3C5K - Header Asymmetric Unit

HEADER HYDROLASE 31-JAN-08 3C5K

TITLE CRYSTAL STRUCTURE OF HUMAN HDAC6 ZINC FINGER DOMAIN

COMPND MOL_ID: 1; COMPND 2 MOLECULE: HISTONE DEACETYLASE 6; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1109-1215; COMPND 5 SYNONYM: HD6; COMPND 6 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: HDAC6; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 ROSETTA-R3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET15-MHL

KEYWDS HDAC6, ZINC FINGER, ACTIN-BINDING, CHROMATIN REGULATOR, KEYWDS 2 CYTOPLASM, HYDROLASE, METAL-BINDING, NUCLEUS, KEYWDS 3 PHOSPHOPROTEIN, REPRESSOR, TRANSCRIPTION, TRANSCRIPTION KEYWDS 4 REGULATION, UBL CONJUGATION, ZINC-FINGER, STRUCTURAL KEYWDS 5 GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC

EXPDTA X-RAY DIFFRACTION

AUTHOR A.DONG,M.RAVICHANDRAN,A.SCHUETZ,P.LOPPNAU,Y.LI,F.MACKENZIE, AUTHOR 2 I.KOZIERADZKI,A.M.EDWARDS,C.H.ARROWSMITH,J.WEIGELT, AUTHOR 3 C.BOUNTRA,A.BOCHKAREV,S.DHE-PAGANON,J.MIN,H.OUYANG, AUTHOR 4 STRUCTURAL GENOMICS CONSORTIUM (SGC)

REVDAT 2 24-FEB-09 3C5K 1 VERSN REVDAT 1 19-FEB-08 3C5K 0

JRNL AUTH A.DONG,M.RAVICHANDRAN,A.SCHUETZ,P.LOPPNAU,Y.LI, JRNL AUTH 2 F.MACKENZIE,I.KOZIERADZKI,A.M.EDWARDS, JRNL AUTH 3 C.H.ARROWSMITH,J.WEIGELT,C.BOUNTRA,A.BOCHKAREV, JRNL AUTH 4 S.DHE-PAGANON,J.MIN,H.OUYANG JRNL TITL CRYSTAL STRUCTURE OF HUMAN HDAC6 ZINC FINGER JRNL TITL 2 DOMAIN. JRNL REF TO BE PUBLISHED JRNL REFN

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.07 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 65.2 REMARK 3 NUMBER OF REFLECTIONS : 9546 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 + TEST SET) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.173 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 486 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.59 REMARK 3 REFLECTION IN BIN (WORKING SET) : 386 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 37.32 REMARK 3 BIN R VALUE (WORKING SET) : 0.1990 REMARK 3 BIN FREE R VALUE SET COUNT : 23 REMARK 3 BIN FREE R VALUE : 0.1860 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 840 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 156 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.93 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.01000 REMARK 3 B22 (A**2) : 1.68000 REMARK 3 B33 (A**2) : 0.33000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.134 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.133 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.054 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.422 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.956 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.938 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 872 ; 0.008 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1197 ; 1.151 ; 1.916 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 107 ; 6.122 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 39 ;35.236 ;24.103 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 117 ;11.759 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 1 ; 7.831 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 125 ; 0.099 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 690 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 407 ; 0.187 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 595 ; 0.302 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 96 ; 0.109 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.023 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 60 ; 0.159 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 20 ; 0.130 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 548 ; 0.604 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 872 ; 1.043 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 375 ; 1.500 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 325 ; 2.257 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE FRIEDEL PAIRS WERE USED IN REMARK 3 PHASING. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. REMARK 3 PROGRAMS ARP/WARP 6.1.1, COOT 0.3.3 HAVE ALSO BEEN USED IN REMARK 3 REFINEMENT

REMARK 4 REMARK 4 3C5K COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-FEB-08. REMARK 100 THE RCSB ID CODE IS RCSB046368.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-JAN-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.26000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : SI(111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15138 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 10.800 REMARK 200 R MERGE (I) : 0.07100 REMARK 200 R SYM (I) : 0.07100 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.61 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.5 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.20100 REMARK 200 R SYM FOR SHELL (I) : 0.20100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.840 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD 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 (%): 41.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3.5M NA FORMATE, 100MM BIS-TRIS REMARK 280 PROPANE PH 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 297K

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 20.25000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 27.87950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.55450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 27.87950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.25000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.55450 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 GLY A -1

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 ILE A 14 CD1 REMARK 470 GLN A 85 CD OE1 NE2 REMARK 470 GLU A 101 CD OE1 OE2

