HEADER ELECTRON TRANSPORT 18-MAY-04 1T9O TITLE CRYSTAL STRUCTURE OF V44G CP RUBREDOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: RUBREDOXIN; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: RD; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM PASTEURIANUM; SOURCE 3 ORGANISM_TAXID: 1501; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS RUBREDOXIN, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR I.Y.PARK,M.K.EIDSNESS,I.J.LIN,E.B.GEBEL,B.YOUN,J.L.HARLEY, AUTHOR 2 T.E.MACHONKIN,R.O.FREDERICK,J.L.MARKLEY,E.T.SMITH,T.ICHIYE,C.KANG REVDAT 4 14-FEB-24 1T9O 1 REMARK REVDAT 3 27-OCT-21 1T9O 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1T9O 1 VERSN REVDAT 1 05-OCT-04 1T9O 0 JRNL AUTH I.Y.PARK,M.K.EIDSNESS,I.J.LIN,E.B.GEBEL,B.YOUN,J.L.HARLEY, JRNL AUTH 2 T.E.MACHONKIN,R.O.FREDERICK,J.L.MARKLEY,E.T.SMITH,T.ICHIYE, JRNL AUTH 3 C.KANG JRNL TITL CRYSTALLOGRAPHIC STUDIES OF V44 MUTANTS OF CLOSTRIDIUM JRNL TITL 2 PASTEURIANUM RUBREDOXIN: EFFECTS OF SIDE-CHAIN SIZE ON JRNL TITL 3 REDUCTION POTENTIAL. JRNL REF PROTEINS V. 57 618 2004 JRNL REFN ISSN 0887-3585 JRNL PMID 15382226 JRNL DOI 10.1002/PROT.20243 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 9813 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) : 0.173 REMARK 3 FREE R VALUE : 0.183 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 490 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 : 1227 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 157 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) : NULL 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 1T9O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-MAY-04. REMARK 100 THE DEPOSITION ID IS D_1000022486. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-AUG-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR (MSC/RIGAKU) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9813 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.414 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.4 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) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.5 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: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, ACETATE, PH 5.0, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 279K 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 28.83500 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, 3 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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 GLU A 254 REMARK 465 GLU B 154 REMARK 465 GLU C 54 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 TRP A 237 CD1 - CG - CD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 TRP A 237 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 TRP B 137 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP B 137 CE2 - CD2 - CG ANGL. DEV. = -6.1 DEGREES REMARK 500 TRP C 37 CD1 - CG - CD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 TRP C 37 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES 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 FE A 255 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 206 SG REMARK 620 2 CYS A 209 SG 115.4 REMARK 620 3 CYS A 239 SG 113.3 98.2 REMARK 620 4 CYS A 242 SG 103.0 113.0 114.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE B 155 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 106 SG REMARK 620 2 CYS B 109 SG 112.5 REMARK 620 3 CYS B 139 SG 114.7 98.8 REMARK 620 4 CYS B 142 SG 100.8 117.4 113.