HEADER HYDROLASE 17-OCT-01 1K6S TITLE STRUCTURE OF THE CLASS D BETA-LACTAMASE OXA-10 IN COMPLEX WITH A TITLE 2 PHENYLBORONIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE PSE-2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BETA LACTAMASE OXA-10; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA; SOURCE 3 ORGANISM_TAXID: 287; SOURCE 4 GENE: PLASMID PMON234; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET22B KEYWDS BETA-LACTAMASE, INHIBITOR, PHENYLBORONIC ACID, HYDROLASE, CLASS D, KEYWDS 2 CARBAMYLATED LYSINE EXPDTA X-RAY DIFFRACTION AUTHOR F.KERFF,E.FONZE,E.SAUVAGE,J.M.FRERE,P.CHARLIER REVDAT 5 15-NOV-23 1K6S 1 REMARK REVDAT 4 20-SEP-23 1K6S 1 REMARK REVDAT 3 21-DEC-22 1K6S 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1K6S 1 VERSN REVDAT 1 24-JUN-03 1K6S 0 JRNL AUTH F.KERFF,E.FONZE,E.SAUVAGE,J.M.FRERE,P.CHARLIER JRNL TITL CRYSTAL STRUCTURE OF CLASS D BETA-LACTAMASE OXA-10 IN JRNL TITL 2 COMPLEX WITH DIFFERENT SUBSTRATES AND ONE INHIBITOR. JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.03 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) : 2.03 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2418153.010 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 36693 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) : 0.196 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3681 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 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) : 2.03 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 46.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1619 REMARK 3 BIN R VALUE (WORKING SET) : 0.2270 REMARK 3 BIN FREE R VALUE : 0.2570 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 186 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3872 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 288 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.89000 REMARK 3 B22 (A**2) : 3.78000 REMARK 3 B33 (A**2) : -4.67000 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) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.15 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) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.20 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.710 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) : 1.370 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.130 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.960 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.940 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 59.45 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 : PBA-2.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 : PBA-2.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K6S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014631. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-OCT-00 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE 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 : 37897 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 26.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06400 REMARK 200 FOR THE DATA SET : 7.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.03 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.7 REMARK 200 DATA REDUNDANCY IN SHELL : 4.