HEADER HYDROLASE 02-OCT-01 1K38 TITLE CRYSTAL STRUCTURE OF THE CLASS D BETA-LACTAMASE OXA-2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE OXA-2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PENICILLINASE; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM; SOURCE 3 ORGANISM_TAXID: 602; SOURCE 4 GENE: OXA-2; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM105; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PDML303 KEYWDS SERINE BETA-LACTAMASE, HYDROLASE, ANTIBIOTIC RESISTANCE, CARBAMYLATED KEYWDS 2 LYSINE EXPDTA X-RAY DIFFRACTION AUTHOR F.KERFF,E.FONZE,F.BOUILLENNE,J.M.FRERE,P.CHARLIER REVDAT 3 16-AUG-23 1K38 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1K38 1 VERSN REVDAT 1 24-JUN-03 1K38 0 JRNL AUTH F.KERFF,E.FONZE,F.BOUILLENNE,J.M.FRERE,P.CHARLIER JRNL TITL CRYSTAL STRUCTURE OF THE CLASS D BETA-LACTAMASE OXA-2 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.LEDENT,J.M.FRERE REMARK 1 TITL SUBSTRATE INACTIVATION OF THE OXA2 BETA-LACTAMASE REMARK 1 REF BIOCHEM.J. V. 295 871 1993 REMARK 1 REFN ISSN 0264-6021 REMARK 1 REFERENCE 2 REMARK 1 AUTH P.LEDENT,X.RAQUET,B.JORIS,J.VAN BEUMEN,J.M.FRERE REMARK 1 TITL A COMPARATIVE STUDY OF CLASS-D BETA-LACTAMASE REMARK 1 REF BIOCHEM.J. V. 292 555 1993 REMARK 1 REFN ISSN 0264-6021 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2683187.980 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.4 REMARK 3 NUMBER OF REFLECTIONS : 80903 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 8115 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.002 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.55 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 74.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5830 REMARK 3 BIN R VALUE (WORKING SET) : 0.2870 REMARK 3 BIN FREE R VALUE : 0.3350 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 630 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.013 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3926 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 9 REMARK 3 SOLVENT ATOMS : 314 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.60000 REMARK 3 B22 (A**2) : 4.93000 REMARK 3 B33 (A**2) : -5.53000 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.17 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.19 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.810 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.160 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.850 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.840 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.740 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 45.30 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_PSE.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : FMT.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN-PSE.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : FMT.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K38 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014504. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUN-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 86412 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 25.080 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.4 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04400 REMARK 200 FOR THE DATA SET : 10.