HEADER LIGASE/ANTAGONIST 12-FEB-13 4J74 TITLE THE 1.2A CRYSTAL STRUCTURE OF HUMANIZED XENOPUS MDM2 WITH RO0503918 - TITLE 2 A NUTLIN FRAGMENT COMPND MOL_ID: 1; COMPND 2 MOLECULE: E3 UBIQUITIN-PROTEIN LIGASE MDM2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL DOMAIN (UNP RESIDUES 21-105); COMPND 5 SYNONYM: DOUBLE MINUTE 2 PROTEIN, XDM2, P53-BINDING PROTEIN MDM2; COMPND 6 EC: 6.3.2.-; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 3 ORGANISM_COMMON: CLAWED FROG,COMMON PLATANNA,PLATANNA; SOURCE 4 ORGANISM_TAXID: 8355; SOURCE 5 GENE: MDM2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PUBS 520 KEYWDS MDM2, IMIDAZOLINE, LIGASE-ANTAGONIST COMPLEX, E3 UBIQUITIN LIGASE, KEYWDS 2 P53, NUCLEUS EXPDTA X-RAY DIFFRACTION AUTHOR C.JANSON,C.LUKACS,U.KAMMLOTT,B.GRAVES REVDAT 3 28-FEB-24 4J74 1 REMARK SEQADV REVDAT 2 24-SEP-14 4J74 1 JRNL REVDAT 1 07-AUG-13 4J74 0 JRNL AUTH D.C.FRY,C.WARTCHOW,B.GRAVES,C.JANSON,C.LUKACS,U.KAMMLOTT, JRNL AUTH 2 C.BELUNIS,S.PALME,C.KLEIN,B.VU JRNL TITL DECONSTRUCTION OF A NUTLIN: DISSECTING THE BINDING JRNL TITL 2 DETERMINANTS OF A POTENT PROTEIN-PROTEIN INTERACTION JRNL TITL 3 INHIBITOR. JRNL REF ACS MED CHEM LETT V. 4 660 2013 JRNL REFN ISSN 1948-5875 JRNL PMID 24900726 JRNL DOI 10.1021/ML400062C REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.VU,P.WOVKULICH,G.PIZZOLATO,N.JIANG,Q.DING,J.-J.LIU, REMARK 1 AUTH 2 A.LOVEY,C.ZHAO,K.GLENN,Y.WEN,C.TOVAR,T.THOMPSON,L.VASSILEV, REMARK 1 AUTH 3 B.GRAVES REMARK 1 TITL DISCOVERY OF RG7112: A SMALL-MOLECULE MDM2 ANTAGONIST IN REMARK 1 TITL 2 CLINICAL DEVELOPMENT REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH C.TOVAR,B.GRAVES,K.PACKMAN,Z.FILIPOVIC,B.HIGGINS,M.XIA, REMARK 1 AUTH 2 C.TARDELL,R.GARRIDO,E.LEE,M.LINN,F.PODLASKI,P.WOVKULICH, REMARK 1 AUTH 3 B.VU,L.T.VASSILEV REMARK 1 TITL MDM2 ANTAGONIST, RG7112, ACTIVATES P53 SIGNALLING AND REMARK 1 TITL 2 REGRESSES HUMAN TUMORS IN PRECLINICAL CANCER MODELS REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 3 REMARK 1 AUTH L.T.VASSILEV,B.T.VU,B.GRAVES,D.CARVAJAL,F.PODLASKI, REMARK 1 AUTH 2 Z.FILIPOVIC,N.KONG,U.KAMMLOTT,C.LUKACS,C.KLEIN,N.FOTOUHI, REMARK 1 AUTH 3 E.A.LIU REMARK 1 TITL IN VIVO ACTIVATION OF THE P53 PATHWAY BY SMALL-MOLECULE REMARK 1 TITL 2 ANTAGONISTS OF MDM2. REMARK 1 REF SCIENCE V. 303 844 2004 REMARK 1 REFN ISSN 0036-8075 REMARK 1 PMID 14704432 REMARK 1 DOI 10.1126/SCIENCE.1092472 REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX 2005 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.40 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1760342.390 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.6 REMARK 3 NUMBER OF REFLECTIONS : 29710 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) : 0.229 REMARK 3 R VALUE (WORKING SET) : 0.229 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1456 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.2660 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.2650 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.276 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1456 REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : 0.0070 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 29710 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) : 1.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.21 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4401 REMARK 3 BIN R VALUE (WORKING SET) : 0.3264 REMARK 3 BIN FREE R VALUE : 0.4169 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 33 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 : 698 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 REMARK 3 SOLVENT ATOMS : 116 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 11.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.74000 REMARK 3 B22 (A**2) : 5.07000 REMARK 3 B33 (A**2) : -1.33000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.15 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) : 0.18 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.820 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.120 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.730 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.090 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.060 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 53.61 REMARK 3 REMARK 3 NCS MODEL : NONE 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.PARA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : RO0503918.PRX REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : RO0503918.TPX REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4J74 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAR-13. REMARK 100 THE DEPOSITION ID IS D_1000077679. