HEADER TRANSCRIPTION 09-MAY-07 2PUY TITLE CRYSTAL STRUCTURE OF THE BHC80 PHD FINGER COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHD FINGER PROTEIN 21A; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: PHD FINGER RESIDUES: 486-543; COMPND 5 SYNONYM: BRAF35-HDAC COMPLEX PROTEIN BHC80, BHC80A; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: HISTONE H3; COMPND 9 CHAIN: E; COMPND 10 FRAGMENT: H3 1-10; COMPND 11 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: PHF21A, BHC80, KIAA1696; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28B; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: SYNTHESIZED PEPTIDE KEYWDS PHD FINGER, HISTONE CODE, BRAF-HDAC COMPLEX, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR J.R.HORTON,X.CHENG,R.E.COLLINS REVDAT 4 21-FEB-24 2PUY 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 2PUY 1 VERSN REVDAT 2 20-NOV-07 2PUY 1 JRNL REVDAT 1 14-AUG-07 2PUY 0 JRNL AUTH F.LAN,R.E.COLLINS,R.DE CEGLI,R.ALPATOV,J.R.HORTON,X.SHI, JRNL AUTH 2 O.GOZANI,X.CHENG,Y.SHI JRNL TITL RECOGNITION OF UNMETHYLATED HISTONE H3 LYSINE 4 LINKS BHC80 JRNL TITL 2 TO LSD1-MEDIATED GENE REPRESSION. JRNL REF NATURE V. 448 718 2007 JRNL REFN ISSN 0028-0836 JRNL PMID 17687328 JRNL DOI 10.1038/NATURE06034 REMARK 2 REMARK 2 RESOLUTION. 1.43 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.43 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : -3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 23287 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) : 0.206 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1114 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) : 1.43 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.47 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1890 REMARK 3 BIN FREE R VALUE : 0.2080 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 98 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 : 1018 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 88 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.84000 REMARK 3 B22 (A**2) : -0.15000 REMARK 3 B33 (A**2) : -0.69000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.41000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.16 REMARK 3 ESD FROM SIGMAA (A) : -0.0 REMARK 3 LOW RESOLUTION CUTOFF (A) : 40.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.18 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.900 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 2PUY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-MAY-07. REMARK 100 THE DEPOSITION ID IS D_1000042800. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-FEB-06 REMARK 200 TEMPERATURE (KELVIN) : 173 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97917, 1.28295, 1.28341 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23287 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.430 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.08900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.43 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.47 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.20 REMARK 200 R MERGE FOR SHELL (I) : 0.23700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.18 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% ISOPROPANOL, 5-10% POLYETHYLENE REMARK 280 GLYCOL 4000, 100MM MES 6.2-6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 289K, PH 6.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 39.75550 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 12.69300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 39.75550 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 12.69300 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, E 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH B 43 LIES ON A SPECIAL POSITION. 