HEADER HYDROLASE 04-SEP-98 1BUL TITLE 6ALPHA-(HYDROXYPROPYL)PENICILLANATE ACYLATED ON NMC-A BETA-LACTAMASE TITLE 2 FROM ENTEROBACTER CLOACAE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NMC-A BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.2.6; COMPND 5 OTHER_DETAILS: ACYL-ENZYME COMPLEX SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTER CLOACAE; SOURCE 3 ORGANISM_TAXID: 550; SOURCE 4 STRAIN: NOR-1 KEYWDS HYDROLASE, ANTIBIOTIC RESISTANCE, CLASS A CARBAPENEMASE EXPDTA X-RAY DIFFRACTION AUTHOR L.MOUREY,P.SWAREN,K.MIYASHITA,A.BULYCHEV,S.MOBASHERY,J.P.SAMAMA REVDAT 4 03-APR-24 1BUL 1 REMARK LINK REVDAT 3 24-FEB-09 1BUL 1 VERSN REVDAT 2 15-JUN-99 1BUL 3 HET REMARK TITLE HETATM REVDAT 2 2 3 SCALE LINK AUTHOR FORMUL REVDAT 2 3 3 JRNL HETSYN CONECT HETNAM REVDAT 1 30-DEC-98 1BUL 0 JRNL AUTH L.MOUREY,P.SWAREN,K.MIYASHITA,A.BULYCHEV,S.MOBASHERY, JRNL AUTH 2 J.P.SAMAMA JRNL TITL INHIBITION OF THE NMC-A B-LACTAMASE BY A PENICILLANIC ACID JRNL TITL 2 DERIVATIVE, AND THE STRUCTURAL BASES FOR THE INCREASE IN JRNL TITL 3 SUBSTRATE PROFILE OF THIS ANTIBIOTIC RESISTANCE ENZYME JRNL REF J.AM.CHEM.SOC. V. 120 9382 1998 JRNL REFN ISSN 0002-7863 REMARK 2 REMARK 2 RESOLUTION. 1.89 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.89 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.60 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 22005 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) : 0.209 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1625 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.89 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.98 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2458 REMARK 3 BIN R VALUE (WORKING SET) : 0.3170 REMARK 3 BIN FREE R VALUE : 0.3700 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 182 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.027 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2043 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 53 REMARK 3 SOLVENT ATOMS : 191 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 8.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : 0.21 REMARK 3 LOW RESOLUTION CUTOFF (A) : 18.6 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.200 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 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : MES.PAR REMARK 3 PARAMETER FILE 3 : PROPYL.PAR REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : MES.TOP REMARK 3 TOPOLOGY FILE 3 : PROPYL.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT CORRECTION USED WITH A REMARK 3 DENSITY OF 0.33 E-/A**3, SOLVENT RADIUS OF 0.25 ANGSTROMS AND B REMARK 3 VALUES OF 50 A**2. REMARK 4 REMARK 4 1BUL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172096. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-OCT-97 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LURE REMARK 200 BEAMLINE : DW32 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.970 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM, ROTAVATA, AGROVATA REMARK 200 DATA SCALING SOFTWARE : CCP4 (AGROVATA, ROTAVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22025 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.890 REMARK 200 RESOLUTION RANGE LOW (A) : 18.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.89 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.96 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.09800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: THE NMC-A BETA-LACTAMASE STRUCTURE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% (W/V)PEG 1500, 0.200 M MES PH REMARK 280 5.25, 6% (V/V) N-PROPANOL, PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 38.77500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.23000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.77500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.23000 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 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 400 REMARK 400 COMPOUND REMARK 400 THE STRUCTURE DEPOSITED IS AN ACYL-ENZYME COMPLEX BETWEEN REMARK 