HEADER HYDROLASE 08-SEP-10 2XQZ TITLE NEUTRON STRUCTURE OF THE PERDEUTERATED TOHO-1 R274N R276N DOUBLE TITLE 2 MUTANT BETA-LACTAMASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMSE TOHO-1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 32-291; COMPND 5 SYNONYM: PERDEUTERATED TOHO-1 BETA-LACTAMASE; COMPND 6 EC: 3.5.2.6; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 OTHER_DETAILS: FULLY PERDEUTERATED SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PJEXPRESS 401 KEYWDS HYDROLASE, EXTENDED-SPECTRUM BETA-LACTAMASES (ESBLS), CTX-M-TYPE KEYWDS 2 ESBLS EXPDTA NEUTRON DIFFRACTION AUTHOR S.J.TOMANICEK,K.K.WANG,K.L.WEISS,M.P.BLAKELEY,J.COOPER,Y.CHEN, AUTHOR 2 L.COATES REVDAT 7 08-MAY-24 2XQZ 1 REMARK REVDAT 6 31-JAN-18 2XQZ 1 REMARK REVDAT 5 27-DEC-17 2XQZ 1 REMARK HELIX SHEET ATOM REVDAT 4 22-MAR-17 2XQZ 1 REMARK REVDAT 3 16-FEB-11 2XQZ 1 JRNL REVDAT 2 29-DEC-10 2XQZ 1 JRNL REVDAT 1 22-DEC-10 2XQZ 0 JRNL AUTH S.J.TOMANICEK,K.K.WANG,K.L.WEISS,M.P.BLAKELEY,J.COOPER, JRNL AUTH 2 Y.CHEN,L.COATES JRNL TITL THE ACTIVE SITE PROTONATION STATES OF PERDEUTERATED TOHO-1 JRNL TITL 2 BETA-LACTAMASE DETERMINED BY NEUTRON DIFFRACTION SUPPORT A JRNL TITL 3 ROLE FOR GLU166 AS THE GENERAL BASE IN ACYLATION. JRNL REF FEBS LETT. V. 585 364 2011 JRNL REFN ISSN 0014-5793 JRNL PMID 21168411 JRNL DOI 10.1016/J.FEBSLET.2010.12.017 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) 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 : TWIN_LSQ_F REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 53.19 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.550 REMARK 3 COMPLETENESS FOR RANGE (%) : 82.3 REMARK 3 NUMBER OF REFLECTIONS : 14990 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.228 REMARK 3 R VALUE (WORKING SET) : 0.225 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.400 REMARK 3 FREE R VALUE TEST SET COUNT : 807 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 29.3187 - 3.5948 0.89 3350 177 0.2080 0.2451 REMARK 3 2 3.5948 - 2.8541 0.86 3099 165 0.2280 0.2436 REMARK 3 3 2.8541 - 2.4935 0.82 2947 157 0.2370 0.3081 REMARK 3 4 2.4935 - 2.2656 0.77 2736 148 0.2324 0.2506 REMARK 3 5 2.2656 - 2.1033 0.58 2070 106 0.2353 0.2957 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 : 1.01 REMARK 3 K_SOL : 0.52 REMARK 3 B_SOL : 20.95 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.260 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.50010 REMARK 3 B22 (A**2) : -2.50010 REMARK 3 B33 (A**2) : 5.00010 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 TWINNING INFORMATION. REMARK 3 FRACTION: 0.1390 REMARK 3 OPERATOR: -H,-K,L REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.004 4110 REMARK 3 ANGLE : 0.667 7273 REMARK 3 CHIRALITY : 0.042 321 REMARK 3 PLANARITY : 0.003 628 REMARK 3 DIHEDRAL : 13.228 1095 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 2XQZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-SEP-10. REMARK 100 THE DEPOSITION ID IS