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.49 REMARK 200 COMPLETENESS FOR SHELL (%) : 50.7 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.29700 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1K4F, STRUCTURE OF OXA-10 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM FORMATE, BICINE, PH 9, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 64.58400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 64.58400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 39.48950 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 53.44950 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 39.48950 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 53.44950 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 64.58400 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 39.48950 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 53.44950 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 64.58400 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 39.48950 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 53.44950 REMARK 290 SMTRY3 8 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER OR A DIMER DEPENDING REMARK 300 ON CONDITIONS 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 B 543 LIES ON A SPECIAL POSITION. 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 GLN A 17 REMARK 465 GLU A 18 REMARK 465 GLY A 19 REMARK 465 SER A 149 REMARK 465 ASN A 150 REMARK 465 ASN A 261 REMARK 465 PRO A 262 REMARK 465 ALA A 263 REMARK 465 VAL A 264 REMARK 465 ASN A 265 REMARK 465 SER A 266 REMARK 465 ASP A 267 REMARK 465 ALA A 268 REMARK 465 ALA A 269 REMARK 465 ARG A 270 REMARK 465 GLN B 17 REMARK 465 GLU B 18 REMARK 465 GLY B 19 REMARK 465 PHE B 99 REMARK 465 ALA B 100 REMARK 465 GLY B 101 REMARK 465 SER B 149 REMARK 465 ASN B 150 REMARK 465 GLY B 151 REMARK 465 ASN B 261 REMARK 465 PRO B 262 REMARK 465 ALA B 263 REMARK 465 VAL B 264 REMARK 465 ASN B 265 REMARK 465 SER B 266 REMARK 465 ASP B 267 REMARK 465 ALA B 268 REMARK 465 ALA B 269 REMARK 465 ARG B 270 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 ARG A 23 72.09 -114.00 REMARK 500 GLN A 34 56.20 39.87 REMARK 500 ASP A 55 72.53 62.91 REMARK 500 ALA A 66 -143.53 54.56 REMARK 500 ASP A 85 -167.20 -164.06 REMARK 500 GLN A 104 164.24 179.92 REMARK 500 ARG A 237 -123.02 51.33 REMARK 500 ASP B 48 70.38 51.70 REMARK 500 ASP B 55 73.78 63.59 REMARK 500 ALA B 66 -144.45 53.98 REMARK 500 ASP B 85 -168.38 -160.08 REMARK 500 ARG B 237 -125.03 57.53 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT B 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT B 403 DBREF 1K38 A 17 270 UNP P0A1V8 BLO2_SALTY 22 275 DBREF 1K38 B 17 270 UNP P0A1V8 BLO2_SALTY 22 275 SEQADV 1K38 KCX A 70 UNP P0A1V8 LYS 75 MODIFIED RESIDUE SEQADV 1K38 KCX B 70 UNP P0A1V8 LYS 75 MODIFIED RESIDUE SEQRES 1 A 254 GLN GLU GLY THR LEU GLU ARG SER ASP TRP ARG LYS PHE SEQRES 2 A 254 PHE SER GLU PHE GLN ALA LYS GLY THR ILE VAL VAL ALA SEQRES 3 A 254 ASP GLU ARG GLN ALA ASP ARG ALA MET LEU VAL PHE ASP SEQRES 4 A 254 PRO VAL ARG SER LYS LYS ARG TYR SER PRO ALA SER THR SEQRES 5 A 254 PHE KCX ILE PRO HIS THR LEU PHE ALA LEU ASP ALA GLY SEQRES 6 A 254 ALA VAL ARG ASP GLU PHE GLN ILE PHE ARG TRP ASP GLY SEQRES 7 A 254 VAL ASN ARG GLY PHE ALA GLY HIS ASN GLN ASP GLN ASP SEQRES 8 A 254 LEU ARG SER ALA MET ARG ASN SER THR VAL TRP VAL TYR SEQRES 9 A 254 GLU LEU PHE ALA LYS GLU ILE GLY ASP ASP LYS ALA ARG SEQRES 10 A 254 ARG TYR LEU LYS LYS ILE ASP TYR GLY ASN ALA ASP PRO SEQRES 11 A 254 SER THR SER ASN GLY ASP TYR TRP ILE GLU GLY SER LEU SEQRES 12 A 254 ALA ILE SER ALA GLN GLU GLN ILE ALA PHE LEU ARG LYS SEQRES 13 A 254 LEU TYR ARG ASN GLU LEU PRO PHE ARG VAL GLU HIS GLN SEQRES 14 A 254 ARG LEU VAL LYS ASP LEU MET ILE VAL GLU ALA GLY ARG SEQRES 15 A 254 ASN TRP ILE LEU ARG ALA LYS THR GLY TRP GLU GLY ARG SEQRES 16 A 254 MET GLY TRP TRP VAL GLY TRP VAL GLU TRP PRO THR GLY SEQRES 17 A 254 SER VAL PHE PHE ALA LEU ASN ILE ASP THR PRO ASN ARG SEQRES 18 A 254 MET ASP ASP LEU PHE LYS ARG GLU ALA ILE VAL ARG ALA SEQRES 19 A 254 ILE LEU ARG SER ILE GLU ALA LEU PRO PRO ASN PRO ALA SEQRES 20 A 254 VAL ASN SER ASP ALA ALA ARG SEQRES 1 B 254 GLN GLU GLY THR LEU GLU ARG SER ASP TRP ARG LYS PHE SEQRES 2 B 254 PHE SER