HEADER HYDROLASE 22-DEC-21 7TBX TITLE CRYSTAL STRUCTURE OF D179Y KPC-2 BETA-LACTAMASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBAPENEM-HYDROLYZING BETA-LACTAMASE KPC; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CARBAPENEM-HYDROLYZING BETA-LACTAMASE KPC-1; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: 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, ANTIBIOTIC RESISTANCE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR F.VAN DEN AKKER,T.ALSENANI REVDAT 5 16-OCT-24 7TBX 1 REMARK REVDAT 4 18-OCT-23 7TBX 1 REMARK REVDAT 3 04-MAY-22 7TBX 1 JRNL REVDAT 2 13-APR-22 7TBX 1 JRNL REVDAT 1 02-MAR-22 7TBX 0 JRNL AUTH T.A.ALSENANI,S.L.VIVIANI,V.KUMAR,M.A.TARACILA,C.R.BETHEL, JRNL AUTH 2 M.D.BARNES,K.M.PAPP-WALLACE,R.K.SHIELDS,M.H.NGUYEN, JRNL AUTH 3 C.J.CLANCY,R.A.BONOMO,F.VAN DEN AKKER JRNL TITL STRUCTURAL CHARACTERIZATION OF THE D179N AND D179Y VARIANTS JRNL TITL 2 OF KPC-2 BETA-LACTAMASE: OMEGA-LOOP DESTABILIZATION AS A JRNL TITL 3 MECHANISM OF RESISTANCE TO CEFTAZIDIME-AVIBACTAM. JRNL REF ANTIMICROB.AGENTS CHEMOTHER. V. 66 41421 2022 JRNL REFN ESSN 1098-6596 JRNL PMID 35341315 JRNL DOI 10.1128/AAC.02414-21 REMARK 2 REMARK 2 RESOLUTION. 3.16 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.16 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.32 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.8 REMARK 3 NUMBER OF REFLECTIONS : 12438 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.249 REMARK 3 R VALUE (WORKING SET) : 0.247 REMARK 3 FREE R VALUE : 0.292 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.150 REMARK 3 FREE R VALUE TEST SET COUNT : 640 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 27.3200 - 5.3900 0.99 2563 142 0.1978 0.2500 REMARK 3 2 5.3900 - 4.2800 0.99 2531 131 0.2285 0.2554 REMARK 3 3 4.2800 - 3.7400 0.98 2516 121 0.2747 0.3188 REMARK 3 4 3.7400 - 3.4000 0.98 2469 145 0.3686 0.4188 REMARK 3 5 3.4000 - 3.1600 0.69 1719 101 0.4770 0.5046 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) : 0.920 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 44.780 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 119.8 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 129.4 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 7TBX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-DEC-21. REMARK 100 THE DEPOSITION ID IS D_1000261981. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-MAR-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 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-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92010 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13416 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.130 REMARK 200 RESOLUTION RANGE LOW (A) : 27.320 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 200 DATA REDUNDANCY : 5.100 REMARK 200 R MERGE (I) : 0.19500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.13 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.5 REMARK 200 DATA REDUNDANCY IN SHELL : 4.30 REMARK 200 R MERGE FOR SHELL (I) : 4.87100 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: 2OV5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1 M AMMONIUM CITRATE DIBASIC, 0.1 M REMARK 280 SODIUM ACETATE TRIHYDRATE PH 4.6, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 61.63100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 44.12400 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 61.63100 