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.19200 REMARK 200 FOR SHELL : 3.700 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 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, CALCIUM CHLORIDE, REMARK 280 BICINE PH 9; SOAKING AT PH 7 WITH HEPES, PEG400, 4-IODO- REMARK 280 ACETAMIDO PHEYLBORONIC ACID, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 24.12250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.53700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.89350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.53700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.12250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.89350 REMARK 290 SMTRY3 4 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 DIMER IN THE ASYMMETRIC UNIT REMARK 300 FORMED BY CHAINS A AND B. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3800 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -51.0 KCAL/MOL 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 MET A 19 REMARK 465 GLY A 20 REMARK 465 GLY A 265 REMARK 465 GLY A 266 REMARK 465 MET B 19 REMARK 465 GLY B 265 REMARK 465 GLY B 266 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 46 -45.38 66.36 REMARK 500 ALA A 66 -144.37 54.71 REMARK 500 ASN A 85 -177.66 -178.38 REMARK 500 LYS A 152 8.15 -154.96 REMARK 500 GLU A 229 -132.07 54.67 REMARK 500 ALA B 66 -139.75 50.82 REMARK 500 LYS B 84 -75.65 -49.72 REMARK 500 LYS B 152 11.56 -165.02 REMARK 500 SER B 179 69.20 -68.22 REMARK 500 GLU B 229 -141.22 53.83 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 190 OE2 REMARK 620 2 GLU A 190 OE1 42.3 REMARK 620 3 HIS B 203 NE2 80.5 105.8 REMARK 620 4 GLU B 227 OE1 150.7 157.2 96.5 REMARK 620 5 GLU B 227 OE2 154.8 116.2 98.1 54.4 REMARK 620 6 HOH B 355 O 70.8 95.5 106.6 82.4 132.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 203 NE2 REMARK 620 2 GLU A 227 OE1 90.9 REMARK 620 3 GLU A 227 OE2 88.9 54.0 REMARK 620 4 GLU B 190 OE1 116.4 152.5 119.6 REMARK 620 5 GLU B 190 OE2 85.3 149.1 156.2 45.3 REMARK 620 6 HOH B 357 O 111.7 81.1 131.3 90.9 72.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 303 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ARG A 250 NH1 REMARK 620 2 ARG A 250 NH2 44.5 REMARK 620 3 IAP A 300 O2 126.8 144.4 REMARK 620 4 HOH A 488 O 117.0 100.0 110.5 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IAP A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IAP B 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K4E RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE CLASS D BETA-LACTAMASES OXA-10 DETERMINED REMARK 900 BY MAD PHASING WITH SELENOMETHIONINE REMARK 900 RELATED ID: 1K4F RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE CLASS D BETA-LACTAMASE OXA-10 AT 1.6 A REMARK 900 RESOLUTION REMARK 900 RELATED ID: 1K6R RELATED DB: PDB REMARK 900 STRUCTURE OF THE CLASS D BETA-LACTAMASE OXA-10 IN COMPLEX WITH REMARK 900 MOXALACTAM DBREF 1K6S A 20 266 UNP P14489 BLP2_PSEAE 20 266 DBREF 1K6S B 20 266 UNP P14489 BLP2_PSEAE 20 266 SEQADV 1K6S MET A 19 UNP P14489 INITIATING METHIONINE SEQADV 1K6S KCX A 70 UNP P14489 LYS 70 MODIFIED RESIDUE SEQADV 1K6S MET B 19 UNP P14489 INITIATING METHIONINE SEQADV 1K6S KCX B 70 UNP P14489 LYS 70 MODIFIED RESIDUE SEQRES 1 A 248 MET GLY SER ILE THR GLU ASN THR SER TRP ASN LYS GLU SEQRES 2 A 248 PHE SER ALA GLU ALA VAL ASN GLY VAL PHE VAL LEU CYS SEQRES 3 A 248 LYS SER SER SER LYS SER CYS ALA THR ASN ASP LEU ALA SEQRES 4 A 248 ARG ALA SER LYS GLU TYR LEU PRO ALA SER THR PHE KCX SEQRES 5 A 248 ILE PRO ASN ALA ILE ILE GLY LEU GLU THR