GLU PHE GLN ALA LYS GLY THR ILE VAL VAL ALA SEQRES 3 B 254 ASP GLU ARG GLN ALA ASP ARG ALA MET LEU VAL PHE ASP SEQRES 4 B 254 PRO VAL ARG SER LYS LYS ARG TYR SER PRO ALA SER THR SEQRES 5 B 254 PHE KCX ILE PRO HIS THR LEU PHE ALA LEU ASP ALA GLY SEQRES 6 B 254 ALA VAL ARG ASP GLU PHE GLN ILE PHE ARG TRP ASP GLY SEQRES 7 B 254 VAL ASN ARG GLY PHE ALA GLY HIS ASN GLN ASP GLN ASP SEQRES 8 B 254 LEU ARG SER ALA MET ARG ASN SER THR VAL TRP VAL TYR SEQRES 9 B 254 GLU LEU PHE ALA LYS GLU ILE GLY ASP ASP LYS ALA ARG SEQRES 10 B 254 ARG TYR LEU LYS LYS ILE ASP TYR GLY ASN ALA ASP PRO SEQRES 11 B 254 SER THR SER ASN GLY ASP TYR TRP ILE GLU GLY SER LEU SEQRES 12 B 254 ALA ILE SER ALA GLN GLU GLN ILE ALA PHE LEU ARG LYS SEQRES 13 B 254 LEU TYR ARG ASN GLU LEU PRO PHE ARG VAL GLU HIS GLN SEQRES 14 B 254 ARG LEU VAL LYS ASP LEU MET ILE VAL GLU ALA GLY ARG SEQRES 15 B 254 ASN TRP ILE LEU ARG ALA LYS THR GLY TRP GLU GLY ARG SEQRES 16 B 254 MET GLY TRP TRP VAL GLY TRP VAL GLU TRP PRO THR GLY SEQRES 17 B 254 SER VAL PHE PHE ALA LEU ASN ILE ASP THR PRO ASN ARG SEQRES 18 B 254 MET ASP ASP LEU PHE LYS ARG GLU ALA ILE VAL ARG ALA SEQRES 19 B 254 ILE LEU ARG SER ILE GLU ALA LEU PRO PRO ASN PRO ALA SEQRES 20 B 254 VAL ASN SER ASP ALA ALA ARG MODRES 1K38 KCX A 70 LYS LYSINE NZ-CARBOXYLIC ACID MODRES 1K38 KCX B 70 LYS LYSINE NZ-CARBOXYLIC ACID HET KCX A 70 12 HET KCX B 70 12 HET FMT A 401 3 HET FMT B 402 3 HET FMT B 403 3 HETNAM KCX LYSINE NZ-CARBOXYLIC ACID HETNAM FMT FORMIC ACID FORMUL 1 KCX 2(C7 H14 N2 O4) FORMUL 3 FMT 3(C H2 O2) FORMUL 6 HOH *314(H2 O) HELIX 1 1 TRP A 26 PHE A 33 1 8 HELIX 2 2 ASP A 55 LYS A 60 1 6 HELIX 3 3 PRO A 65 THR A 68 5 4 HELIX 4 4 PHE A 69 ALA A 80 1 12 HELIX 5 5 ASP A 107 ASN A 114 1 8 HELIX 6 6 THR A 116 GLY A 128 1 13 HELIX 7 7 GLY A 128 ILE A 139 1 12 HELIX 8 8 SER A 162 ARG A 175 1 14 HELIX 9 9 ARG A 181 MET A 192 1 12 HELIX 10 10 ASN A 236 LEU A 241 5 6 HELIX 11 11 PHE A 242 ILE A 255 1 14 HELIX 12 12 TRP B 26 PHE B 33 1 8 HELIX 13 13 ASP B 55 LYS B 60 1 6 HELIX 14 14 PRO B 65 THR B 68 5 4 HELIX 15 15 PHE B 69 ALA B 80 1 12 HELIX 16 16 ASP B 107 SER B 115 1 9 HELIX 17 17 THR B 116 GLY B 128 1 13 HELIX 18 18 GLY B 128 ILE B 139 1 12 HELIX 19 19 ASP B 152 GLY B 157 1 6 HELIX 20 20 SER B 162 ARG B 175 1 14 HELIX 21 21 ARG B 181 MET B 192 1 12 HELIX 22 22 ASN B 236 LEU B 241 5 6 HELIX 23 23 PHE B 242 ILE B 255 1 14 SHEET 1 A 7 LEU A 21 GLU A 22 0 SHEET 2 A 7 LEU A 52 PHE A 54 1 O VAL A 53 N LEU A 21 SHEET 3 A 7 GLY A 37 ASP A 43 -1 N VAL A 41 O LEU A 52 SHEET 4 A 7 GLY A 224 ASP A 233 -1 O PHE A 227 N ALA A 42 SHEET 5 A 7 MET A 212 TRP A 221 -1 N GLY A 213 O ILE A 232 SHEET 6 A 7 TRP A 200 TRP A 208 -1 N ARG A 203 O TRP A 218 SHEET 7 A 7 ILE A 193 GLY A 197 -1 N GLU A 195 O LEU A 202 SHEET 1 B 7 LEU B 21 GLU B 22 0 SHEET 2 B 7 LEU B 52 PHE B 54 1 O VAL B 53 N LEU B 21 SHEET 3 B 7 GLY B 37 ASP B 43 -1 N VAL B 41 O LEU B 52 SHEET 4 B 7 GLY B 224 ASP B 233 -1 O PHE B 227 N ALA B 42 SHEET 5 B 7 MET B 212 TRP B 221 -1 N GLY B 217 O PHE B 228 SHEET 6 B 7 TRP B 200 TRP B 208 -1 N GLY B 207 O TRP B 214 SHEET 7 B 7 ILE B 193 GLY B 197 -1 N GLY B 197 O TRP B 200 LINK C PHE A 69 N KCX A 70 1555 1555 1.33 LINK C KCX A 70 N ILE A 71 1555 1555 1.33 LINK C PHE B 69 N KCX B 70 1555 1555 1.33 LINK C KCX B 70 N ILE B 71 1555 1555 1.33 SITE 1 AC1 6 SER A 115 THR A 206 GLY A 207 TRP A 208 SITE 2 AC1 6 ARG A 244 ASN B 96 SITE 1 AC2 5 ASN A 96 SER B 115 THR B 206 TRP B 208 SITE 2 AC2 5 ARG B 244 SITE 1 AC3 6 HOH A 479 PHE B 180 ARG B 181 HOH B 406 SITE 2 AC3 6 HOH B 429 HOH B 501 CRYST1 78.979 106.899 129.168 90.00 90.00 90.00 C 2 2 21 16 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 0.012662 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009355 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007742 0.00000