PDB Short entry for 4L7X HEADER CELL CYCLE, GENE REGULATION 14-JUN-13 4L7X TITLE CRYSTAL STRUCTURE OF THE DIDO PHD FINGER IN COMPLEX WITH H3K4ME3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: DEATH-INDUCER OBLITERATOR 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PHD-TYPE ZINC FINGER DOMAIN RESIDUES 266-325; COMPND 5 SYNONYM: DIO-1, HDIDO1, DEATH-ASSOCIATED TRANSCRIPTION FACTOR 1, COMPND 6 DATF-1; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: HISTONE H3 PEPTIDE; COMPND 10 CHAIN: U; COMPND 11 SYNONYM: H3K4ME3 PEPTIDE; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: DIDO1, C20ORF158, DATF1, KIAA0333; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 OTHER_DETAILS: PEPTIDE WAS SYNTHESIZED. KEYWDS MITOSIS, CHROMATIN, CELL CYCLE, GENE REGULATION EXPDTA X-RAY DIFFRACTION AUTHOR Q.TONG,J.GATCHALIAN,T.G.KUTATELADZE REVDAT 1 24-JUL-13 4L7X 0 JRNL AUTH J.GATCHALIAN,A.FUTTERER,S.B.ROTHBART,Q.TONG,H.RINCON-ARANO, JRNL AUTH 2 A.SANCHEZ DE DIEGO,M.GROUDINE,B.D.STRAHL,C.MARTINEZ-A, JRNL AUTH 3 K.H.VAN WELY,T.G.KUTATELADZE JRNL TITL DIDO3 PHD MODULATES CELL DIFFERENTIATION AND DIVISION. JRNL REF CELL REP V. 4 148 2013 JRNL REFN ESSN 2211-1247 JRNL PMID 23831028 JRNL DOI 10.1016/J.CELREP.2013.06.014 REMARK 2 REMARK 2 RESOLUTION. 1.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.1_1168) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.68 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 28593 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.133 REMARK 3 R VALUE (WORKING SET) : 0.132 REMARK 3 FREE R VALUE : 0.142 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 1425 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 28.6885 - 2.9076 1.00 2719 139 0.1504 0.1475 REMARK 3 2 2.9076 - 2.3082 1.00 2722 136 0.1480 0.1350 REMARK 3 3 2.3082 - 2.0165 1.00 2731 136 0.1190 0.1307 REMARK 3 4 2.0165 - 1.8322 1.00 2734 128 0.1121 0.1411 REMARK 3 5 1.8322 - 1.7009 1.00 2693 143 0.1078 0.1239 REMARK 3 6 1.7009 - 1.6006 1.00 2700 170 0.1022 0.1193 REMARK 3 7 1.6006 - 1.5204 1.00 2696 149 0.1061 0.1586 REMARK 3 8 1.5204 - 1.4542 1.00 2704 162 0.1111 0.1658 REMARK 3 9 1.4542 - 1.3983 1.00 2758 116 0.1266 0.1682 REMARK 3 10 1.3983 - 1.3500 1.00 2711 146 0.1469 0.1811 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.070 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 12.820 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 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 : 0.007 528 REMARK 3 ANGLE : 1.169 713 REMARK 3 CHIRALITY : 0.076 72 REMARK 3 PLANARITY : 0.007 96 REMARK 3 DIHEDRAL : 15.320 201 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 4L7X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-13. REMARK 100 THE RCSB ID CODE IS RCSB080293. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-FEB-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : SI-111 DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28593 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 REMARK 200 RESOLUTION RANGE LOW (A) : 28.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.95 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH8, 30% PEG6000, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 40.31000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 20.41000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 20.41000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 20.15500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 20.41000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 20.41000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 60.46500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 