PDB Short entry for 1EH7 HEADER TRANSFERASE 18-FEB-00 1EH7 TITLE METHYLATED HUMAN O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: AGT, O6-METHYLGUANINE-DNA METHYLTRANSFERASE, MGMT; COMPND 5 EC: 2.1.1.63; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: METHYLATED CYSTEINE 145 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ALKYLTRANSFERASE, METHYLTRANSFERASE, DNA REPAIR, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR D.S.DANIELS,J.A.TAINER REVDAT 3 09-AUG-23 1EH7 1 REMARK LINK REVDAT 2 24-FEB-09 1EH7 1 VERSN REVDAT 1 12-APR-00 1EH7 0 JRNL AUTH D.S.DANIELS,C.D.MOL,A.S.ARVAI,S.KANUGULA,A.E.PEGG,J.A.TAINER JRNL TITL ACTIVE AND ALKYLATED HUMAN AGT STRUCTURES: A NOVEL ZINC JRNL TITL 2 SITE, INHIBITOR AND EXTRAHELICAL BASE BINDING. JRNL REF EMBO J. V. 19 1719 2000 JRNL REFN ISSN 0261-4189 JRNL PMID 10747039 JRNL DOI 10.1093/EMBOJ/19.7.1719 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.23 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1710146.250 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.2 REMARK 3 NUMBER OF REFLECTIONS : 22409 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) : 0.199 REMARK 3 FREE R VALUE : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1539 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2301 REMARK 3 BIN R VALUE (WORKING SET) : 0.2420 REMARK 3 BIN FREE R VALUE : 0.2840 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 250 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1232 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 182 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.33000 REMARK 3 B22 (A**2) : -0.33000 REMARK 3 B33 (A**2) : 0.67000 REMARK 3 B12 (A**2) : -2.91000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.18 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.23 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.840 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.550 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.000 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 0.820 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.200 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.47 REMARK 3 BSOL : 76.82 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 : PROTEIN_REP.PA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : ZN.PARAM REMARK 3 PARAMETER FILE 4 : CYSM.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ZN.TOP REMARK 3 TOPOLOGY FILE 4 : CYSM.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 ILE 141 IS LOCATED IN A TIGHT TURN PRECEDING THE REMARK 3 ACTIVE SITE AND CONSTRAINED IN A DISALLOWED REMARK 3 RAMACHANDRAN REGION. REMARK 4 REMARK 4 1EH7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-FEB-00. REMARK 100 THE DEPOSITION ID IS D_1000010567. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-MAR-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15195 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.2 REMARK 200 DATA REDUNDANCY : 1.472 REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.4926 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 (%) : 98.4 REMARK 200 DATA REDUNDANCY IN SHELL : 1.86 REMARK 200 R MERGE FOR SHELL (I) : 0.25500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.133 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB 1EH6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.59 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18 MG/ML PROTEIN, 1.5 M SUCROSE, PH REMARK 280 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 25.44167 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 50.88333 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 50.88333 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 25.44167 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: 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 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 MET A 1 REMARK 465 ASP A 2 REMARK 465 LYS A 3 REMARK 465 ASP A 4 REMARK 465 LYS A 36 