HEADER LIGASE/ANTAGONIST 05-FEB-13 4J3E TITLE THE 1.9A CRYSTAL STRUCTURE OF HUMANIZED XENOPUS MDM2 WITH NUTLIN-3A 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, PROTEIN-PROTEIN INTERACTION, IMIDAZOLINE, LIGASE-ANTAGONIST KEYWDS 2 COMPLEX, E3 UBIQUITIN LIGASE, P53, NUCLEUS EXPDTA X-RAY DIFFRACTION AUTHOR B.J.GRAVES,C.M.LUKACS,R.U.KAMMLOTT,R.CROWTHER REVDAT 3 28-FEB-24 4J3E 1 REMARK SEQADV REVDAT 2 08-OCT-14 4J3E 1 JRNL REVDAT 1 24-APR-13 4J3E 0 JRNL AUTH B.VU,P.WOVKULICH,G.PIZZOLATO,A.LOVEY,Q.DING,N.JIANG,J.J.LIU, JRNL AUTH 2 C.ZHAO,K.GLENN,Y.WEN,C.TOVAR,K.PACKMAN,L.VASSILEV,B.GRAVES JRNL TITL DISCOVERY OF RG7112: A SMALL-MOLECULE MDM2 INHIBITOR IN JRNL TITL 2 CLINICAL DEVELOPMENT. JRNL REF ACS MED CHEM LETT V. 4 466 2013 JRNL REFN ISSN 1948-5875 JRNL PMID 24900694 JRNL DOI 10.1021/ML4000657 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.TOVAR,B.GRAVES,K.PACKMAN,Z.FILIPOVIC,B.H.XIA,C.TARDELL, REMARK 1 AUTH 2 R.GARRIDO,E.LEE,K.KOLINSKY,K.H.TO,M.LINN,F.PODLASKI, REMARK 1 AUTH 3 P.WOVKULICH,B.VU,L.T.VASSILEV REMARK 1 TITL MDM2 SMALL-MOLECULE ANTAGONIST RG7112 ACTIVATES P53 REMARK 1 TITL 2 SIGNALING AND REGRESSES HUMAN TUMORS IN PRECLINICAL CANCER REMARK 1 TITL 3 MODELS. REMARK 1 REF CANCER RES. V. 73 2587 2013 REMARK 1 REFN ISSN 0008-5472 REMARK 1 PMID 23400593 REMARK 1 DOI 10.1158/0008-5472.CAN-12-2807 REMARK 1 REFERENCE 2 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. 1.91 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) : 1.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.63 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1199476.880 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.6 REMARK 3 NUMBER OF REFLECTIONS : 7488 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) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 384 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.1960 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.1940 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 384 REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : 0.0120 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 7488 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) : 2.00 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 985 REMARK 3 BIN R VALUE (WORKING SET) : 0.1700 REMARK 3 BIN FREE R VALUE : 0.2380 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 48 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 : 128 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.59000 REMARK 3 B22 (A**2) : -0.39000 REMARK 3 B33 (A**2) : 0.98000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.05 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.13 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.130 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) : 1.400 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.160 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.240 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.200 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 46.86 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 : RO4435385.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 : RO4435385.TPX REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4J3E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-FEB-13. REMARK 100 THE DEPOSITION ID IS D_1000077545. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-APR-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7488 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.910 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 (%) : 95.3 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.03900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 46.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.98 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 0.06400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 29.80 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 (%): 49.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM ADA, PH 6, 50% SATURATED REMARK 280 AMMONIUM SULFATE, 5% PEG200, 5 MM DTT RESERVOIR MIXED IN EQUAL REMARK 280 VOLUME WITH THE PROTEIN AT 10 MG/ML, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 278K, PH 6.0 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 33.58650 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 33.58650 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 21.44350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.82850 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 21.44350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.82850 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 33.58650 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 21.44350 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 33.82850 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 33.58650 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 21.44350 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 33.82850 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 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 423 LIES ON A SPECIAL POSITION. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NUT A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4IPF RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH RO5045337 REMARK 900 RELATED ID: 1RV1 RELATED DB: PDB REMARK 900 HUMAN MDM2 COMPLEXED WITH NUTLIN-2 DBREF 4J3E A 21 105 UNP P56273 MDM2_XENLA 21 105 SEQADV 4J3E MET A 20 UNP P56273 INITIATING METHIONINE SEQADV 4J3E LEU A 50 UNP P56273 ILE 50 ENGINEERED MUTATION SEQADV 4J3E HIS A 92 UNP P56273 PRO 92 ENGINEERED MUTATION SEQADV 4J3E 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 NUT A 201 40 HET SO4 A 202 5 HETNAM NUT 4-({(4S,5R)-4,5-BIS(4-CHLOROPHENYL)-2-[4-METHOXY-2- HETNAM 2 NUT (PROPAN-2-YLOXY)PHENYL]-4,5-DIHYDRO-1H-IMIDAZOL-1- HETNAM 3 NUT YL}CARBONYL)PIPERAZIN-2-ONE HETNAM SO4 SULFATE ION HETSYN NUT NUTLIN 3A FORMUL 2 NUT C30 H30 CL2 N4 O4 FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *128(H2 O) HELIX 1 1 THR A 27 ALA A 37 1 11 HELIX 2 2 THR A 45 GLN A 61 1 17 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 13 LEU A 50 LEU A 53 GLY A 54 GLN A 55 SITE 2 AC1 13 ILE A 57 MET A 58 VAL A 89 HIS A 92 SITE 3 AC1 13 ILE A 95 TYR A 96 HOH A 306 HOH A 308 SITE 4 AC1 13 HOH A 347 SITE 1 AC2 10 MET A 20 ASN A 75 GLU A 91 HIS A 92 SITE 2 AC2 10 ARG A 93 ARG A 94 HOH A 311 HOH A 335 SITE 3 AC2 10 HOH A 341 HOH A 388 CRYST1 42.887 67.657 67.173 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 0.023317 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014780 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014887 0.00000