HEADER TRANSFERASE 27-MAR-07 2PA9 OBSLTE 06-JAN-09 2PA9 3FHB TITLE HUMAN POLY(ADP-RIBOSE) POLYMERASE 3, CATALYTIC FRAGMENT IN TITLE 2 COMPLEX WITH AN INHIBITOR 3-AMINOBENZOIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: POLY [ADP-RIBOSE] POLYMERASE 3; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC FRAGMENT: RESIDUES 178-532; COMPND 5 SYNONYM: PARP-3, NAD(+) ADP-RIBOSYLTRANSFERASE 3, POLY[ADP- COMPND 6 RIBOSE] SYNTHETASE 3, PADPRT-3, HPARP-3, IRT1; COMPND 7 EC: 2.4.2.30; COMPND 8 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: PARP3, ADPRT3, ADPRTL3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PNIC-BSA4 KEYWDS ENZYME-INHIBITOR COMPLEX, CATALYTIC FRAGMENT, STRUCTURAL KEYWDS 2 GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR L.LEHTIO,T.KARLBERG,C.H.ARROWSMITH,H.BERGLUNG,R.BUSAM, AUTHOR 2 R.COLLINS,L.G.DAHLGREN,A.EDWARDS,S.FLODIN,A.FLORES, AUTHOR 3 S.GRASLUND,M.HAMMARSTROM,B.M.HALLBERG,I.JOHANSSON, AUTHOR 4 T.KOTENYOVA,M.MOCHE,P.NORDLUND,T.NYMAN,D.OGG,C.PERSSON, AUTHOR 5 J.SAGEMARK,P.STENMARK,M.SUNDSTROM,A.G.THORSELL,S.VAN DEN AUTHOR 6 BERG,J.WEIGELT,L.HOLMBERG-SCHIAVONE,STRUCTURAL GENOMICS AUTHOR 7 CONSORTIUM (SGC) REVDAT 2 06-JAN-09 2PA9 1 OBSLTE REVDAT 1 10-APR-07 2PA9 0 JRNL AUTH L.LEHTIO,T.KARLBERG,C.H.ARROWSMITH,H.BERGLUNG, JRNL AUTH 2 R.BUSAM,R.COLLINS,L.G.DAHLGREN,A.EDWARDS,S.FLODIN, JRNL AUTH 3 A.FLORES,S.GRASLUND,M.HAMMARSTROM,B.M.HALLBERG, JRNL AUTH 4 I.JOHANSSON,T.KOTENYOVA,M.MOCHE,P.NORDLUND,T.NYMAN, JRNL AUTH 5 D.OGG,C.PERSSON,J.SAGEMARK,P.STENMARK,M.SUNDSTROM, JRNL AUTH 6 A.G.THORSELL,S.VAN DEN BERG,J.WEIGELT, JRNL AUTH 7 L.HOLMBERG-SCHIAVONE JRNL TITL HUMAN POLY(ADP-RIBOSE) POLYMERASE 3, CATALYTIC JRNL TITL 2 FRAGMENT IN COMPLEX WITH AN INHIBITOR JRNL TITL 3 3-AMINOBENZOIC ACID JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.3.0032 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 13564 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) : 0.189 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 716 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW : 2.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 955 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.36 REMARK 3 BIN R VALUE (WORKING SET) : 0.2430 REMARK 3 BIN FREE R VALUE SET COUNT : 51 REMARK 3 BIN FREE R VALUE : 0.3460 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 ALL ATOMS : 2942 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.37 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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): 0.556 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.286 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.225 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.478 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.937 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.876 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2842 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3855 ; 1.373 ; 1.976 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 358 ; 6.393 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 126 ;38.948 ;25.397 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 482 ;15.397 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;18.299 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 423 ; 0.092 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2173 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1249 ; 0.158 ; 0.100 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1925 ; 0.315 ; 0.500 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 274 ; 0.199 ; 0.300 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 65 ; 0.116 ; 0.100 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 12 ; 0.207 ; 0.300 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): 1835 ; 2.326 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2885 ; 3.484 ; 3.