400 6 ALPHA-(HYDROXYPROPYL)PENICILLANIC ACID AND THE NMC-A REMARK 400 BETA-LACTAMASE FROM ENTEROBACTER CLOACAE NOR-1. THE REMARK 400 ACYLATED RESIDUE IS SER 70. REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 253 CE NZ REMARK 470 LYS A 273 CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 269 C LYS A 270 N -0.145 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 28 128.73 -38.97 REMARK 500 CYS A 69 -145.20 57.97 REMARK 500 TYR A 97 28.34 -151.67 REMARK 500 HIS A 105 72.93 66.57 REMARK 500 ARG A 220 -121.61 -104.01 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 AP3 A 292 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MES A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MES A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MES A 303 DBREF 1BUL A 26 291 UNP P52663 BLAN_ENTCL 28 292 SEQRES 1 A 265 ASN THR LYS GLY ILE ASP GLU ILE LYS ASN LEU GLU THR SEQRES 2 A 265 ASP PHE ASN GLY ARG ILE GLY VAL TYR ALA LEU ASP THR SEQRES 3 A 265 GLY SER GLY LYS SER PHE SER TYR ARG ALA ASN GLU ARG SEQRES 4 A 265 PHE PRO LEU CYS SER SER PHE LYS GLY PHE LEU ALA ALA SEQRES 5 A 265 ALA VAL LEU LYS GLY SER GLN ASP ASN ARG LEU ASN LEU SEQRES 6 A 265 ASN GLN ILE VAL ASN TYR ASN THR ARG SER LEU GLU PHE SEQRES 7 A 265 HIS SER PRO ILE THR THR LYS TYR LYS ASP ASN GLY MET SEQRES 8 A 265 SER LEU GLY ASP MET ALA ALA ALA ALA LEU GLN TYR SER SEQRES 9 A 265 ASP ASN GLY ALA THR ASN ILE ILE LEU GLU ARG TYR ILE SEQRES 10 A 265 GLY GLY PRO GLU GLY MET THR LYS PHE MET ARG SER ILE SEQRES 11 A 265 GLY ASP GLU ASP PHE ARG LEU ASP ARG TRP GLU LEU ASP SEQRES 12 A 265 LEU ASN THR ALA ILE PRO GLY ASP GLU ARG ASP THR SER SEQRES 13 A 265 THR PRO ALA ALA VAL ALA LYS SER LEU LYS THR LEU ALA SEQRES 14 A 265 LEU GLY ASN ILE LEU SER GLU HIS GLU LYS GLU THR TYR SEQRES 15 A 265 GLN THR TRP LEU LYS GLY ASN THR THR GLY ALA ALA ARG SEQRES 16 A 265 ILE ARG ALA SER VAL PRO SER ASP TRP VAL VAL GLY ASP SEQRES 17 A 265 LYS THR GLY SER CYS GLY ALA TYR GLY THR ALA ASN ASP SEQRES 18 A 265 TYR ALA VAL VAL TRP PRO LYS ASN ARG ALA PRO LEU ILE SEQRES 19 A 265 ILE SER VAL TYR THR THR LYS ASN GLU LYS GLU ALA LYS SEQRES 20 A 265 HIS GLU ASP LYS VAL ILE ALA GLU ALA SER ARG ILE ALA SEQRES 21 A 265 ILE ASP ASN LEU LYS HET AP3 A 292 17 HET MES A 301 12 HET MES A 302 12 HET MES A 303 12 HETNAM AP3 2-(1-CARBOXY-2-HYDROXY-2-METHYL-PROPYL)-5,5-DIMETHYL- HETNAM 2 AP3 THIAZOLIDINE-4-CARBOXYLIC ACID HETNAM MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID FORMUL 2 AP3 C11 H19 N O5 S FORMUL 3 MES 3(C6 H13 N O4 S) FORMUL 6 HOH *191(H2 O) HELIX 1 1 ILE A 30 PHE A 40 1 11 HELIX 2 2 CYS A 69 GLN A 85 5 17 HELIX 3 3 PRO A 107 LYS A 111 1 5 HELIX 4 4 LEU A 119 GLN A 128 1 10 HELIX 5 5 ASN A 132 ARG A 140A 1 10 HELIX 6 6 GLY A 144 ILE A 155 1 12 HELIX 7 7 ASP A 168 ASN A 170 5 3 HELIX 8 8 PRO A 183 LEU A 195 1 13 HELIX 9 9 GLU A 201 LYS A 212 1 12 HELIX 10 10 ILE A 221 SER A 224 5 4 HELIX 11 11 ASP A 276 ASN A 289 1 14 SHEET 1 A 5 SER A 56 TYR A 60 0 SHEET 2 A 5 ARG A 43 ASP A 50 -1 N ALA A 48 O PHE A 57 SHEET 3 A 5 PRO A 258 THR A 266 -1 N THR A 266 O ARG A 43 SHEET 4 A 5 ALA A 244 TRP A 251 -1 N VAL A 250 O LEU A 259 SHEET 5 A 5 VAL A 230 SER A 237 -1 N GLY A 236 O ASN A 245 SHEET 1 B 2 ARG A 65 PRO A 67 0 SHEET 2 B 2 THR A 180 THR A 182 -1 N SER A 181 O PHE A 66 SSBOND 1 CYS A 69 CYS A 238 1555 1555 2.04 LINK OG SER A 70 C1 AP3 A 292 1555 1555 1.42 CISPEP 1 GLU A 166 LEU A 167 0 0.35 SITE 1 AC1 11 SER A 70 LYS A 73 SER A 130 ASN A 132 SITE 2 AC1 11 GLU A 166 ASN A 170 THR A 216 THR A 235 SITE 3 AC1 11 SER A 237 HOH A 430 HOH A 471 SITE 1 AC2 7 THR A 99 ARG A 100 SER A 101 SER A 224 SITE 2 AC2 7 TRP A 229 ILE A 287 ASP A 288 SITE 1 AC3 7 ASN A 26 THR A 27 LYS A 28 ARG A 65 SITE 2 AC3 7 GLU A 177 LYS A 291 MES A 303 SITE 1 AC4 6 LYS A 28 ARG A 100 ASN A 136 GLU A 140 SITE 2 AC4 6 TRP A 165 MES A 302 CRYST1 77.550 52.460 67.220 90.00 90.00 90.00 P 21 21 2 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 0.012895 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019062 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014877 0.00000