HEADER HYDROLASE 16-JUL-02 1M6K TITLE STRUCTURE OF THE OXA-1 CLASS D BETA-LACTAMASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE OXA-1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PENICILLINASE, OXACILLINASE; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: OXA1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET12A KEYWDS SIDE CHAIN MODIFICATION, LYSINE CARBAMYLATION, HYDROLYSIS, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.SUN,M.NUKAGA,K.MAYAMA,E.H.BRASWELL,J.R.KNOX REVDAT 2 24-FEB-09 1M6K 1 VERSN REVDAT 1 14-JAN-03 1M6K 0 JRNL AUTH T.SUN,M.NUKAGA,K.MAYAMA,E.H.BRASWELL,J.R.KNOX JRNL TITL COMPARISON OF BETA-LACTAMASES OF CLASSES A AND D: JRNL TITL 2 1.5A CRYSTALLOGRAPHIC STRUCTURE OF THE CLASS D JRNL TITL 3 OXA-1 OXACILLINASE JRNL REF PROTEIN SCI. V. 12 82 2003 JRNL REFN ISSN 0961-8368 JRNL PMID 12493831 JRNL DOI 10.1110/PS.0224303 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.SUN,M.NUKAGA,K.MAYAMA,G.V.CRICHLOW,A.P.KUZIN, REMARK 1 AUTH 2 J.R.KNOX REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY STUDY OF REMARK 1 TITL 2 OXA-1, A CLASS D BETA-LACTAMASE REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 57 1912 2001 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444901016274 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 48.21 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 500.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.1 REMARK 3 NUMBER OF REFLECTIONS : 68784 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) : 0.182 REMARK 3 FREE R VALUE : 0.203 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 1.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1396 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 1 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.55 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 48.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2979 REMARK 3 BIN R VALUE (WORKING SET) : 0.2120 REMARK 3 BIN FREE R VALUE : 0.2250 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 91 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3931 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 639 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.40 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.16 REMARK 3 ESD FROM SIGMAA (A) : 0.09 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) : 0.18 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.08 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.41 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.81 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC B-FACTORS REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.039 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.574 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.808 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.644 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1M6K COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JUL-02. REMARK 100 THE RCSB ID CODE IS RCSB016660. