HEADER TRANSFERASE 23-NOV-05 2F4J TITLE STRUCTURE OF THE KINASE DOMAIN OF AN IMATINIB-RESISTANT ABL MUTANT IN TITLE 2 COMPLEX WITH THE AURORA KINASE INHIBITOR VX-680 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTO-ONCOGENE TYROSINE-PROTEIN KINASE ABL1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: KINASE DOMAIN, RESIDUES 227-513; COMPND 5 SYNONYM: P150, C- ABL; COMPND 6 EC: 2.7.1.112; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ABL1, ABL, JTK7; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)-STAR; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A-TEV KEYWDS KINASE, KINASE INHIBITOR, ABL, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.A.YOUNG,N.P.SHAH,L.H.CHAO,P.ZARRINKAR,P.SAWYERS,J.KURIYAN REVDAT 5 23-AUG-23 2F4J 1 REMARK REVDAT 4 20-OCT-21 2F4J 1 REMARK SEQADV REVDAT 3 18-OCT-17 2F4J 1 REMARK REVDAT 2 24-FEB-09 2F4J 1 VERSN REVDAT 1 24-JAN-06 2F4J 0 JRNL AUTH M.A.YOUNG,N.P.SHAH,L.H.CHAO,M.SEELIGER,Z.V.MILANOV, JRNL AUTH 2 W.H.BIGGS,D.K.TREIBER,H.K.PATEL,P.P.ZARRINKAR,D.J.LOCKHART, JRNL AUTH 3 C.L.SAWYERS,J.KURIYAN JRNL TITL STRUCTURE OF THE KINASE DOMAIN OF AN IMATINIB-RESISTANT ABL JRNL TITL 2 MUTANT IN COMPLEX WITH THE AURORA KINASE INHIBITOR VX-680. JRNL REF CANCER RES. V. 66 1007 2006 JRNL REFN ISSN 0008-5472 JRNL PMID 16424036 JRNL DOI 10.1158/0008-5472.CAN-05-2788 REMARK 2 REMARK 2 RESOLUTION. 1.91 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.29 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.5 REMARK 3 NUMBER OF REFLECTIONS : 23335 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1612 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.91 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.99 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 50.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1638 REMARK 3 BIN R VALUE (WORKING SET) : 0.2940 REMARK 3 BIN FREE R VALUE : 0.3650 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 87 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.039 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2328 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 211 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 12.14000 REMARK 3 B22 (A**2) : -8.84000 REMARK 3 B33 (A**2) : -3.30000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.55000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.25 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.690 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : CNS BULK SOLVENT MODEL USED REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 47.71 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.PARAM REMARK 3 PARAMETER FILE 2 : VX680.PAR REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: CROSS-VALIDATION METHOD: REMARK 3 -> "THROUGHOUT" REMARK 3 FREE R VALUE TEST SET SELECTION CRITERIA: REMARK 3 -> "RANDOM" REMARK 4 REMARK 4 2F4J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-DEC-05. REMARK 100 THE DEPOSITION ID IS D_1000035443. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-OCT-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 3.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24731 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.12100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 56.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.52900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: PDB ENTRY 1M52 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% W/V PEG1500, 0.1M CITRIC ACID, PH REMARK 280 3.