HEADER TRANSCRIPTION 12-SEP-01 1JYE TITLE STRUCTURE OF A DIMERIC LAC REPRESSOR WITH C-TERMINAL DELETION AND K84L TITLE 2 SUBSTITUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: LACTOSE OPERON REPRESSOR; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: C-TERMINAL DELETION MUTANT; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: LACI; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: TB-1; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PJC-1 KEYWDS GENE REGULATION, PROTEIN STABILITY, PROTEIN DNA-BINDING, KEYWDS 2 TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR C.E.BELL,J.BARRY,K.S.MATTHEWS,M.LEWIS REVDAT 8 03-APR-24 1JYE 1 REMARK REVDAT 7 07-FEB-24 1JYE 1 REMARK REVDAT 6 27-OCT-21 1JYE 1 SEQADV REVDAT 5 14-APR-21 1JYE 1 REMARK REVDAT 4 16-NOV-11 1JYE 1 HETATM REVDAT 3 13-JUL-11 1JYE 1 VERSN REVDAT 2 24-FEB-09 1JYE 1 VERSN REVDAT 1 18-OCT-01 1JYE 0 JRNL AUTH C.E.BELL,J.BARRY,K.S.MATTHEWS,M.LEWIS JRNL TITL STRUCTURE OF A VARIANT OF LAC REPRESSOR WITH INCREASED JRNL TITL 2 THERMOSTABILITY AND DECREASED AFFINITY FOR OPERATOR. JRNL REF J.MOL.BIOL. V. 313 99 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11601849 JRNL DOI 10.1006/JMBI.2001.5041 REMARK 2 REMARK 2 RESOLUTION. 1.70 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 9.95 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1304025.400 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.6 REMARK 3 NUMBER OF REFLECTIONS : 43541 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) : 0.223 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4366 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 : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 74.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5181 REMARK 3 BIN R VALUE (WORKING SET) : 0.2840 REMARK 3 BIN FREE R VALUE : 0.2840 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 580 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.012 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2026 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 235 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.71000 REMARK 3 B22 (A**2) : 2.71000 REMARK 3 B33 (A**2) : -5.42000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : -0.0 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) : 0.22 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.760 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) : 1.170 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.840 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.950 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.950 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.52 REMARK 3 BSOL : 66.16 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_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JYE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-SEP-01. REMARK 100 THE DEPOSITION ID IS D_1000014330. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRANDEIS - B4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44403 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 17.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.1 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.06300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.5000 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) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : 72.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.08900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 7.200 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: LAC REPRESSOR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM ACETATE, SODIUM CITRATE, PH REMARK 280 5.