HEADER ELECTRON TRANSPORT 28-APR-20 7BZK TITLE CRYSTAL STRUCTURE OF FERREDOXIN: THIOREDOXIN REDUCTASE AND THIOREDOXIN TITLE 2 Y1 COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERREDOXIN-THIOREDOXIN REDUCTASE CATALYTIC CHAIN, COMPND 3 CHLOROPLASTIC; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: FTR-C,FERREDOXIN-THIOREDOXIN REDUCTASE SUBUNIT B,FTR-B; COMPND 6 EC: 1.8.7.2; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: THIOREDOXIN Y1, CHLOROPLASTIC; COMPND 10 CHAIN: B; COMPND 11 SYNONYM: ATTRXY1; COMPND 12 ENGINEERED: YES; COMPND 13 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 3 ORGANISM_COMMON: MOUSE-EAR CRESS; SOURCE 4 ORGANISM_TAXID: 3702; SOURCE 5 CELL: CHLOROPLAST; SOURCE 6 GENE: FTRC; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PETDUET1; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 13 ORGANISM_COMMON: MOUSE-EAR CRESS; SOURCE 14 ORGANISM_TAXID: 3702; SOURCE 15 CELL: CHLOROPLAST; SOURCE 16 GENE: AT1G76760, F28O16.13; SOURCE 17 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 18 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 19 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PET23 KEYWDS FTR, TRX Y1, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR G.KURISU,L.JUNIAR,H.TANAKA REVDAT 3 29-NOV-23 7BZK 1 REMARK REVDAT 2 02-DEC-20 7BZK 1 JRNL REVDAT 1 14-OCT-20 7BZK 0 JRNL AUTH L.JUNIAR,H.TANAKA,K.YOSHIDA,T.HISABORI,G.KURISU JRNL TITL STRUCTURAL BASIS FOR THIOREDOXIN ISOFORM-BASED FINE-TUNING JRNL TITL 2 OF FERREDOXIN-THIOREDOXIN REDUCTASE ACTIVITY. JRNL REF PROTEIN SCI. V. 29 2538 2020 JRNL REFN ESSN 1469-896X JRNL PMID 33015914 JRNL DOI 10.1002/PRO.3964 REMARK 2 REMARK 2 RESOLUTION. 1.59 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14_3260 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.59 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.08 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 27925 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.171 REMARK 3 R VALUE (WORKING SET) : 0.170 REMARK 3 FREE R VALUE : 0.193 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1397 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 43.0845 - 3.4327 1.00 2813 149 0.1583 0.1571 REMARK 3 2 3.4327 - 2.7247 1.00 2707 142 0.1763 0.1970 REMARK 3 3 2.7247 - 2.3803 1.00 2665 140 0.1720 0.2076 REMARK 3 4 2.3803 - 2.1627 1.00 2643 139 0.1657 0.2002 REMARK 3 5 2.1627 - 2.0077 1.00 2654 140 0.1584 0.1892 REMARK 3 6 2.0077 - 1.8893 1.00 2627 138 0.1641 0.1996 REMARK 3 7 1.8893 - 1.7947 1.00 2597 137 0.1687 0.2002 REMARK 3 8 1.7947 - 1.7166 1.00 2645 139 0.1752 0.2105 REMARK 3 9 1.7166 - 1.6505 1.00 2592 137 0.1971 0.2644 REMARK 3 10 1.6505 - 1.5935 0.99 2585 136 0.2358 0.2671 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.540 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.87 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.45 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7BZK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-APR-20. REMARK 100 THE DEPOSITION ID IS D_1300016783. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-FEB-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 3.5-7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL44XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27925 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.594 REMARK 200 RESOLUTION RANGE LOW (A) : 43.085 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.11970 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.59 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 0.76060 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: PHASER REMARK 200 STARTING MODEL: 2PU9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MAGNESIUM CITRIC ACID PH 3.5 5% REMARK 280 2-PROPANOL 5-9% PEG 3,350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 27.49250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.52800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.38100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.52800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.49250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.38100 REMARK 290 SMTRY3 4 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1980 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10440 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -35.