HEADER HYDROLASE 04-DEC-19 6V5E TITLE CRYSTAL STRUCTURE OF CTX-M-14 P167S/D240G BETA-LACTAMASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.2.6; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: BLACTX-M-14, BETA-LACTAMASE CTX-M-14, BLA, BLA CTX-M-14, BLA- SOURCE 5 CTX-M-14A, BLACTX-M, BLACTX-M-14A, BLACTX-M-14B, BLACTX-M-14C, SOURCE 6 BLACTX-M-27B, BLATOHO-3, BLAUOE-2, CTX-M-14, AM465_01285, SOURCE 7 AM465_06510, AM465_23360, APT94_14605, BEN53_26220, BET08_34355, SOURCE 8 BJJ90_27545, BK334_27290, BOH76_00730, BON63_16015, BON66_01305, SOURCE 9 BON69_22545, BON71_04040, BON75_10525, BON76_14325, BON81_01055, SOURCE 10 BON83_15455, BON86_08515, BON91_02075, BON92_04750, BON94_23850, SOURCE 11 BON95_01680, BON96_03940, BXT93_06855, C5N07_28500, C5P43_21980, SOURCE 12 CDL37_21060, CR538_26855, CRT46_23505, DW236_20870, EIA08_25160, SOURCE 13 EIA21_26975, ELT23_05930, ETN48_P0088, FNJ69_13810, FQR64_24895, SOURCE 14 FTV90_03295, PCT_085, PHK01_011, RCS103_P0010, RCS30_P0082, SOURCE 15 RCS56_P0085, RCS60_P0031, RCS63_P0006, RCS65_P0008, RCS66_P0053, SOURCE 16 SAMEA4362930_00013, SAMEA4370290_00046; SOURCE 17 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 18 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 19 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS DRUG RESISTANCE, PROTEIN EVOLUTION, CONFORMATIONAL CHANGE, ENZYME KEYWDS 2 KINETICS, ENZYME CATALYSIS, PROTEIN STABILITY, PROTEIN-DRUG KEYWDS 3 INTERACTION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR C.A.BROWN,L.HU,B.SANKARAN,B.V.V.PRASAD,T.G.PALZKILL REVDAT 5 11-OCT-23 6V5E 1 REMARK REVDAT 4 30-JUN-21 6V5E 1 AUTHOR REVDAT 3 03-JUN-20 6V5E 1 JRNL REVDAT 2 29-APR-20 6V5E 1 JRNL REVDAT 1 22-APR-20 6V5E 0 JRNL AUTH C.A.BROWN,L.HU,Z.SUN,M.P.PATEL,S.SINGH,J.R.PORTER, JRNL AUTH 2 B.SANKARAN,B.V.V.PRASAD,G.R.BOWMAN,T.PALZKILL JRNL TITL ANTAGONISM BETWEEN SUBSTITUTIONS IN BETA-LACTAMASE EXPLAINS JRNL TITL 2 A PATH NOT TAKEN IN THE EVOLUTION OF BACTERIAL DRUG JRNL TITL 3 RESISTANCE. JRNL REF J.BIOL.CHEM. V. 295 7376 2020 JRNL REFN ESSN 1083-351X JRNL PMID 32299911 JRNL DOI 10.1074/JBC.RA119.012489 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.17_3644 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.3 REMARK 3 NUMBER OF REFLECTIONS : 10104 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.188 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.690 REMARK 3 FREE R VALUE TEST SET COUNT : 474 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 41.7000 - 3.3200 0.90 3465 150 0.1673 0.2108 REMARK 3 2 3.3200 - 2.6300 0.89 3154 164 0.2087 0.2941 REMARK 3 3 2.6300 - 2.3000 0.86 3011 160 0.2097 0.2985 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.273 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.936 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.57 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.00 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 : 0.003 1991 REMARK 3 ANGLE : 0.685 2709 REMARK 3 CHIRALITY : 0.046 322 REMARK 3 PLANARITY : 0.005 354 REMARK 3 DIHEDRAL : 16.333 283 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 25 THROUGH 50 ) REMARK 3 ORIGIN FOR THE GROUP (A): 34.2125 21.7918 18.8692 REMARK 3 T TENSOR REMARK 3 T11: 0.2782 T22: 0.2228 REMARK 3 T33: 0.2769 T12: -0.0087 REMARK 3 T13: 0.0450 T23: 0.0282 REMARK 3 L TENSOR REMARK 