HEADER ANTIMICROBIAL PROTEIN 08-NOV-23 8R30 TITLE STRUCTURE OF CTX-M-15 COMPLEXED WITH BENZOXABOROLE AK-408 COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.2.6; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: KLEBSIELLA PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 573; SOURCE 4 GENE: BLACTX-M-15; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_VARIANT: SOLU KEYWDS INHIBITOR, BETA-LACTAMASE, SBL, ANTIBIOTIC RESISTANCE, BORONATE, KEYWDS 2 ANTIMICROBIAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR C.L.TOOKE,P.HINCHLIFFE,J.SPENCER REVDAT 1 20-NOV-24 8R30 0 JRNL AUTH C.L.TOOKE,P.HINCHLIFFE,J.SPENCER JRNL TITL STRUCTURE OF CTX-M-15 COMPLEXED WITH BENZOXABOROLE AK-408 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 0.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.72 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 208227 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.125 REMARK 3 R VALUE (WORKING SET) : 0.124 REMARK 3 FREE R VALUE : 0.137 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 10441 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 31.7200 - 2.6400 1.00 6995 416 0.1415 0.1515 REMARK 3 2 2.6400 - 2.1000 1.00 6792 327 0.1100 0.1257 REMARK 3 3 2.1000 - 1.8300 1.00 6689 369 0.1004 0.1109 REMARK 3 4 1.8300 - 1.6600 1.00 6672 373 0.0968 0.1033 REMARK 3 5 1.6600 - 1.5400 1.00 6652 338 0.0878 0.0959 REMARK 3 6 1.5400 - 1.4500 1.00 6643 344 0.0836 0.1024 REMARK 3 7 1.4500 - 1.3800 1.00 6620 314 0.0871 0.1010 REMARK 3 8 1.3800 - 1.3200 1.00 6628 367 0.0911 0.0981 REMARK 3 9 1.3200 - 1.2700 1.00 6584 319 0.0884 0.0981 REMARK 3 10 1.2700 - 1.2300 1.00 6626 341 0.0881 0.1030 REMARK 3 11 1.2300 - 1.1900 1.00 6603 343 0.0909 0.1111 REMARK 3 12 1.1900 - 1.1500 1.00 6606 324 0.0951 0.1063 REMARK 3 13 1.1500 - 1.1200 1.00 6564 342 0.0985 0.1091 REMARK 3 14 1.1200 - 1.1000 1.00 6561 348 0.1024 0.1204 REMARK 3 15 1.1000 - 1.0700 1.00 6582 354 0.1117 0.1257 REMARK 3 16 1.0700 - 1.0500 1.00 6554 330 0.1309 0.1454 REMARK 3 17 1.0500 - 1.0300 1.00 6554 359 0.1477 0.1546 REMARK 3 18 1.0300 - 1.0100 1.00 6482 383 0.1537 0.1831 REMARK 3 19 1.0100 - 0.9900 1.00 6581 347 0.1711 0.1851 REMARK 3 20 0.9900 - 0.9700 1.00 6525 373 0.1844 0.2066 REMARK 3 21 0.9700 - 0.9600 1.00 6505 365 0.1995 0.2011 REMARK 3 22 0.9600 - 0.9400 1.00 6538 351 0.2105 0.2090 REMARK 3 23 0.9400 - 0.9300 1.00 6520 347 0.2235 0.2137 REMARK 3 24 0.9300 - 0.9200 1.00 6589 329 0.2384 0.2757 REMARK 3 25 0.9200 - 0.9000 1.00 6513 339 0.2632 0.2696 REMARK 3 26 0.9000 - 0.8900 1.00 6488 363 0.2815 0.2638 REMARK 3 27 0.8900 - 0.8800 1.00 6580 319 0.2916 0.3301 REMARK 3 28 0.8800 - 0.8700 1.00 6479 333 0.3029 0.3001 REMARK 3 29 0.8700 - 0.8600 1.00 6537 358 0.3223 0.3354 REMARK 3 30 0.8600 - 0.8500 1.00 6524 326 0.3366 0.3580 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.102 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 14.020 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 7.57 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.47 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.006 2220 REMARK 3 ANGLE : 0.965 3041 REMARK 3 CHIRALITY : 0.080 342 REMARK 3 PLANARITY : 0.013 409 REMARK 3 DIHEDRAL : 11.481 852 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8R30 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-NOV-23. REMARK 100 THE DEPOSITION ID IS D_1292134490. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JUL-23 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 : DIAMOND REMARK 200 BEAMLINE : I03 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.6741 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 208397 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.850 REMARK 200 RESOLUTION RANGE LOW (A) : 42.430 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 13.40 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.86 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0 M AMMONIUM SULPHATE, 0.1 M TRIS REMARK 280 8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 292.15K 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 22.12600 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.70800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.75300 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.70800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.12600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.75300 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: 1240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11120 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -57.0 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 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 GLY A 24 REMARK 465 PRO A 25 REMARK 465 GLN A 26 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 HE22 GLN A 188 O HOH A 404 1.38 REMARK 500 HH12 ARG A 204 O HOH A 412 1.51 REMARK 500 OD1 ASP A 201 HH22 ARG A 204 1.55 REMARK 500 O HOH A 677 O HOH A 687 1.76 REMARK 500 O HOH A 687 O HOH A 706 1.77 REMARK 500 OG SER A 272 O HOH A 401 1.86 REMARK 500 O HOH A 474 O HOH A 536 1.92 REMARK 500 OE1 GLN A 188 O HOH A 402 1.99 REMARK 500 O HOH A 406 O HOH A 418 2.00 REMARK 500 O PRO A 88 O HOH A 403 2.07 REMARK 500 O HOH A 426 O HOH A 622 2.09 REMARK 500 NE2 GLN A 188 O HOH A 404 2.12 REMARK 500 O HOH A 422 O HOH A 682 2.15 REMARK 500 O HOH A 432 O HOH A 640 2.16 REMARK 500 OD1 ASN A 55 O HOH A 405 2.18 REMARK 500 OE1 GLN A 40 O HOH A 406 2.18 REMARK 500 O HOH A 611 O HOH A 669 2.19 REMARK 500 O HOH A 451 O HOH A 636 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 576 O HOH A 690 3445 1.99 REMARK 500 O HOH A 671 O HOH A 716 3545 2.08 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 -138.99 49.39 REMARK 500 VAL A 103 -138.11 -122.82 REMARK 500 TYR A 105 97.11 -163.35 REMARK 500 SER A 220 -123.12 -103.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 308 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 157 OD2 REMARK 620 2 THR A 181 OG1 120.9 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 310 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LEU A 169 O REMARK 620 2 ASP A 179 O 120.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 309 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 217 O REMARK 620 2 ASP A 245 OD2 108.6 REMARK 620 N 1 DBREF 8R30 A 26 288 UNP G3G192 G3G192_KLEPN 49 311 SEQADV 8R30 GLY A 24 UNP G3G192 EXPRESSION TAG SEQADV 8R30 PRO A 25 UNP G3G192 EXPRESSION TAG SEQRES 1 A 265 GLY PRO GLN THR ALA ASP VAL GLN GLN LYS LEU ALA GLU SEQRES 2 A 265 LEU GLU ARG GLN SER GLY GLY ARG LEU GLY VAL ALA LEU SEQRES 3 A 265 ILE ASN THR ALA ASP ASN SER GLN ILE LEU