HEADER TRANSFERASE (ACYLTRANSFERASE) 23-OCT-90 4CLA TITLE ALTERNATIVE BINDING MODES FOR CHLORAMPHENICOL AND 1-SUBSTITUTED TITLE 2 CHLORAMPHENICOL ANALOGUES REVEALED BY SITE-DIRECTED MUTAGENESIS AND TITLE 3 X-RAY CRYSTALLOGRAPHY OF CHLORAMPHENICOL ACETYLTRANSFERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYPE III CHLORAMPHENICOL ACETYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.3.1.28; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS TRANSFERASE (ACYLTRANSFERASE) EXPDTA X-RAY DIFFRACTION AUTHOR A.G.W.LESLIE REVDAT 5 28-FEB-24 4CLA 1 REMARK SEQADV LINK REVDAT 4 13-JUL-11 4CLA 1 VERSN REVDAT 3 24-FEB-09 4CLA 1 VERSN REVDAT 2 15-JUL-92 4CLA 1 FORMUL REVDAT 1 15-JAN-92 4CLA 0 JRNL AUTH I.A.MURRAY,A.LEWENDON,J.A.WILLIAMS,P.M.CULLIS,W.V.SHAW JRNL TITL ALTERNATIVE BINDING MODES FOR CHLORAMPHENICOL AND JRNL TITL 2 1-SUBSTITUTED CHLORAMPHENICOL ANALOGUES REVEALED BY JRNL TITL 3 SITE-DIRECTED MUTAGENESIS AND X-RAY CRYSTALLOGRAPHY OF JRNL TITL 4 CHLORAMPHENICOL ACETYLTRANSFERASE. JRNL REF BIOCHEMISTRY V. 30 3763 1991 JRNL REFN ISSN 0006-2960 JRNL PMID 2015231 JRNL DOI 10.1021/BI00229A025 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.V.SHAW,A.G.W.LESLIE REMARK 1 TITL CHLORAMPHENICOL ACETYLTRANSFERASE REMARK 1 REF ANNU.REV.BIOPHYS.BIOPHYS. V. 20 363 1991 REMARK 1 REF 2 CHEM. REMARK 1 REFN ISSN 0883-9182 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.G.W.LESLIE REMARK 1 TITL REFINED CRYSTAL STRUCTURE OF TYPE III CHLORAMPHENICOL REMARK 1 TITL 2 ACETYLTRANSFERASE AT 1.75 ANGSTROMS RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 213 167 1990 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.R.GIBBS,P.C.E.MOODY,A.G.W.LESLIE REMARK 1 TITL CRYSTAL STRUCTURE OF THE ASP-199-ASN MUTANT OF REMARK 1 TITL 2 CHLORAMPHENICOL ACETYLTRANSFERASE TO 2.35 ANGSTROMS REMARK 1 TITL 3 RESOLUTION. STRUCTURAL CONSEQUENCES OF DISRUPTION OF A REMARK 1 TITL 4 BURIED SALT-BRIDGE. REMARK 1 REF BIOCHEMISTRY V. 29 11261 1990 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 4 REMARK 1 AUTH A.LEWENDON,I.A.MURRAY,W.V.SHAW,M.R.GIBBS,A.G.W.LESLIE REMARK 1 TITL EVIDENCE FOR TRANSITION-STATE STABILIZATION BY SERINE-148 IN REMARK 1 TITL 2 THE CATALYTIC MECHANISM OF CHLORAMPHENICOL ACETYLTRANSFERASE REMARK 1 REF BIOCHEMISTRY V. 29 2075 1990 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 5 REMARK 1 AUTH A.LEWENDON,I.A.MURRAY,C.KLEANTHOUS,P.M.CULLIS,W.V.SHAW REMARK 1 TITL SUBSTITUTIONS IN THE ACTIVE SITE OF CHLORAMPHENICOL REMARK 1 TITL 2 ACETYLTRANSFERASE. ROLE OF A CONSERVED ASPARTATE REMARK 1 REF BIOCHEMISTRY V. 27 7385 1988 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 6 REMARK 1 AUTH A.G.W.LESLIE,P.C.E.MOODY,W.V.SHAW REMARK 1 TITL STRUCTURE OF CHLORAMPHENICOL ACETYLTRANSFERASE AT REMARK 1 TITL 2 1.75-ANGSTROMS RESOLUTION REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 85 4133 1988 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 7 REMARK 1 AUTH A.G.W.LESLIE,J.M.LIDDELL,W.V.SHAW REMARK 1 TITL CRYSTALLIZATION OF A TYPE III CHLORAMPHENICOL ACETYL REMARK 1 TITL 2 TRANSFERASE REMARK 1 REF J.MOL.BIOL. V. 188 283 1986 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DERIV REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.157 