3 L11: 5.8073 L22: 4.1985 REMARK 3 L33: 5.0844 L12: 0.6221 REMARK 3 L13: 2.6134 L23: 1.0097 REMARK 3 S TENSOR REMARK 3 S11: -0.0013 S12: 0.1989 S13: 0.3017 REMARK 3 S21: -0.0703 S22: -0.1932 S23: -0.4453 REMARK 3 S31: -0.3330 S32: 0.6630 S33: 0.0893 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 51 THROUGH 251 ) REMARK 3 ORIGIN FOR THE GROUP (A): 17.9843 4.5852 17.4895 REMARK 3 T TENSOR REMARK 3 T11: 0.2283 T22: 0.2334 REMARK 3 T33: 0.2148 T12: 0.0188 REMARK 3 T13: 0.0165 T23: -0.0014 REMARK 3 L TENSOR REMARK 3 L11: 0.6503 L22: 1.3175 REMARK 3 L33: 0.5942 L12: 0.3800 REMARK 3 L13: 0.2611 L23: -0.1699 REMARK 3 S TENSOR REMARK 3 S11: 0.0309 S12: 0.0248 S13: -0.0228 REMARK 3 S21: 0.0033 S22: 0.0054 S23: 0.0257 REMARK 3 S31: 0.1059 S32: -0.0287 S33: -0.0264 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 252 THROUGH 275 ) REMARK 3 ORIGIN FOR THE GROUP (A): 26.6887 15.6322 22.9509 REMARK 3 T TENSOR REMARK 3 T11: 0.3041 T22: 0.2112 REMARK 3 T33: 0.1930 T12: -0.0427 REMARK 3 T13: -0.0304 T23: 0.0109 REMARK 3 L TENSOR REMARK 3 L11: 2.1364 L22: 2.7493 REMARK 3 L33: 3.1314 L12: -1.5807 REMARK 3 L13: 1.6769 L23: -1.8704 REMARK 3 S TENSOR REMARK 3 S11: 0.0268 S12: -0.1879 S13: -0.0394 REMARK 3 S21: 0.3026 S22: 0.0506 S23: 0.1276 REMARK 3 S31: 0.1770 S32: 0.0190 S33: -0.0985 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 276 THROUGH 290 ) REMARK 3 ORIGIN FOR THE GROUP (A): 26.0395 23.7065 22.7840 REMARK 3 T TENSOR REMARK 3 T11: 0.3019 T22: 0.1612 REMARK 3 T33: 0.1866 T12: 0.0134 REMARK 3 T13: -0.0407 T23: -0.0336 REMARK 3 L TENSOR REMARK 3 L11: 3.6509 L22: 6.9321 REMARK 3 L33: 7.9495 L12: -0.5307 REMARK 3 L13: 0.6819 L23: -4.3587 REMARK 3 S TENSOR REMARK 3 S11: 0.1297 S12: -0.1501 S13: 0.2069 REMARK 3 S21: -0.1516 S22: -0.1568 S23: 0.0695 REMARK 3 S31: -0.5747 S32: -0.3287 S33: 0.0249 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 6V5E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-DEC-19. REMARK 100 THE DEPOSITION ID IS D_1000245765. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAR-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97741 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10104 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 41.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.3 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.08400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.12100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: 1YLT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.11 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MIB BUFFER PH 4.0, 25% (W/V) PEG REMARK 280 1500, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 130.81900 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 21.11850 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 21.11850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 65.40950 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 21.11850 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 21.11850 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 196.22850 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 21.11850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 21.11850 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 65.40950 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 21.11850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 21.11850 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 196.22850 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 130.81900 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: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10720 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 385 LIES ON A SPECIAL POSITION. 