HEADER ELECTRON TRANSPORT 01-OCT-99 1D3W TITLE CRYSTAL STRUCTURE OF FERREDOXIN 1 D15E MUTANT FROM AZOTOBACTER TITLE 2 VINELANDII AT 1.7 ANGSTROM RESOLUTION. COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERREDOXIN 1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AZOTOBACTER VINELANDII; SOURCE 3 ORGANISM_TAXID: 354; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 OTHER_DETAILS: THE SEQUENCE WAS MUTATED BY SITE DIRECTED MUTAGENESIS SOURCE 7 USING BIORAD MUTAGENE 2 KIT. KEYWDS BETA SHEET, PROTEIN MONOMER, IRON-SULPHUR PROTEIN, FERREDOXIN, KEYWDS 2 ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR K.CHEN,J.HIRST,R.CAMBA,C.A.BONAGURA,C.D.STOUT,B.K.BURGES, AUTHOR 2 F.A.ARMSTRONG REVDAT 4 07-FEB-24 1D3W 1 REMARK SEQADV REVDAT 3 24-FEB-09 1D3W 1 VERSN REVDAT 2 05-APR-05 1D3W 1 COMPND SOURCE MASTER JRNL REVDAT 2 2 1 REMARK CRYST1 CONECT REVDAT 1 14-OCT-99 1D3W 0 JRNL AUTH K.CHEN,J.HIRST,R.CAMBA,C.A.BONAGURA,C.D.STOUT,B.K.BURGESS, JRNL AUTH 2 F.A.ARMSTRONG JRNL TITL ATOMICALLY DEFINED MECHANISM FOR PROTON TRANSFER TO A BURIED JRNL TITL 2 REDOX CENTRE IN A PROTEIN. JRNL REF NATURE V. 405 814 2000 JRNL REFN ISSN 0028-0836 JRNL PMID 10866206 JRNL DOI 10.1038/35015610 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 10561 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 528 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 : 842 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 140 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.895 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 1D3W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-OCT-99. REMARK 100 THE DEPOSITION ID IS D_1000009771. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-JUL-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16030 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.5 REMARK 200 DATA REDUNDANCY : 13.81 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.3800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.72 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.54600 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: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: .4M TRIS PH 7.8, 1.2 M AMMONIUM REMARK 280 SULPHATE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 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 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 46.26750 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 27.68500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 27.68500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 23.13375 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 27.68500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 27.68500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 69.40125 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 27.68500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 27.68500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 23.13375 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 27.68500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 27.68500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 69.40125 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 46.26750 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 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 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 PRO A 36 H2 HOH A 157 1.45 REMARK 500 OE2 GLU A 73 H2 HOH A 131 1.47 REMARK 500 OD1 ASP A 41 H1 HOH A 141 1.49 REMARK 500 O ILE A 81 H1 HOH A 114 1.56 REMARK 500 O GLY A 99 H1 HOH A 193 1.59 REMARK 500 O GLU A 59 H2 HOH A 135 1.59 REMARK 500 OE2 GLU A 46 H2 HOH A 201 1.60 REMARK 500 OE1 GLU A 66 H1 HOH A 185 1.60 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 H1 HOH A 136 O HOH A 247 3545 1.34 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 THR A 5 -167.82 -105.01 REMARK 500 LYS A 10 -3.39 76.36 REMARK 500 ASN A 30 32.30 -145.76 REMARK 500 ALA A 43 -2.10 62.94 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 F3S A 108 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 8 SG REMARK 620 2 F3S A 108 S1 112.0 REMARK 620 3 F3S A 108 S3 113.8 103.2 REMARK 620 4 F3S A 108 S4 108.8 111.4 107.