D_1290045323. REMARK 230 REMARK 230 EXPERIMENTAL DETAILS REMARK 230 EXPERIMENT TYPE : NEUTRON DIFFRACTION REMARK 230 DATE OF DATA COLLECTION : 07-JUL-10 REMARK 230 TEMPERATURE (KELVIN) : NULL REMARK 230 PH : 6.50 REMARK 230 NUMBER OF CRYSTALS USED : 1 REMARK 230 REMARK 230 NEUTRON SOURCE : NUCLEAR REACTOR REMARK 230 BEAMLINE : LADI III REMARK 230 WAVELENGTH OR RANGE (A) : 3.7 REMARK 230 MONOCHROMATOR : NULL REMARK 230 OPTICS : NULL REMARK 230 REMARK 230 DETECTOR TYPE : IMAGE PLATE REMARK 230 DETECTOR MANUFACTURER : NULL REMARK 230 INTENSITY-INTEGRATION SOFTWARE : LAUEGEN REMARK 230 DATA SCALING SOFTWARE : LAUEGEN REMARK 230 REMARK 230 NUMBER OF UNIQUE REFLECTIONS : 14991 REMARK 230 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 230 RESOLUTION RANGE LOW (A) : 63.150 REMARK 230 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 230 REMARK 230 OVERALL. REMARK 230 COMPLETENESS FOR RANGE (%) : 83.7 REMARK 230 DATA REDUNDANCY : 7.200 REMARK 230 R MERGE (I) : 0.18000 REMARK 230 R SYM (I) : 0.06000 REMARK 230 FOR THE DATA SET : NULL REMARK 230 REMARK 230 IN THE HIGHEST RESOLUTION SHELL. REMARK 230 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 230 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 230 COMPLETENESS FOR SHELL (%) : NULL REMARK 230 DATA REDUNDANCY IN SHELL : NULL REMARK 230 R MERGE FOR SHELL (I) : NULL REMARK 230 R SYM FOR SHELL (I) : NULL REMARK 230 FOR SHELL : NULL REMARK 230 REMARK 230 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 230 SOFTWARE USED : NULL REMARK 230 STARTING MODEL: NULL REMARK 230 REMARK 230 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 65.68400 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 32.84200 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 32.84200 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 65.68400 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 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED RESIDUE IN CHAIN A, ARG 275 TO ASN REMARK 400 ENGINEERED RESIDUE IN CHAIN A, ARG 277 TO ASN 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 DOD A 383 O DOD A 416 0.98 REMARK 500 O DOD A 454 O DOD A 455 0.98 REMARK 500 O DOD A 365 O DOD A 436 0.98 REMARK 500 O DOD A 390 O DOD A 456 0.98 REMARK 500 O DOD A 363 O DOD A 405 0.98 REMARK 500 O DOD A 333 O DOD A 374 0.98 REMARK 500 O DOD A 461 O DOD A 466 0.98 REMARK 500 O DOD A 377 O DOD A 449 0.98 REMARK 500 O DOD A 423 O DOD A 453 0.98 REMARK 500 O DOD A 458 O DOD A 463 0.98 REMARK 500 O DOD A 433 O DOD A 478 0.98 REMARK 500 O DOD A 301 O DOD A 332 0.98 REMARK 500 O DOD A 490 O DOD A 492 0.98 REMARK 500 O DOD A 326 O DOD A 400 0.98 REMARK 500 O DOD A 354 O DOD A 379 0.98 REMARK 500 O DOD A 303 O DOD A 335 0.98 REMARK 500 O DOD A 325 O DOD A 329 0.98 REMARK 500 O DOD A 361 O DOD A 408 0.98 REMARK 500 O DOD A 328 O DOD A 383 0.98 REMARK 500 O DOD A 343 O DOD A 350 0.98 REMARK 500 O DOD A 341 O DOD A 380 0.98 REMARK 500 O DOD A 493 O DOD A 498 0.98 