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-AUG-12 REMARK 200 TEMPERATURE (KELVIN) : 77 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X10SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34640 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.120 REMARK 200 RESOLUTION RANGE LOW (A) : 65.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.3 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.05800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.12 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.90 REMARK 200 R MERGE FOR SHELL (I) : 0.51200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 40-50% SATURATED AMMONIUM SULFATE, REMARK 280 0.1M MES, PH 6.5, 5% PEG200, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 278.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.59150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.59150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 21.47500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.27700 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 21.47500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.27700 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 33.59150 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 21.47500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 34.27700 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 33.59150 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 21.47500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 34.27700 REMARK 290 SMTRY3 8 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: THE N-TERMINAL DOMAIN OF MDM2 EXISTS AS A MONOMER WHILE THE REMARK 300 FULL-LENGTH MOLECULE FORMS DIMERS 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I18 A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I18 A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4IPF RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH RG7112 BOUND REMARK 900 RELATED ID: 1RV1 RELATED DB: PDB REMARK 900 HUMAN MDM2 WITH NUTLIN-2 BOUND REMARK 900 RELATED ID: 4J3E RELATED DB: PDB REMARK 900 SAME PROTEIN WITH NUTLIN-3 BOUND REMARK 900 RELATED ID: 4J7D RELATED DB: PDB REMARK 900 RELATED ID: 4J7E RELATED DB: PDB DBREF 4J74 A 21 105 UNP P56273 MDM2_XENLA 21 105 SEQADV 4J74 MET A 20 UNP P56273 INITIATING METHIONINE SEQADV 4J74 LEU A 50 UNP P56273 ILE 50 ENGINEERED MUTATION SEQADV 4J74 HIS A 92 UNP P56273 PRO 92 ENGINEERED MUTATION SEQADV 4J74 ILE A 95 UNP P56273 LEU 95 ENGINEERED MUTATION SEQRES 1 A 86 MET GLU LYS LEU VAL GLN PRO THR PRO LEU LEU LEU SER SEQRES 2 A 86 LEU LEU LYS SER ALA GLY ALA GLN LYS GLU THR PHE THR SEQRES 3 A 86 MET LYS GLU VAL LEU TYR HIS LEU GLY GLN TYR ILE MET SEQRES 4 A 86 ALA LYS GLN LEU TYR ASP GLU LYS GLN GLN HIS ILE VAL SEQRES 5 A 86 HIS CYS SER ASN ASP PRO LEU GLY GLU LEU PHE GLY VAL SEQRES 6 A 86 GLN GLU PHE SER VAL LYS GLU HIS ARG ARG ILE TYR ALA SEQRES 7 A 86 MET ILE SER ARG ASN LEU VAL SER HET I18 A 201 20 HET I18 A 202 20 HET SO4 A 203 5 HETNAM I18 (4S,5R)-4,5-BIS(4-CHLOROPHENYL)-2-METHYL-4,5-DIHYDRO- HETNAM 2 I18 1H-IMIDAZOLE HETNAM SO4 SULFATE ION FORMUL 2 I18 2(C16 H14 CL2 N2) FORMUL 4 SO4 O4 S 2- FORMUL 5 HOH *116(H2 O) HELIX 1 1 THR A 27 ALA A 37 1 11 HELIX 2 2 THR A 45 LYS A 60 1 16 HELIX 3 3 PRO A 77 GLY A 83 1 7 HELIX 4 4 GLU A 91 ARG A 101 1 11 SHEET 1 A 2 ILE A 70 HIS A 72 0 SHEET 2 A 2 GLU A 86 SER A 88 -1 O PHE A 87 N VAL A 71 SITE 1 AC1 8 LEU A 50 TYR A 63 VAL A 89 HIS A 92 SITE 2 AC1 8 ILE A 95 TYR A 96 HOH A 341 HOH A 368 SITE 1 AC2 8 SER A 36 ALA A 37 GLN A 55 MET A 58 SITE 2 AC2 8 TYR A 63 GLN A 68 HOH A 344 HOH A 365 SITE 1 AC3 9 ASN A 75 GLU A 91 HIS A 92 ARG A 93 SITE 2 AC3 9 ARG A 94 HOH A 340 HOH A 356 HOH A 373 SITE 3 AC3 9 HOH A 381 CRYST1 42.950 68.554 67.183 90.00 90.00 90.00 C 2 2 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 0.023283 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014587 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014885 0.00000