2BR6 - Header Asymmetric Unit

HEADER HYDROLASE 03-MAY-05 2BR6

TITLE CRYSTAL STRUCTURE OF QUORUM-QUENCHING N-ACYL HOMOSERINE TITLE 2 LACTONE LACTONASE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: AIIA-LIKE PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ACYL-HOMOSERINE LACTONE LACTONASE; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS THURINGIENSIS; SOURCE 3 ORGANISM_TAXID: 1428; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: ESCHERICHIA COLI XL1-BLUE; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PMAL-HIS-PARALLEL1; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PMAL-HIS-PARALLEL1/AIIA

KEYWDS QUORUM SENSING, QUORUM-QUENCHING ENZYME, ACYL-HSL KEYWDS 2 LACTONASE, ACYL-HOMOSERINE, HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR M.H.KIM,W.C.CHOI,H.O.KANG,B.S.KANG,K.J.KIM,Z.S.DEREWENDA, AUTHOR 2 J.K.LEE,T.K.OH,C.H.LEE

REVDAT 3 24-FEB-09 2BR6 1 VERSN REVDAT 2 14-DEC-05 2BR6 1 JRNL REMARK REVDAT 1 07-DEC-05 2BR6 0

JRNL AUTH M.H.KIM,W.C.CHOI,H.O.KANG,J.S.LEE,B.S.KANG,K.J.KIM, JRNL AUTH 2 Z.S.DEREWENDA,T.K.OH,C.H.LEE,J.K.LEE JRNL TITL THE MOLECULAR STRUCTURE AND CATALYTIC MECHANISM OF JRNL TITL 2 A QUORUM-QUENCHING N-ACYL-L-HOMOSERINE LACTONE JRNL TITL 3 HYDROLASE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 102 17606 2005 JRNL REFN ISSN 0027-8424 JRNL PMID 16314577 JRNL DOI 10.1073/PNAS.0504996102

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.H.KIM,H.O.KANG,B.S.KANG,K.J.KIM,W.C.CHOI,T.K.OH, REMARK 1 AUTH 2 C.H.LEE,J.K.LEE REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC REMARK 1 TITL 2 ANALYSIS OF BACILLUS THURINGIENSIS AHL-LACTONASE. REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1750 5 2005 REMARK 1 REFN ISSN 0006-3002 REMARK 1 PMID 15894524 REMARK 1 DOI 10.1016/J.BBAPAP.2005.04.004

REMARK 2 REMARK 2 RESOLUTION. 1.7 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0003 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 22664 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 + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1218 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1593 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3810 REMARK 3 BIN FREE R VALUE SET COUNT : 94 REMARK 3 BIN FREE R VALUE : 0.4430 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1913 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 223 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.17 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.84000 REMARK 3 B22 (A**2) : -0.94000 REMARK 3 B33 (A**2) : 0.10000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.217 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.118 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.082 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.730 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.960 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1976 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2676 ; 1.324 ; 1.970 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 238 ;13.355 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 88 ;33.203 ;24.886 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 343 ;11.623 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;10.352 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 297 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1481 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 960 ; 0.203 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1352 ; 0.309 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 211 ; 0.114 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 85 ; 0.198 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 35 ; 0.099 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1204 ; 0.735 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1962 ; 1.361 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 772 ; 1.891 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 714 ; 3.247 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 250 REMARK 3 ORIGIN FOR THE GROUP (A): 18.4390 26.1880 9.4220 REMARK 3 T TENSOR REMARK 3 T11: -0.0153 T22: -0.0302 REMARK 3 T33: -0.0128 T12: -0.0010 REMARK 3 T13: -0.0014 T23: -0.0009 REMARK 3 L TENSOR REMARK 3 L11: 0.2252 L22: 0.4726 REMARK 3 L33: 0.3793 L12: -0.0727 REMARK 3 L13: 0.0703 L23: -0.0991 REMARK 3 S TENSOR REMARK 3 S11: 0.0070 S12: 0.0192 S13: -0.0058 REMARK 3 S21: 0.0011 S22: 0.0054 S23: 0.0132 REMARK 3 S31: 0.0173 S32: -0.0161 S33: -0.0123 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS.

REMARK 4 REMARK 4 2BR6 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-MAY-05. REMARK 100 THE PDBE ID CODE IS EBI-23882.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-FEB-05 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.80 REMARK 200 NUMBER OF CRYSTALS USED : 3 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PAL/PLS REMARK 200 BEAMLINE : 4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0781 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23923 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 44.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.10000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.4 REMARK 200 DATA REDUNDANCY IN SHELL : 6.30 REMARK 200 R MERGE FOR SHELL (I) : 0.64000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.100 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: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.9 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS-HCL(PH 7.8), 30% PEG REMARK 280 4000,0.2 M MGCL2, 2 MM HOMOSERINE LACTONE

