HEADER ELECTRON TRANSPORT 04-MAR-02 1IUE TITLE CRYSTAL STRUCTURE ANALYSIS OF FERREDOXIN FROM PLASMODIUM FALCIPARUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERREDOXIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 1-98; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PLASMODIUM FALCIPARUM; SOURCE 3 ORGANISM_TAXID: 36329; SOURCE 4 STRAIN: 3D7; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM105; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTRC99A KEYWDS ELECTRON TRANSPORT, IRON-SULFUR EXPDTA X-RAY DIFFRACTION AUTHOR Y.KIMATA-ARIGA,G.KURISU,T.HASE REVDAT 5 27-DEC-23 1IUE 1 REMARK SEQADV LINK REVDAT 4 04-OCT-17 1IUE 1 REMARK REVDAT 3 13-JUL-11 1IUE 1 VERSN REVDAT 2 24-FEB-09 1IUE 1 VERSN REVDAT 1 30-SEP-03 1IUE 0 JRNL AUTH Y.KIMATA-ARIGA,G.KURISU,T.HASE JRNL TITL REDOX POWER GENERATOR OF A NONPHOTOSYNTHETIC PLASTID IN JRNL TITL 2 MALARIA PARASITE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.36 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 950538.390 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 24864 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) : 0.184 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1247 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3677 REMARK 3 BIN R VALUE (WORKING SET) : 0.2430 REMARK 3 BIN FREE R VALUE : 0.2780 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 174 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1568 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 496 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 11.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.50000 REMARK 3 B22 (A**2) : 0.40000 REMARK 3 B33 (A**2) : -1.89000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.33000 REMARK 3 B23 (A**2) : 0.00000 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) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.12 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.730 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 33.52 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : FES.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : FES.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1IUE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-MAR-02. REMARK 100 THE DEPOSITION ID IS D_1000005286. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-SEP-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRROR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 47.360 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 3.480 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.8000 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) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.18700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.71 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, SODIUM ACETATE TRIHYDRATE, REMARK 280 CACODYLATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 25.28650 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 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 SER A 38 -73.82 -150.59 REMARK 500 ARG A 40 18.27 59.67 REMARK 500 SER A 62 -10.23 -145.35 REMARK 500 ASP A 97 38.92 -97.10 REMARK 500 SER B 38 -73.15 -148.64 REMARK 500 SER B 62 -8.42 -147.12 REMARK 500 SER B 83 174.47 176.11 REMARK 500 ASP B 97 -68.02 -92.69 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 FES A1099 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 39 SG REMARK 620 2 FES A1099 S1 102.0 REMARK 620 3 FES A1099 S2 118.2 104.6 REMARK 620 4 CYS A 44 SG 100.8 120.0 111.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FES A1099 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 47 SG REMARK 620 2 FES A1099 S1 115.9 REMARK 620 3 FES A1099 S2 113.1 104.9 REMARK 620 4 CYS A 77 SG 107.8 98.2 116.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FES B1100 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 39 SG REMARK 620 2 FES B1100 S1 102.1 REMARK 620 3 FES B1100 S2 116.3 104.6 REMARK 620 4 CYS B 44 SG 102.1 120.0 111.