HEADER HYDROLASE 27-MAY-06 2H5S TITLE SA2-13 PENAM SULFONE COMPLEXED TO WT SHV-1 BETA-LACTAMASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SHV-1 BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: EXTENDED-SPECTRUM BETA-LACTAMASE SHV-11, SHV TYPE EXTENDED COMPND 5 SPECTRUM BETA-LACTAMASE, BLA-SHV TYPE 1; COMPND 6 EC: 3.5.2.6; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: KLEBSIELLA PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 573; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI STR. K-12 SUBSTR. DH10B; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 316385; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: DH10B; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PBC SK(-) KEYWDS BETA-LACTAMASE INHIBITOR, DRUG DESIGN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR F.VAN DEN AKKER,P.S.PADAYATTI REVDAT 4 30-AUG-23 2H5S 1 REMARK LINK REVDAT 3 18-OCT-17 2H5S 1 REMARK REVDAT 2 24-FEB-09 2H5S 1 VERSN REVDAT 1 17-OCT-06 2H5S 0 JRNL AUTH P.S.PADAYATTI,A.SHERI,M.A.TOTIR,M.S.HELFAND,M.P.CAREY, JRNL AUTH 2 V.E.ANDERSON,P.R.CAREY,C.R.BETHEL,R.A.BONOMO,J.D.BUYNAK, JRNL AUTH 3 F.VAN DEN AKKER JRNL TITL RATIONAL DESIGN OF A BETA-LACTAMASE INHIBITOR ACHIEVED VIA JRNL TITL 2 STABILIZATION OF THE TRANS-ENAMINE INTERMEDIATE: 1.28 A JRNL TITL 3 CRYSTAL STRUCTURE OF WT SHV-1 COMPLEX WITH A PENAM SULFONE. JRNL REF J.AM.CHEM.SOC. V. 128 13235 2006 JRNL REFN ISSN 0002-7863 JRNL PMID 17017804 JRNL DOI 10.1021/JA063715W REMARK 2 REMARK 2 RESOLUTION. 1.28 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) : 1.28 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.22 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1288714.770 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 59293 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 SET) : 0.154 REMARK 3 FREE R VALUE : 0.167 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 6018 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.002 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.28 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.36 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 8606 REMARK 3 BIN R VALUE (WORKING SET) : 0.1700 REMARK 3 BIN FREE R VALUE : 0.1950 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 945 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.006 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2024 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 68 REMARK 3 SOLVENT ATOMS : 344 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 8.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.72000 REMARK 3 B22 (A**2) : -1.18000 REMARK 3 B33 (A**2) : 0.46000 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) : 0.11 REMARK 3 ESD FROM SIGMAA (A) : 0.04 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) : 0.12 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.06 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.070 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) : 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 : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 52.20 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : SA_PAR3.PAR REMARK 3 PARAMETER FILE 4 : NEW_CYMAL.PAR REMARK 3 PARAMETER FILE 5 : CIS167NEW.PAR REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NEW_LIGANDS5.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2H5S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JUN-06. REMARK 100 THE DEPOSITION ID IS D_1000037964. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-JUL-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SOFTWARE AT 19ID REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 59323 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.280 REMARK 200 RESOLUTION RANGE LOW (A) : 23.220 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03600 REMARK 200 FOR THE DATA SET : 41.