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 -X+1/2,Y,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 43.50350 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 43.50350 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 112.04900 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 43.50350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 56.02450 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 43.50350 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 168.07350 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 43.50350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 168.07350 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 43.50350 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 56.02450 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 43.50350 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 43.50350 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 112.04900 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 43.50350 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 43.50350 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 112.04900 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 43.50350 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 168.07350 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 43.50350 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 56.02450 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 43.50350 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 56.02450 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 43.50350 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 168.07350 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 43.50350 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 43.50350 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 112.04900 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 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 -1.000000 0.000000 0.000000 130.51050 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 168.07350 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 A 374 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 421 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 450 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 512 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 525 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 526 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 MET A 1 REMARK 465 LYS A 2 REMARK 465 PRO A 3 REMARK 465 VAL A 4 REMARK 465 THR A 5 REMARK 465 LEU A 6 REMARK 465 TYR A 7 REMARK 465 ASP A 8 REMARK 465 VAL A 9 REMARK 465 ALA A 10 REMARK 465 GLU A 11 REMARK 465 TYR A 12 REMARK 465 ALA A 13 REMARK 465 GLY A 14 REMARK 465 VAL A 15 REMARK 465 SER A 16 REMARK 465 TYR A 17 REMARK 465 GLN A 18 REMARK 465 THR A 19 REMARK 465 VAL A 20 REMARK 465 SER A 21 REMARK 465 ARG A 22 REMARK 465 VAL A 23 REMARK 465 VAL A 24 REMARK 465 ASN A 25 REMARK 465 GLN A 26 REMARK 465 ALA A 27 REMARK 465 SER A 28 REMARK 465 HIS A 29 REMARK 465 VAL A 30 REMARK 465 SER A 31 REMARK 465 ALA A 32 REMARK 465 LYS A 33 REMARK 465 THR A 34 REMARK 465 ARG A 35 REMARK 465 GLU A 36 REMARK 465 LYS A 37 REMARK 465 VAL A 38 REMARK 465 GLU A 39 REMARK 465 ALA A 40 REMARK 465 ALA A 41 REMARK 465 MET A 42 REMARK 465 ALA A 43 REMARK 465 GLU A 44 REMARK 465 LEU A 45 REMARK 465 ASN A 46 REMARK 465 TYR A 47 REMARK 465 ILE A 48 REMARK 465 PRO A 49 REMARK 465 ASN A 50 REMARK 465 ARG A 51 REMARK 465 VAL A 52 REMARK 465 ALA A 53 REMARK 465 GLN A 54 REMARK 465 GLN A 55 REMARK 465 LEU A 56 REMARK 465 ALA A 57 REMARK 465 GLY A 58 REMARK 465 LYS A 59 REMARK 465 GLN A 60 REMARK 465 SER A 61 REMARK 465 ASN A 333 REMARK 465 THR A 334 REMARK 465 GLN A 335 REMARK 465 THR A 336 REMARK 465 ALA A 337 REMARK 465 SER A 338 