REMARK 500 O DOD A 324 O DOD A 411 0.98 REMARK 500 O DOD A 409 O DOD A 443 0.98 REMARK 500 O DOD A 318 O DOD A 409 0.98 REMARK 500 O DOD A 366 O DOD A 382 0.98 REMARK 500 O DOD A 444 O DOD A 474 0.98 REMARK 500 O DOD A 317 O DOD A 357 0.98 REMARK 500 O DOD A 500 O DOD A 501 0.98 REMARK 500 O DOD A 309 O DOD A 313 0.98 REMARK 500 O DOD A 368 O DOD A 425 0.98 REMARK 500 O DOD A 407 O DOD A 435 0.98 REMARK 500 O DOD A 349 O DOD A 445 0.98 REMARK 500 O DOD A 392 O DOD A 470 0.98 REMARK 500 O DOD A 417 O DOD A 429 0.98 REMARK 500 O DOD A 485 O DOD A 488 0.98 REMARK 500 O DOD A 344 O DOD A 420 0.98 REMARK 500 O DOD A 314 O DOD A 399 0.98 REMARK 500 O DOD A 426 O DOD A 438 0.98 REMARK 500 O DOD A 403 O DOD A 440 0.98 REMARK 500 O DOD A 334 O DOD A 342 0.98 REMARK 500 O DOD A 347 O DOD A 370 0.98 REMARK 500 O DOD A 352 O DOD A 429 0.98 REMARK 500 O DOD A 305 O DOD A 368 0.98 REMARK 500 O DOD A 358 O DOD A 420 0.98 REMARK 500 O DOD A 359 O DOD A 386 0.98 REMARK 500 O DOD A 353 O DOD A 356 0.98 REMARK 500 O DOD A 472 O DOD A 487 0.98 REMARK 500 O DOD A 394 O DOD A 418 0.98 REMARK 500 O DOD A 337 O DOD A 411 0.98 REMARK 500 REMARK 500 THIS ENTRY HAS 251 CLOSE CONTACTS 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 DOD A 362 O DOD A 373 2564 0.98 REMARK 500 O DOD A 471 O DOD A 483 2564 0.98 REMARK 500 O DOD A 327 O DOD A 410 4565 0.98 REMARK 500 O DOD A 387 O DOD A 404 3455 0.98 REMARK 500 O DOD A 452 O DOD A 476 3455 0.98 REMARK 500 O DOD A 467 O DOD A 483 2564 0.98 REMARK 500 O DOD A 407 O DOD A 426 2564 1.50 REMARK 500 O DOD A 362 O DOD A 378 2564 1.57 REMARK 500 O DOD A 371 O DOD A 410 4565 1.57 REMARK 500 O DOD A 427 O DOD A 452 2564 1.57 REMARK 500 O DOD A 346 O DOD A 387 2564 1.57 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 ASN A 54 16.29 56.73 REMARK 500 CYS A 69 -135.67 56.36 REMARK 500 SER A 100 0.09 -69.40 REMARK 500 VAL A 103 -143.00 -87.69 REMARK 500 THR A 165 -159.37 -102.10 REMARK 500 SER A 220 -127.53 -84.15 REMARK 500 ASN A 255 23.23 -145.14 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 DOD A 502 DISTANCE = 5.90 ANGSTROMS REMARK 525 DOD A 503 DISTANCE = 5.95 ANGSTROMS REMARK 525 DOD A 504 DISTANCE = 6.16 ANGSTROMS REMARK 525 DOD A 505 DISTANCE = 6.21 ANGSTROMS REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IYP RELATED DB: PDB REMARK 900 TOHO-1 BETA-LACTAMASE IN COMPLEX WITH CEPHALOTHIN REMARK 900 RELATED ID: 1WE4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CLASS A BETA-LACTAMASE TOHO-1 G238CMUTANT REMARK 900 RELATED ID: 2WYX RELATED DB: PDB REMARK 900 NEUTRON STRUCTURE OF A CLASS A BETA- LACTAMASE TOHO-1 E166A R274N REMARK 900 R276N TRIPLE MUTANT REMARK 900 RELATED ID: 1IYS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CLASS A BETA-LACTAMASE TOHO-1 REMARK 900 RELATED ID: 1IYO RELATED DB: PDB REMARK 900 TOHO-1 BETA-LACTAMASE IN COMPLEX WITH CEFOTAXIME REMARK 900 RELATED ID: 2XR0 RELATED DB: PDB REMARK 900 ROOM TEMPERATURE X-RAY STRUCTURE