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 44.12400 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 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: B 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 THR A 23 REMARK 465 ASP A 163 REMARK 465 ARG A 164 REMARK 465 TRP A 165 REMARK 465 GLU A 166 REMARK 465 LEU A 167 REMARK 465 GLU A 168 REMARK 465 LEU A 169 REMARK 465 ASN A 170 REMARK 465 SER A 171 REMARK 465 ALA A 172 REMARK 465 ILE A 173 REMARK 465 PRO A 174 REMARK 465 GLY A 175 REMARK 465 ASP A 176 REMARK 465 ALA A 177 REMARK 465 ARG A 178 REMARK 465 GLY A 239 REMARK 465 VAL A 240 REMARK 465 TYR A 241 REMARK 465 PRO A 268 REMARK 465 ASN A 269 REMARK 465 LYS A 270 REMARK 465 ASP A 271 REMARK 465 ASP A 272 REMARK 465 LYS A 273 REMARK 465 HIS A 274 REMARK 465 ARG B 96 REMARK 465 TYR B 97 REMARK 465 GLY B 98 REMARK 465 LYS B 99 REMARK 465 ASN B 100 REMARK 465 ALA B 101 REMARK 465 LEU B 102 REMARK 465 VAL B 103 REMARK 465 PRO B 104 REMARK 465 TRP B 105 REMARK 465 SER B 106 REMARK 465 PRO B 107 REMARK 465 ILE B 108 REMARK 465 SER B 109 REMARK 465 GLU B 110 REMARK 465 LYS B 111 REMARK 465 TYR B 112 REMARK 465 LEU B 113 REMARK 465 THR B 114 REMARK 465 THR B 115 REMARK 465 GLY B 116 REMARK 465 ASP B 163 REMARK 465 ARG B 164 REMARK 465 TRP B 165 REMARK 465 GLU B 166 REMARK 465 LEU B 167 REMARK 465 GLU B 168 REMARK 465 LEU B 169 REMARK 465 ASN B 170 REMARK 465 SER B 171 REMARK 465 ALA B 172 REMARK 465 ILE B 173 REMARK 465 PRO B 174 REMARK 465 GLY B 175 REMARK 465 ASP B 176 REMARK 465 ALA B 177 REMARK 465 ARG B 178 REMARK 465 GLY B 239 REMARK 465 VAL B 240 REMARK 465 TYR B 241 REMARK 465 GLY B 242 REMARK 465 PRO B 268 REMARK 465 ASN B 269 REMARK 465 LYS B 270 REMARK 465 ASP B 271 REMARK 465 ASP B 272 REMARK 465 LYS B 273 REMARK 465 HIS B 274 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 SER A 53 -51.28 -146.97 REMARK 500 TYR A 60 106.56 -162.25 REMARK 500 CYS A 69 -123.52 57.71 REMARK 500 LYS A 99 -3.98 -153.48 REMARK 500 TRP A 105 74.37 55.95 REMARK 500 TYR A 112 63.65 -117.33 REMARK 500 LEU A 113 -93.60 -72.47 REMARK 500 ARG A 220 -115.94 -123.14 REMARK 500 THR A 254 105.44 -59.58 REMARK 500 SER B 53 -59.76 -145.26 REMARK 500 TYR B 60 108.90 -161.60 REMARK 500 CYS B 69 -120.99 54.28 REMARK 500 GLN B 87 75.78 -159.57 REMARK 500 ARG B 220 -112.69 -117.75 REMARK 500 ASP B 246 137.15 -170.11 REMARK 500 THR B 254 109.79 -57.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7TB7 RELATED DB: PDB DBREF 7TBX A 23 291 UNP Q9F663 BLKPC_KLEPN 23 289 DBREF 7TBX B 23 291 UNP Q9F663 BLKPC_KLEPN 23 289 SEQADV 7TBX TYR A 179 UNP Q9F663 ASP 178 ENGINEERED MUTATION SEQADV 7TBX TYR B 179 UNP Q9F663 ASP 178 ENGINEERED MUTATION SEQRES 1 A 267 THR ALA LEU THR ASN LEU VAL ALA GLU PRO PHE ALA LYS SEQRES 2 A 267 LEU GLU GLN ASP PHE GLY GLY SER ILE GLY VAL TYR ALA SEQRES 3 A 267 MET ASP THR GLY SER GLY ALA THR VAL SER TYR ARG ALA SEQRES 4 A 267 GLU GLU ARG PHE PRO LEU CYS SER SER PHE LYS GLY PHE SEQRES 5 A 267 LEU ALA ALA ALA VAL LEU ALA ARG SER GLN GLN GLN ALA SEQRES 6 A 267 GLY LEU LEU ASP THR PRO ILE ARG TYR GLY LYS ASN ALA SEQRES 7 A 267 LEU VAL PRO TRP SER PRO ILE SER GLU LYS TYR LEU THR SEQRES 8 A 267 THR GLY MET THR VAL ALA GLU LEU SER ALA ALA ALA VAL SEQRES 9 A 267 GLN TYR SER ASP ASN ALA ALA ALA ASN LEU LEU LEU LYS SEQRES 10 A 267 GLU LEU GLY GLY PRO ALA GLY LEU THR ALA PHE MET ARG SEQRES 11 A 267 SER ILE GLY ASP THR THR PHE ARG LEU ASP ARG TRP GLU SEQRES 12 A 267 LEU GLU LEU ASN SER ALA ILE PRO