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 ASP A 27 -66.13 -91.42 REMARK 500 ILE A 49 -102.22 -92.71 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 203 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 5 SG REMARK 620 2 HIS A 7 ND1 109.3 REMARK 620 3 CYS A 75 SG 114.1 99.1 REMARK 620 4 CYS A 78 SG 114.5 103.7 114.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 202 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 25 SG REMARK 620 2 CYS A 28 SG 111.0 REMARK 620 3 CYS A 45 SG 114.6 114.1 REMARK 620 4 HIS A 52 ND1 104.2 110.8 101.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 37 SG REMARK 620 2 CYS A 40 SG 116.9 REMARK 620 3 HIS A 56 NE2 115.2 98.3 REMARK 620 4 HIS A 62 ND1 108.4 109.4 108.1 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 201 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 202 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 203

DBREF 3C5K A 1 107 UNP Q9UBN7 HDAC6_HUMAN 1109 1215

SEQADV 3C5K GLY A -1 UNP Q9UBN7 EXPRESSION TAG SEQADV 3C5K SER A 0 UNP Q9UBN7 EXPRESSION TAG

SEQRES 1 A 109 GLY SER PRO LEU PRO TRP CYS PRO HIS LEU VAL ALA VAL SEQRES 2 A 109 CYS PRO ILE PRO ALA ALA GLY LEU ASP VAL THR GLN PRO SEQRES 3 A 109 CYS GLY ASP CYS GLY THR ILE GLN GLU ASN TRP VAL CYS SEQRES 4 A 109 LEU SER CYS TYR GLN VAL TYR CYS GLY ARG TYR ILE ASN SEQRES 5 A 109 GLY HIS MET LEU GLN HIS HIS GLY ASN SER GLY HIS PRO SEQRES 6 A 109 LEU VAL LEU SER TYR ILE ASP LEU SER ALA TRP CYS TYR SEQRES 7 A 109 TYR CYS GLN ALA TYR VAL HIS HIS GLN ALA LEU LEU ASP SEQRES 8 A 109 VAL LYS ASN ILE ALA HIS GLN ASN LYS PHE GLY GLU ASP SEQRES 9 A 109 MET PRO HIS PRO HIS

HET ZN A 201 1 HET ZN A 202 1 HET ZN A 203 1

HETNAM ZN ZINC ION

FORMUL 2 ZN 3(ZN 2+) FORMUL 5 HOH *156(H2 O)

HELIX 1 1 HIS A 7 VAL A 11 5 5 HELIX 2 2 GLY A 51 GLY A 61 1 11 HELIX 3 3 HIS A 84 ALA A 86 5 3 HELIX 4 4 LEU A 87 GLY A 100 1 14

SHEET 1 A 5 VAL A 43 CYS A 45 0 SHEET 2 A 5 ASN A 34 CYS A 37 -1 N TRP A 35 O TYR A 44 SHEET 3 A 5 LEU A 64 SER A 67 -1 O LEU A 66 N VAL A 36 SHEET 4 A 5 ALA A 73 CYS A 75 -1 O TRP A 74 N VAL A 65 SHEET 5 A 5 ALA A 80 TYR A 81 -1 O ALA A 80 N CYS A 75

LINK SG CYS A 5 ZN ZN A 203 1555 1555 2.36 LINK ND1 HIS A 7 ZN ZN A 203 1555 1555 2.13 LINK SG CYS A 25 ZN ZN A 202 1555 1555 2.39 LINK SG CYS A 28 ZN ZN A 202 1555 1555 2.31 LINK SG CYS A 37 ZN ZN A 201 1555 1555 2.30 LINK SG CYS A 40 ZN ZN A 201 1555 1555 2.38 LINK SG CYS A 45 ZN ZN A 202 1555 1555 2.22 LINK ND1 HIS A 52 ZN ZN A 202 1555 1555 2.11 LINK NE2 HIS A 56 ZN ZN A 201 1555 1555 2.10 LINK ND1 HIS A 62 ZN ZN A 201 1555 1555 2.04 LINK SG CYS A 75 ZN ZN A 203 1555 1555 2.38 LINK SG CYS A 78 ZN ZN A 203 1555 1555 2.35

SITE 1 AC1 4 CYS A 37 CYS A 40 HIS A 56 HIS A 62 SITE 1 AC2 4 CYS A 25 CYS A 28 CYS A 45 HIS A 52 SITE 1 AC3 4 CYS A 5 HIS A 7 CYS A 75 CYS A 78

CRYST1 40.500 45.109 55.759 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 0.024691 0.000000 0.000000 0.00000

SCALE2 0.000000 0.022169 0.000000 0.00000

SCALE3 0.000000 0.000000 0.017934 0.00000