20.41000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 20.41000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 20.15500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 20.41000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 20.41000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 60.46500 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 40.31000 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: 1240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 4300 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, U 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 ILE A 59 REMARK 465 LEU A 60 REMARK 465 GLN A 61 REMARK 465 VAL A 62 REMARK 465 GLN A 63 REMARK 465 ARG U 87 REMARK 465 LYS U 88 REMARK 465 SER U 89 REMARK 465 THR U 90 REMARK 465 GLY U 91 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLN A 13 CD OE1 REMARK 480 ARG A 25 CD NE NH1 NH2 REMARK 480 THR A 58 OG1 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 HOH A 262 O HOH A 263 1.82 REMARK 500 O HOH A 258 O HOH A 265 1.89 REMARK 500 O THR U 85 O HOH U 106 1.89 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 CYS A 9 -179.91 73.03 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 ZN A 102 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 31 ND1 REMARK 620 2 CYS A 9 SG 102.1 REMARK 620 3 CYS A 34 SG 116.0 110.8 REMARK 620 4 CYS A 11 SG 95.0 113.6 117.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 101 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 57 SG REMARK 620 2 CYS A 26 SG 107.4 REMARK 620 3 CYS A 23 SG 112.3 106.1 REMARK 620 4 CYS A 54 SG 106.3 114.3 110.4 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 ZN A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 102 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4L58 RELATED DB: PDB DBREF 4L7X A 4 63 UNP Q9BTC0 DIDO1_HUMAN 266 325 DBREF 4L7X U 80 91 PDB 4L7X 4L7X 80 91 SEQADV 4L7X GLY A 1 UNP Q9BTC0 EXPRESSION TAG SEQADV 4L7X PRO A 2 UNP Q9BTC0 EXPRESSION TAG SEQADV 4L7X LEU A 3 UNP Q9BTC0 EXPRESSION TAG SEQRES 1 A 63 GLY PRO LEU PRO ASN ALA LEU TYR CYS ILE CYS ARG GLN SEQRES 2 A 63 PRO HIS ASN ASN ARG PHE MET ILE CYS CYS ASP ARG CYS SEQRES 3 A 63 GLU GLU TRP PHE HIS GLY ASP CYS VAL GLY ILE SER GLU SEQRES 4 A 63 ALA ARG GLY ARG LEU LEU GLU ARG ASN GLY GLU ASP TYR SEQRES 5 A 63 ILE CYS PRO ASN CYS THR ILE LEU GLN VAL GLN SEQRES 1 U 12 ALA ARG THR M3L GLN THR ALA ARG LYS SER THR GLY MODRES 4L7X M3L U 83 LYS N-TRIMETHYLLYSINE HET M3L U 83 12 HET ZN A 101 1 HET ZN A 102 1 HETNAM M3L N-TRIMETHYLLYSINE HETNAM ZN ZINC ION FORMUL 2 M3L C9 H21 N2 O2 1+ FORMUL 3 ZN 2(ZN 2+) FORMUL 5 HOH *74(H2 O) HELIX 1 1 GLY A 32 GLY A 36 1 5 HELIX 2 2 SER A 38 GLY A 49 1 12 SHEET 1 A 3 TRP A 29 HIS A 31 0 SHEET 2 A 3 MET A 20 CYS A 22 -1 N ILE A 21 O PHE A 30 SHEET 3 A 3 THR U 82 M3L U 83 -1 O M3L U 83 N MET A 20 LINK C THR U 82 N M3L U 83 1555 1555 1.33 LINK C M3L U 83 N GLN U 84 1555 1555 1.33 LINK ND1 HIS A 31 ZN ZN A 102 1555 1555 2.19 LINK SG CYS A 9 ZN ZN A 102 1555 1555 2.30 LINK SG CYS A 34 ZN ZN A 102 1555 1555 2.30 LINK SG CYS A 57 ZN ZN A 101 1555 1555 2.33 LINK SG CYS A 11 ZN ZN A 102 1555 1555 2.33 LINK SG CYS A 26 ZN ZN A 101 1555 1555 2.34 LINK SG CYS A 23 ZN ZN A 101 1555 1555 2.35 LINK SG CYS A 54 ZN ZN A 101 1555 1555 2.36 SITE 1 AC1 4 CYS A 23 CYS A 26 CYS A 54 CYS A 57 SITE 1 AC2 4 CYS A 9 CYS A 11 HIS A 31 CYS A 34 CRYST1 40.820 40.820 80.620 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 0.024498 0.000000 0.000000 0.00000 SCALE2 0.000000 0.024498 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012404 0.00000