SER ARG ASN THR ASP ARG GLU ASP GLU LEU SEQRES 16 A 272 ILE ILE ALA LEU ALA ASN LYS LEU GLY THR GLN MET ILE SEQRES 17 A 272 HIS PHE VAL PRO ARG ASP ASN VAL VAL GLN ARG ALA GLU SEQRES 18 A 272 ILE ARG ARG MET THR VAL ILE GLU TYR ASP PRO LYS ALA SEQRES 19 A 272 LYS GLN ALA ASP GLU TYR ARG ALA LEU ALA ARG LYS VAL SEQRES 20 A 272 VAL ASP ASN LYS LEU LEU VAL ILE PRO ASN PRO ILE THR SEQRES 21 A 272 MET ASP GLU LEU GLU GLU LEU LEU MET GLU PHE GLY HET SF4 A 290 4 HET GOL A 501 6 HETNAM SF4 IRON/SULFUR CLUSTER HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 SF4 FE4 S4 FORMUL 3 GOL C3 H8 O3 FORMUL 4 HOH *99(H2 O) HELIX 1 1 GLY A 14 MET A 29 1 16 HELIX 2 2 THR A 45 HIS A 50 1 6 HELIX 3 3 GLU A 59 ALA A 64 1 6 HELIX 4 4 GLU A 71 VAL A 75 5 5 HELIX 5 5 TYR A 80 GLY A 82 5 3 HELIX 6 6 GLY A 99 GLY A 101 5 3 HELIX 7 7 VAL A 102 GLY A 113 1 12 HELIX 8 8 ALA A 136 ARG A 140 5 5 HELIX 9 9 GLU A 154 LYS A 170 1 17 HELIX 10 10 GLU A 192 GLY A 204 1 13 HELIX 11 11 ASN A 215 ARG A 223 1 9 HELIX 12 12 THR A 226 ASP A 231 1 6 HELIX 13 13 GLN A 236 ASN A 250 1 15 HELIX 14 14 ASP A 262 PHE A 271 1 10 SHEET 1 A 8 LYS A 77 ALA A 78 0 SHEET 2 A 8 LYS A 84 GLU A 87 -1 O CYS A 85 N LYS A 77 SHEET 3 A 8 VAL A 33 GLY A 37 1 N ILE A 35 O LYS A 84 SHEET 4 A 8 PHE A 121 ASP A 125 1 O PHE A 123 N VAL A 36 SHEET 5 A 8 ARG A 3 GLY A 9 1 N CYS A 5 O VAL A 122 SHEET 6 A 8 GLU A 146 CYS A 151 1 O VAL A 150 N TYR A 8 SHEET 7 A 8 GLY A 181 ASN A 185 1 O ASN A 185 N CYS A 151 SHEET 8 A 8 MET A 207 VAL A 211 1 O VAL A 211 N CYS A 184 LINK SG CYS A 97 FE1 SF4 A 290 1555 1555 2.47 LINK SG CYS A 132 FE2 SF4 A 290 1555 1555 2.42 LINK FE2 SF4 A 290 O2 GOL A 501 1555 4555 2.11 CISPEP 1 GLU A 92 PRO A 93 0 5.58 SITE 1 AC1 7 CYS A 97 GLY A 99 ARG A 100 CYS A 132 SITE 2 AC1 7 GOL A 501 HOH A 513 HOH A 553 SITE 1 AC2 5 CYS A 97 VAL A 130 CYS A 132 PHE A 135 SITE 2 AC2 5 SF4 A 290 CRYST1 70.780 133.090 61.080 90.00 90.00 90.00 C 2 2 21 8 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.014128 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007514 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016372 0.00000