HEADER TRANSFERASE/TRANSFERASE INHIBITOR 01-OCT-12 4HCU TITLE CRYSTAL STRUCTURE OF ITK IN COMPLEXT WITH COMPOUND 40 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYROSINE-PROTEIN KINASE ITK/TSK; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 354-620; COMPND 5 SYNONYM: INTERLEUKIN-2-INDUCIBLE T-CELL KINASE, IL-2-INDUCIBLE T-CELL COMPND 6 KINASE, KINASE EMT, T-CELL-SPECIFIC KINASE, TYROSINE-PROTEIN KINASE COMPND 7 LYK; COMPND 8 EC: 2.7.10.2; COMPND 9 ENGINEERED: YES; COMPND 10 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: ITK, EMT, LYK; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS KINASE, TRANSFERASE-TRANSFERASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.HAN,N.CASPERS REVDAT 3 06-MAR-24 4HCU 1 REMARK SEQADV LINK REVDAT 2 02-JAN-13 4HCU 1 JRNL REVDAT 1 14-NOV-12 4HCU 0 JRNL AUTH C.W.ZAPF,B.S.GERSTENBERGER,L.XING,D.C.LIMBURG,D.R.ANDERSON, JRNL AUTH 2 N.CASPERS,S.HAN,A.AULABAUGH,R.KURUMBAIL,S.SHAKYA,X.LI, JRNL AUTH 3 V.SPAULDING,R.M.CZERWINSKI,N.SETH,Q.G.MEDLEY JRNL TITL COVALENT INHIBITORS OF INTERLEUKIN-2 INDUCIBLE T CELL KINASE JRNL TITL 2 (ITK) WITH NANOMOLAR POTENCY IN A WHOLE-BLOOD ASSAY. JRNL REF J.MED.CHEM. V. 55 10047 2012 JRNL REFN ISSN 0022-2623 JRNL PMID 23098091 JRNL DOI 10.1021/JM301190S REMARK 2 REMARK 2 RESOLUTION. 1.43 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.2 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.43 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.94 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 45361 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) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.191 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.060 REMARK 3 FREE R VALUE TEST SET COUNT : 2295 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.43 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.47 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.32 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2566 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.1804 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2434 REMARK 3 BIN R VALUE (WORKING SET) : 0.1780 REMARK 3 BIN FREE R VALUE : 0.2255 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.14 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 132 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2114 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 38 REMARK 3 SOLVENT ATOMS : 224 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.52 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.44 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.12700 REMARK 3 B22 (A**2) : 1.33160 REMARK 3 B33 (A**2) : 1.79540 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.25280 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.177 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.063 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.960 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.952 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2207 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 2986 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS : NULL ; NULL ; NULL REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : NULL ; NULL ; NULL REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : NULL ; NULL ; NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.03 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : NULL REMARK 3 OTHER TORSION ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|356 - A|618 } REMARK 3 ORIGIN FOR THE GROUP (A): 4.3856 2.6048 11.2651 REMARK 3 T TENSOR REMARK 3 T11: -0.0078 T22: -0.0031 REMARK 3 T33: -0.0105 T12: -0.0017 REMARK 3 T13: -0.0084 T23: 0.0069 REMARK 3 L TENSOR REMARK 3 L11: 0.1781 L22: 0.3476 REMARK 3 L33: 0.5237 L12: -0.0266 REMARK 3 L13: -0.0559 L23: -0.0023 REMARK 3 S TENSOR REMARK 3 S11: -0.0010 S12: 0.0042 S13: 0.0145 REMARK 3 S21: 0.0121 S22: 0.0073 S23: -0.0135 REMARK 3 S31: 0.0154 S32: 0.0064 S33: -0.0062 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4HCU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-OCT-12. REMARK 100 THE DEPOSITION ID IS D_1000075305. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-SEP-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID 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 : MIRROR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AUTOPROC, SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45397 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.430 REMARK 200 RESOLUTION RANGE LOW (A) : 38.