TYR ARG ALA SEQRES 4 A 265 ASP GLU ARG PHE ALA MET CYS SER THR SER LYS VAL MET SEQRES 5 A 265 ALA ALA ALA ALA VAL LEU LYS LYS SER GLU SER GLU PRO SEQRES 6 A 265 ASN LEU LEU ASN GLN ARG VAL GLU ILE LYS LYS SER ASP SEQRES 7 A 265 LEU VAL ASN TYR ASN PRO ILE ALA GLU LYS HIS VAL ASN SEQRES 8 A 265 GLY THR MET SER LEU ALA GLU LEU SER ALA ALA ALA LEU SEQRES 9 A 265 GLN TYR SER ASP ASN VAL ALA MET ASN LYS LEU ILE ALA SEQRES 10 A 265 HIS VAL GLY GLY PRO ALA SER VAL THR ALA PHE ALA ARG SEQRES 11 A 265 GLN LEU GLY ASP GLU THR PHE ARG LEU ASP ARG THR GLU SEQRES 12 A 265 PRO THR LEU ASN THR ALA ILE PRO GLY ASP PRO ARG ASP SEQRES 13 A 265 THR THR SER PRO ARG ALA MET ALA GLN THR LEU ARG ASN SEQRES 14 A 265 LEU THR LEU GLY LYS ALA LEU GLY ASP SER GLN ARG ALA SEQRES 15 A 265 GLN LEU VAL THR TRP MET LYS GLY ASN THR THR GLY ALA SEQRES 16 A 265 ALA SER ILE GLN ALA GLY LEU PRO ALA SER TRP VAL VAL SEQRES 17 A 265 GLY ASP LYS THR GLY SER GLY GLY TYR GLY THR THR ASN SEQRES 18 A 265 ASP ILE ALA VAL ILE TRP PRO LYS ASP ARG ALA PRO LEU SEQRES 19 A 265 ILE LEU VAL THR TYR PHE THR GLN PRO GLN PRO LYS ALA SEQRES 20 A 265 GLU SER ARG ARG ASP VAL LEU ALA SER ALA ALA LYS ILE SEQRES 21 A 265 VAL THR ASP GLY LEU HET XR3 A 301 37 HET SO4 A 302 5 HET SO4 A 303 5 HET SO4 A 304 5 HET SO4 A 305 5 HET CL A 306 1 HET CL A 307 1 HET NA A 308 1 HET NA A 309 1 HET NA A 310 1 HET DMS A 311 10 HET DMS A 312 10 HETNAM XR3 N-[[(3S)-1-OXIDANYL-3H-2,1-BENZOXABOROL-3-YL]METHYL]-4- HETNAM 2 XR3 [OXIDANYL(OXIDANYLIDENE)-$L^{4}- HETNAM 3 XR3 AZANYL]BENZENESULFONAMIDE HETNAM SO4 SULFATE ION HETNAM CL CHLORIDE ION HETNAM NA SODIUM ION HETNAM DMS DIMETHYL SULFOXIDE FORMUL 2 XR3 C14 H13 B N2 O6 S 1- FORMUL 3 SO4 4(O4 S 2-) FORMUL 7 CL 2(CL 1-) FORMUL 9 NA 3(NA 1+) FORMUL 12 DMS 2(C2 H6 O S) FORMUL 14 HOH *322(H2 O) HELIX 1 AA1 THR A 27 GLY A 42 1 16 HELIX 2 AA2 CYS A 69 THR A 71 5 3 HELIX 3 AA3 SER A 72 GLU A 85 1 14 HELIX 4 AA4 LYS A 98 LEU A 102 5 5 HELIX 5 AA5 ILE A 108 VAL A 113 5 6 HELIX 6 AA6 LEU A 119 SER A 130 1 12 HELIX 7 AA7 ASP A 131 GLY A 143 1 13 HELIX 8 AA8 GLY A 144 LEU A 155 1 12 HELIX 9 AA9 PRO A 167 THR A 171 5 5 HELIX 10 AB1 SER A 182 LEU A 195 1 14 HELIX 11 AB2 GLY A 200 GLY A 213 1 14 HELIX 12 AB3 SER A 220 LEU A 225 5 6 HELIX 13 AB4 ARG A 273 ASP A 286 1 14 SHEET 1 AA1 5 SER A 56 TYR A 60 0 SHEET 2 AA1 5 ARG A 44 ASN A 51 -1 N VAL A 47 O TYR A 60 SHEET 3 AA1 5 LEU A 257 THR A 264 -1 O TYR A 262 N GLY A 46 SHEET 4 AA1 5 THR A 242 TRP A 250 -1 N ILE A 249 O LEU A 257 SHEET 5 AA1 5 VAL A 230 GLY A 238 -1 N GLY A 236 O ASN A 244 SHEET 1 AA2 2 PHE A 66 ALA A 67 0 SHEET 2 AA2 2 THR A 180 THR A 181 -1 O THR A 181 N PHE A 66 SHEET 1 AA3 2 ARG A 94 GLU A 96 0 SHEET 2 AA3 2 THR A 116 SER A 118 -1 O MET A 117 N VAL A 95 LINK OG SER A 70 B2 XR3 A 301 1555 1555 1.45 LINK OD2 ASP A 157 NA NA A 308 1555 1555 2.67 LINK O LEU A 169 NA NA A 310 1555 1555 2.78 LINK O ASP A 179 NA NA A 310 1555 1555 2.80 LINK OG1 THR A 181 NA NA A 308 1555 1555 2.69 LINK O GLY A 217 NA NA A 309 1555 1555 2.74 LINK OD2 ASP A 245 NA NA A 309 1555 1555 2.76 CISPEP 1 GLU A 166 PRO A 167 0 6.12 CRYST1 44.252 45.506 117.416 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 0.022598 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021975 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008517 0.00000