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ALA A 1 REMARK 465 LYS A 2 REMARK 465 THR A 3 REMARK 465 ILE B 1 REMARK 465 GLU B 2 REMARK 465 ALA B 3 REMARK 465 LYS B 4 REMARK 465 LYS B 5 REMARK 465 VAL B 108 REMARK 465 LYS B 109 REMARK 465 PRO B 110 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 CYS A 56 48.83 -104.69 REMARK 500 ARG A 81 20.52 -145.34 REMARK 500 ARG A 81 11.80 -141.22 REMARK 500 GLU B 72 -95.38 -119.84 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 SF4 A 201 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 54 SG REMARK 620 2 SF4 A 201 S1 104.6 REMARK 620 3 SF4 A 201 S2 142.3 104.0 REMARK 620 4 SF4 A 201 S3 99.5 103.9 97.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 201 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 73 SG REMARK 620 2 SF4 A 201 S2 119.4 REMARK 620 3 SF4 A 201 S3 112.9 100.3 REMARK 620 4 SF4 A 201 S4 112.9 105.0 104.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 201 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 75 SG REMARK 620 2 SF4 A 201 S1 112.1 REMARK 620 3 SF4 A 201 S3 114.5 105.3 REMARK 620 4 SF4 A 201 S4 113.4 107.0 103.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 201 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 84 SG REMARK 620 2 SF4 A 201 S1 107.9 REMARK 620 3 SF4 A 201 S2 114.9 104.9 REMARK 620 4 SF4 A 201 S4 117.3 106.2 104.7 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 201 DBREF 7BZK A 1 115 UNP Q9SJ89 FTRC_ARATH 32 146 DBREF 7BZK B 1 110 UNP Q6NPF9 TRXY1_ARATH 63 172 SEQADV 7BZK SER B 34 UNP Q6NPF9 CYS 96 ENGINEERED MUTATION SEQRES 1 A 115 ALA LYS THR GLU PRO SER GLU LYS SER VAL GLU ILE MET SEQRES 2 A 115 ARG LYS PHE SER GLU GLN TYR ALA ARG ARG SER GLY THR SEQRES 3 A 115 TYR PHE CYS VAL ASP LYS GLY VAL THR SER VAL VAL ILE SEQRES 4 A 115 LYS GLY LEU ALA GLU HIS LYS ASP SER TYR GLY ALA PRO SEQRES 5 A 115 LEU CYS PRO CYS ARG HIS TYR ASP ASP LYS ALA ALA GLU SEQRES 6 A 115 VAL GLY GLN GLY PHE TRP ASN CYS PRO CYS VAL PRO MET SEQRES 7 A 115 ARG GLU ARG LYS GLU CYS HIS CYS MET LEU PHE LEU THR SEQRES 8 A 115 PRO ASP ASN ASP PHE ALA GLY LYS ASP GLN THR ILE THR SEQRES 9 A 115 SER ASP GLU ILE LYS GLU THR THR ALA ASN MET SEQRES 1 B 110 ILE GLU ALA LYS LYS GLN THR PHE ASP SER PHE GLU ASP SEQRES 2 B 110 LEU LEU VAL ASN SER ASP LYS PRO VAL LEU VAL ASP TYR SEQRES 3 B 110 TYR ALA THR TRP CYS GLY PRO SER GLN PHE MET VAL PRO SEQRES 4 B 110 ILE LEU ASN GLU VAL SER GLU THR LEU LYS ASP LYS ILE SEQRES 5 B 110 GLN VAL VAL LYS ILE ASP THR GLU LYS TYR PRO SER ILE SEQRES 6 B 110 ALA ASN LYS TYR LYS ILE GLU ALA LEU PRO THR PHE ILE SEQRES 7 B 110 LEU PHE LYS ASP GLY GLU PRO CYS ASP ARG PHE GLU GLY SEQRES 8 B 110 ALA LEU THR ALA LYS GLN LEU ILE GLN ARG ILE GLU ASP SEQRES 9 B 110 SER LEU LYS VAL LYS PRO HET SF4 A 201 8 HETNAM SF4 IRON/SULFUR CLUSTER FORMUL 3 SF4 FE4 S4 FORMUL 4 HOH *108(H2 O) HELIX 1 AA1 SER A 6 GLY A 25 1 20 HELIX 2 AA2 ASP A 31 GLY A 50 1 20 HELIX 3 AA3 ASP A 61 GLY A 69 1 9 HELIX 4 AA4 CYS A 75 LYS A 82 1 8 HELIX 5 AA5 THR A 104 THR A 112 1 9 HELIX 6 AA6 THR B 7 SER B 18 1 12 HELIX 7 AA7 CYS B 31 LEU B 48 1 18 HELIX 8 AA8 TYR B 62 TYR B 69 1 8 HELIX 9 AA9 THR B 94 LYS B 107 1 14 SHEET 1 AA1 4 GLN B 53 ASP B 58 0 SHEET 2 AA1 4 VAL B 22 TYR B 27 1 N ASP B 25 O ILE B 57 SHEET 3 AA1 4 THR B 76 LYS B 81 -1 O THR B 76 N TYR B 26 SHEET 4 AA1 4 GLU B 84 GLU B 90 -1 O CYS B 86 N LEU B 79 SSBOND 1 CYS A 56 CYS B 31 1555 1555 2.40 LINK SG CYS A 54 FE4 SF4 A 201 1555 1555 2.35 LINK SG CYS A 73 FE1 SF4 A 201 1555 1555 2.31 LINK SG CYS A 75 FE2 SF4 A 201 1555 1555 2.32 LINK SG CYS A 84 FE3 SF4 A 201 1555 1555 2.31 CISPEP 1 CYS A 73 PRO A 74 0 -5.73 CISPEP 2 LEU B 74 PRO B 75 0 -6.59 SITE 1 AC1 7 CYS A 54 CYS A 73 CYS A 75 MET A 78 SITE 2 AC1 7 CYS A 84 HIS A 85 CYS A 86 CRYST1 54.985 60.762 61.056 90.00 90.00 90.00 P 21 21 21 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 0.018187 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016458 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016378 0.00000