GLY VAL ILE SEQRES 6 A 248 LYS ASN GLU HIS GLN VAL PHE LYS TRP ASP GLY LYS PRO SEQRES 7 A 248 ARG ALA MET LYS GLN TRP GLU ARG ASP LEU THR LEU ARG SEQRES 8 A 248 GLY ALA ILE GLN VAL SER ALA VAL PRO VAL PHE GLN GLN SEQRES 9 A 248 ILE ALA ARG GLU VAL GLY GLU VAL ARG MET GLN LYS TYR SEQRES 10 A 248 LEU LYS LYS PHE SER TYR GLY ASN GLN ASN ILE SER GLY SEQRES 11 A 248 GLY ILE ASP LYS PHE TRP LEU GLU GLY GLN LEU ARG ILE SEQRES 12 A 248 SER ALA VAL ASN GLN VAL GLU PHE LEU GLU SER LEU TYR SEQRES 13 A 248 LEU ASN LYS LEU SER ALA SER LYS GLU ASN GLN LEU ILE SEQRES 14 A 248 VAL LYS GLU ALA LEU VAL THR GLU ALA ALA PRO GLU TYR SEQRES 15 A 248 LEU VAL HIS SER LYS THR GLY PHE SER GLY VAL GLY THR SEQRES 16 A 248 GLU SER ASN PRO GLY VAL ALA TRP TRP VAL GLY TRP VAL SEQRES 17 A 248 GLU LYS GLU THR GLU VAL TYR PHE PHE ALA PHE ASN MET SEQRES 18 A 248 ASP ILE ASP ASN GLU SER LYS LEU PRO LEU ARG LYS SER SEQRES 19 A 248 ILE PRO THR LYS ILE MET GLU SER GLU GLY ILE ILE GLY SEQRES 20 A 248 GLY SEQRES 1 B 248 MET GLY SER ILE THR GLU ASN THR SER TRP ASN LYS GLU SEQRES 2 B 248 PHE SER ALA GLU ALA VAL ASN GLY VAL PHE VAL LEU CYS SEQRES 3 B 248 LYS SER SER SER LYS SER CYS ALA THR ASN ASP LEU ALA SEQRES 4 B 248 ARG ALA SER LYS GLU TYR LEU PRO ALA SER THR PHE KCX SEQRES 5 B 248 ILE PRO ASN ALA ILE ILE GLY LEU GLU THR GLY VAL ILE SEQRES 6 B 248 LYS ASN GLU HIS GLN VAL PHE LYS TRP ASP GLY LYS PRO SEQRES 7 B 248 ARG ALA MET LYS GLN TRP GLU ARG ASP LEU THR LEU ARG SEQRES 8 B 248 GLY ALA ILE GLN VAL SER ALA VAL PRO VAL PHE GLN GLN SEQRES 9 B 248 ILE ALA ARG GLU VAL GLY GLU VAL ARG MET GLN LYS TYR SEQRES 10 B 248 LEU LYS LYS PHE SER TYR GLY ASN GLN ASN ILE SER GLY SEQRES 11 B 248 GLY ILE ASP LYS PHE TRP LEU GLU GLY GLN LEU ARG ILE SEQRES 12 B 248 SER ALA VAL ASN GLN VAL GLU PHE LEU GLU SER LEU TYR SEQRES 13 B 248 LEU ASN LYS LEU SER ALA SER LYS GLU ASN GLN LEU ILE SEQRES 14 B 248 VAL LYS GLU ALA LEU VAL THR GLU ALA ALA PRO GLU TYR SEQRES 15 B 248 LEU VAL HIS SER LYS THR GLY PHE SER GLY VAL GLY THR SEQRES 16 B 248 GLU SER ASN PRO GLY VAL ALA TRP TRP VAL GLY TRP VAL SEQRES 17 B 248 GLU LYS GLU THR GLU VAL TYR PHE PHE ALA PHE ASN MET SEQRES 18 B 248 ASP ILE ASP ASN GLU SER LYS LEU PRO LEU ARG LYS SER SEQRES 19 B 248 ILE PRO THR LYS ILE MET GLU SER GLU GLY ILE ILE GLY SEQRES 20 B 248 GLY MODRES 1K6S KCX A 70 LYS LYSINE NZ-CARBOXYLIC ACID MODRES 1K6S KCX B 70 LYS LYSINE NZ-CARBOXYLIC ACID HET KCX A 70 12 HET KCX B 70 12 HET CA A 302 1 HET CA A 303 1 HET SO4 A 304 5 HET IAP A 300 12 HET CA B 301 1 HET IAP B 300 12 HETNAM KCX LYSINE NZ-CARBOXYLIC ACID HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION HETNAM IAP 4-IODO-ACETAMIDO PHENYLBORONIC ACID FORMUL 1 KCX 2(C7 H14 N2 O4) FORMUL 3 CA 3(CA 2+) FORMUL 5 SO4 O4 S 2- FORMUL 6 IAP 2(C8 H9 B I N O3) FORMUL 9 HOH *288(H2 O) HELIX 1 1 TRP A 28 ALA A 34 1 7 HELIX 2 2 ASP A 55 SER A 60 1 6 HELIX 3 3 PRO A 65 THR A 68 5 4 HELIX 4 4 PHE A 69 THR A 80 1 12 HELIX 5 5 MET A 99 GLU A 103 5 5 HELIX 6 6 THR A 107 VAL A 114 1 8 HELIX 7 7 ALA A 116 GLY A 128 1 13 HELIX 8 8 GLY A 128 PHE A 139 1 12 HELIX 9 9 LYS A 152 GLY A 157 1 6 HELIX 10 10 ALA A 163 LEU A 175 1 13 HELIX 11 11 SER A 181 LEU A 192 1 12 HELIX 12 12 ASN A 243 LEU A 247 5 5 HELIX 13 13 PRO A 248 GLU A 261 1 14 HELIX 14 14 TRP B 28 ALA B 34 1 7 HELIX 15 15 ASP B 55 LYS B 61 1 7 HELIX 16 16 PRO B 65 THR B 68 5 4 HELIX 17 17 PHE B 69 THR B 80 1 12 HELIX 18 18 MET B 99 GLU B 103 5 5 