GLY ASP ALA ARG TYR SEQRES 13 A 267 THR SER SER PRO ARG ALA VAL THR GLU SER LEU GLN LYS SEQRES 14 A 267 LEU THR LEU GLY SER ALA LEU ALA ALA PRO GLN ARG GLN SEQRES 15 A 267 GLN PHE VAL ASP TRP LEU LYS GLY ASN THR THR GLY ASN SEQRES 16 A 267 HIS ARG ILE ARG ALA ALA VAL PRO ALA ASP TRP ALA VAL SEQRES 17 A 267 GLY ASP LYS THR GLY THR CYS GLY VAL TYR GLY THR ALA SEQRES 18 A 267 ASN ASP TYR ALA VAL VAL TRP PRO THR GLY ARG ALA PRO SEQRES 19 A 267 ILE VAL LEU ALA VAL TYR THR ARG ALA PRO ASN LYS ASP SEQRES 20 A 267 ASP LYS HIS SER GLU ALA VAL ILE ALA ALA ALA ALA ARG SEQRES 21 A 267 LEU ALA LEU GLU GLY LEU GLY SEQRES 1 B 267 THR ALA LEU THR ASN LEU VAL ALA GLU PRO PHE ALA LYS SEQRES 2 B 267 LEU GLU GLN ASP PHE GLY GLY SER ILE GLY VAL TYR ALA SEQRES 3 B 267 MET ASP THR GLY SER GLY ALA THR VAL SER TYR ARG ALA SEQRES 4 B 267 GLU GLU ARG PHE PRO LEU CYS SER SER PHE LYS GLY PHE SEQRES 5 B 267 LEU ALA ALA ALA VAL LEU ALA ARG SER GLN GLN GLN ALA SEQRES 6 B 267 GLY LEU LEU ASP THR PRO ILE ARG TYR GLY LYS ASN ALA SEQRES 7 B 267 LEU VAL PRO TRP SER PRO ILE SER GLU LYS TYR LEU THR SEQRES 8 B 267 THR GLY MET THR VAL ALA GLU LEU SER ALA ALA ALA VAL SEQRES 9 B 267 GLN TYR SER ASP ASN ALA ALA ALA ASN LEU LEU LEU LYS SEQRES 10 B 267 GLU LEU GLY GLY PRO ALA GLY LEU THR ALA PHE MET ARG SEQRES 11 B 267 SER ILE GLY ASP THR THR PHE ARG LEU ASP ARG TRP GLU SEQRES 12 B 267 LEU GLU LEU ASN SER ALA ILE PRO GLY ASP ALA ARG TYR SEQRES 13 B 267 THR SER SER PRO ARG ALA VAL THR GLU SER LEU GLN LYS SEQRES 14 B 267 LEU THR LEU GLY SER ALA LEU ALA ALA PRO GLN ARG GLN SEQRES 15 B 267 GLN PHE VAL ASP TRP LEU LYS GLY ASN THR THR GLY ASN SEQRES 16 B 267 HIS ARG ILE ARG ALA ALA VAL PRO ALA ASP TRP ALA VAL SEQRES 17 B 267 GLY ASP LYS THR GLY THR CYS GLY VAL TYR GLY THR ALA SEQRES 18 B 267 ASN ASP TYR ALA VAL VAL TRP PRO THR GLY ARG ALA PRO SEQRES 19 B 267 ILE VAL LEU ALA VAL TYR THR ARG ALA PRO ASN LYS ASP SEQRES 20 B 267 ASP LYS HIS SER GLU ALA VAL ILE ALA ALA ALA ALA ARG SEQRES 21 B 267 LEU ALA LEU GLU GLY LEU GLY HELIX 1 AA1 VAL A 29 GLN A 38 1 10 HELIX 2 AA2 SER A 71 SER A 84 1 14 HELIX 3 AA3 SER A 109 LEU A 113 5 5 HELIX 4 AA4 VAL A 119 TYR A 129 1 11 HELIX 5 AA5 ASP A 131 GLU A 141 1 11 HELIX 6 AA6 GLY A 144 GLY A 156 1 13 HELIX 7 AA7 SER A 182 LEU A 195 1 14 HELIX 8 AA8 ALA A 200 GLY A 213 1 14 HELIX 9 AA9 GLU A 276 LEU A 290 1 15 HELIX 10 AB1 LEU B 25 GLN B 38 1 14 HELIX 11 AB2 SER B 71 SER B 84 1 14 HELIX 12 AB3 THR B 118 TYR B 129 1 12 HELIX 13 AB4 ASP B 131 GLU B 141 1 11 HELIX 14 AB5 GLY B 144 GLY B 156 1 13 HELIX 15 AB6 SER B 182 LEU B 195 1 14 HELIX 16 AB7 ALA B 200 GLY B 213 1 14 HELIX 17 AB8 GLU B 276 LEU B 290 1 15 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 TYR A 264 N GLY A 45 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 SHEET 1 AA4 5 SER B 59 TYR B 60 0 SHEET 2 AA4 5 SER B 43 ASP B 50 -1 N VAL B 46 O TYR B 60 SHEET 3 AA4 5 ILE B 259 ARG B 266 -1 O TYR B 264 N GLY B 45 SHEET 4 AA4 5 ASN B 245 TRP B 251 -1 N ASP B 246 O VAL B 263 SHEET 5 AA4 5 ALA B 230 GLY B 236 -1 N ALA B 230 O TRP B 251 SHEET 1 AA5 2 PHE B 66 PRO B 67 0 SHEET 2 AA5 2 THR B 180 SER B 181 -1 O SER B 181 N PHE B 66 SSBOND 1 CYS A 69 CYS A 238 1555 1555 2.03 SSBOND 2 CYS B 69 CYS B 238 1555 1555 2.03 CRYST1 123.262 88.248 77.046 90.00 109.76 90.00 C 1 2 1 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 0.008113 0.000000 0.002915 0.00000 SCALE2 0.000000 0.011332 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013792 0.00000