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1112 ; 2.339 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 970 ; 3.311 ; 3.000 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 : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 2PA9 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-MAR-07. REMARK 100 THE RCSB ID CODE IS RCSB042162. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-SEP-06 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 : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98000 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14283 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.15600 REMARK 200 FOR THE DATA SET : 8.7300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.65 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.48000 REMARK 200 FOR SHELL : 2.730 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: ENSEMBLE OF PARP-1 PROTEINS FROM HUMAN AND MOUSE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.8 M DL-MALIC ACID, 0.1 M BIS-TRIS REMARK 280 PROPANE - SEEDING, PH 7.0, VAPOR DIFFUSION, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 28.35000 REMARK 290 SMTRY3 2 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 300 REMARK 300 REMARK: ASYMMETRIC UNIT FORMS A BIOLOGICALLY RELEVANT REMARK 300 ASSEMBLY OF THE CATALYTIC FRAGMENT 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 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 LYS A 214 CD CE NZ REMARK 470 GLU A 238 CD OE1 OE2 REMARK 470 LYS A 241 CG CD CE NZ REMARK 470 GLN A 269 CG CD OE1 NE2 REMARK 470 LYS A 337 CD CE NZ REMARK 470 ARG A 351 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 369 CG CD NE CZ NH1 NH2 REMARK 470 ILE A 427 CG1 CG2 CD1 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 HIS A 350 -62.33 -94.26 REMARK 500 ARG A 351 49.36 -85.07 REMARK 500 ASN A 378 71.84 54.40 REMARK 500 HIS A 434 -156.76 -108.93 REMARK 500 ASN A 456 87.66 -150.91 REMARK 500 PRO A 464 -36.56 -36.63 REMARK 500 ASP A 478 104.84 -51.57 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLY A 428 MET A 429 145.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 10 DISTANCE = 5.10 ANGSTROMS REMARK 525 HOH A 136 DISTANCE = 5.68 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAB A 533 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 534 DBREF 2PA9 A 178 532 UNP Q9Y6F1 PARP3_HUMAN 178 532 SEQADV 2PA9 SER A 176 UNP Q9Y6F1 CLONING ARTIFACT SEQADV 2PA9 MET A 177 UNP Q9Y6F1 CLONING ARTIFACT SEQRES 1 A 357 SER MET LYS ARG VAL GLN PRO CYS SER LEU ASP PRO ALA SEQRES 2 A 357 THR GLN LYS LEU ILE THR ASN ILE PHE SER LYS GLU MET SEQRES 3 A 357 PHE LYS ASN THR MET ALA LEU MET ASP LEU ASP VAL LYS SEQRES 4 A 357 LYS MET PRO LEU GLY LYS LEU SER LYS GLN GLN ILE ALA SEQRES 5 A 357 ARG GLY PHE GLU ALA LEU GLU ALA LEU GLU GLU ALA LEU SEQRES 6 A 357 LYS GLY PRO THR ASP GLY GLY GLN SER LEU GLU GLU LEU SEQRES 7 A 357 SER SER HIS PHE TYR THR VAL ILE PRO HIS ASN PHE GLY SEQRES 8 A 357 HIS SER GLN PRO PRO PRO ILE ASN SER PRO GLU LEU LEU SEQRES 9 A 357 GLN ALA LYS LYS ASP