HEADER HYDROLASE/INHIBITOR 26-APR-22 7UTB TITLE KPC-2 CARBAPENEMASE IN COMPLEX WITH THE BORONIC ACID INHIBITOR MB_076 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBAPENEM-HYDROLYZING BETA-LACTAMASE KPC; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CARBAPENEM-HYDROLYZING BETA-LACTAMASE KPC-1; COMPND 5 EC: 3.5.2.6; COMPND 6 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 BETA-LACTAMASE, CARBAPENEMASE, INHIBITOR COMPLEX, HYDROLASE, KEYWDS 2 HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR F.VAN DEN AKKER,T.A.ALSENANI REVDAT 4 25-OCT-23 7UTB 1 REMARK REVDAT 3 08-FEB-23 7UTB 1 JRNL REVDAT 2 18-JAN-23 7UTB 1 JRNL REVDAT 1 14-DEC-22 7UTB 0 JRNL AUTH T.A.ALSENANI,M.M.RODRIGUEZ,B.GHIGLIONE,M.A.TARACILA, JRNL AUTH 2 M.F.MOJICA,L.J.ROJAS,A.M.HUJER,G.GUTKIND,C.R.BETHEL, JRNL AUTH 3 P.N.RATHER,M.L.INTROVIGNE,F.PRATI,E.CASELLI,P.POWER, JRNL AUTH 4 F.VAN DEN AKKER,R.A.BONOMO JRNL TITL BORONIC ACID TRANSITION STATE INHIBITORS AS POTENT JRNL TITL 2 INACTIVATORS OF KPC AND CTX-M BETA-LACTAMASES: BIOCHEMICAL JRNL TITL 3 AND STRUCTURAL ANALYSES. JRNL REF ANTIMICROB.AGENTS CHEMOTHER. V. 67 93022 2023 JRNL REFN ESSN 1098-6596 JRNL PMID 36602311 JRNL DOI 10.1128/AAC.00930-22 REMARK 2 REMARK 2 RESOLUTION. 1.38 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0258 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) : 1.38 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.04 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 49772 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) : 0.149 REMARK 3 R VALUE (WORKING SET) : 0.148 REMARK 3 FREE R VALUE : 0.170 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2688 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) : 1.38 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.42 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3448 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.95 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE SET COUNT : 216 REMARK 3 BIN FREE R VALUE : 0.2530 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1960 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 302 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.16 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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): 0.050 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.052 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.034 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.860 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.976 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.967 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2094 ; 0.013 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 1954 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2868 ; 1.911 ; 1.642 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4526 ; 1.621 ; 1.573 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 281 ; 6.561 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 101 ;30.813 ;21.584 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 326 ;12.840 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 15 ;13.046 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 279 ; 0.092 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2411 ; 0.011 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 442 ; 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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): 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7UTB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-22. REMARK 100 THE DEPOSITION ID IS D_1000264863. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-DEC-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS-II REMARK 200 BEAMLINE : 17-ID-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97933 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52526 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.380 REMARK 200 RESOLUTION RANGE LOW (A) : 28.040 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.38 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.42 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.68300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 2OV5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM CITRIC ACID PH 5.5, 100 MM REMARK 280 KSCN, 30 % PEG 6K AND 10 MM CDCL2, VAPOR DIFFUSION, SITTING DROP, REMARK 280 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 25.85800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.57150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.33650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.57150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.85800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.33650 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ALA A 24 REMARK 465 LEU A 25 REMARK 465 THR A 26 REMARK 465 GLY A 291 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 OD1 ASP A 271 O HOH A 401 1.83 REMARK 500 OD2 ASP A 271 O HOH A 402 1.91 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 MET A 117 CG - SD - CE ANGL. DEV. = -10.6 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 69 -143.49 52.17 REMARK 500 ARG A 96 76.12 -100.36 REMARK 500 ARG A 220 -125.39 -115.41 REMARK 500 REMARK 500 REMARK: NULL DBREF 7UTB A 24 291 UNP Q9F663 BLKPC_KLEPN 24 289 SEQRES 1 A 266 ALA LEU THR ASN LEU VAL ALA GLU PRO PHE ALA LYS LEU SEQRES 2 A 266 GLU GLN ASP PHE GLY GLY SER ILE GLY VAL TYR ALA MET SEQRES 3 A 266 ASP THR GLY SER GLY ALA THR VAL SER TYR ARG ALA GLU SEQRES 4 A 266 GLU ARG PHE PRO LEU CYS SER SER PHE LYS GLY PHE LEU SEQRES 5 A 266 ALA ALA ALA VAL LEU ALA ARG SER GLN GLN GLN ALA GLY SEQRES 6 A 266 LEU LEU ASP THR PRO ILE ARG TYR GLY LYS ASN ALA LEU SEQRES 7 A 266 VAL PRO TRP SER PRO ILE SER GLU LYS TYR LEU THR THR SEQRES 8 A 266 GLY MET THR VAL ALA GLU LEU SER ALA ALA ALA VAL GLN SEQRES 9 A 266 TYR SER ASP ASN ALA ALA ALA ASN LEU LEU LEU LYS GLU SEQRES 10 A 266 LEU GLY GLY PRO ALA GLY LEU THR ALA PHE MET ARG SER SEQRES 11 A 266 ILE GLY ASP THR THR PHE ARG LEU ASP ARG TRP GLU LEU SEQRES 12 A 266 GLU LEU ASN SER ALA ILE PRO GLY ASP ALA ARG ASP THR SEQRES 13 A 266 SER SER PRO ARG ALA VAL THR GLU SER LEU GLN LYS LEU SEQRES 14 A 266 THR LEU GLY SER ALA LEU ALA ALA PRO GLN ARG GLN GLN SEQRES 15 A 266 PHE VAL ASP TRP LEU LYS GLY ASN THR THR GLY ASN HIS SEQRES 16 A 266 ARG ILE ARG ALA ALA VAL PRO ALA ASP TRP ALA VAL GLY SEQRES 17 A 266 ASP LYS THR GLY THR CYS GLY VAL TYR GLY THR ALA ASN SEQRES 18 A 266 ASP TYR ALA VAL VAL TRP PRO THR GLY ARG ALA PRO ILE SEQRES 19 A 266 VAL LEU ALA VAL TYR THR ARG ALA PRO ASN LYS ASP ASP SEQRES 20 A 266 LYS HIS SER GLU ALA VAL ILE ALA ALA ALA ALA ARG LEU SEQRES 21 A 266 ALA LEU GLU GLY LEU GLY HET OC0 A 301 24 HETNAM OC0 [(1~{R})-1-[2-[(5-AZANYL-1,3,4-THIADIAZOL-2-YL) HETNAM 2 OC0 SULFANYL]ETHANOYLAMINO]-2-(4-CARBOXY-1,2,3-TRIAZOL-1- HETNAM 3 OC0 YL)ETHYL]-$L^{3}-OXIDANYL-BIS(OXIDANYL)BORON FORMUL 2 OC0 C9 H13 B N7 O6 S2 1- FORMUL 3 HOH *302(H2 O) HELIX 1 AA1 ALA A 30 GLY A 41 1 12 HELIX 2 AA2 SER A 71 GLN A 87 1 17 HELIX 3 AA3 GLY A 98 LEU A 102 5 5 HELIX 4 AA4 SER A 106 TYR A 112 1 7 HELIX 5 AA5 VAL A 119 TYR A 129 1 11 HELIX 6 AA6 ASP A 131 LEU A 142 1 12 HELIX 7 AA7 GLY A 143 ILE A 155 1 13 HELIX 8 AA8 LEU A 167 SER A 171 5 5 HELIX 9 AA9 SER A 182 LEU A 195 1 14 HELIX 10 AB1 ALA A 200 GLY A 213 1 14 HELIX 11 AB2 ARG A 220 VAL A 225 1 6 HELIX 12 AB3 GLY A 239 GLY A 242 5 4 HELIX 13 AB4 SER A 275 LEU A 290 1 16 SHEET 1 AA1 5 THR A 56 TYR A 60 0 SHEET 2 AA1 5 SER A 43 ASP A 50 -1 N VAL A 46 O TYR A 60 SHEET 3 AA1 5 ILE A 259 ARG A 266 -1 O ARG A 266 N SER A 43 SHEET 4 AA1 5 ALA A 244 TRP A 251 -1 N VAL A 250 O ILE A 259 SHEET 5 AA1 5 ALA A 230 THR A 237 -1 N ALA A 230 O TRP A 251 SHEET 1 AA2 2 PHE A 66 PRO A 67 0 SHEET 2 AA2 2 THR A 180 SER A 181 -1 O SER A 181 N PHE A 66 SHEET 1 AA3 2 PRO A 94 ILE A 95 0 SHEET 2 AA3 2 MET A 117 THR A 118 -1 O MET A 117 N ILE A 95 SSBOND 1 CYS A 69 CYS A 238 1555 1555 2.15 LINK OG ASER A 70 B1 OC0 A 301 1555 1555 1.51 CISPEP 1 GLU A 166 LEU A 167 0 3.68 CISPEP 2 GLU A 166 LEU A 167 0 4.62 CRYST1 51.716 66.673 73.143 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 0.019336 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014999 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013672 0.00000