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-FEB-99; 08-JUN-01 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : CHESS; CHESS REMARK 200 BEAMLINE : A1; A1 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 0.935; 0.929 REMARK 200 MONOCHROMATOR : CRYSTAL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69837 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.490 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.5 REMARK 200 DATA REDUNDANCY : 2.600 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : 0.04900 REMARK 200 FOR THE DATA SET : 23.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 36.9 REMARK 200 DATA REDUNDANCY IN SHELL : 1.50 REMARK 200 R MERGE FOR SHELL (I) : 0.12300 REMARK 200 R SYM FOR SHELL (I) : 0.12300 REMARK 200 FOR SHELL : 5.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRIES 1FOF AND 1E4D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000 (10/20%), 50 MM HEPES, PH REMARK 280 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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: 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 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 LYS A 150 REMARK 465 LYS B 150 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 SER A 18 OG REMARK 470 THR A 19 OG1 CG2 REMARK 470 ASP A 149 CG OD1 OD2 REMARK 470 GLU A 151 CG CD OE1 OE2 REMARK 470 SER B 18 CB OG REMARK 470 THR B 19 OG1 CG2 REMARK 470 GLU B 151 CB CG CD OE1 OE2 REMARK 470 ARG B 152 CG CD NE CZ NH1 NH2 REMARK 470 ASN B 153 CB CG OD1 ND2 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 THR A 19 110.66 -167.66 REMARK 500 ASP A 66 -138.30 51.64 REMARK 500 SER A 163 -134.51 -133.35 REMARK 500 ASN A 183 45.16 -99.32 REMARK 500 SER A 206 0.20 80.10 REMARK 500 LEU A 255 96.52 -69.44 REMARK 500 ASP B 66 -138.47 51.25 REMARK 500 GLN B 144 28.84 47.32 REMARK 500 GLU B 158 8.22 -151.69 REMARK 500 SER B 163 -135.21 -131.80 REMARK 500 ASN B 183 48.87 -98.90 REMARK 500 SER B 206 0.28 80.01 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 915 DISTANCE = 5.45 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 401 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 402 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 403 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 404 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 405 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 406 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 407 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 408 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 409 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 410 REMARK 999 REMARK 999 SEQUENCE REMARK 999 AUTHORS STATE THAT THE MATURE, CRYSTALLIZED REMARK 999 PROTEIN STARTS AT RESIDUE 18 AS CONFIRMED BY REMARK 999 SEQUENCING. RESIDUES 16 AND 17 ARE IN THE SIGNAL REMARK 999 SEQUENCE. AUTHORS ALSO STATE THAT ARG 128 IS AN REMARK 999 ERROR IN THE SWISSPROT SEQUENCE