HEADER HYDROLASE/ANTIBIOTIC 28-MAY-10 3N8L TITLE CRYSTAL STRUCTURE OF BLAC-E166A COVALENTLY BOUND WITH AMPICILLIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PENICILLINASE; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 STRAIN: H37RV; SOURCE 5 GENE: BLAA, BLAC, MT2128, MTCY49.07C, RV2068C; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ROSETTA2; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS PENICILLIN BINDING PROTEIN, BETA-LACTAM COVALENT ADDUCT, HYDROLASE- KEYWDS 2 ANTIBIOTIC COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR L.W.TREMBLAY,J.S.BLANCHARD REVDAT 4 27-NOV-24 3N8L 1 REMARK SEQADV LINK REVDAT 3 08-NOV-17 3N8L 1 REMARK REVDAT 2 28-MAR-12 3N8L 1 HEADER KEYWDS REVDAT 1 14-DEC-11 3N8L 0 JRNL AUTH L.W.TREMBLAY,J.S.BLANCHARD JRNL TITL STRUCTURES OF BLAC-E166A COVALENTLY BOUND TO BETA-LACTAMS JRNL TITL 2 FROM ALL CLASSES. JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.10 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 48141 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) : 0.137 REMARK 3 R VALUE (WORKING SET) : 0.136 REMARK 3 FREE R VALUE : 0.165 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2574 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.44 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3468 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.35 REMARK 3 BIN R VALUE (WORKING SET) : 0.1490 REMARK 3 BIN FREE R VALUE SET COUNT : 194 REMARK 3 BIN FREE R VALUE : 0.2090 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1984 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 329 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 8.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.19 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.02000 REMARK 3 B22 (A**2) : -0.03000 REMARK 3 B33 (A**2) : 0.01000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.052 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.028 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.490 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.970 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.961 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2056 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2810 ; 1.343 ; 1.982 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 264 ; 6.200 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 87 ;37.680 ;23.103 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 302 ;11.248 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 19 ;23.119 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 319 ; 0.083 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1579 ; 0.007 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1320 ; 1.031 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2110 ; 1.650 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 736 ; 2.648 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 700 ; 3.976 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 2056 ; 1.132 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. U VALUES REFINED INDIVIDUALLY REMARK 4 REMARK 4 3N8L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JUN-10. REMARK 100 THE DEPOSITION ID IS D_1000059516. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 2009 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.100 REMARK 200 MONOCHROMATOR : SI(111) CHANNEL CUT REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50715 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 40.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 7.700 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 7.80 REMARK 200 R MERGE FOR SHELL (I) : 0.35600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: DIRECT REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES, 2 M NH4H2PO4, PH 7.5, REMARK 280 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 24.85150 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.62250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.91800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.62250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.85150 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.91800 