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE C 55 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 6 SG REMARK 620 2 CYS C 9 SG 115.1 REMARK 620 3 CYS C 39 SG 110.5 105.9 REMARK 620 4 CYS C 42 SG 101.0 114.5 109.9 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 FE A 255 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B 155 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE C 55 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1T9P RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF V44AG45P CP RUBREDOXIN REMARK 900 RELATED ID: 1T9Q RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF V44L CP RUBREDOXIN DBREF 1T9O A 201 254 UNP P00268 RUBR_CLOPA 1 54 DBREF 1T9O B 101 154 UNP P00268 RUBR_CLOPA 1 54 DBREF 1T9O C 1 54 UNP P00268 RUBR_CLOPA 1 54 SEQADV 1T9O GLY A 244 UNP P00268 VAL 44 ENGINEERED MUTATION SEQADV 1T9O GLY B 144 UNP P00268 VAL 44 ENGINEERED MUTATION SEQADV 1T9O GLY C 44 UNP P00268 VAL 44 ENGINEERED MUTATION SEQRES 1 A 54 MET LYS LYS TYR THR CYS THR VAL CYS GLY TYR ILE TYR SEQRES 2 A 54 ASN PRO GLU ASP GLY ASP PRO ASP ASN GLY VAL ASN PRO SEQRES 3 A 54 GLY THR ASP PHE LYS ASP ILE PRO ASP ASP TRP VAL CYS SEQRES 4 A 54 PRO LEU CYS GLY GLY GLY LYS ASP GLN PHE GLU GLU VAL SEQRES 5 A 54 GLU GLU SEQRES 1 B 54 MET LYS LYS TYR THR CYS THR VAL CYS GLY TYR ILE TYR SEQRES 2 B 54 ASN PRO GLU ASP GLY ASP PRO ASP ASN GLY VAL ASN PRO SEQRES 3 B 54 GLY THR ASP PHE LYS ASP ILE PRO ASP ASP TRP VAL CYS SEQRES 4 B 54 PRO LEU CYS GLY GLY GLY LYS ASP GLN PHE GLU GLU VAL SEQRES 5 B 54 GLU GLU SEQRES 1 C 54 MET LYS LYS TYR THR CYS THR VAL CYS GLY TYR ILE TYR SEQRES 2 C 54 ASN PRO GLU ASP GLY ASP PRO ASP ASN GLY VAL ASN PRO SEQRES 3 C 54 GLY THR ASP PHE LYS ASP ILE PRO ASP ASP TRP VAL CYS SEQRES 4 C 54 PRO LEU CYS GLY GLY GLY LYS ASP GLN PHE GLU GLU VAL SEQRES 5 C 54 GLU GLU HET FE A 255 1 HET FE B 155 1 HET FE C 55 1 HETNAM FE FE (III) ION FORMUL 4 FE 3(FE 3+) FORMUL 7 HOH *157(H2 O) HELIX 1 1 ASP A 219 GLY A 223 5 5 HELIX 2 2 ASP A 229 ILE A 233 5 5 HELIX 3 3 GLY A 245 ASP A 247 5 3 HELIX 4 4 ASP B 119 GLY B 123 5 5 HELIX 5 5 ASP B 129 ILE B 133 5 5 HELIX 6 6 GLY B 145 ASP B 147 5 3 HELIX 7 7 ASP C 19 GLY C 23 5 5 HELIX 8 8 ASP C 29 ILE C 33 5 5 HELIX 9 9 GLY C 45 ASP C 47 5 3 SHEET 1 A 3 ILE A 212 TYR A 213 0 SHEET 2 A 3 TYR A 204 CYS A 206 -1 N TYR A 204 O TYR A 213 SHEET 3 A 3 PHE A 249 GLU A 251 -1 O GLU A 250 N THR A 205 SHEET 1 B 3 ILE B 112 TYR B 113 0 SHEET 2 B 3 TYR B 104 CYS B 106 -1 N TYR B 104 O TYR B 113 SHEET 3 B 3 PHE B 149 GLU B 151 -1 O GLU B 150 N THR B 105 SHEET 1 C 3 ILE C 12 TYR C 13 0 SHEET 2 C 3 TYR C 4 CYS C 6 -1 N TYR C 4 O TYR C 13 SHEET 3 C 3 PHE C 49 GLU C 51 -1 O GLU C 50 N THR C 5 LINK SG CYS A 206 FE FE A 255 1555 1555 2.35 LINK SG CYS A 209 FE FE A 255 1555 1555 2.32 LINK SG CYS A 239 FE FE A 255 1555 1555 2.33 LINK SG CYS A 242 FE FE A 255 1555 1555 2.10 LINK SG CYS B 106 FE FE B 155 1555 1555 2.32 LINK SG CYS B 109 FE FE B 155 1555 1555 2.34 LINK SG CYS B 139 FE FE B 155 1555 1555 2.24 LINK SG CYS B 142 FE FE B 155 1555 1555 2.28 LINK SG CYS C 6 FE FE C 55 1555 1555 2.37 LINK SG CYS C 9 FE FE C 55 1555 1555 2.30 LINK SG CYS C 39 FE FE C 55 1555 1555 2.35 LINK SG CYS C 42 FE FE C 55 1555 1555 2.26 SITE 1 AC1 4 CYS A 206 CYS A 209 CYS A 239 CYS A 242 SITE 1 AC2 4 CYS B 106 CYS B 109 CYS B 139 CYS B 142 SITE 1 AC3 4 CYS C 6 CYS C 9 CYS C 39 CYS C 42 CRYST1 38.450 57.670 38.630 90.00 112.85 90.00 P 1 21 1 6 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 0.026008 0.000000 0.010959 0.00000 SCALE2 0.000000 0.017340 0.000000 0.00000 SCALE3 0.000000 0.000000 0.028091 0.00000