MET LEU LEU VAL LEU ALA ASP ILE SEQRES 10 A 357 GLU LEU ALA GLN ALA LEU GLN ALA VAL SER GLU GLN GLU SEQRES 11 A 357 LYS THR VAL GLU GLU VAL PRO HIS PRO LEU ASP ARG ASP SEQRES 12 A 357 TYR GLN LEU LEU LYS CYS GLN LEU GLN LEU LEU ASP SER SEQRES 13 A 357 GLY ALA PRO GLU TYR LYS VAL ILE GLN THR TYR LEU GLU SEQRES 14 A 357 GLN THR GLY SER ASN HIS ARG CYS PRO THR LEU GLN HIS SEQRES 15 A 357 ILE TRP LYS VAL ASN GLN GLU GLY GLU GLU ASP ARG PHE SEQRES 16 A 357 GLN ALA HIS SER LYS LEU GLY ASN ARG LYS LEU LEU TRP SEQRES 17 A 357 HIS GLY THR ASN MET ALA VAL VAL ALA ALA ILE LEU THR SEQRES 18 A 357 SER GLY LEU ARG ILE MET PRO HIS SER GLY GLY ARG VAL SEQRES 19 A 357 GLY LYS GLY ILE TYR PHE ALA SER GLU ASN SER LYS SER SEQRES 20 A 357 ALA GLY TYR VAL ILE GLY MET LYS CYS GLY ALA HIS HIS SEQRES 21 A 357 VAL GLY TYR MET PHE LEU GLY GLU VAL ALA LEU GLY ARG SEQRES 22 A 357 GLU HIS HIS ILE ASN THR ASP ASN PRO SER LEU LYS SER SEQRES 23 A 357 PRO PRO PRO GLY PHE ASP SER VAL ILE ALA ARG GLY HIS SEQRES 24 A 357 THR GLU PRO ASP PRO THR GLN ASP THR GLU LEU GLU LEU SEQRES 25 A 357 ASP GLY GLN GLN VAL VAL VAL PRO GLN GLY GLN PRO VAL SEQRES 26 A 357 PRO CYS PRO GLU PHE SER SER SER THR PHE SER GLN SER SEQRES 27 A 357 GLU TYR LEU ILE TYR GLN GLU SER GLN CYS ARG LEU ARG SEQRES 28 A 357 TYR LEU LEU GLU VAL HIS HET GAB A 533 10 HET GOL A 534 6 HETNAM GAB 3-AMINOBENZOIC ACID HETNAM GOL GLYCEROL HETSYN GAB GABACULINE FORMUL 2 GAB C7 H7 N O2 FORMUL 3 GOL C3 H8 O3 FORMUL 4 HOH *163(H2 O) HELIX 1 1 ASP A 186 SER A 198 1 13 HELIX 2 2 SER A 198 LEU A 208 1 11 HELIX 3 3 SER A 222 GLY A 242 1 21 HELIX 4 4 SER A 249 ILE A 261 1 13 HELIX 5 5 SER A 275 GLN A 299 1 25 HELIX 6 6 SER A 302 VAL A 308 1 7 HELIX 7 7 HIS A 313 LEU A 322 1 10 HELIX 8 8 GLU A 335 GLY A 347 1 13 HELIX 9 9 GLY A 365 GLN A 371 1 7 HELIX 10 10 ALA A 372 SER A 374 5 3 HELIX 11 11 ASN A 387 ALA A 389 5 3 HELIX 12 12 VAL A 390 GLY A 398 1 9 HELIX 13 13 GLU A 418 GLY A 424 1 7 HELIX 14 14 PRO A 479 ASP A 482 5 4 HELIX 15 15 PRO A 503 SER A 506 5 4 HELIX 16 16 GLN A 519 SER A 521 5 3 SHEET 1 A 2 ARG A 179 VAL A 180 0 SHEET 2 A 2 GLU A 310 VAL A 311 1 O VAL A 311 N ARG A 179 SHEET 1 B 5 CYS A 324 LEU A 328 0 SHEET 2 B 5 THR A 354 GLN A 363 -1 O LYS A 360 N GLN A 327 SHEET 3 B 5 CYS A 523 HIS A 532 -1 O LEU A 528 N TRP A 359 SHEET 4 B 5 HIS A 435 ALA A 445 -1 N GLY A 437 O VAL A 531 SHEET 5 B 5 ARG A 379 GLY A 385 -1 N HIS A 384 O PHE A 440 SHEET 1 C 5 CYS A 324 LEU A 328 0 SHEET 2 C 5 THR A 354 GLN A 363 -1 O LYS A 360 N GLN A 327 SHEET 3 C 5 CYS A 523 HIS A 532 -1 O LEU A 528 N TRP A 359 SHEET 4 C 5 HIS A 435 ALA A 445 -1 N GLY A 437 O VAL A 531 SHEET 5 C 5 LYS A 430 CYS A 431 -1 N LYS A 430 O VAL A 436 SHEET 1 D 4 ILE A 413 PHE A 415 0 SHEET 2 D 4 GLU A 514 ILE A 517 -1 O TYR A 515 N PHE A 415 SHEET 3 D 4 SER A 468 ALA A 471 -1 N ALA A 471 O GLU A 514 SHEET 4 D 4 GLU A 449 ILE A 452 1 N HIS A 450 O ILE A 470 SHEET 1 E 2 THR A 475 PRO A 477 0 SHEET 2 E 2 PRO A 499 PRO A 501 -1 O VAL A 500 N GLU A 476 SHEET 1 F 2 THR A 483 LEU A 487 0 SHEET 2 F 2 GLN A 490 VAL A 494 -1 O VAL A 494 N THR A 483 SITE 1 AC1 7 HIS A 384 GLY A 385 SER A 422 TYR A 425 SITE 2 AC1 7 GLU A 514 HOH A 19 HOH A 28 SITE 1 AC2 4 GLU A 418 THR A 475 SER A 511 HOH A 50 CRYST1 55.240 56.700 56.480 90.00 112.86 90.00 P 1 21 1 2 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 0.018103 0.000000 0.007630 0.00000 SCALE2 0.000000 0.017637 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019214 0.00000