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FES B1100 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 47 SG REMARK 620 2 FES B1100 S1 115.8 REMARK 620 3 FES B1100 S2 112.8 105.3 REMARK 620 4 CYS B 77 SG 107.4 100.2 114.9 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 NA A 1501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 1502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FES A 1099 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FES B 1100 DBREF 1IUE A 2 98 UNP Q8IED5 Q8IED5_PLAF7 98 194 DBREF 1IUE B 2 98 UNP Q8IED5 Q8IED5_PLAF7 98 194 SEQADV 1IUE ALA A 1 UNP Q8IED5 CLONING ARTIFACT SEQADV 1IUE ALA B 1 UNP Q8IED5 CLONING ARTIFACT SEQRES 1 A 98 ALA PHE TYR ASN ILE THR LEU ARG THR ASN ASP GLY GLU SEQRES 2 A 98 LYS LYS ILE GLU CYS ASN GLU ASP GLU TYR ILE LEU ASP SEQRES 3 A 98 ALA SER GLU ARG GLN ASN VAL GLU LEU PRO TYR SER CYS SEQRES 4 A 98 ARG GLY GLY SER CYS SER THR CYS ALA ALA LYS LEU VAL SEQRES 5 A 98 GLU GLY GLU VAL ASP ASN ASP ASP GLN SER TYR LEU ASP SEQRES 6 A 98 GLU GLU GLN ILE LYS LYS LYS TYR ILE LEU LEU CYS THR SEQRES 7 A 98 CYS TYR PRO LYS SER ASP CYS VAL ILE GLU THR HIS LYS SEQRES 8 A 98 GLU ASP GLU LEU HIS ASP MET SEQRES 1 B 98 ALA PHE TYR ASN ILE THR LEU ARG THR ASN ASP GLY GLU SEQRES 2 B 98 LYS LYS ILE GLU CYS ASN GLU ASP GLU TYR ILE LEU ASP SEQRES 3 B 98 ALA SER GLU ARG GLN ASN VAL GLU LEU PRO TYR SER CYS SEQRES 4 B 98 ARG GLY GLY SER CYS SER THR CYS ALA ALA LYS LEU VAL SEQRES 5 B 98 GLU GLY GLU VAL ASP ASN ASP ASP GLN SER TYR LEU ASP SEQRES 6 B 98 GLU GLU GLN ILE LYS LYS LYS TYR ILE LEU LEU CYS THR SEQRES 7 B 98 CYS TYR PRO LYS SER ASP CYS VAL ILE GLU THR HIS LYS SEQRES 8 B 98 GLU ASP GLU LEU HIS ASP MET HET NA A1501 1 HET NA A1502 1 HET FES A1099 4 HET FES B1100 4 HETNAM NA SODIUM ION HETNAM FES FE2/S2 (INORGANIC) CLUSTER FORMUL 3 NA 2(NA 1+) FORMUL 5 FES 2(FE2 S2) FORMUL 7 HOH *496(H2 O) HELIX 1 1 TYR A 23 GLN A 31 1 9 HELIX 2 2 ASP A 65 LYS A 71 1 7 HELIX 3 3 CYS A 77 CYS A 79 5 3 HELIX 4 4 LYS A 91 ASP A 97 1 7 HELIX 5 5 TYR B 23 GLN B 31 1 9 HELIX 6 6 ASP B 65 LYS B 71 1 7 HELIX 7 7 CYS B 77 CYS B 79 5 3 HELIX 8 8 LYS B 91 MET B 98 1 8 SHEET 1 A 5 GLY A 12 ASN A 19 0 SHEET 2 A 5 PHE A 2 THR A 9 -1 N ILE A 5 O ILE A 16 SHEET 3 A 5 CYS A 85 GLU A 88 1 O CYS A 85 N THR A 6 SHEET 4 A 5 ALA A 48 GLU A 53 -1 N LYS A 50 O GLU A 88 SHEET 5 A 5 TYR A 73 LEU A 75 -1 O ILE A 74 N ALA A 49 SHEET 1 B 2 VAL A 56 ASP A 57 0 SHEET 2 B 2 TYR A 80 PRO A 81 -1 O TYR A 80 N ASP A 57 SHEET 1 C 5 GLY B 12 ASN B 19 0 SHEET 2 C 5 PHE B 2 THR B 9 -1 N LEU B 7 O LYS B 14 SHEET 3 C 5 CYS B 85 GLU B 88 1 O CYS B 85 N THR B 6 SHEET 4 C 5 ALA B 48 GLU B 53 -1 N LYS B 50 O GLU B 88 SHEET 5 C 5 TYR B 73 LEU B 75 -1 O ILE B 74 N ALA B 49 SHEET 1 D 2 VAL B 56 ASP B 57 0 SHEET 2 D 2 TYR B 80 PRO B 81 -1 O TYR B 80 N ASP B 57 LINK SG CYS A 39 FE2 FES A1099 1555 1555 2.39 LINK SG CYS A 44 FE2 FES A1099 1555 1555 2.32 LINK SG CYS A 47 FE1 FES A1099 1555 1555 2.33 LINK SG CYS A 77 FE1 FES A1099 1555 1555 2.39 LINK NA NA A1501 O HOH B1133 1555 1555 2.18 LINK NA NA A1502 O HOH A1521 1555 1555 2.25 LINK SG CYS B 39 FE2 FES B1100 1555 1555 2.39 LINK SG CYS B 44 FE2 FES B1100 1555 1555 2.30 LINK SG CYS B 47 FE1 FES B1100 1555 1555 2.34 LINK SG CYS B 77 FE1 FES B1100 1555 1555 2.38 SITE 1 AC1 2 HIS A 96 HOH B1133 SITE 1 AC2 1 HOH A1521 SITE 1 AC3 9 SER A 38 CYS A 39 ARG A 40 GLY A 42 SITE 2 AC3 9 SER A 43 CYS A 44 CYS A 47 LEU A 75 SITE 3 AC3 9 CYS A 77 SITE 1 AC4 9 SER B 38 CYS B 39 ARG B 40 GLY B 42 SITE 2 AC4 9 SER B 43 CYS B 44 CYS B 47 LEU B 75 SITE 3 AC4 9 CYS B 77 CRYST1 49.000 50.573 52.480 90.00 115.53 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 0.020408 0.000000 0.009747 0.00000 SCALE2 0.000000 0.019773 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021117 0.00000