HEADER HYDROLASE/HYDROLASE INHIBITOR 14-APR-15 4ZBE TITLE CRYSTAL STRUCTURE OF KPC-2 BETA-LACTAMASE COMPLEXED WITH AVIBACTAM COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBAPENEM-HYDROLYZING BETA-LACTAMASE KPC; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 26-289; COMPND 5 SYNONYM: CARBAPENEM-HYDROLYZING BETA-LACTAMASE KPC-1, KPC-2 BETA- COMPND 6 LACTAMASE; COMPND 7 EC: 3.5.2.6; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: KLEBSIELLA PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 573; SOURCE 4 GENE: BLA, KPC, KPC1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR N.Q.NGUYEN,F.VAN DEN AKKER REVDAT 2 27-SEP-23 4ZBE 1 REMARK HETSYN REVDAT 1 27-JAN-16 4ZBE 0 JRNL AUTH N.P.KRISHNAN,N.Q.NGUYEN,K.M.PAPP-WALLACE,R.A.BONOMO, JRNL AUTH 2 F.VAN DEN AKKER JRNL TITL INHIBITION OF KLEBSIELLA BETA-LACTAMASES (SHV-1 AND KPC-2) JRNL TITL 2 BY AVIBACTAM: A STRUCTURAL STUDY. JRNL REF PLOS ONE V. 10 36813 2015 JRNL REFN ESSN 1932-6203 JRNL PMID 26340563 JRNL DOI 10.1371/JOURNAL.PONE.0136813 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0073 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.60 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 92.8 REMARK 3 NUMBER OF REFLECTIONS : 21017 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) : 0.156 REMARK 3 R VALUE (WORKING SET) : 0.152 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1136 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1372 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.19 REMARK 3 BIN R VALUE (WORKING SET) : 0.2630 REMARK 3 BIN FREE R VALUE SET COUNT : 82 REMARK 3 BIN FREE R VALUE : 0.2970 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1972 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 30 REMARK 3 SOLVENT ATOMS : 256 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.22 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.01000 REMARK 3 B22 (A**2) : 0.00000 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): 0.126 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.136 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.094 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.156 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.972 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.938 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2081 ; 0.018 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): 1972 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2841 ; 1.770 ; 1.973 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4526 ; 0.926 ; 3.002 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 271 ; 6.392 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 83 ;34.760 ;23.614 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 318 ;14.157 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 15 ;18.620 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 323 ; 0.224 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2405 ; 0.010 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 468 ; 0.002 ; 0.020 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): 1078 ; 2.998 ; 2.112 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1076 ; 2.986 ; 2.110 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1351 ; 3.442 ; 3.147 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1351 ; 3.433 ; 3.147 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1003 ; 4.604 ; 2.510 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1004 ; 4.603 ; 2.511 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1491 ; 6.172 ; 3.615 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2539 ; 7.718 ;18.887 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2436 ; 7.514 ;18.196 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL 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 : 1.20 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 REMARK 4 REMARK 4 4ZBE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-APR-15. REMARK 100 THE DEPOSITION ID IS D_1000208937. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-AUG-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1272 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22206 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 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 (%) : 93.2 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.44400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.900 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: PDB ENTRY 3RXW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG6000, 100 MM POTASSIUM REMARK 280 THIOCYANATE, 100 MM CITRATE, PH 4.0, CRYSTALS SOAKED FOR 8 REMARK 280 MINUTES WITH 5 MM AVIBACTAM IN MOTHER LIQUOR (25% PEG600, 100 MM REMARK 280 CITRATE, PH 5.0), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 25.65750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.60400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.34750 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.60400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.65750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.34750 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 TOTAL BURIED SURFACE AREA: 260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 2.0 KCAL/MOL 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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 453 O HOH A 596 2.12 REMARK 500 REMARK 500 REMARK: NULL 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 ARG A 82 NE - CZ - NH1 ANGL. DEV. = 3.1 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 CYS A 68 -143.89 47.68 REMARK 500 ARG A 219 -121.15 -113.13 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 CIT A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NXL A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4FH4 RELATED DB: PDB REMARK 900 BETA-LACTAMASE WITHOUT LIGAND REMARK 900 RELATED ID: 4ZAM RELATED DB: PDB REMARK 900 RELATED BETA-LACTAMASE WITH AVIBACTAM INHIBITOR DBREF 4ZBE A 26 289 UNP Q9F663 BLKPC_KLEPN 26 289 SEQRES 1 A 264 THR ASN LEU VAL ALA GLU PRO PHE ALA LYS LEU GLU GLN SEQRES 2 A 264 ASP PHE GLY GLY SER ILE GLY VAL TYR ALA MET ASP THR SEQRES 3 A 264 GLY SER GLY ALA THR VAL SER TYR ARG ALA GLU GLU ARG SEQRES 4 A 264 PHE PRO LEU CYS SER SER PHE LYS GLY PHE LEU ALA ALA SEQRES 5 A 264 ALA VAL LEU ALA ARG SER GLN GLN GLN ALA GLY LEU LEU SEQRES 6 A 264 ASP THR PRO ILE ARG TYR GLY LYS ASN ALA LEU VAL PRO SEQRES 7 A 264 TRP SER PRO ILE SER GLU LYS TYR LEU THR THR GLY MET SEQRES 8 A 264 THR VAL ALA GLU LEU SER ALA ALA ALA VAL GLN TYR SER SEQRES 9 A 264 ASP ASN ALA ALA ALA ASN LEU LEU LEU LYS GLU LEU GLY SEQRES 10 A 264 GLY PRO ALA GLY LEU THR ALA PHE MET ARG SER ILE GLY SEQRES 11 A 264 ASP THR THR PHE ARG LEU ASP ARG TRP GLU LEU GLU LEU SEQRES 12 A 264 ASN SER ALA ILE PRO GLY ASP ALA ARG ASP THR SER SER SEQRES 13 A 264 PRO ARG ALA VAL THR GLU SER LEU GLN LYS LEU THR LEU SEQRES 14 A 264 GLY SER ALA LEU ALA ALA PRO GLN ARG GLN GLN PHE VAL SEQRES 15 A 264 ASP TRP LEU LYS GLY ASN THR THR GLY ASN HIS ARG ILE SEQRES 16 A 264 ARG ALA ALA VAL PRO ALA ASP TRP ALA VAL GLY ASP LYS SEQRES 17 A 264 THR GLY THR CYS GLY VAL TYR GLY THR ALA ASN ASP TYR SEQRES 18 A 264 ALA VAL VAL TRP PRO THR GLY ARG ALA PRO ILE VAL LEU SEQRES 19 A 264 ALA VAL TYR THR ARG ALA PRO ASN LYS ASP ASP LYS HIS SEQRES 20 A 264 SER GLU ALA VAL ILE ALA ALA ALA ALA ARG LEU ALA LEU SEQRES 21 A 264 GLU GLY LEU GLY HET CIT A 301 13 HET NXL A 302 17 HETNAM CIT CITRIC ACID HETNAM NXL (2S,5R)-1-FORMYL-5-[(SULFOOXY)AMINO]PIPERIDINE-2- HETNAM 2 NXL CARBOXAMIDE HETSYN NXL AVIBACTAM, BOUND FORM; NXL104, BOUND FORM FORMUL 2 CIT C6 H8 O7 FORMUL 3 NXL C7 H13 N3 O6 S FORMUL 4 HOH *256(H2 O) HELIX 1 AA1 ALA A 30 GLY A 41 1 12 HELIX 2 AA2 SER A 70 GLN A 84 1 15 HELIX 3 AA3 GLY A 97 LEU A 101 5 5 HELIX 4 AA4 SER A 105 TYR A 111 1 7 HELIX 5 AA5 VAL A 118 TYR A 128 1 11 HELIX 6 AA6 ASP A 130 LEU A 141 1 12 HELIX 7 AA7 GLY A 142 ILE A 154 1 13 HELIX 8 AA8 LEU A 166 SER A 170 5 5 HELIX 9 AA9 SER A 181 LEU A 194 1 14 HELIX 10 AB1 ALA A 199 GLY A 212 1 14 HELIX 11 AB2 ARG A 219 VAL A 224 5 6 HELIX 12 AB3 GLY A 238 GLY A 241 5 4 HELIX 13 AB4 SER A 273 LEU A 288 1 16 SHEET 1 AA1 5 THR A 56 TYR A 59 0 SHEET 2 AA1 5 SER A 43 ASP A 50 -1 N VAL A 46 O TYR A 59 SHEET 3 AA1 5 ILE A 257 ARG A 264 -1 O TYR A 262 N GLY A 45 SHEET 4 AA1 5 ALA A 243 TRP A 250 -1 N VAL A 249 O ILE A 257 SHEET 5 AA1 5 ALA A 229 THR A 236 -1 N ALA A 229 O TRP A 250 SHEET 1 AA2 2 PHE A 65 PRO A 66 0 SHEET 2 AA2 2 THR A 179 SER A 180 -1 O SER A 180 N PHE A 65 SHEET 1 AA3 2 PRO A 93 ILE A 94 0 SHEET 2 AA3 2 MET A 116 THR A 117 -1 O MET A 116 N ILE A 94 SSBOND 1 CYS A 68 CYS A 237 1555 1555 2.09 LINK OG SER A 69 CAN NXL A 302 1555 1555 1.50 CISPEP 1 GLU A 165 LEU A 166 0 -0.82 SITE 1 AC1 5 ARG A 160 LYS A 211 ALA A 229 TRP A 250 SITE 2 AC1 5 HOH A 465 SITE 1 AC2 16 CYS A 68 SER A 69 LYS A 72 SER A 129 SITE 2 AC2 16 ASN A 131 GLU A 165 ASN A 169 THR A 215 SITE 3 AC2 16 LYS A 233 THR A 234 GLY A 235 THR A 236 SITE 4 AC2 16 ARG A 254 HOH A 401 HOH A 543 HOH A 554 CRYST1 51.315 66.695 73.208 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 0.019487 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014994 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013660 0.00000