OF THE PERDEUTERATED TOHO-1 R274N REMARK 900 R276N DOUBLE MUTANT BETA-LACTAMASE REMARK 900 RELATED ID: 1BZA RELATED DB: PDB REMARK 900 BETA-LACTAMASE TOHO-1 FROM ESCHERICHIA COLI TUH12191 REMARK 900 RELATED ID: 1IYQ RELATED DB: PDB REMARK 900 TOHO-1 BETA-LACTAMASE IN COMPLEX WITH BENZYLPENICILLIN DBREF 2XQZ A 28 290 UNP Q47066 BLT1_ECOLX 32 291 SEQADV 2XQZ ASN A 274 UNP Q47066 ARG 275 ENGINEERED MUTATION SEQADV 2XQZ ASN A 276 UNP Q47066 ARG 277 ENGINEERED MUTATION SEQRES 1 A 260 SER VAL GLN GLN GLN LEU GLU ALA LEU GLU LYS SER SER SEQRES 2 A 260 GLY GLY ARG LEU GLY VAL ALA LEU ILE ASN THR ALA ASP SEQRES 3 A 260 ASN SER GLN ILE LEU TYR ARG ALA ASP GLU ARG PHE ALA SEQRES 4 A 260 MET CYS SER THR SER LYS VAL MET ALA ALA ALA ALA VAL SEQRES 5 A 260 LEU LYS GLN SER GLU SER ASP LYS HIS LEU LEU ASN GLN SEQRES 6 A 260 ARG VAL GLU ILE LYS LYS SER ASP LEU VAL ASN TYR ASN SEQRES 7 A 260 PRO ILE ALA GLU LYS HIS VAL ASN GLY THR MET THR LEU SEQRES 8 A 260 ALA GLU LEU GLY ALA ALA ALA LEU GLN TYR SER ASP ASN SEQRES 9 A 260 THR ALA MET ASN LYS LEU ILE ALA HIS LEU GLY GLY PRO SEQRES 10 A 260 ASP LYS VAL THR ALA PHE ALA ARG SER LEU GLY ASP GLU SEQRES 11 A 260 THR PHE ARG LEU ASP ARG THR GLU PRO THR LEU ASN THR SEQRES 12 A 260 ALA ILE PRO GLY ASP PRO ARG ASP THR THR THR PRO LEU SEQRES 13 A 260 ALA MET ALA GLN THR LEU LYS ASN LEU THR LEU GLY LYS SEQRES 14 A 260 ALA LEU ALA GLU THR GLN ARG ALA GLN LEU VAL THR TRP SEQRES 15 A 260 LEU LYS GLY ASN THR THR GLY SER ALA SER ILE ARG ALA SEQRES 16 A 260 GLY LEU PRO LYS SER TRP VAL VAL GLY ASP LYS THR GLY SEQRES 17 A 260 SER GLY ASP TYR GLY THR THR ASN ASP ILE ALA VAL ILE SEQRES 18 A 260 TRP PRO GLU ASN HIS ALA PRO LEU VAL LEU VAL THR TYR SEQRES 19 A 260 PHE THR GLN PRO GLU GLN LYS ALA GLU ASN ARG ASN ASP SEQRES 20 A 260 ILE LEU ALA ALA ALA ALA LYS ILE VAL THR HIS GLY PHE FORMUL 2 DOD *205(D2 O) HELIX 1 AA1 SER A 28 GLY A 41 1 14 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 HIS A 89 GLN A 93 5 5 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 THR A 118 TYR A 129 1 12 HELIX 8 AA8 ASP A 131 GLY A 143 1 13 HELIX 9 AA9 GLY A 144 LEU A 155 1 12 HELIX 10 AB1 PRO A 167 THR A 171 5 5 HELIX 11 AB2 THR A 182 GLY A 196 1 15 HELIX 12 AB3 ALA A 200 GLY A 213 1 14 HELIX 13 AB4 ARG A 275 THR A 287 1 13 SHEET 1 AA1 5 GLN A 56 TYR A 60 0 SHEET 2 AA1 5 ARG A 43 ASN A 50 -1 N VAL A 46 O TYR A 60 SHEET 3 AA1 5 LEU A 259 THR A 266 -1 O TYR A 264 N GLY A 45 SHEET 4 AA1 5 THR A 243 TRP A 251 -1 N ILE A 250 O LEU A 259 SHEET 5 AA1 5 VAL A 230 GLY A 238 -1 N GLY A 236 O ASN A 245 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 GLU A 96 ILE A 97 0 SHEET 2 AA3 2 GLY A 115 THR A 116 -1 O GLY A 115 N ILE A 97 CISPEP 1 GLU A 166 PRO A 167 0 -3.25 CRYST1 72.956 72.956 98.526 90.00 90.00 120.00 P 32 2 1 6 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 0.013707 0.007914 0.000000 0.00000 SCALE2 0.000000 0.015827 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010150 0.00000