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 25.95200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.92750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.87250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.92750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.95200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.87250 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 350 REMARK 350 GENERATING THE BIOMOLECULE 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: PQS 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 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 GLU A 61 REMARK 465 GLY A 62 REMARK 465 LEU A 63 REMARK 465 PHE A 64 REMARK 465 ASN A 65 REMARK 465 GLY A 66 REMARK 465 THR A 67 REMARK 465 PHE A 68 REMARK 465 VAL A 69 REMARK 465 GLU A 70 REMARK 465 GLY A 71 REMARK 465 GLN A 72

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 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 ASP A 50 161.19 69.91 REMARK 500 HIS A 133 -33.38 -131.73 REMARK 500 ILE A 142 45.17 -144.88 REMARK 500 ILE A 190 -134.30 49.46 REMARK 500 SER A 193 117.33 -160.30 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 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 ZN A1251 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 108 OD1 REMARK 620 2 HIS A 235 NE2 90.6 REMARK 620 3 HSL A1255 O 77.3 81.1 REMARK 620 4 HOH A2218 O 82.8 162.1 81.2 REMARK 620 5 ASP A 191 OD2 166.7 102.4 101.4 83.9 REMARK 620 6 HIS A 109 NE2 88.0 108.2 162.8 88.2 90.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A1252 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HSL A1255 OD REMARK 620 2 HOH A2218 O 70.2 REMARK 620 3 HIS A 106 ND1 102.4 101.0 REMARK 620 4 ASP A 191 OD2 76.8 76.0 177.0 REMARK 620 5 HIS A 169 NE2 78.9 147.4 95.2 87.5 REMARK 620 6 HIS A 104 NE2 164.2 100.2 91.5 88.9 107.5 REMARK 620 N 1 2 3 4 5

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A1251 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A1252 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HSL A1255 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1253 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1254

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2A7M RELATED DB: PDB REMARK 900 1.6 ANGSTROM RESOLUTION STRUCTURE OF THE REMARK 900 QUORUM-QUENCHING N-ACYL HOMOSERINE LACTONE REMARK 900 HYDROLASE OF BACILLUS THURINGIENSIS REMARK 900 RELATED ID: 2BTN RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE AND CATALYTIC MECHANISM OF REMARK 900 THE QUORUM-QUENCHING N-ACYL HOMOSERINE REMARK 900 LACTONE HYDROLASE

DBREF 2BR6 A -1 0 PDB 2BR6 2BR6 -1 0 DBREF 2BR6 A 1 250 UNP Q7B8C3 Q7B8C3_BACTU 1 250

SEQRES 1 A 252 MET ASP MET THR VAL LYS LYS LEU TYR PHE ILE PRO ALA SEQRES 2 A 252 GLY ARG CYS MET LEU ASP HIS SER SER VAL ASN SER ALA SEQRES 3 A 252 LEU THR PRO GLY LYS LEU LEU ASN LEU PRO VAL TRP CYS SEQRES 4 A 252 TYR LEU LEU GLU THR GLU GLU GLY PRO ILE LEU VAL ASP SEQRES 5 A 252 THR GLY MET PRO GLU SER ALA VAL ASN ASN GLU GLY LEU SEQRES 6 A 252 PHE ASN GLY THR PHE VAL GLU GLY GLN ILE LEU PRO LYS SEQRES 7 A 252 MET THR GLU GLU ASP ARG ILE VAL ASN ILE LEU LYS ARG SEQRES 8 A 252 VAL GLY TYR GLU PRO ASP ASP LEU LEU TYR ILE ILE SER SEQRES 9 A 252 SER HIS LEU HIS PHE ASP HIS ALA GLY GLY ASN GLY ALA SEQRES 10 A 252 PHE THR ASN THR PRO ILE ILE VAL GLN ARG THR GLU TYR SEQRES 11 A 252 GLU ALA ALA LEU HIS ARG GLU GLU TYR MET LYS GLU CYS SEQRES 12 A 252 ILE LEU PRO HIS LEU ASN TYR LYS ILE ILE GLU GLY ASP SEQRES 13 A 252 TYR GLU VAL VAL PRO GLY VAL GLN LEU LEU TYR THR PRO SEQRES 14 A 252 GLY HIS SER PRO GLY HIS GLN SER LEU PHE ILE LYS THR SEQRES 15 A 252 GLU GLN SER GLY SER VAL LEU LEU THR ILE ASP ALA SER SEQRES 16 A 252 TYR THR LYS GLU ASN PHE GLU ASP GLU VAL PRO PHE ALA SEQRES 17 A 252 GLY PHE ASP PRO GLU LEU ALA LEU SER SER ILE LYS ARG SEQRES 18 A 252 LEU LYS GLU VAL VAL LYS LYS GLU LYS PRO ILE ILE PHE SEQRES 19 A 252 PHE GLY HIS ASP ILE GLU GLN GLU LYS SER CYS ARG VAL SEQRES 20 A 252 PHE PRO GLU TYR ILE