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 1.43 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: FOURIER SYNTHESIS 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 (%): 41.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12% PEG 3350, 0.1M MG ACETATE, 0.1M REMARK 280 HEPES , PH 7.2, VAPOR DIFFUSION, HANGING DROP, 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 34.02500 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 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 GLY A 352 REMARK 465 SER A 353 REMARK 465 GLY A 354 REMARK 465 LYS A 355 REMARK 465 GLY A 619 REMARK 465 LEU A 620 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OG SER A 399 O HOH A 1020 2.03 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 ASN A 384 15.07 59.44 REMARK 500 LYS A 385 -81.21 -122.67 REMARK 500 ARG A 481 -21.62 87.80 REMARK 500 ASP A 482 51.30 -147.36 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 13L A 701 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4HCT RELATED DB: PDB REMARK 900 RELATED ID: 4HCV RELATED DB: PDB DBREF 4HCU A 354 620 UNP Q08881 ITK_HUMAN 354 620 SEQADV 4HCU GLY A 352 UNP Q08881 EXPRESSION TAG SEQADV 4HCU SER A 353 UNP Q08881 EXPRESSION TAG SEQADV 4HCU ARG A 596 UNP Q08881 LYS 596 ENGINEERED MUTATION SEQRES 1 A 269 GLY SER GLY LYS TRP VAL ILE ASP PRO SER GLU LEU THR SEQRES 2 A 269 PHE VAL GLN GLU ILE GLY SER GLY GLN PHE GLY LEU VAL SEQRES 3 A 269 HIS LEU GLY TYR TRP LEU ASN LYS ASP LYS VAL ALA ILE SEQRES 4 A 269 LYS THR ILE ARG GLU GLY ALA MET SER GLU GLU ASP PHE SEQRES 5 A 269 ILE GLU GLU ALA GLU VAL MET MET LYS LEU SER HIS PRO SEQRES 6 A 269 LYS LEU VAL GLN LEU TYR GLY VAL CYS LEU GLU GLN ALA SEQRES 7 A 269 PRO ILE CYS LEU VAL PHE GLU PHE MET GLU HIS GLY CYS SEQRES 8 A 269 LEU SER ASP TYR LEU ARG THR GLN ARG GLY LEU PHE ALA SEQRES 9 A 269 ALA GLU THR LEU LEU GLY MET CYS LEU ASP VAL CYS GLU SEQRES 10 A 269 GLY MET ALA TYR LEU GLU GLU ALA CYS VAL ILE HIS ARG SEQRES 11 A 269 ASP LEU ALA ALA ARG ASN CYS LEU VAL GLY GLU ASN GLN SEQRES 12 A 269 VAL ILE LYS VAL SER ASP PHE GLY MET THR ARG PHE VAL SEQRES 13 A 269 LEU ASP ASP GLN TYR THR SER SER THR GLY THR LYS PHE SEQRES 14 A 269 PRO VAL LYS TRP ALA SER PRO GLU VAL PHE SER PHE SER SEQRES 15 A 269 ARG TYR SER SER LYS SER ASP VAL TRP SER PHE GLY VAL SEQRES 16 A 269 LEU MET TRP GLU VAL PHE SER GLU GLY LYS ILE PRO TYR SEQRES 17 A 269 GLU ASN ARG SER ASN SER GLU VAL VAL GLU ASP ILE SER SEQRES 18 A 269 THR GLY PHE ARG LEU TYR LYS PRO ARG LEU ALA SER THR SEQRES 19 A 269 HIS VAL TYR GLN ILE MET ASN HIS CYS TRP ARG GLU ARG SEQRES 20 A 269 PRO GLU ASP ARG PRO ALA PHE SER ARG LEU LEU ARG GLN SEQRES 21 A 269 LEU ALA GLU ILE ALA GLU SER GLY LEU HET 13L A 701 38 HETNAM 13L 3-{4-AMINO-1-[(3R)-1-PROPANOYLPIPERIDIN-3-YL]-1H- HETNAM 2 13L PYRAZOLO[3,4-D]PYRIMIDIN-3-YL}-N-[4-(PROPAN-2-YL) HETNAM 3 13L PHENYL]BENZAMIDE FORMUL 2 13L C29 H33 N7 O2 FORMUL 3 HOH *224(H2 O) HELIX 1 1 ASP A 359 SER A 361 5 3 HELIX 2 2 SER A 399 LYS A 412 1 14 HELIX 3 3 CYS A 442 THR A 449 1 8 HELIX 4 4 ALA A 455 ALA A 476 1 22 HELIX 5 5 ALA A 484 ARG A 486 5 3 HELIX 6 6 GLU A 492 GLN A 494 5 3 HELIX 7 7 GLY A 502 VAL A 507 5 6 HELIX 8 8 ASP A 509 SER A 514 1 6 HELIX 9 9 PRO A 521 ALA A 525 5 5 HELIX 10 10 SER A 526 SER A 533 1 8 HELIX 11 11 SER A 536 SER A 553 1 18 HELIX 12 12 SER A 563 THR A 573 1 11 HELIX 13 13 SER A 584 TRP A 595 1 12 HELIX 14 14 ARG A 598 ARG A 602 5 5 HELIX 15 15 ALA A 604 SER A 618 1 15 SHEET 1 A 5 LEU A 363 SER A 371 0 SHEET 2 A 5 LEU A 376 TRP A 382 -1 O LEU A 379 N GLN A 367 SHEET 3 A 5 ASP A 386 ILE A 393 -1 O ILE A 390 N HIS A 378 SHEET 4 A 5 ILE A 431 GLU A 436 -1 O PHE A 435 N ALA A 389 SHEET 5 A 5 LEU A 421 CYS A 425 -1 N TYR A 422 O VAL A 434 SHEET 1 B 2 CYS A 488 VAL A 490 0 SHEET 2 B 2 ILE A 496 VAL A 498 -1 O LYS A 497 N LEU A 489 LINK SG CYS A 442 C25 13L A 701 1555 1555 1.82 CISPEP 1 ALA A 429 PRO A 430 0 2.42 SITE 1 AC1 14 ILE A 369 ALA A 389 LYS A 391 ILE A 393 SITE 2 AC1 14 PHE A 435 GLU A 436 MET A 438 GLY A 441 SITE 3 AC1 14 CYS A 442 ASP A 445 LEU A 489 ASP A 500 SITE 4 AC1 14 MET A 503 HOH A 865 CRYST1 41.530 68.050 49.230 90.00 111.42 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 0.024079 0.000000 0.009446 0.00000 SCALE2 0.000000 0.014695 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021820 0.00000