HEADER TRANSCRIPTION 26-MAR-09 3GS2 TITLE RING1B C-TERMINAL DOMAIN/CBX7 CBOX COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: E3 UBIQUITIN-PROTEIN LIGASE RING2; COMPND 3 CHAIN: A, C; COMPND 4 FRAGMENT: C-TERMINAL DOMAIN, RESIDUES 223-333; COMPND 5 SYNONYM: RING FINGER PROTEIN 2, RING FINGER PROTEIN 1B, RING1B, RING COMPND 6 FINGER PROTEIN BAP-1, DING PROTEIN, HUNTINGTIN-INTERACTING PROTEIN 2- COMPND 7 INTERACTING PROTEIN 3, HIP2-INTERACTING PROTEIN 3; COMPND 8 EC: 6.3.2.-; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES; COMPND 11 MOL_ID: 2; COMPND 12 MOLECULE: CHROMOBOX PROTEIN HOMOLOG 7; COMPND 13 CHAIN: B, D; COMPND 14 FRAGMENT: CBOX DOMAIN, RESIDUES 219-248; COMPND 15 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: BAP1, DING, HIPI3, RING1B, RNF2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET30A; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: CBX7; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PET3C KEYWDS RING1B, CBOX, CBX7, POLYCOMB, E3-LIGASE, CHROMOSOMAL PROTEIN, KEYWDS 2 TRANSCRIPTION REGULATION, CHROMATIN REGULATOR, TRANSCRIPTION KEYWDS 3 REPRESSOR, LIGASE, METAL-BINDING, NUCLEUS, PHOSPHOPROTEIN, KEYWDS 4 REPRESSOR, TRANSCRIPTION, UBL CONJUGATION PATHWAY, ZINC-FINGER EXPDTA X-RAY DIFFRACTION AUTHOR R.WANG,A.B.TAYLOR,C.A.KIM REVDAT 3 21-FEB-24 3GS2 1 REMARK REVDAT 2 20-OCT-21 3GS2 1 REMARK SEQADV LINK REVDAT 1 25-AUG-10 3GS2 0 JRNL AUTH R.WANG,A.B.TAYLOR,B.Z.LEAL,L.V.CHADWELL,U.ILANGOVAN, JRNL AUTH 2 A.K.ROBINSON,V.SCHIRF,P.J.HART,E.M.LAFER,B.DEMELER, JRNL AUTH 3 A.P.HINCK,D.G.MCEWEN,C.A.KIM JRNL TITL POLYCOMB GROUP TARGETING THROUGH DIFFERENT BINDING PARTNERS JRNL TITL 2 OF RING1B C-TERMINAL DOMAIN. JRNL REF STRUCTURE V. 18 966 2010 JRNL REFN ISSN 0969-2126 JRNL PMID 20696397 JRNL DOI 10.1016/J.STR.2010.04.013 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 21.05 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.060 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.1 REMARK 3 NUMBER OF REFLECTIONS : 30273 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.208 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.243 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1513 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 21.0540 - 3.7720 0.99 2908 154 0.1960 0.2030 REMARK 3 2 3.7720 - 2.9970 0.99 2775 147 0.1870 0.2350 REMARK 3 3 2.9970 - 2.6190 0.98 2712 142 0.2150 0.2430 REMARK 3 4 2.6190 - 2.3800 0.98 2680 143 0.2110 0.2830 REMARK 3 5 2.3800 - 2.2090 0.98 2668 139 0.1940 0.2690 REMARK 3 6 2.2090 - 2.0790 0.97 2640 141 0.2070 0.2510 REMARK 3 7 2.0790 - 1.9750 0.96 2599 133 0.2080 0.2610 REMARK 3 8 1.9750 - 1.8890 0.94 2543 133 0.2020 0.2720 REMARK 3 9 1.8890 - 1.8170 0.92 2487 125 0.2110 0.2510 REMARK 3 10 1.8170 - 1.7540 0.91 2480 134 0.2300 0.2670 REMARK 3 11 1.7540 - 1.6990 0.85 2268 122 0.2590 0.3100 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 : 0.38 REMARK 3 B_SOL : 55.00 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 1.020 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.430 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.29 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.59600 