HET ZN A1251 1 HET ZN A1252 1 HET HSL A1255 7 HET GOL A1253 6 HET GOL A1254 6

HETNAM ZN ZINC ION HETNAM HSL HOMOSERINE LACTONE HETNAM GOL GLYCEROL

FORMUL 2 ZN 2(ZN 2+) FORMUL 4 HSL C4 H7 N O2 FORMUL 5 GOL 2(C3 H8 O3) FORMUL 7 HOH *223(H2 O1)

HELIX 1 1 SER A 19 VAL A 21 5 3 HELIX 2 2 PRO A 54 ALA A 57 5 4 HELIX 3 3 THR A 78 ASP A 81 5 4 HELIX 4 4 ARG A 82 GLY A 91 1 10 HELIX 5 5 GLU A 93 LEU A 97 5 5 HELIX 6 6 HIS A 106 GLY A 111 1 6 HELIX 7 7 GLY A 112 PHE A 116 5 5 HELIX 8 8 ARG A 125 LEU A 132 1 8 HELIX 9 9 MET A 138 ILE A 142 5 5 HELIX 10 10 ASP A 191 SER A 193 5 3 HELIX 11 11 THR A 195 ASP A 201 1 7 HELIX 12 12 ASP A 209 LYS A 228 1 20 HELIX 13 13 ASP A 236 LYS A 241 1 6

SHEET 1 AA 7 LEU A 74 LYS A 76 0 SHEET 2 AA 7 LYS A 5 ASP A 17 -1 O ARG A 13 N LYS A 76 SHEET 3 AA 7 LEU A 30 THR A 42 -1 O LEU A 31 N LEU A 16 SHEET 4 AA 7 GLY A 45 VAL A 49 -1 O GLY A 45 N THR A 42 SHEET 5 AA 7 TYR A 99 ILE A 101 1 O TYR A 99 N LEU A 48 SHEET 6 AA 7 ILE A 121 GLN A 124 1 N ILE A 122 O ILE A 100 SHEET 7 AA 7 TYR A 148 ILE A 151 1 O LYS A 149 N VAL A 123 SHEET 1 AB 5 TYR A 155 VAL A 158 0 SHEET 2 AB 5 VAL A 161 TYR A 165 -1 O VAL A 161 N VAL A 157 SHEET 3 AB 5 GLN A 174 THR A 180 -1 O SER A 175 N LEU A 164 SHEET 4 AB 5 GLY A 184 ILE A 190 -1 O GLY A 184 N THR A 180 SHEET 5 AB 5 ILE A 230 PHE A 233 1 O ILE A 230 N LEU A 187

LINK ZN ZN A1251 OD1 ASP A 108 1555 1555 2.27 LINK ZN ZN A1251 NE2 HIS A 235 1555 1555 2.20 LINK ZN ZN A1251 O HSL A1255 1555 1555 2.54 LINK ZN ZN A1251 O HOH A2218 1555 1555 2.23 LINK ZN ZN A1251 OD2 ASP A 191 1555 1555 2.06 LINK ZN ZN A1251 NE2 HIS A 109 1555 1555 2.14 LINK ZN ZN A1252 O HOH A2218 1555 1555 2.02 LINK ZN ZN A1252 ND1 HIS A 106 1555 1555 2.31 LINK ZN ZN A1252 OD2 ASP A 191 1555 1555 2.59 LINK ZN ZN A1252 NE2 HIS A 169 1555 1555 2.18 LINK ZN ZN A1252 NE2 HIS A 104 1555 1555 2.27 LINK ZN ZN A1252 OD HSL A1255 1555 1555 2.44

CISPEP 1 PHE A 246 PRO A 247 0 8.94

SITE 1 AC1 7 ASP A 108 HIS A 109 ASP A 191 HIS A 235 SITE 2 AC1 7 ZN A1252 HSL A1255 HOH A2218 SITE 1 AC2 7 HIS A 104 HIS A 106 HIS A 169 ASP A 191 SITE 2 AC2 7 ZN A1251 HSL A1255 HOH A2218 SITE 1 AC3 10 HIS A 106 PHE A 107 ASP A 108 HIS A 169 SITE 2 AC3 10 ASP A 191 TYR A 194 HIS A 235 ZN A1251 SITE 3 AC3 10 ZN A1252 HOH A2218 SITE 1 AC4 8 HIS A 145 LEU A 146 ARG A 219 GLU A 222 SITE 2 AC4 8 LYS A 226 HOH A2219 HOH A2220 HOH A2221 SITE 1 AC5 9 MET A -1 HIS A 133 PRO A 229 ILE A 230 SITE 2 AC5 9 ILE A 231 GLN A 239 HOH A2002 HOH A2107 SITE 3 AC5 9 HOH A2222

CRYST1 51.904 55.745 73.855 90.00 90.00 90.00 P 21 21 21 4

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 0.019266 0.000000 0.000000 0.00000

SCALE2 0.000000 0.017939 0.000000 0.00000

SCALE3 0.000000 0.000000 0.013540 0.00000