AND THAT GLY 128 REMARK 999 IS THE CORRECT RESIDUE. DBREF 1M6K A 18 274 UNP P13661 BLO1_ECOLI 24 276 DBREF 1M6K B 18 274 UNP P13661 BLO1_ECOLI 24 276 SEQADV 1M6K GLY A 128 UNP P13661 ARG 132 SEE REMARK 999 SEQADV 1M6K GLY B 128 UNP P13661 ARG 132 SEE REMARK 999 SEQRES 1 A 251 SER THR ASP ILE SER THR VAL ALA SER PRO LEU PHE GLU SEQRES 2 A 251 GLY THR GLU GLY CYS PHE LEU LEU TYR ASP ALA SER THR SEQRES 3 A 251 ASN ALA GLU ILE ALA GLN PHE ASN LYS ALA LYS CYS ALA SEQRES 4 A 251 THR GLN MET ALA PRO ASP SER THR PHE KCX ILE ALA LEU SEQRES 5 A 251 SER LEU MET ALA PHE ASP ALA GLU ILE ILE ASP GLN LYS SEQRES 6 A 251 THR ILE PHE LYS TRP ASP LYS THR PRO LYS GLY MET GLU SEQRES 7 A 251 ILE TRP ASN SER ASN HIS THR PRO LYS THR TRP MET GLN SEQRES 8 A 251 PHE SER VAL VAL TRP VAL SER GLN GLU ILE THR GLN LYS SEQRES 9 A 251 ILE GLY LEU ASN LYS ILE LYS ASN TYR LEU LYS ASP PHE SEQRES 10 A 251 ASP TYR GLY ASN GLN ASP PHE SER GLY ASP LYS GLU ARG SEQRES 11 A 251 ASN ASN GLY LEU THR GLU ALA TRP LEU GLU SER SER LEU SEQRES 12 A 251 LYS ILE SER PRO GLU GLU GLN ILE GLN PHE LEU ARG LYS SEQRES 13 A 251 ILE ILE ASN HIS ASN LEU PRO VAL LYS ASN SER ALA ILE SEQRES 14 A 251 GLU ASN THR ILE GLU ASN MET TYR LEU GLN ASP LEU ASP SEQRES 15 A 251 ASN SER THR LYS LEU TYR GLY LYS THR GLY ALA GLY PHE SEQRES 16 A 251 THR ALA ASN ARG THR LEU GLN ASN GLY TRP PHE GLU GLY SEQRES 17 A 251 PHE ILE ILE SER LYS SER GLY HIS LYS TYR VAL PHE VAL SEQRES 18 A 251 SER ALA LEU THR GLY ASN LEU GLY SER ASN LEU THR SER SEQRES 19 A 251 SER ILE LYS ALA LYS LYS ASN ALA ILE THR ILE LEU ASN SEQRES 20 A 251 THR LEU ASN LEU SEQRES 1 B 251 SER THR ASP ILE SER THR VAL ALA SER PRO LEU PHE GLU SEQRES 2 B 251 GLY THR GLU GLY CYS PHE LEU LEU TYR ASP ALA SER THR SEQRES 3 B 251 ASN ALA GLU ILE ALA GLN PHE ASN LYS ALA LYS CYS ALA SEQRES 4 B 251 THR GLN MET ALA PRO ASP SER THR PHE KCX ILE ALA LEU SEQRES 5 B 251 SER LEU MET ALA PHE ASP ALA GLU ILE ILE ASP GLN LYS SEQRES 6 B 251 THR ILE PHE LYS TRP ASP LYS THR PRO LYS GLY MET GLU SEQRES 7 B 251 ILE TRP ASN SER ASN HIS THR PRO LYS THR TRP MET GLN SEQRES 8 B 251 PHE SER VAL VAL TRP VAL SER GLN GLU ILE THR GLN LYS SEQRES 9 B 251 ILE GLY LEU ASN LYS ILE LYS ASN TYR LEU LYS ASP PHE SEQRES 10 B 251 ASP TYR GLY ASN GLN ASP PHE SER GLY ASP LYS GLU ARG SEQRES 11 B 251 ASN ASN GLY LEU THR GLU ALA TRP LEU GLU SER SER LEU SEQRES 12 B 251 LYS ILE SER PRO GLU GLU GLN ILE GLN PHE LEU ARG LYS SEQRES 13 B 251 ILE ILE ASN HIS ASN LEU PRO VAL LYS ASN SER ALA ILE SEQRES 14 B 251 GLU ASN THR ILE GLU ASN MET TYR LEU GLN ASP LEU ASP SEQRES 15 B 251 ASN SER THR LYS LEU TYR GLY LYS THR GLY ALA GLY PHE SEQRES 16 B 251 THR ALA ASN ARG THR LEU GLN ASN GLY TRP PHE GLU GLY SEQRES 17 B 251 PHE ILE ILE SER LYS SER GLY HIS LYS TYR VAL PHE VAL SEQRES 18 B 251 SER ALA LEU THR GLY ASN LEU GLY SER ASN LEU THR SER SEQRES 19 B 251 SER ILE LYS ALA LYS LYS ASN ALA ILE THR ILE LEU ASN SEQRES 20 B 251 THR LEU ASN LEU MODRES 1M6K KCX A 70 LYS LYSINE NZ-CARBOXYLIC ACID MODRES 1M6K KCX B 