HEADER ANTIMICROBIAL PROTEIN 08-NOV-23 8R2Z TITLE STRUCTURE OF CTX-M-15 COMPLEXED WITH BENZOXABOROLE AK-425 CAVEAT 8R2Z XR9 A 301 HAS WRONG CHIRALITY AT ATOM C4 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 8R2Z 0 JRNL AUTH C.L.TOOKE,P.HINCHLIFFE,J.SPENCER JRNL TITL STRUCTURE OF CTX-M-15 COMPLEXED WITH BENZOXABOROLE AK-425 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.10 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) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.54 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 97052 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.141 REMARK 3 R VALUE (WORKING SET) : 0.140 REMARK 3 FREE R VALUE : 0.168 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.950 REMARK 3 FREE R VALUE TEST SET COUNT : 4807 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 41.5400 - 3.4100 1.00 3343 180 0.1509 0.1794 REMARK 3 2 3.4100 - 2.7100 1.00 3184 181 0.1237 0.1432 REMARK 3 3 2.7100 - 2.3700 0.98 3074 173 0.1093 0.1434 REMARK 3 4 2.3700 - 2.1500 1.00 3133 182 0.1074 0.1297 REMARK 3 5 2.1500 - 2.0000 1.00 3146 136 0.1028 0.1286 REMARK 3 6 2.0000 - 1.8800 1.00 3112 163 0.1078 0.1307 REMARK 3 7 1.8800 - 1.7800 1.00 3105 159 0.1059 0.1433 REMARK 3 8 1.7800 - 1.7100 1.00 3092 181 0.1057 0.1452 REMARK 3 9 1.7100 - 1.6400 1.00 3097 144 0.1084 0.1380 REMARK 3 10 1.6400 - 1.5800 1.00 3046 180 0.1119 0.1442 REMARK 3 11 1.5800 - 1.5300 1.00 3111 152 0.1168 0.1530 REMARK 3 12 1.5300 - 1.4900 1.00 3075 161 0.1152 0.1522 REMARK 3 13 1.4900 - 1.4500 1.00 3087 165 0.1248 0.1568 REMARK 3 14 1.4500 - 1.4200 1.00 3069 147 0.1248 0.1831 REMARK 3 15 1.4200 - 1.3800 1.00 3054 161 0.1418 0.1610 REMARK 3 16 1.3800 - 1.3500 1.00 3069 171 0.1665 0.2126 REMARK 3 17 1.3500 - 1.3300 0.99 3036 164 0.1791 0.1858 REMARK 3 18 1.3300 - 1.3000 1.00 3019 146 0.1776 0.2255 REMARK 3 19 1.3000 - 1.2800 1.00 3129 123 0.1924 0.2315 REMARK 3 20 1.2800 - 1.2600 1.00 3084 147 0.2053 0.2623 REMARK 3 21 1.2600 - 1.2400 1.00 3019 175 0.2126 0.2294 REMARK 3 22 1.2400 - 1.2200 0.99 3052 155 0.2121 0.2449 REMARK 3 23 1.2200 - 1.2000 1.00 3002 171 0.2207 0.2192 REMARK 3 24 1.2000 - 1.1800 1.00 3083 160 0.2383 0.2480 REMARK 3 25 1.1800 - 1.1700 0.99 3015 147 0.2451 0.2899 REMARK 3 26 1.1700 - 1.1500 1.00 3047 175 0.2548 0.2784 REMARK 3 27 1.1500 - 1.1400 0.99 2973 150 0.2717 0.3087 REMARK 3 28 1.1400 - 1.1200 0.99 3080 171 0.2842 0.2872 REMARK 3 29 1.1200 - 1.1100 0.98 2965 142 0.2867 0.3117 REMARK 3 30 1.1100 - 1.1000 0.96 2944 145 0.3138 0.3528 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) : 0.121 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.050 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 11.67 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.67 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 : 0.007 2212 REMARK 3 ANGLE : 1.000 3034 REMARK 3 CHIRALITY : 0.078 340 REMARK 3 PLANARITY : 0.011 410 REMARK 3 DIHEDRAL : 11.684 848 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 8R2Z 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_1292134494. 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 : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AUTOPROC REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 97267 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.098 REMARK 200 RESOLUTION RANGE LOW (A) : 58.461 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 12.20 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.2 REMARK 200 DATA REDUNDANCY IN SHELL : 12.