HELIX 19 19 LEU B 108 VAL B 114 1 7 HELIX 20 20 ALA B 116 GLY B 128 1 13 HELIX 21 21 GLY B 128 PHE B 139 1 12 HELIX 22 22 SER B 162 LEU B 175 1 14 HELIX 23 23 SER B 181 LEU B 192 1 12 HELIX 24 24 ASN B 243 LEU B 247 5 5 HELIX 25 25 PRO B 248 GLU B 261 1 14 SHEET 1 A 7 ILE A 22 GLU A 24 0 SHEET 2 A 7 CYS A 51 THR A 53 1 O CYS A 51 N THR A 23 SHEET 3 A 7 GLY A 39 LYS A 45 -1 N LEU A 43 O ALA A 52 SHEET 4 A 7 GLU A 231 ILE A 241 -1 O ALA A 236 N VAL A 42 SHEET 5 A 7 ASN A 216 LYS A 228 -1 N VAL A 226 O TYR A 233 SHEET 6 A 7 TYR A 200 PHE A 208 -1 N GLY A 207 O TRP A 221 SHEET 7 A 7 VAL A 193 ALA A 196 -1 N GLU A 195 O VAL A 202 SHEET 1 B 6 ILE A 22 GLU A 24 0 SHEET 2 B 6 CYS A 51 THR A 53 1 O CYS A 51 N THR A 23 SHEET 3 B 6 GLY A 39 LYS A 45 -1 N LEU A 43 O ALA A 52 SHEET 4 B 6 GLU A 231 ILE A 241 -1 O ALA A 236 N VAL A 42 SHEET 5 B 6 ASN A 216 LYS A 228 -1 N VAL A 226 O TYR A 233 SHEET 6 B 6 GLY A 212 THR A 213 -1 N THR A 213 O ASN A 216 SHEET 1 C 2 GLU A 62 TYR A 63 0 SHEET 2 C 2 ILE A 161 SER A 162 -1 O ILE A 161 N TYR A 63 SHEET 1 D 7 SER B 21 GLU B 24 0 SHEET 2 D 7 SER B 50 THR B 53 1 O CYS B 51 N SER B 21 SHEET 3 D 7 GLY B 39 LYS B 45 -1 N LYS B 45 O SER B 50 SHEET 4 D 7 GLU B 231 ILE B 241 -1 O PHE B 234 N CYS B 44 SHEET 5 D 7 GLY B 218 LYS B 228 -1 N GLY B 224 O PHE B 235 SHEET 6 D 7 TYR B 200 PHE B 208 -1 N GLY B 207 O TRP B 221 SHEET 7 D 7 VAL B 193 ALA B 197 -1 N GLU B 195 O VAL B 202 SHEET 1 E 2 VAL B 89 PHE B 90 0 SHEET 2 E 2 LEU B 106 THR B 107 -1 O LEU B 106 N PHE B 90 SSBOND 1 CYS A 44 CYS A 51 1555 1555 2.02 SSBOND 2 CYS B 44 CYS B 51 1555 1555 2.02 LINK OG SER A 67 B IAP A 300 1555 1555 1.56 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 CE MET A 99 C7 IAP A 300 1555 1555 1.52 LINK OG SER B 67 B IAP B 300 1555 1555 1.55 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 LINK CE MET B 99 C7 IAP B 300 1555 1555 1.53 LINK OE2 GLU A 190 CA CA B 301 1555 1555 3.25 LINK OE1 GLU A 190 CA CA B 301 1555 1555 2.15 LINK NE2 HIS A 203 CA CA A 302 1555 1555 2.29 LINK OE1 GLU A 227 CA CA A 302 1555 1555 2.43 LINK OE2 GLU A 227 CA CA A 302 1555 1555 2.41 LINK NH1 ARG A 250 CA CA A 303 1555 1555 2.76 LINK NH2 ARG A 250 CA CA A 303 1555 1555 3.21 LINK O2 IAP A 300 CA CA A 303 1555 1555 3.04 LINK CA CA A 302 OE1 GLU B 190 1555 1555 2.04 LINK CA CA A 302 OE2 GLU B 190 1555 1555 3.09 LINK CA CA A 302 O HOH B 357 1555 1555 2.09 LINK CA CA A 303 O HOH A 488 1555 1555 2.96 LINK NE2 HIS B 203 CA CA B 301 1555 1555 2.21 LINK OE1 GLU B 227 CA CA B 301 1555 1555 2.38 LINK OE2 GLU B 227 CA CA B 301 1555 1555 2.43 LINK CA CA B 301 O HOH B 355 1555 1555 2.15 SITE 1 AC1 4 GLU A 190 HIS B 203 GLU B 227 HOH B 355 SITE 1 AC2 4 HIS A 203 GLU A 227 GLU B 190 HOH B 357 SITE 1 AC3 4 PHE A 208 ARG A 250 IAP A 300 HOH A 488 SITE 1 AC4 5 ASP A 93 ARG A 97 PRO A 118 HOH A 334 SITE 2 AC4 5 HOH A 343 SITE 1 AC5 13 ALA A 66 SER A 67 KCX A 70 MET A 99 SITE 2 AC5 13 TRP A 102 SER A 115 VAL A 117 GLU A 129 SITE 3 AC5 13 VAL A 130 GLY A 207 PHE A 208 CA A 303 SITE 4 AC5 13 HOH A 358 SITE 1 AC6 10 ALA B 66 SER B 67 KCX B 70 MET B 99 SITE 2 AC6 10 TRP B 102 SER B 115 VAL B 117 GLY B 207 SITE 3 AC6 10 PHE B 208 HOH B 344 CRYST1 48.245 95.787 125.074 90.00 90.00 90.00 P 21 21 21 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 0.020728 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010440 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007995 0.00000