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 -136.80 48.36 REMARK 500 TYR A 105 73.11 65.87 REMARK 500 LYS A 111 4.09 -67.81 REMARK 500 SER A 220 -131.26 -103.05 REMARK 500 REMARK 500 REMARK: NULL DBREF 6V5E A 25 290 UNP Q9L5C7 Q9L5C7_ECOLX 29 291 SEQADV 6V5E SER A 167 UNP Q9L5C7 PRO 170 ENGINEERED MUTATION SEQADV 6V5E GLY A 240 UNP Q9L5C7 ASP 242 ENGINEERED MUTATION SEQRES 1 A 263 GLN THR SER ALA VAL GLN GLN LYS LEU ALA ALA LEU GLU SEQRES 2 A 263 LYS SER SER GLY GLY ARG LEU GLY VAL ALA LEU ILE ASP SEQRES 3 A 263 THR ALA ASP ASN THR GLN VAL LEU TYR ARG GLY ASP GLU SEQRES 4 A 263 ARG PHE PRO MET CYS SEE THR SER LYS VAL MET ALA ALA SEQRES 5 A 263 ALA ALA VAL LEU LYS GLN SER GLU THR GLN LYS GLN LEU SEQRES 6 A 263 LEU ASN GLN PRO VAL GLU ILE LYS PRO ALA ASP LEU VAL SEQRES 7 A 263 ASN TYR ASN PRO ILE ALA GLU LYS HIS VAL ASN GLY THR SEQRES 8 A 263 MET THR LEU ALA GLU LEU SER ALA ALA ALA LEU GLN TYR SEQRES 9 A 263 SER ASP ASN THR ALA MET ASN LYS LEU ILE ALA GLN LEU SEQRES 10 A 263 GLY GLY PRO GLY GLY VAL THR ALA PHE ALA ARG ALA ILE SEQRES 11 A 263 GLY ASP GLU THR PHE ARG LEU ASP ARG THR GLU SER THR SEQRES 12 A 263 LEU ASN THR ALA ILE PRO GLY ASP PRO ARG ASP THR THR SEQRES 13 A 263 THR PRO ARG ALA MET ALA GLN THR LEU ARG GLN LEU THR SEQRES 14 A 263 LEU GLY HIS ALA LEU GLY GLU THR GLN ARG ALA GLN LEU SEQRES 15 A 263 VAL THR TRP LEU LYS GLY ASN THR THR GLY ALA ALA SER SEQRES 16 A 263 ILE ARG ALA GLY LEU PRO THR SER TRP THR VAL GLY ASP SEQRES 17 A 263 LYS THR GLY SER GLY GLY TYR GLY THR THR ASN ASP ILE SEQRES 18 A 263 ALA VAL ILE TRP PRO GLN GLY ARG ALA PRO LEU VAL LEU SEQRES 19 A 263 VAL THR TYR PHE THR GLN PRO GLN GLN ASN ALA GLU SER SEQRES 20 A 263 ARG ARG ASP VAL LEU ALA SER ALA ALA ARG ILE ILE ALA SEQRES 21 A 263 GLU GLY LEU MODRES 6V5E SEE A 70 SER MODIFIED RESIDUE HET SEE A 70 10 HETNAM SEE TRIHYDROXY(L-SERINATO-KAPPAO~3~)BORATE(1-) FORMUL 1 SEE C3 H9 B N O6 1- FORMUL 2 HOH *124(H2 O) HELIX 1 AA1 GLN A 25 GLY A 41 1 17 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 THR A 86 ASN A 92 5 7 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 LEU A 142 1 12 HELIX 9 AA9 GLY A 144 ILE A 155 1 12 HELIX 10 AB1 SER A 167 THR A 171 5 5 HELIX 11 AB2 THR 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 275 LEU A 290 1 16 SHEET 1 AA1 5 GLN A 56 TYR A 60 0 SHEET 2 AA1 5 ARG A 43 ASP 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 THR A 230 GLY A 238 -1 N GLY A 232 O VAL A 249 SHEET 1 AA2 2 PHE A 66 PRO 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 PRO A 94 ILE A 97 0 SHEET 2 AA3 2 GLY A 115 THR A 118 -1 O MET A 117 N VAL A 95 LINK C CYS A 69 N SEE A 70 1555 1555 1.33 LINK C SEE A 70 N THR A 71 1555 1555 1.33 CISPEP 1 GLU A 166 SER A 167 0 -0.48 CRYST1 42.237 42.237 261.638 90.00 90.00 90.00 P 41 21 2 8 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 0.023676 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023676 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003822 0.00000