REMARK 3 B22 (A**2) : 3.57900 REMARK 3 B33 (A**2) : -4.17500 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 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 : 0.006 2272 REMARK 3 ANGLE : 0.974 3080 REMARK 3 CHIRALITY : 0.064 354 REMARK 3 PLANARITY : 0.004 390 REMARK 3 DIHEDRAL : 16.039 831 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 3GS2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-APR-09. REMARK 100 THE DEPOSITION ID IS D_1000052240. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-APR-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : CONFOCAL OPTICS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS VII REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31746 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 4.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04500 REMARK 200 FOR THE DATA SET : 26.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.42800 REMARK 200 FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG MME 550, 0.1 M MES, 0.01 M REMARK 280 ZINC SULFATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 289K 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 22.38100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.03700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.27350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.03700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.38100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 25.27350 REMARK 290 SMTRY3 4 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 300 REMARK: DIMER 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: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15030 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -98.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -76.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1910 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9030 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 ALA A 286 REMARK 465 SER A 287 REMARK 465 ALA C 223 REMARK 465 ALA C 286 REMARK 465 SER C 287 REMARK 465 SER D 248 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 C 288 CG 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 284 -78.81 -82.92 REMARK 500 LEU C 283 -156.50 -97.04 REMARK 500 ASP C 284 -163.56 -170.09 REMARK 500 LYS C 320 -49.28 84.41 REMARK 500 PHE D 243 -61.88 -124.95 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 334 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 223 N REMARK 620 2 ALA A 223 O 76.9 REMARK 620 3 GLU A 312 OE1 128.4 92.1 REMARK 620 4 HOH B 29 O 101.9 174.4 92.8 REMARK 620 5 HOH B 141 O 117.0 88.6 112.8 87.1 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 334 DBREF 3GS2 A 223 333 UNP Q99496 RING2_HUMAN 223 333 DBREF 3GS2 B 219 248 UNP O95931 CBX7_HUMAN 219 248 DBREF 3GS2 C 223 333 UNP Q99496 RING2_HUMAN 223 333 DBREF 3GS2 D 219 248 UNP O95931 CBX7_HUMAN 219 248 SEQADV 3GS2 ASP A 306 UNP Q99496 ASN 306 ENGINEERED MUTATION SEQADV 3GS2 ASP C 306 UNP Q99496 ASN 306 ENGINEERED MUTATION SEQRES 1 A 111 ALA SER GLU ILE GLU LEU VAL PHE ARG PRO HIS PRO THR SEQRES 2 A 111 LEU MET GLU LYS ASP ASP SER