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 LEU A 185 CB - CG - CD1 ANGL. DEV. = 10.4 DEGREES REMARK 500 ARG A 291 NE - CZ - NH2 ANGL. DEV. = 4.2 DEGREES 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 THR A 66 -165.42 -124.03 REMARK 500 CYS A 83 -143.27 44.71 REMARK 500 SER A 118 70.94 -150.23 REMARK 500 GLU A 181 -166.79 -106.19 REMARK 500 ARG A 236 -123.02 -117.84 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 PO4 A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AIX A 1 DBREF 3N8L A 43 307 UNP P0C5C1 BLAC_MYCTU 43 307 SEQADV 3N8L ALA A 182 UNP P0C5C1 GLU 182 ENGINEERED MUTATION SEQRES 1 A 265 ASP LEU ALA ASP ARG PHE ALA GLU LEU GLU ARG ARG TYR SEQRES 2 A 265 ASP ALA ARG LEU GLY VAL TYR VAL PRO ALA THR GLY THR SEQRES 3 A 265 THR ALA ALA ILE GLU TYR ARG ALA ASP GLU ARG PHE ALA SEQRES 4 A 265 PHE CYS SER THR PHE LYS ALA PRO LEU VAL ALA ALA VAL SEQRES 5 A 265 LEU HIS GLN ASN PRO LEU THR HIS LEU ASP LYS LEU ILE SEQRES 6 A 265 THR TYR THR SER ASP ASP ILE ARG SER ILE SER PRO VAL SEQRES 7 A 265 ALA GLN GLN HIS VAL GLN THR GLY MET THR ILE GLY GLN SEQRES 8 A 265 LEU CYS ASP ALA ALA ILE ARG TYR SER ASP GLY THR ALA SEQRES 9 A 265 ALA ASN LEU LEU LEU ALA ASP LEU GLY GLY PRO GLY GLY SEQRES 10 A 265 GLY THR ALA ALA PHE THR GLY TYR LEU ARG SER LEU GLY SEQRES 11 A 265 ASP THR VAL SER ARG LEU ASP ALA GLU ALA PRO GLU LEU SEQRES 12 A 265 ASN ARG ASP PRO PRO GLY ASP GLU ARG ASP THR THR THR SEQRES 13 A 265 PRO HIS ALA ILE ALA LEU VAL LEU GLN GLN LEU VAL LEU SEQRES 14 A 265 GLY ASN ALA LEU PRO PRO ASP LYS ARG ALA LEU LEU THR SEQRES 15 A 265 ASP TRP MET ALA ARG ASN THR THR GLY ALA LYS ARG ILE SEQRES 16 A 265 ARG ALA GLY PHE PRO ALA ASP TRP LYS VAL ILE ASP LYS SEQRES 17 A 265 THR GLY THR GLY ASP TYR GLY ARG ALA ASN ASP ILE ALA SEQRES 18 A 265 VAL VAL TRP SER PRO THR GLY VAL PRO TYR VAL VAL ALA SEQRES 19 A 265 VAL MET SER ASP ARG ALA GLY GLY GLY TYR ASP ALA GLU SEQRES 20 A 265 PRO ARG GLU ALA LEU LEU ALA GLU ALA ALA THR CYS VAL SEQRES 21 A 265 ALA GLY VAL LEU ALA HET PO4 A 2 5 HET PO4 A 3 5 HET AIX A 1 24 HETNAM PO4 PHOSPHATE ION HETNAM AIX (2R,4S)-2-[(1R)-1-{[(2R)-2-AMINO-2-PHENYLACETYL]AMINO}- HETNAM 2 AIX 2-OXOETHYL]-5,5-DIMETHYL-1,3-THIAZOLIDINE-4-CARBOXYLIC HETNAM 3 AIX ACID HETSYN AIX AMPICILLIN (OPEN FORM) FORMUL 2 PO4 2(O4 P 3-) FORMUL 4 AIX C16 H21 N3 O4 S FORMUL 5 HOH *329(H2 O) HELIX 1 1 ASP A 43 ASP A 56 1 14 HELIX 2 2 CYS A 83 THR A 85 5 3 HELIX 3 3 PHE A 86 ASN A 98 1 13 HELIX 4 4 PRO A 99 ASP A 104 5 6 HELIX 5 5 THR A 110 ILE A 114 5 5 HELIX 6 6 VAL A 120 HIS A 124 5 5 HELIX 7 7 ILE A 131 TYR A 141 1 11 HELIX 8 8 ASP A 143 GLY A 155 1 13 HELIX 9 9 PRO A 157 GLY A 159 5 3 HELIX 10 10 GLY A 160 LEU A 171 1 12 HELIX 11 11 PRO A 183 ARG A 187 5 5 HELIX 12 12 THR A 198 LEU A 211 1 14 HELIX 13 13 PRO A 216 ARG A 229 1 14 HELIX 14 14 ARG A 236 PHE A 241 1 6 HELIX 15 15 ARG A 281 GLY A 285 5 5 HELIX 16 16 ARG A 291 ALA A 307 1 17 SHEET 1 A 5 ILE A 72 TYR A 74 0 SHEET 2 A 5 ARG A 58 VAL A 63 -1 N VAL A 61 O TYR A 74 SHEET 3 A 5 PRO A 272 ASP A 280 -1 O MET A 278 N GLY A 60 SHEET 4 A 5 ARG A 258 TRP A 266 -1 N VAL A 265 O TYR A 273 SHEET 5 A 5 LYS A 246 GLY A 254 -1 N GLY A 252 O ASN A 260 SHEET 1 B 2 PHE A 80 ALA A 81 0 SHEET 2 B 2 THR A 196 THR A 197 -1 O THR A 197 N PHE A 80 SHEET 1 C 2 LEU A 106 ILE A 107 0 SHEET 2 C 2 MET A 129 THR A 130 -1 O MET A 129 N ILE A 107 LINK C15 AIX A 1 OG SER A 84 1555 1555 1.51 CISPEP 1 ALA A 182 PRO A 183 0 3.35 SITE 1 AC1 8 HOH A 24 HOH A 31 ARG A 75 GLU A 78 SITE 2 AC1 8 GLU A 184 HOH A 475 HOH A 480 HOH A 561 SITE 1 AC2 10 AIX A 1 ARG A 79 ARG A 187 GLU A 193 SITE 2 AC2 10 ASP A 255 TYR A 286 HOH A 328 HOH A 330 SITE 3 AC2 10 HOH A 507 HOH A 573 SITE 1 AC3 18 PO4 A 3 CYS A 83 SER A 84 ILE A 117 SITE 2 AC3 18 SER A 142 ASN A 186 GLU A 193 ARG A 236 SITE 3 AC3 18 LYS A 250 THR A 251 GLY A 252 THR A 253 SITE 4 AC3 18 HOH A 326 HOH A 330 HOH A 370 HOH A 568 SITE 5 AC3 18 HOH A 573 HOH A 574 CRYST1 49.703 67.836 75.245 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 0.020119 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014741 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013290 0.00000