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.28 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.33 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.16600 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: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1RCJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30%PEG6000, 0.1M HEPES, 0.56 MM CYMAL REMARK 280 -6, PH 7, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 24.90500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 42.21500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.61000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 42.21500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.90500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.61000 REMARK 290 SMTRY3 4 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: PROTEIN IS A MONOMER 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 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 MET A 69 -145.29 55.03 REMARK 500 TYR A 105 88.70 70.75 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 MA4 A 401 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SA2 A 611 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MA4 A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MA4 A 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1RCJ RELATED DB: PDB REMARK 900 TAZOBACTAM COMPLEXED TO THE E166A VARIANT OF SHV-1 BETA-LACTAMASE DBREF 2H5S A 26 290 UNP Q5PSW7 Q5PSW7_KLEPN 22 286 SEQRES 1 A 265 SER PRO GLN PRO LEU GLU GLN ILE LYS LEU SER GLU SER SEQRES 2 A 265 GLN LEU SER GLY ARG VAL GLY MET ILE GLU MET ASP LEU SEQRES 3 A 265 ALA SER GLY ARG THR LEU THR ALA TRP ARG ALA ASP GLU SEQRES 4 A 265 ARG PHE PRO MET MET SER THR PHE LYS VAL VAL LEU CYS SEQRES 5 A 265 GLY ALA VAL LEU ALA ARG VAL ASP ALA GLY ASP GLU GLN SEQRES 6 A 265 LEU GLU ARG LYS ILE HIS TYR ARG GLN GLN ASP LEU VAL SEQRES 7 A 265 ASP TYR SER PRO VAL SER GLU LYS HIS LEU ALA ASP GLY SEQRES 8 A 265 MET THR VAL GLY GLU LEU CYS ALA ALA ALA ILE THR MET SEQRES 9 A 265 SER ASP ASN SER ALA ALA ASN LEU LEU LEU ALA THR VAL SEQRES 10 A 265 GLY GLY PRO ALA GLY LEU THR ALA PHE LEU ARG GLN ILE SEQRES 11 A 265 GLY ASP ASN VAL THR ARG LEU ASP ARG TRP GLU THR GLU SEQRES 12 A 265 LEU ASN GLU ALA LEU PRO GLY ASP ALA ARG ASP THR THR SEQRES 13 A 265 THR PRO ALA SER MET ALA ALA THR LEU ARG LYS LEU LEU SEQRES 14 A 265 THR SER GLN ARG LEU SER ALA ARG SER GLN ARG GLN LEU SEQRES 15 A 265 LEU GLN TRP MET VAL ASP ASP ARG VAL ALA GLY PRO LEU SEQRES 16 A 265 ILE ARG SER VAL LEU PRO ALA GLY TRP PHE ILE ALA ASP SEQRES 17 A 265 LYS THR GLY ALA GLY GLU ARG GLY ALA ARG GLY ILE VAL SEQRES 18 A 265 ALA LEU LEU GLY PRO ASN ASN LYS ALA GLU ARG ILE VAL SEQRES 19 A 265 VAL ILE TYR LEU ARG ASP THR PRO ALA SER MET ALA GLU SEQRES 20 A 265 ARG ASN GLN GLN ILE ALA GLY ILE GLY ALA ALA LEU ILE SEQRES 21 A 265 GLU HIS TRP GLN ARG HET SA2 A 611 24 HET MA4 A 400 35 HET MA4 A 401 9 HETNAM SA2 (3R)-4-[(4-CARBOXYBUTANOYL)OXY]-N-[(1E)-3-OXOPROP-1-EN- HETNAM 2 SA2 1-YL]-3-SULFINO-D-VALINE HETNAM MA4 CYCLOHEXYL-HEXYL-BETA-D-MALTOSIDE HETSYN SA2 4-AZA-5-CARBOXY-6-SULFENATE-6-METHYL-8-OXA-9-OXO-TRIS- HETSYN 2 SA2 2-TRANS-DECENEDIOIC ACID FORMUL 2 SA2 C13 H19 N O9 S FORMUL 3 MA4 2(C24 H44 O11) FORMUL 5 HOH *344(H2 O) HELIX 1 1 GLN A 28 SER A 41 1 14 HELIX 2 2 THR A 71 ALA A 86 1 16 HELIX 3 3 ARG A 98 LEU A 102 5 5 HELIX 4 4 VAL A 108 LEU A 113 5 6 HELIX 5 5 VAL A 119 MET A 129 1 11 HELIX 6 6 ASP A 131 VAL A 142 1 12 HELIX 7 7 GLY A 143 ILE A 155 1 13 HELIX 8 8 THR A 167 GLU A 171 5 5 HELIX 9 9 THR A 182 SER A 196 1 15 HELIX 10 10 SER A 200 ASP A 213 1 14 HELIX 11 11 ALA A 217 LEU A 225 1 9 HELIX 12 12 SER A 271 HIS A 289 1 19 SHEET 1 A 5 THR A 56 TRP A 60 0 SHEET 2 A 5 ARG A 43 ASP A 50 -1 N GLU A 48 O LEU A 57 SHEET 3 A 5 ARG A 259 ARG A 266 -1 O ILE A 260 N MET A 49 SHEET 4 A 5 ARG A 244 GLY A 251 -1 N ARG A 244 O LEU A 265 SHEET 5 A 5 PHE A 230 ALA A 237 -1 N PHE A 230 O GLY A 251 SHEET 1 B 2 PHE A 66 PRO A 67 0 SHEET 2 B 2 THR A 180 THR A 181 -1 O THR A 181 N PHE A 66 SHEET 1 C 2 LYS A 94 ILE A 95 0 SHEET 2 C 2 MET A 117 THR A 118 -1 O MET A 117 N ILE A 95 SSBOND 1 CYS A 77 CYS A 123 1555 1555 2.06 LINK OG SER A 70 C7 SA2 A 611 1555 1555 1.40 CISPEP 1 GLU A 166 THR A 167 0 1.36 SITE 1 AC1 17 MET A 69 SER A 70 SER A 130 ASN A 132 SITE 2 AC1 17 THR A 167 ASN A 170 LYS A 234 THR A 235 SITE 3 AC1 17 GLY A 236 ALA A 237 HOH A 694 HOH A 765 SITE 4 AC1 17 HOH A 814 HOH A 838 HOH A 868 HOH A 904 SITE 5 AC1 17 HOH A 950 SITE 1 AC2 17 ARG A 93 HIS A 96 ARG A 98 VAL A 224 SITE 2 AC2 17 PRO A 226 ILE A 246 ALA A 248 VAL A 261 SITE 3 AC2 17 ILE A 263 ALA A 280 ALA A 284 GLU A 288 SITE 4 AC2 17 HOH A 613 HOH A 658 HOH A 705 HOH A 710 SITE 5 AC2 17 HOH A 876 SITE 1 AC3 2 ARG A 244 ILE A 279 CRYST1 49.810 55.220 84.430 90.00 90.00 90.00 P 21 21 21 4 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 0.020076 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018109 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011844 0.00000