70 LYS LYSINE NZ-CARBOXYLIC ACID HET KCX A 70 12 HET KCX B 70 12 HET MPD A 401 8 HET MPD B 402 8 HET MPD A 403 8 HET MPD B 404 8 HET MPD A 405 8 HET MPD A 406 8 HET MPD B 407 8 HET MPD A 408 8 HET MPD A 409 8 HET MPD B 410 8 HETNAM KCX LYSINE NZ-CARBOXYLIC ACID HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL FORMUL 1 KCX 2(C7 H14 N2 O4) FORMUL 3 MPD 10(C6 H14 O2) FORMUL 13 HOH *559(H2 O) HELIX 1 1 ILE A 21 GLU A 30 1 10 HELIX 2 2 ASN A 55 ALA A 60 1 6 HELIX 3 3 PRO A 65 SER A 67 5 3 HELIX 4 4 THR A 68 ALA A 80 1 13 HELIX 5 5 MET A 99 ASN A 103 5 5 HELIX 6 6 THR A 107 PHE A 114 1 8 HELIX 7 7 VAL A 116 ILE A 127 1 12 HELIX 8 8 LEU A 129 ASP A 140 1 12 HELIX 9 9 ASN A 154 ALA A 159 1 6 HELIX 10 10 SER A 168 ASN A 181 1 14 HELIX 11 11 LYS A 187 ASN A 197 1 11 HELIX 12 12 THR A 256 ASN A 273 1 18 HELIX 13 13 ILE B 21 GLU B 30 1 10 HELIX 14 14 ASN B 55 ALA B 60 1 6 HELIX 15 15 PRO B 65 THR B 68 5 4 HELIX 16 16 PHE B 69 ALA B 80 1 12 HELIX 17 17 MET B 99 ASN B 103 5 5 HELIX 18 18 THR B 107 PHE B 114 1 8 HELIX 19 19 VAL B 116 ILE B 127 1 12 HELIX 20 20 LEU B 129 ASP B 140 1 12 HELIX 21 21 ASN B 154 ALA B 159 1 6 HELIX 22 22 SER B 168 ASN B 181 1 14 HELIX 23 23 LYS B 187 ASN B 197 1 11 HELIX 24 24 THR B 256 ASN B 273 1 18 SHEET 1 A 6 GLU A 50 PHE A 54 0 SHEET 2 A 6 GLU A 35 ASP A 42 -1 N LEU A 40 O ILE A 51 SHEET 3 A 6 LYS A 240 GLY A 249 -1 O THR A 248 N GLU A 35 SHEET 4 A 6 GLN A 225 ILE A 234 -1 N GLN A 225 O GLY A 249 SHEET 5 A 6 LYS A 208 PHE A 217 -1 N GLY A 216 O ASN A 226 SHEET 6 A 6 TYR A 199 ASP A 202 -1 N GLN A 201 O LEU A 209 SHEET 1 B 7 THR B 19 ASP B 20 0 SHEET 2 B 7 GLU B 50 PHE B 54 1 O GLN B 53 N THR B 19 SHEET 3 B 7 GLU B 35 ASP B 42 -1 N LEU B 40 O ILE B 51 SHEET 4 B 7 LYS B 240 GLY B 249 -1 O THR B 248 N GLU B 35 SHEET 5 B 7 GLN B 225 ILE B 234 -1 N GLY B 227 O LEU B 247 SHEET 6 B 7 LYS B 208 PHE B 217 -1 N GLY B 216 O ASN B 226 SHEET 7 B 7 TYR B 199 ASP B 202 -1 N GLN B 201 O LEU B 209 SSBOND 1 CYS A 37 CYS A 59 1555 1555 2.82 SSBOND 2 CYS B 37 CYS B 59 1555 1555 2.81 LINK C PHE A 69 N KCX A 70 1555 1555 1.34 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 5 VAL A 117 ALA A 215 HOH A 502 HOH A 934 SITE 2 AC1 5 SER B 237 SITE 1 AC2 5 SER A 237 VAL B 117 ALA B 215 HOH B 503 SITE 2 AC2 5 HOH B 877 SITE 1 AC3 7 ILE A 82 PHE A 90 GLU A 122 LYS A 126 SITE 2 AC3 7 HOH A 894 HOH A 974 HOH B 762 SITE 1 AC4 2 GLU B 122 HOH B 956 SITE 1 AC5 4 PHE A 114 GLY A 142 ASN A 143 HOH A 701 SITE 1 AC6 2 ASN A 193 LEU B 251 SITE 1 AC7 4 PHE B 114 GLY B 142 ASN B 143 HOH B 768 SITE 1 AC8 4 ASN A 183 LEU A 184 PRO A 185 ARG B 222 SITE 1 AC9 4 LYS A 187 ASN A 188 HOH A 683 HOH A 717 SITE 1 BC1 8 LYS A 236 SER A 237 HOH A 710 VAL B 117 SITE 2 BC1 8 GLN B 121 GLU B 158 LEU B 161 HOH B 787 CRYST1 36.020 51.620 72.890 70.19 84.11 81.51 P 1 2 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 0.027762 -0.004144 -0.001589 0.00000 SCALE2 0.000000 0.019587 -0.006826 0.00000 SCALE3 0.000000 0.000000 0.014606 0.00000