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL 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 22.21900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.46150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.75700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.46150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.21900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.75700 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 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 465 THR A 27 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 HH12 ARG A 204 O HOH A 407 1.53 REMARK 500 HH21 ARG A 161 OD2 ASP A 163 1.54 REMARK 500 O2 SO4 A 305 O HOH A 401 1.92 REMARK 500 OE1 GLU A 110 O HOH A 402 1.93 REMARK 500 O3 SO4 A 304 O HOH A 403 1.96 REMARK 500 O HOH A 427 O HOH A 509 2.03 REMARK 500 O PRO A 88 O HOH A 404 2.04 REMARK 500 OE2 GLU A 36 O HOH A 405 2.06 REMARK 500 O HOH A 603 O HOH A 611 2.07 REMARK 500 O3 SO4 A 304 O HOH A 406 2.08 REMARK 500 O HOH A 593 O HOH A 624 2.16 REMARK 500 O2 SO4 A 305 O HOH A 401 2.17 REMARK 500 O HOH A 591 O HOH A 661 2.17 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 511 O HOH A 663 3555 2.04 REMARK 500 O HOH A 403 O HOH A 436 3555 2.07 REMARK 500 O HOH A 559 O HOH A 599 3545 2.16 REMARK 500 O HOH A 443 O HOH A 497 4445 2.16 REMARK 500 O HOH A 564 O HOH A 572 3545 2.18 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 -140.47 50.72 REMARK 500 VAL A 103 -136.46 -122.67 REMARK 500 SER A 220 -123.86 -103.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 665 DISTANCE = 5.98 ANGSTROMS 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 121.3 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 107.2 REMARK 620 N 1 DBREF 8R2Z A 26 288 UNP G3G192 G3G192_KLEPN 49 311 SEQADV 8R2Z GLY A 24 UNP G3G192 EXPRESSION TAG SEQADV 8R2Z 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 XR9 A 301 36 HET DMS A 302 10 HET SO4 A 303 5 HET SO4 A 304 5 HET SO4 A 305 10 HET SO4 A 306 5 HET CL A 307 1 HET NA A 308 1 HET NA A 309 1 HETNAM XR9 (9S)-7-OXIDANYL-8-OXA-7-BORANUIDABICYCLO[4.3.0]NONA-1, HETNAM 2 XR9 3,5-TRIENE-9-CARBONITRILE HETNAM DMS DIMETHYL SULFOXIDE HETNAM SO4 SULFATE ION HETNAM CL CHLORIDE ION HETNAM NA SODIUM ION FORMUL 2 XR9 C8 H6 B N O2 1- FORMUL 3 DMS C2 H6 O S FORMUL 4 SO4 4(O4 S 2-) FORMUL 8 CL CL 1- FORMUL 9 NA 2(NA 1+) FORMUL 11 HOH *265(H2 O) HELIX 1 AA1 ALA A 28 GLY A 42 1 15 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 ASN A 89 ASN A 92 5 4 HELIX 5 AA5 LYS A 98 LEU A 102 5 5 HELIX 6 AA6 ILE A 108 VAL A 113 5 6 HELIX 7 AA7 LEU A 119 TYR A 129 1 11 HELIX 8 AA8 ASP A 131 GLY A 143 1 13 HELIX 9 AA9 GLY A 144 GLY A 156 1 13 HELIX 10 AB1 PRO A 167 THR A 171 5 5 HELIX 11 AB2 SER A 182 LEU A 195 1 14 HELIX 12 AB3 GLY A 200 GLY A 213 1 14 HELIX 13 AB4 SER A 220 LEU A 225 5 6 HELIX 14 AB5 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 ASN A 51 O SER A 56 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 VAL A 230 O TRP A 250 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 AXR9 A 301 1555 1555 1.44 LINK OG SER A 70 B2 BXR9 A 301 1555 1555 1.45 LINK OD2 ASP A 157 NA NA A 308 1555 1555 2.67 LINK OG1 THR A 181 NA NA A 308 1555 1555 2.73 LINK O GLY A 217 NA NA A 309 1555 1555 2.75 LINK OD2 ASP A 245 NA NA A 309 1555 1555 2.77 CISPEP 1 GLU A 166 PRO A 167 0 8.74 CRYST1 44.438 45.514 116.923 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 0.022503 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021971 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008553 0.00000