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 29.70850 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 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 PRO A 309 C - N - CA ANGL. DEV. = 10.6 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 LYS A 245 -132.31 -116.25 REMARK 500 ASP A 276 -57.87 87.20 REMARK 500 THR A 277 144.69 -6.01 REMARK 500 PRO A 309 -108.39 10.53 REMARK 500 ASP A 363 42.78 -154.44 REMARK 500 ASP A 381 83.86 46.92 REMARK 500 PRO A 402 90.98 -67.39 REMARK 500 TYR A 440 63.27 38.98 REMARK 500 ASP A 455 16.22 84.24 REMARK 500 LEU A 510 -2.65 -59.60 REMARK 500 LYS A 512 -25.16 -168.29 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 VX6 A 514 DBREF 2F4J A 227 513 GB 62362414 NP_005148 227 513 SEQADV 2F4J PRO A 396 GB 62362414 HIS 396 ENGINEERED MUTATION SEQADV 2F4J MET A 228 GB 62362414 VAL 228 CLONING ARTIFACT SEQRES 1 A 287 GLY MET SER PRO ASN TYR ASP LYS TRP GLU MET GLU ARG SEQRES 2 A 287 THR ASP ILE THR MET LYS HIS LYS LEU GLY GLY GLY GLN SEQRES 3 A 287 TYR GLY GLU VAL TYR GLU GLY VAL TRP LYS LYS TYR SER SEQRES 4 A 287 LEU THR VAL ALA VAL LYS THR LEU LYS GLU ASP THR MET SEQRES 5 A 287 GLU VAL GLU GLU PHE LEU LYS GLU ALA ALA VAL MET LYS SEQRES 6 A 287 GLU ILE LYS HIS PRO ASN LEU VAL GLN LEU LEU GLY VAL SEQRES 7 A 287 CYS THR ARG GLU PRO PRO PHE TYR ILE ILE THR GLU PHE SEQRES 8 A 287 MET THR TYR GLY ASN LEU LEU ASP TYR LEU ARG GLU CYS SEQRES 9 A 287 ASN ARG GLN GLU VAL ASN ALA VAL VAL LEU LEU TYR MET SEQRES 10 A 287 ALA THR GLN ILE SER SER ALA MET GLU TYR LEU GLU LYS SEQRES 11 A 287 LYS ASN PHE ILE HIS ARG ASP LEU ALA ALA ARG ASN CYS SEQRES 12 A 287 LEU VAL GLY GLU ASN HIS LEU VAL LYS VAL ALA ASP PHE SEQRES 13 A 287 GLY LEU SER ARG LEU MET THR GLY ASP THR TYR THR ALA SEQRES 14 A 287 PRO ALA GLY ALA LYS PHE PRO ILE LYS TRP THR ALA PRO SEQRES 15 A 287 GLU SER LEU ALA TYR ASN LYS PHE SER ILE LYS SER ASP SEQRES 16 A 287 VAL TRP ALA PHE GLY VAL LEU LEU TRP GLU ILE ALA THR SEQRES 17 A 287 TYR GLY MET SER PRO TYR PRO GLY ILE ASP LEU SER GLN SEQRES 18 A 287 VAL TYR GLU LEU LEU GLU LYS ASP TYR ARG MET GLU ARG SEQRES 19 A 287 PRO GLU GLY CYS PRO GLU LYS VAL TYR GLU LEU MET ARG SEQRES 20 A 287 ALA CYS TRP GLN TRP ASN PRO SER ASP ARG PRO SER PHE SEQRES 21 A 287 ALA GLU ILE HIS GLN ALA PHE GLU THR MET PHE GLN GLU SEQRES 22 A 287 SER SER ILE SER ASP GLU VAL GLU LYS GLU LEU GLY LYS SEQRES 23 A 287 GLN HET VX6 A 514 33 HETNAM VX6 CYCLOPROPANECARBOXYLIC ACID {4-[4-(4-METHYL-PIPERAZIN- HETNAM 2 VX6 1-YL)-6-(5-METHYL-2H-PYRAZOL-3-YLAMINO)-PYRIMIDIN-2- HETNAM 3 VX6 YLSULFANYL]-PHENYL}-AMIDE FORMUL 2 VX6 C23 H28 N8 O S FORMUL 3 HOH *211(H2 O) HELIX 1 1 GLU A 238 THR A 240 5 3 HELIX 2 2 GLY A 249 GLN A 252 5 4 HELIX 3 3 LYS A 263 SER A 265 5 3 HELIX 4 4 GLU A 279 LYS A 291 1 13 HELIX 5 5 ASN A 322 CYS A 330 1 9 HELIX 6 6 ASN A 336 ASN A 358 1 23 HELIX 7 7 ALA A 365 ARG A 367 5 3 HELIX 8 8 GLU A 373 HIS A 375 5 3 HELIX 9 9 PRO A 402 THR A 406 5 5 HELIX 10 10 ALA A 407 ASN A 414 1 8 HELIX 11 11 SER A 417 THR A 434 1 18 HELIX 12 12 ASP A 444 SER A 446 5 3 HELIX 13 13 GLN A 447 LYS A 454 1 8 HELIX 14 14 PRO A 465 TRP A 476 1 12 HELIX 15 15 ASN A 479 ARG A 483 5 5 HELIX 16 16 SER A 485 LEU A 510 1 26 SHEET 1 A 5 ILE A 242 LYS A 247 0 SHEET 2 A 5 VAL A 256 TRP A 261 -1 O VAL A 260 N THR A 243 SHEET 3 A 5 LEU A 266 THR A 272 -1 O VAL A 270 N TYR A 257 SHEET 4 A 5 TYR A 312 GLU A 316 -1 O ILE A 313 N LYS A 271 SHEET 5 A 5 LEU A 301 CYS A 305 -1 N LEU A 302 O ILE A 314 SHEET 1 B 2 PHE A 359 ILE A 360 0 SHEET 2 B 2 ARG A 386 LEU A 387 -1 O ARG A 386 N ILE A 360 SHEET 1 C 2 CYS A 369 VAL A 371 0 SHEET 2 C 2 VAL A 377 VAL A 379 -1 O LYS A 378 N LEU A 370 SHEET 1 D 2 TYR A 393 THR A 394 0 SHEET 2 D 2 LYS A 415 PHE A 416 -1 O PHE A 416 N TYR A 393 SITE 1 AC1 16 HOH A 9 HOH A 16 GLY A 249 TYR A 253 SITE 2 AC1 16 VAL A 256 ALA A 269 LYS A 271 GLU A 286 SITE 3 AC1 16 THR A 315 GLU A 316 PHE A 317 MET A 318 SITE 4 AC1 16 THR A 319 GLY A 321 LEU A 370 ASP A 381 CRYST1 44.768 59.417 66.896 90.00 98.42 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 0.022337 0.000000 0.003306 0.00000 SCALE2 0.000000 0.016830 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015111 0.00000