REMARK 465 GLY A 37 REMARK 465 THR A 38 REMARK 465 SER A 39 REMARK 465 ALA A 40 REMARK 465 ALA A 41 REMARK 465 ASP A 42 REMARK 465 ALA A 43 REMARK 465 VAL A 44 REMARK 465 GLU A 45 REMARK 465 GLY A 177 REMARK 465 LYS A 178 REMARK 465 PRO A 179 REMARK 465 GLY A 180 REMARK 465 LEU A 181 REMARK 465 GLY A 182 REMARK 465 GLY A 183 REMARK 465 SER A 184 REMARK 465 SER A 185 REMARK 465 GLY A 186 REMARK 465 LEU A 187 REMARK 465 ALA A 188 REMARK 465 GLY A 189 REMARK 465 ALA A 190 REMARK 465 TRP A 191 REMARK 465 LEU A 192 REMARK 465 LYS A 193 REMARK 465 GLY A 194 REMARK 465 ALA A 195 REMARK 465 GLY A 196 REMARK 465 ALA A 197 REMARK 465 THR A 198 REMARK 465 SER A 199 REMARK 465 GLY A 200 REMARK 465 SER A 201 REMARK 465 PRO A 202 REMARK 465 PRO A 203 REMARK 465 ALA A 204 REMARK 465 GLY A 205 REMARK 465 ARG A 206 REMARK 465 ASN A 207 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 GLN A 72 54.30 -143.62 REMARK 500 ALA A 126 37.13 -99.55 REMARK 500 ILE A 141 -61.05 74.44 REMARK 500 PRO A 144 63.53 -64.64 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 208 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 5 SG REMARK 620 2 CYS A 24 SG 100.7 REMARK 620 3 HIS A 29 NE2 96.7 118.5 REMARK 620 4 HIS A 85 ND1 117.7 107.3 115.2 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE CYSTEINE, METHYLATED REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 208 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EH6 RELATED DB: PDB REMARK 900 1EH6 CONTAINS THE NATIVE PROTEIN REMARK 900 RELATED ID: 1EH8 RELATED DB: PDB DBREF 1EH7 A 1 207 UNP P16455 MGMT_HUMAN 1 207 SEQRES 1 A 207 MET ASP LYS ASP CYS GLU MET LYS ARG THR THR LEU ASP SEQRES 2 A 207 SER PRO LEU GLY LYS LEU GLU LEU SER GLY CYS GLU GLN SEQRES 3 A 207 GLY LEU HIS GLU ILE LYS LEU LEU GLY LYS GLY THR SER SEQRES 4 A 207 ALA ALA ASP ALA VAL GLU VAL PRO ALA PRO ALA ALA VAL SEQRES 5 A 207 LEU GLY GLY PRO GLU PRO LEU MET GLN CYS THR ALA TRP SEQRES 6 A 207 LEU ASN ALA TYR PHE HIS GLN PRO GLU ALA ILE GLU GLU SEQRES 7 A 207 PHE PRO VAL PRO ALA LEU HIS HIS PRO VAL PHE GLN GLN SEQRES 8 A 207 GLU SER PHE THR ARG GLN VAL LEU TRP LYS LEU LEU LYS SEQRES 9 A 207 VAL VAL LYS PHE GLY GLU VAL ILE SER TYR GLN GLN LEU SEQRES 10 A 207 ALA ALA LEU ALA GLY ASN PRO LYS ALA ALA ARG ALA VAL SEQRES 11 A 207 GLY GLY ALA MET ARG GLY ASN PRO VAL PRO ILE LEU ILE SEQRES 12 A 207 PRO SMC HIS ARG VAL VAL CYS SER SER GLY ALA VAL GLY SEQRES 13 A 207 ASN TYR SER GLY GLY LEU ALA VAL LYS GLU TRP LEU LEU SEQRES 14 A 207 ALA HIS GLU GLY HIS ARG LEU GLY LYS PRO GLY LEU GLY SEQRES 15 A 207 GLY SER SER GLY LEU ALA GLY ALA TRP LEU LYS GLY ALA SEQRES 16 A 207 GLY ALA THR SER GLY SER PRO PRO ALA GLY ARG ASN MODRES 1EH7 SMC A 145 CYS S-METHYLCYSTEINE HET SMC A 145 7 HET ZN A 208 1 HETNAM SMC S-METHYLCYSTEINE HETNAM ZN ZINC ION FORMUL 1 SMC C4 H9 N O2 S FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *182(H2 O) HELIX 1 1 PRO A 56 GLN A 72 1 17 HELIX 2 2 PRO A 73 PHE A 79 5 7 HELIX 3 3 HIS A 86 GLN A 91 1 6 HELIX 4 4 SER A 93 VAL A 106 1 14 HELIX 5 5 TYR A 114 ALA A 121 1 8 HELIX 6 6 ALA A 126 ARG A 135 1 10 HELIX 7 7 GLY A 161 GLU A 172 1 12 SHEET 1 A 3 LYS A 8 LEU A 12 0 SHEET 2 A 3 LEU A 19 CYS A 24 -1 O LEU A 19 N LEU A 12 SHEET 3 A 3 GLY A 27 LEU A 33 -1 O GLY A 27 N CYS A 24 SHEET 1 B 2 ILE A 112 SER A 113 0 SHEET 2 B 2 VAL A 148 VAL A 149 1 N VAL A 149 O ILE A 112 LINK C PRO A 144 N SMC A 145 1555 1555 1.33 LINK C SMC A 145 N HIS A 146 1555 1555 1.34 LINK SG CYS A 5 ZN ZN A 208 1555 1555 2.42 LINK SG CYS A 24 ZN ZN A 208 1555 1555 2.36 LINK NE2 HIS A 29 ZN ZN A 208 1555 1555 2.07 LINK ND1 HIS A 85 ZN ZN A 208 1555 1555 2.08 CISPEP 1 GLY A 55 PRO A 56 0 -0.20 SITE 1 ACT 1 SMC A 145 SITE 1 AC1 4 CYS A 5 CYS A 24 HIS A 29 HIS A 85 CRYST1 71.401 71.401 76.325 90.00 90.00 120.00 P 31 2 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 0.014005 0.008086 0.000000 0.00000 SCALE2 0.000000 0.016172 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013102 0.00000