HEADER TRANSFERASE 09-DEC-08 3FHB TITLE HUMAN POLY(ADP-RIBOSE) POLYMERASE 3, CATALYTIC FRAGMENT IN COMPLEX TITLE 2 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: UNP RESIDUES 178-532; COMPND 5 SYNONYM: PARP-3, NAD(+) ADP-RIBOSYLTRANSFERASE 3, POLY[ADP-RIBOSE] COMPND 6 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_TAXID: 9606; SOURCE 4 GENE: PARP3, ADPRT3, ADPRTL3; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PNIC-BSA4 KEYWDS TRANSFERASE, ENZYME-INHIBITOR COMPLEX, CATALYTIC FRAGMENT, STRUCTURAL KEYWDS 2 GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC, ALTERNATIVE SPLICING, KEYWDS 3 GLYCOSYLTRANSFERASE, NAD, NUCLEUS EXPDTA X-RAY DIFFRACTION AUTHOR L.LEHTIO,T.KARLBERG,C.H.ARROWSMITH,H.BERGLUND,R.BUSAM,R.COLLINS, AUTHOR 2 L.G.DAHLGREN,A.M.EDWARDS,S.FLODIN,A.FLORES,S.GRASLUND,M.HAMMARSTROM, AUTHOR 3 B.M.HALLBERG,I.JOHANSSON,T.KOTENYOVA,M.MOCHE,P.NORDLUND,T.NYMAN, AUTHOR 4 D.OGG,C.PERSSON,J.SAGEMARK,H.SCHUELER,P.STENMARK,M.SUNDSTROM, AUTHOR 5 A.G.THORSELL,S.VAN DEN BERG,J.WEIGELT,L.HOLMBERG-SCHIAVONE, AUTHOR 6 STRUCTURAL GENOMICS CONSORTIUM (SGC) REVDAT 4 21-FEB-24 3FHB 1 REMARK SEQADV REVDAT 3 01-NOV-17 3FHB 1 REMARK REVDAT 2 16-JUN-09 3FHB 1 JRNL REVDAT 1 06-JAN-09 3FHB 0 SPRSDE 06-JAN-09 3FHB 2PA9 JRNL AUTH L.LEHTIO,A.S.JEMTH,R.COLLINS,O.LOSEVA,A.JOHANSSON,N.MARKOVA, JRNL AUTH 2 M.HAMMARSTROM,A.FLORES,L.HOLMBERG-SCHIAVONE,J.WEIGELT, JRNL AUTH 3 T.HELLEDAY,H.SCHULER,T.KARLBERG JRNL TITL STRUCTURAL BASIS FOR INHIBITOR SPECIFICITY IN HUMAN JRNL TITL 2 POLY(ADP-RIBOSE) POLYMERASE-3. JRNL REF J.MED.CHEM. V. 52 3108 2009 JRNL REFN ISSN 0022-2623 JRNL PMID 19354255 JRNL DOI 10.1021/JM900052J REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0044 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN 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) : 19.17 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 13560 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) : 0.182 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 715 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 956 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.73 REMARK 3 BIN R VALUE (WORKING SET) : 0.2370 REMARK 3 BIN FREE R VALUE SET COUNT : 51 REMARK 3 BIN FREE R VALUE : 0.3490 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2760 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 144 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.76 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.12000 REMARK 3 B22 (A**2) : -0.19000 REMARK 3 B33 (A**2) : 0.08000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.01000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.520 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.277 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.197 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.352 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.939 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.884 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2840 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1908 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3854 ; 1.321 ; 1.975 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4697 ; 0.870 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 358 ; 6.644 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 126 ;39.220 ;25.397 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 484 ;15.946 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;23.788 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 424 ; 0.075 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3175 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 509 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 1789 ; 0.641 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 717 ; 0.111 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2887 ; 1.186 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1051 ; 1.675 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 967 ; 2.709 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 : 1.20 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 RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3FHB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-DEC-08. REMARK 100 THE DEPOSITION ID IS D_1000050590. 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 : NULL 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 : XSCALE 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) : 0.15600 REMARK 200 R SYM (I) : NULL 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) : 0.48000 REMARK 200 R SYM FOR SHELL (I) : NULL 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.01 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 298K 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 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 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 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 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 245 -165.56 -74.06 REMARK 500 LYS A 411 76.94 -102.44 REMARK 500 ASN A 456 86.36 -151.14 REMARK 500 ASP A 478 103.89 -49.19 REMARK 500 REMARK 500 REMARK: NULL 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 601 DBREF 3FHB A 178 532 UNP Q9Y6F1 PARP3_HUMAN 178 532 SEQADV 3FHB SER A 176 UNP Q9Y6F1 EXPRESSION TAG SEQADV 3FHB MET A 177 UNP Q9Y6F1 EXPRESSION TAG 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 601 10 HETNAM GAB 3-AMINOBENZOIC ACID HETSYN GAB GABACULINE FORMUL 2 GAB C7 H7 N O2 FORMUL 3 HOH *144(H2 O) HELIX 1 1 ASP A 186 SER A 198 1 13 HELIX 2 2 SER A 198 MET A 209 1 12 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 ALA A 372 1 8 HELIX 10 10 ASN A 387 ALA A 389 5 3 HELIX 11 11 VAL A 390 GLY A 398 1 9 HELIX 12 12 GLU A 418 GLY A 424 1 7 HELIX 13 13 PRO A 479 ASP A 482 5 4 HELIX 14 14 PRO A 503 SER A 506 5 4 HELIX 15 15 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 434 ALA A 445 -1 N MET A 439 O LEU A 529 SHEET 5 B 5 ARG A 379 GLY A 385 -1 N LYS A 380 O VAL A 444 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 434 ALA A 445 -1 N MET A 439 O LEU A 529 SHEET 5 C 5 MET A 429 CYS A 431 -1 N CYS A 431 O HIS A 434 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 8 HIS A 384 GLY A 385 TYR A 414 PHE A 415 SITE 2 AC1 8 ALA A 416 SER A 422 TYR A 425 GLU A 514 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