ALA GLN THR ARG TYR ILE SEQRES 3 A 111 LYS THR SER GLY ASN ALA THR VAL ASP HIS LEU SER LYS SEQRES 4 A 111 TYR LEU ALA VAL ARG LEU ALA LEU GLU GLU LEU ARG SER SEQRES 5 A 111 LYS GLY GLU SER ASN GLN MET ASN LEU ASP THR ALA SER SEQRES 6 A 111 GLU LYS GLN TYR THR ILE TYR ILE ALA THR ALA SER GLY SEQRES 7 A 111 GLN PHE THR VAL LEU ASP GLY SER PHE SER LEU GLU LEU SEQRES 8 A 111 VAL SER GLU LYS TYR TRP LYS VAL ASN LYS PRO MET GLU SEQRES 9 A 111 LEU TYR TYR ALA PRO THR LYS SEQRES 1 B 30 GLU VAL THR VAL THR ASP ILE THR ALA ASN SER ILE THR SEQRES 2 B 30 VAL THR PHE ARG GLU ALA GLN ALA ALA GLU GLY PHE PHE SEQRES 3 B 30 ARG ASP ARG SER SEQRES 1 C 111 ALA SER GLU ILE GLU LEU VAL PHE ARG PRO HIS PRO THR SEQRES 2 C 111 LEU MET GLU LYS ASP ASP SER ALA GLN THR ARG TYR ILE SEQRES 3 C 111 LYS THR SER GLY ASN ALA THR VAL ASP HIS LEU SER LYS SEQRES 4 C 111 TYR LEU ALA VAL ARG LEU ALA LEU GLU GLU LEU ARG SER SEQRES 5 C 111 LYS GLY GLU SER ASN GLN MET ASN LEU ASP THR ALA SER SEQRES 6 C 111 GLU LYS GLN TYR THR ILE TYR ILE ALA THR ALA SER GLY SEQRES 7 C 111 GLN PHE THR VAL LEU ASP GLY SER PHE SER LEU GLU LEU SEQRES 8 C 111 VAL SER GLU LYS TYR TRP LYS VAL ASN LYS PRO MET GLU SEQRES 9 C 111 LEU TYR TYR ALA PRO THR LYS SEQRES 1 D 30 GLU VAL THR VAL THR ASP ILE THR ALA ASN SER ILE THR SEQRES 2 D 30 VAL THR PHE ARG GLU ALA GLN ALA ALA GLU GLY PHE PHE SEQRES 3 D 30 ARG ASP ARG SER HET SO4 A 1 5 HET ZN A 334 1 HET SO4 B 2 5 HETNAM SO4 SULFATE ION HETNAM ZN ZINC ION FORMUL 5 SO4 2(O4 S 2-) FORMUL 6 ZN ZN 2+ FORMUL 8 HOH *182(H2 O) HELIX 1 1 THR A 255 SER A 278 1 24 HELIX 2 2 SER A 310 TRP A 319 1 10 HELIX 3 3 THR C 255 SER C 278 1 24 HELIX 4 4 SER C 310 TYR C 318 1 9 SHEET 1 A 7 PHE A 302 VAL A 304 0 SHEET 2 A 7 TYR A 291 ALA A 296 -1 N ILE A 295 O THR A 303 SHEET 3 A 7 MET A 325 PRO A 331 -1 O ALA A 330 N THR A 292 SHEET 4 A 7 GLU A 225 PRO A 232 1 N GLU A 227 O MET A 325 SHEET 5 A 7 ARG A 246 SER A 251 -1 O ILE A 248 N LEU A 228 SHEET 6 A 7 ILE B 230 ALA B 237 -1 O ARG B 235 N LYS A 249 SHEET 7 A 7 THR B 221 ALA B 227 -1 N THR B 223 O PHE B 234 SHEET 1 B 7 GLN C 301 VAL C 304 0 SHEET 2 B 7 TYR C 291 THR C 297 -1 N ILE C 295 O THR C 303 SHEET 3 B 7 MET C 325 PRO C 331 -1 O ALA C 330 N THR C 292 SHEET 4 B 7 ILE C 226 PRO C 232 1 N VAL C 229 O MET C 325 SHEET 5 B 7 ARG C 246 THR C 250 -1 O ILE C 248 N LEU C 228 SHEET 6 B 7 ILE D 230 ALA D 237 -1 O ARG D 235 N LYS C 249 SHEET 7 B 7 THR D 221 ALA D 227 -1 N ILE D 225 O VAL D 232 LINK N ALA A 223 ZN ZN A 334 1555 1555 2.32 LINK O ALA A 223 ZN ZN A 334 1555 1555 2.17 LINK OE1 GLU A 312 ZN ZN A 334 1555 1555 2.03 LINK ZN ZN A 334 O HOH B 29 1555 1555 2.31 LINK ZN ZN A 334 O HOH B 141 1555 1555 2.05 CISPEP 1 ALA C 298 SER C 299 0 -0.05 SITE 1 AC1 4 HOH A 54 ARG A 266 ARG A 273 ARG C 273 SITE 1 AC2 6 ALA A 223 HOH B 12 HOH B 29 HOH B 141 SITE 2 AC2 6 ARG B 245 ARG B 247 SITE 1 AC3 4 ALA A 223 GLU A 312 HOH B 29 HOH B 141 CRYST1 44.762 50.547 124.074 90.00 90.00 90.00 P 21 21 21 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 0.022340 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019784 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008060 0.00000