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 F3S A 108 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 16 SG REMARK 620 2 F3S A 108 S1 113.6 REMARK 620 3 F3S A 108 S2 108.2 112.0 REMARK 620 4 F3S A 108 S3 114.1 103.3 105.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 107 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 20 SG REMARK 620 2 SF4 A 107 S1 110.9 REMARK 620 3 SF4 A 107 S2 119.1 103.9 REMARK 620 4 SF4 A 107 S3 112.8 105.4 103.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 107 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 39 SG REMARK 620 2 SF4 A 107 S2 118.0 REMARK 620 3 SF4 A 107 S3 118.3 103.7 REMARK 620 4 SF4 A 107 S4 105.7 105.5 104.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 107 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 42 SG REMARK 620 2 SF4 A 107 S1 99.8 REMARK 620 3 SF4 A 107 S3 121.6 105.6 REMARK 620 4 SF4 A 107 S4 119.8 103.9 103.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 107 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 45 SG REMARK 620 2 SF4 A 107 S1 107.5 REMARK 620 3 SF4 A 107 S2 118.9 104.3 REMARK 620 4 SF4 A 107 S4 114.1 104.6 106.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 F3S A 108 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 49 SG REMARK 620 2 F3S A 108 S2 111.7 REMARK 620 3 F3S A 108 S3 109.5 106.0 REMARK 620 4 F3S A 108 S4 111.1 111.3 107.0 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 SF4 A 107 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE F3S A 108 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FDD RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF FERREDOXIN I D15N MUTANT AT 1.9 ANGSTROM REMARK 900 RESOLUTION. REMARK 900 RELATED ID: 1BOT RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF FERREDOXIN I D15K, K84D MUTANT AT 2.1 REMARK 900 ANGSTROM RESOLUTION. REMARK 900 RELATED ID: 6FDR RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF DITHIONITE REDUCED FERREDOXIN I WILDTYPE REMARK 900 FROM AZOTOBACTER VINELANDII AT 1.4 ANGSTROM RESOLUTION. REMARK 900 RELATED ID: 7FDR RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF THE OXIDIZED FORM OF FERREDOXIN I REMARK 900 WILDTYPE FROM AZOTOBACTER VINELANDII AT 1.4 ANGSTROM RESOLUTION. DBREF 1D3W A 1 106 UNP P00214 FER1_AZOVI 2 107 SEQADV 1D3W GLU A 15 UNP P00214 ASP 15 ENGINEERED MUTATION SEQRES 1 A 106 ALA PHE VAL VAL THR ASP ASN CYS ILE LYS CYS LYS TYR SEQRES 2 A 106 THR GLU CYS VAL GLU VAL CYS PRO VAL ASP CYS PHE TYR SEQRES 3 A 106 GLU GLY PRO ASN PHE LEU VAL ILE HIS PRO ASP GLU CYS SEQRES 4 A 106 ILE ASP CYS ALA LEU CYS GLU PRO GLU CYS PRO ALA GLN SEQRES 5 A 106 ALA ILE PHE SER GLU ASP GLU VAL PRO GLU ASP MET GLN SEQRES 6 A 106 GLU PHE ILE GLN LEU ASN ALA GLU LEU ALA GLU VAL TRP SEQRES 7 A 106 PRO ASN ILE THR GLU LYS LYS ASP PRO LEU PRO ASP ALA SEQRES 8 A 106 GLU ASP TRP ASP GLY VAL LYS GLY LYS LEU GLN HIS LEU SEQRES 9 A 106 GLU ARG HET SF4 A 107 8 HET F3S A 108 7 HETNAM SF4 IRON/SULFUR CLUSTER HETNAM F3S FE3-S4 CLUSTER FORMUL 2 SF4 FE4 S4 FORMUL 3 F3S FE3 S4 FORMUL 4 HOH *140(H2 O) HELIX 1 1 ASP A 6 ILE A 9 5 4 HELIX 2 2 CYS A 45 CYS A 49 5 5 HELIX 3 3 ASP A 58 VAL A 60 5 3 HELIX 4 4 PRO A 61 MET A 64 5 4 HELIX 5 5 GLN A 65 TRP A 78 1 14 HELIX 6 6 ASP A 90 ASP A 95 1 6 HELIX 7 7 GLY A 99 LEU A 104 5 6 SHEET 1 A 2 PHE A 2 VAL A 4 0 SHEET 2 A 2 ILE A 54 SER A 56 -1 O PHE A 55 N VAL A 3 SHEET 1 B 2 PHE A 25 GLY A 28 0 SHEET 2 B 2 PHE A 31 ILE A 34 -1 O PHE A 31 N GLY A 28 LINK SG CYS A 8 FE3 F3S A 108 1555 1555 2.28 LINK SG CYS A 16 FE1 F3S A 108 1555 1555 2.28 LINK SG CYS A 20 FE4 SF4 A 107 1555 1555 2.28 LINK SG CYS A 39 FE1 SF4 A 107 1555 1555 2.29 LINK SG CYS A 42 FE2 SF4 A 107 1555 1555 2.31 LINK SG CYS A 45 FE3 SF4 A 107 1555 1555 2.29 LINK SG CYS A 49 FE4 F3S A 108 1555 1555 2.27 SITE 1 AC1 11 PHE A 2 CYS A 20 VAL A 22 CYS A 24 SITE 2 AC1 11 PHE A 25 ILE A 34 CYS A 39 ILE A 40 SITE 3 AC1 11 CYS A 42 ALA A 43 CYS A 45 SITE 1 AC2 9 CYS A 8 LYS A 12 TYR A 13 THR A 14 SITE 2 AC2 9 GLU A 15 CYS A 16 LEU A 32 CYS A 49 SITE 3 AC2 9 PRO A 50 CRYST1 55.370 55.370 92.535 90.00 90.00 90.00 P 41 21 2 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 0.018060 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018060 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010807 0.00000