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 HIS A 484 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 541 CG CD OE1 OE2 REMARK 470 ILE A 543 CG1 CG2 CD1 REMARK 470 GLU B 541 CG CD OE1 OE2 REMARK 470 ILE B 543 CG1 CG2 CD1 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 355 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 491 SG REMARK 620 2 CYS A 494 SG 113.1 REMARK 620 3 HIS A 511 ND1 101.5 95.4 REMARK 620 4 CYS A 514 SG 115.0 114.5 115.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 356 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 503 SG REMARK 620 2 CYS A 506 SG 112.1 REMARK 620 3 CYS A 529 SG 107.9 108.0 REMARK 620 4 CYS A 532 SG 110.9 103.7 114.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 357 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 491 SG REMARK 620 2 CYS B 494 SG 111.0 REMARK 620 3 HIS B 511 ND1 102.9 94.2 REMARK 620 4 CYS B 514 SG 112.4 118.5 115.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 358 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 503 SG REMARK 620 2 CYS B 506 SG 113.5 REMARK 620 3 CYS B 529 SG 106.0 108.6 REMARK 620 4 CYS B 532 SG 111.3 103.2 114.5 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 355 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 356 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 357 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 358 DBREF 2PUY A 486 543 UNP Q96BD5 PF21A_HUMAN 486 543 DBREF 2PUY B 486 543 UNP Q96BD5 PF21A_HUMAN 486 543 DBREF 2PUY E 1 10 UNP P61836 H3_ZYGBA 2 11 SEQADV 2PUY HIS A 484 UNP Q96BD5 EXPRESSION TAG SEQADV 2PUY MET A 485 UNP Q96BD5 EXPRESSION TAG SEQADV 2PUY HIS B 484 UNP Q96BD5 EXPRESSION TAG SEQADV 2PUY MET B 485 UNP Q96BD5 EXPRESSION TAG SEQRES 1 A 60 HIS MET ILE HIS GLU ASP PHE CYS SER VAL CYS ARG LYS SEQRES 2 A 60 SER GLY GLN LEU LEU MET CYS ASP THR CYS SER ARG VAL SEQRES 3 A 60 TYR HIS LEU ASP CYS LEU ASP PRO PRO LEU LYS THR ILE SEQRES 4 A 60 PRO LYS GLY MET TRP ILE CYS PRO ARG CYS GLN ASP GLN SEQRES 5 A 60 MET LEU LYS LYS GLU GLU ALA ILE SEQRES 1 B 60 HIS MET ILE HIS GLU ASP PHE CYS SER VAL CYS ARG LYS SEQRES 2 B 60 SER GLY GLN LEU LEU MET CYS ASP THR CYS SER ARG VAL SEQRES 3 B 60 TYR HIS LEU ASP CYS LEU ASP PRO PRO LEU LYS THR ILE SEQRES 4 B 60 PRO LYS GLY MET TRP ILE CYS PRO ARG CYS GLN ASP GLN SEQRES 5 B 60 MET LEU LYS LYS GLU GLU ALA ILE SEQRES 1 E 10 ALA ARG THR LYS GLN THR ALA ARG LYS SER HET ZN A 355 1 HET ZN A 356 1 HET ZN B 357 1 HET ZN B 358 1 HETNAM ZN ZINC ION FORMUL 4 ZN 4(ZN 2+) FORMUL 8 HOH *88(H2 O) HELIX 1 1 HIS A 511 LEU A 515 5 5 HELIX 2 2 CYS A 529 LYS A 539 1 11 HELIX 3 3 HIS B 511 LEU B 515 5 5 HELIX 4 4 CYS B 529 ILE B 543 1 15 SHEET 1 A 2 LEU A 501 MET A 502 0 SHEET 2 A 2 VAL A 509 TYR A 510 -1 O TYR A 510 N LEU A 501 SHEET 1 B 3 VAL B 509 TYR B 510 0 SHEET 2 B 3 GLY B 498 MET B 502 -1 N LEU B 501 O TYR B 510 SHEET 3 B 3 THR E 3 THR E 6 -1 O LYS E 4 N LEU B 500 LINK ZN ZN A 355 SG CYS A 491 1555 1555 2.38 LINK ZN ZN A 355 SG CYS A 494 1555 1555 2.30 LINK ZN ZN A 355 ND1 HIS A 511 1555 1555 2.12 LINK ZN ZN A 355 SG CYS A 514 1555 1555 2.26 LINK ZN ZN A 356 SG CYS A 503 1555 1555 2.31 LINK ZN ZN A 356 SG CYS A 506 1555 1555 2.36 LINK ZN ZN A 356 SG CYS A 529 1555 1555 2.41 LINK ZN ZN A 356 SG CYS A 532 1555 1555 2.27 LINK ZN ZN B 357 SG CYS B 491 1555 1555 2.29 LINK ZN ZN B 357 SG CYS B 494 1555 1555 2.31 LINK ZN ZN B 357 ND1 HIS B 511 1555 1555 2.11 LINK ZN ZN B 357 SG CYS B 514 1555 1555 2.30 LINK ZN ZN B 358 SG CYS B 503 1555 1555 2.33 LINK ZN ZN B 358 SG CYS B 506 1555 1555 2.33 LINK ZN ZN B 358 SG CYS B 529 1555 1555 2.36 LINK ZN ZN B 358 SG CYS B 532 1555 1555 2.32 CISPEP 1 ASP A 516 PRO A 517 0 0.20 CISPEP 2 ASP B 516 PRO B 517 0 -0.19 SITE 1 AC1 4 CYS A 491 CYS A 494 HIS A 511 CYS A 514 SITE 1 AC2 4 CYS A 503 CYS A 506 CYS A 529 CYS A 532 SITE 1 AC3 4 CYS B 491 CYS B 494 HIS B 511 CYS B 514 SITE 1 AC4 4 CYS B 503 CYS B 506 CYS B 529 CYS B 532 CRYST1 79.511 25.386 62.282 90.00 96.93 90.00 C 1 2 1 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 0.012577 0.000000 0.001529 0.00000 SCALE2 0.000000 0.039392 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016174 0.00000