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1711 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 203 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.021 REMARK 3 BOND ANGLES (DEGREES) : 3.000 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 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: REMARK 3 ATOMS OF SIDECHAINS SHOWING VERY WEAK (LESS THAN REMARK 3 0.2 $E/A**3) OR UNINTERPRETABLE ELECTRON DENSITY HAVE BEEN REMARK 3 OMITTED FROM THE MODEL. REMARK 4 REMARK 4 4CLA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000179281. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.76 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 53.87500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 31.10475 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 41.30667 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 53.87500 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 31.10475 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 41.30667 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 53.87500 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 31.10475 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 41.30667 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 53.87500 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 31.10475 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 41.30667 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 53.87500 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 31.10475 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 41.30667 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 53.87500 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 31.10475 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 41.30667 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 62.20949 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 82.61333 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 62.20949 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 82.61333 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 62.20949 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 82.61333 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 62.20949 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 82.61333 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 62.20949 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 82.61333 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 62.20949 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 82.61333 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 300 REMARK: CAT IS A TRIMER OF IDENTICAL SUBUNITS EACH CONTAINING 213 REMARK 300 AMINO ACIDS (SUBUNIT MOLECULAR WEIGHT 25000). THE REMARK 300 THREE-FOLD AXIS OF THE TRIMER IS COINCIDENT WITH THE REMARK 300 CRYSTALLOGRAPHIC THREE-FOLD AXIS. THE COORDINATES REMARK 300 PRESENTED IN THIS ENTRY ARE FOR ONE SUBUNIT OF THE TRIMER. REMARK 300 THE COORDINATES FOR THE OTHER TWO SUBUNITS CAN BE DERIVED REMARK 300 BY APPLYING ROTATIONS OF 120 DEGREES AND 240 DEGREES ABOUT REMARK 300 THE Z AXIS. REMARK 300 REMARK 300 TO GENERATE THESE SYMMETRY RELATED SUBUNITS APPLY THE REMARK 300 FOLLOWING MATRICES TO THE COORDINATES GIVEN BELOW: REMARK 300 REMARK 300 1. -0.50000 -0.86603 0.00000 REMARK 300 0.86603 -0.50000 0.00000 REMARK 300 0.00000 0.00000 1.00000 REMARK 300 REMARK 300 2. -0.50000 0.86603 0.00000 REMARK 300 -0.86603 -0.50000 0.00000 REMARK 300 0.00000 0.00000 1.00000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 8970 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25140 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.0 KCAL/MOL 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 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 20020 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 48570 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -225.0 KCAL/MOL 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 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 4 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 5 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 6 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 CO CO A 222 LIES ON A SPECIAL POSITION. REMARK 375 CO CO A 223 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 309 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 310 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 THE MUTATED RESIDUE FORMS PART OF THE CHLORAMPHENICOL REMARK 400 BINDING POCKET. THE CONFORMATION OF THE ENZYME IS REMARK 400 ESSENTIALLY IDENTICAL TO THE WILD TYPE. HOWEVER, REMARK 400 CHLORAMPHENICOL BINDS IN A DIFFERENT ORIENTATION TO THAT REMARK 400 OBSERVED IN THE WILD TYPE BINARY COMPLEX, WITH SHIFTS OF UP REMARK 400 TO 2 ANGSTROMS IN ATOMIC POSITIONS. THE OBSERVED MODE OF REMARK 400 BINDING IN THE CRYSTAL STRUCTURE IS ALMOST CERTAINLY REMARK 400 NON-PRODUCTIVE. IN SPITE OF THIS OBSERVATION, THE MUTANT REMARK 400 ENZYME IS STILL ACTIVE WITH A 60 FOLD DROP IN CATALYTIC REMARK 400 ACTIVITY. 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 LYS A 14 CG CD CE NZ REMARK 470 ASN A 15 OD1 ND2 REMARK 470 ARG A 28 CD NE CZ NH1 NH2 REMARK 470 LYS A 46 CG CD CE NZ REMARK 470 ASP A 50 OD1 OD2 REMARK 470 GLN A 69 CD OE1 NE2 REMARK 470 GLN A 98 CD OE1 NE2 REMARK 470 GLN A 116 OE1 NE2 REMARK 470 GLU A 126 CB CG CD OE1 OE2 REMARK 470 LYS A 129 CE NZ REMARK 470 LYS A 133 CE NZ REMARK 470 ASN A 164 CG OD1 ND2 REMARK 470 GLN A 180 CD OE1 NE2 REMARK 470 GLU A 181 CB CG CD OE1 OE2 REMARK 470 ASP A 183 CB CG OD1 OD2 REMARK 470 ARG A 184 CZ NH1 NH2 REMARK 470 LYS A 217 CD CE NZ REMARK 470 LYS A 219 NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 363 O HOH A 363 12555 0.76 REMARK 500 O HOH A 330 O HOH A 330 5555 1.94 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 TYR A 8 CD1 - CE1 - CZ ANGL. DEV. = -5.8 DEGREES REMARK 500 ARG A 18 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 18 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 26 NE - CZ - NH2 ANGL. DEV. = -5.0 DEGREES REMARK 500 CYS A 31 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 SER A 37 N - CA - CB ANGL. DEV. = -10.6 DEGREES REMARK 500 PHE A 55 CB - CG - CD2 ANGL. DEV. = -5.2 DEGREES REMARK 500 TYR A 61 CB - CG - CD2 ANGL. DEV. = -8.3 DEGREES REMARK 500 TYR A 61 CB - CG - CD1 ANGL. DEV. = 8.1 DEGREES REMARK 500 ASP A 71 CB - CG - OD1 ANGL. DEV. = 9.5 DEGREES REMARK 500 ASP A 71 CB - CG - OD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 ARG A 74 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ASP A 81 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 SER A 88 N - CA - CB ANGL. DEV. = -9.4 DEGREES REMARK 500 ASP A 90 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 GLU A 101 CG - CD - OE2 ANGL. DEV. = -12.4 DEGREES REMARK 500 ASP A 113 CB - CG - OD1 ANGL. DEV. = 8.8 DEGREES REMARK 500 ASP A 131 CB - CG - OD1 ANGL. DEV. = 6.6 DEGREES REMARK 500 PHE A 155 CB - CG - CD2 ANGL. DEV. = -4.4 DEGREES REMARK 500 PHE A 155 CB - CG - CD1 ANGL. DEV. = 4.3 DEGREES REMARK 500 PHE A 158 CB - CG - CD2 ANGL. DEV. = -7.6 DEGREES REMARK 500 PHE A 158 CB - CG - CD1 ANGL. DEV. = 6.6 DEGREES REMARK 500 THR A 166 O - C - N ANGL. DEV. = -9.6 DEGREES REMARK 500 GLU A 212 CA - CB - CG ANGL. DEV. = 14.8 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 ASP A 50 32.21 -89.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 SOLVENT ATOMS (COBALT OR WATER) LYING ON CRYSTALLOGRAPHIC REMARK 600 SYMMETRY AXES HAVE BEEN GIVEN OCCUPANCIES EQUAL TO REMARK 600 1.0/(ROTATIONAL SYMMETRY OF THAT AXIS). ATOMS OF THE REMARK 600 SUBSTRATE CHLORAMPHENICOL HAVE BEEN ASSIGNED AN OCCUPANCY REMARK 600 OF 0.66 BECAUSE OF UNCERTAINTY ABOUT WHETHER THE SITE IS REMARK 600 FULLY OCCUPIED. THE LOW VALUES OF THE REFINED TEMPERATURE REMARK 600 FACTORS SUGGEST THAT THE OCCUPANCY IS SOMEWHAT HIGHER THAN REMARK 600 0.66 AND IS PROBABLY CLOSE TO 1.0. IT SHOULD BE NOTED THAT REMARK 600 THE TEMPERATURE FACTORS QUOTED IN THE JRNL REFERENCE RELATE REMARK 600 TO AN INPUT OCCUPANCY OF 0.66, NOT AN OCCUPANCY OF 1.0. REMARK 600 REMARK 600 THE COBALT IONS PLAY A CRUCIAL ROLE IN STABILIZING THE REMARK 600 CRYSTAL LATTICE. 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 CO A 222 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 23 OE1 REMARK 620 2 GLU A 23 OE1 134.1 REMARK 620 3 HIS A 27 ND1 109.9 101.7 REMARK 620 4 HIS A 27 ND1 101.7 109.9 91.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO A 223 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 281 O REMARK 620 2 HOH A 281 O 171.2 REMARK 620 3 HOH A 340 O 84.4 102.3 REMARK 620 4 HOH A 340 O 99.5 89.3 45.9 REMARK 620 5 HOH A 426 O 87.7 89.5 147.0 104.6 REMARK 620 6 HOH A 426 O 85.0 88.3 100.3 144.4 110.9 REMARK 620 N 1 2 3 4 5 REMARK 700 REMARK 700 SHEET REMARK 700 SHEET 1 ACTUALLY HAS SEVEN STRANDS. RESIDUES REMARK 700 157 - 162 FORM AN EXTENSION TO THE SIX STRANDED BETA- REMARK 700 SHEET OF AN ADJACENT SUBUNIT OF THE TRIMER, RESULTING REMARK 700 IN A SEVEN-STRANDED SHEET WHICH SPANS THE SUBUNIT REMARK 700 INTERFACE. REMARK 700 THE FINAL STRAND, SER 157 - VAL 162, IS IN AN ADJACENT REMARK 700 (THREE-FOLD RELATED) SUBUNIT OF THE TRIMER. N ASN 159 REMARK 700 IS HYDROGEN BONDED TO O SEH 34. REMARK 700 THERE IS A WIDE BETA-BULGE INVOLVING RESIDUES LYS 177, REMARK 700 TYR 178, AND LEU 187. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 222 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 223 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CLM A 221 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE NUMBERING SCHEME ADOPTED IS BASED ON THE ALIGNMENT OF A REMARK 999 NUMBER OF CAT SEQUENCES. FOR THE TYPE III ENZYME WHOSE REMARK 999 COORDINATES ARE PRESENTED IN THIS ENTRY, MET 6 IS THE REMARK 999 N-TERMINAL RESIDUE AND THERE IS NO RESIDUE NUMBER 79. DBREF 4CLA A 6 219 UNP P00484 CAT3_ECOLI 1 213 SEQADV 4CLA PHE A 160 UNP P00484 LEU 154 CONFLICT SEQRES 1 A 213 MET ASN TYR THR LYS PHE ASP VAL LYS ASN TRP VAL ARG SEQRES 2 A 213 ARG GLU HIS PHE GLU PHE TYR ARG HIS ARG LEU PRO CYS SEQRES 3 A 213 GLY PHE SER LEU THR SER LYS ILE ASP ILE THR THR LEU SEQRES 4 A 213 LYS LYS SER LEU ASP ASP SER ALA TYR LYS PHE TYR PRO SEQRES 5 A 213 VAL MET ILE TYR LEU ILE ALA GLN ALA VAL ASN GLN PHE SEQRES 6 A 213 ASP GLU LEU ARG MET ALA ILE LYS ASP ASP GLU LEU ILE SEQRES 7 A 213 VAL TRP ASP SER VAL ASP PRO GLN PHE THR VAL PHE HIS SEQRES 8 A 213 GLN GLU THR GLU THR PHE SER ALA LEU SER CYS PRO TYR SEQRES 9 A 213 SER SER ASP ILE ASP GLN PHE MET VAL ASN TYR LEU SER SEQRES 10 A 213 VAL MET GLU ARG TYR LYS SER ASP THR LYS LEU PHE PRO SEQRES 11 A 213 GLN GLY VAL THR PRO GLU ASN HIS LEU ASN ILE SER ALA SEQRES 12 A 213 LEU PRO TRP VAL ASN PHE ASP SER PHE ASN PHE ASN VAL SEQRES 13 A 213 ALA ASN PHE THR ASP TYR PHE ALA PRO ILE ILE THR MET SEQRES 14 A 213 ALA LYS TYR GLN GLN GLU GLY ASP ARG LEU LEU LEU PRO SEQRES 15 A 213 LEU SER VAL GLN VAL HIS HIS ALA VAL CYS ASP GLY PHE SEQRES 16 A 213 HIS VAL ALA ARG PHE ILE ASN ARG LEU GLN GLU LEU CYS SEQRES 17 A 213 ASN SER LYS LEU LYS HET CO A 222 1 HET CO A 223 1 HET CLM A 221 20 HETNAM CO COBALT (II) ION HETNAM CLM CHLORAMPHENICOL FORMUL 2 CO 2(CO 2+) FORMUL 4 CLM C11 H12 CL2 N2 O5 FORMUL 5 HOH *203(H2 O) HELIX 1 H1 ARG A 19 ARG A 26 1 8 HELIX 2 H1 PHE A 24 ARG A 28 3C-TERMINUS OF HELIX 1 5 HELIX 3 H2 THR A 42 ASP A 49 1 8 HELIX 4 H3 PHE A 55 VAL A 67 1 13 HELIX 5 H3 VAL A 67 GLN A 69 5C-TERMINUS OF HELIX 3 3 HELIX 6 H3 ASP A 71 LEU A 73 5C-TERMINUS OF HELIX 3 3 HELIX 7 H4 ILE A 114 ARG A 127 1 14 HELIX 8 H5 GLY A 200 CYS A 214 1 15 SHEET 1 SH1 6 PHE A 103 SER A 107 0 SHEET 2 SH1 6 ASP A 90 PHE A 96 -1 N PHE A 93 O LEU A 106 SHEET 3 SH1 6 HIS A 144 ALA A 149 1 N ILE A 147 O GLN A 92 SHEET 4 SH1 6 ILE A 172 GLU A 181 1 N ILE A 173 O ASN A 146 SHEET 5 SH1 6 ARG A 184 HIS A 194 -1 N GLN A 192 O ILE A 172 SHEET 6 SH1 6 CYS A 31 ASP A 40 -1 N LEU A 35 O VAL A 191 SHEET 1 SH2 3 TYR A 8 LYS A 10 0 SHEET 2 SH2 3 GLU A 82 TRP A 86 -1 N VAL A 85 O THR A 9 SHEET 3 SH2 3 MET A 75 LYS A 78 -1 N ALA A 76 O ILE A 84 LINK OE1 GLU A 23 CO CO A 222 1555 1555 1.91 LINK OE1 GLU A 23 CO CO A 222 5555 1555 1.91 LINK ND1 HIS A 27 CO CO A 222 1555 1555 2.07 LINK ND1 HIS A 27 CO CO A 222 5555 1555 2.07 LINK CO CO A 223 O HOH A 281 1555 1555 2.29 LINK CO CO A 223 O HOH A 281 1555 12555 2.17 LINK CO CO A 223 O HOH A 340 1555 1555 1.87 LINK CO CO A 223 O HOH A 340 1555 12555 1.82 LINK CO CO A 223 O HOH A 426 1555 1555 2.54 LINK CO CO A 223 O HOH A 426 1555 12555 2.61 SITE 1 AC1 2 GLU A 23 HIS A 27 SITE 1 AC2 3 HOH A 281 HOH A 340 HOH A 426 SITE 1 AC3 8 TYR A 25 PHE A 135 ASN A 146 SER A 148 SITE 2 AC3 8 PHE A 160 VAL A 162 TYR A 168 HOH A 249 CRYST1 107.750 107.750 123.920 90.00 90.00 120.00 H 3 2 18 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 0.009281 0.005358 0.000000 0.00000 SCALE2 0.000000 0.010716 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008070 0.00000