REMARK 465 PRO A 339 REMARK 465 ARG A 340 REMARK 465 ALA A 341 REMARK 465 LEU A 342 REMARK 465 ALA A 343 REMARK 465 ASP A 344 REMARK 465 SER A 345 REMARK 465 LEU A 346 REMARK 465 MET A 347 REMARK 465 GLN A 348 REMARK 465 LEU A 349 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 GLU A 100 -0.93 -55.25 REMARK 500 ARG A 101 151.15 73.72 REMARK 500 SER A 102 105.57 56.42 REMARK 500 ASN A 125 60.31 -103.19 REMARK 500 ASN A 142 -7.82 62.54 REMARK 500 ALA A 214 148.46 -174.58 REMARK 500 TRP A 220 -14.41 86.01 REMARK 500 ASP A 274 -48.18 127.92 REMARK 500 ASP A 275 61.13 69.05 REMARK 500 ALA A 312 -116.04 -91.93 REMARK 500 VAL A 313 -136.30 -147.75 REMARK 500 LYS A 314 82.42 -176.83 REMARK 500 ARG A 326 -128.98 -125.13 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 GOL A 350 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JYF RELATED DB: PDB REMARK 900 DIMERIC LAC REPRESSOR WITH AN 11-RESIDUE C-TERMINAL DELETION REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE DIFFERENCE AT POSITION 109 IS A DIFFERENCE IN THE REMARK 999 SEQUENCE REPORTED BY FARABAUGH, P.J. (1978) NATURE 274, REMARK 999 765-769 AND THE PIQ SEQUENCE REPORTED BY BETZ J.L. (1986) REMARK 999 GENE 42, 283-292. THE PROTEIN IN THIS STRUCTURE IS DERIVED REMARK 999 FROM PIQ AND HAS THR AT POSITION 109. DBREF 1JYE A 1 349 UNP P03023 LACI_ECOLI 1 349 SEQADV 1JYE LEU A 84 UNP P03023 LYS 84 ENGINEERED MUTATION SEQADV 1JYE THR A 109 UNP P03023 ALA 109 SEE REMARK 999 SEQRES 1 A 349 MET LYS PRO VAL THR LEU TYR ASP VAL ALA GLU TYR ALA SEQRES 2 A 349 GLY VAL SER TYR GLN THR VAL SER ARG VAL VAL ASN GLN SEQRES 3 A 349 ALA SER HIS VAL SER ALA LYS THR ARG GLU LYS VAL GLU SEQRES 4 A 349 ALA ALA MET ALA GLU LEU ASN TYR ILE PRO ASN ARG VAL SEQRES 5 A 349 ALA GLN GLN LEU ALA GLY LYS GLN SER LEU LEU ILE GLY SEQRES 6 A 349 VAL ALA THR SER SER LEU ALA LEU HIS ALA PRO SER GLN SEQRES 7 A 349 ILE VAL ALA ALA ILE LEU SER ARG ALA ASP GLN LEU GLY SEQRES 8 A 349 ALA SER VAL VAL VAL SER MET VAL GLU ARG SER GLY VAL SEQRES 9 A 349 GLU ALA CYS LYS THR ALA VAL HIS ASN LEU LEU ALA GLN SEQRES 10 A 349 ARG VAL SER GLY LEU ILE ILE ASN TYR PRO LEU ASP ASP SEQRES 11 A 349 GLN ASP ALA ILE ALA VAL GLU ALA ALA CYS THR ASN VAL SEQRES 12 A 349 PRO ALA LEU PHE LEU ASP VAL SER ASP GLN THR PRO ILE SEQRES 13 A 349 ASN SER ILE ILE PHE SER HIS GLU ASP GLY THR ARG LEU SEQRES 14 A 349 GLY VAL GLU HIS LEU VAL ALA LEU GLY HIS GLN GLN ILE SEQRES 15 A 349 ALA LEU LEU ALA GLY PRO LEU SER SER VAL SER ALA ARG SEQRES 16 A 349 LEU ARG LEU ALA GLY TRP HIS LYS TYR LEU THR ARG ASN SEQRES 17 A 349 GLN ILE GLN PRO ILE ALA GLU ARG GLU GLY ASP TRP SER SEQRES 18 A 349 ALA MET SER GLY PHE GLN GLN THR MET GLN MET LEU ASN SEQRES 19 A 349 GLU GLY ILE VAL PRO THR ALA MET LEU VAL ALA ASN ASP SEQRES 20 A 349 GLN MET ALA LEU GLY ALA MET ARG ALA ILE THR GLU SER SEQRES 21 A 349 GLY LEU ARG VAL GLY ALA ASP ILE SER VAL VAL GLY TYR SEQRES 22 A 349 ASP ASP THR GLU ASP SER SER CYS TYR ILE PRO PRO LEU SEQRES 23 A 349 THR THR ILE LYS GLN ASP PHE ARG LEU LEU GLY GLN THR SEQRES 24 A 349 SER VAL ASP ARG LEU LEU GLN LEU SER GLN GLY GLN ALA SEQRES 25 A 349 VAL LYS GLY ASN GLN LEU LEU PRO VAL SER LEU VAL LYS SEQRES 26 A 349 ARG LYS THR THR LEU ALA PRO ASN THR GLN THR ALA SER SEQRES 27 A 349 PRO ARG ALA LEU ALA ASP SER LEU MET GLN LEU HET GOL A 350 6 HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 GOL C3 H8 O3 FORMUL 3 HOH *235(H2 O) HELIX 1 1 LEU A 73 LEU A 90 1 18 HELIX 2 2 GLY A 103 ALA A 116 1 14 HELIX 3 3 ASP A 129 CYS A 140 1 12 HELIX 4 4 SER A 162 GLY A 178 1 17 HELIX 5 5 SER A 191 ASN A 208 1 18 HELIX 6 6 SER A 221 GLU A 235 1 15 HELIX 7 7 ASN A 246 SER A 260 1 15 HELIX 8 8 THR A 276 TYR A 282 5 7 HELIX 9 9 ASP A 292 GLN A 309 1 18 SHEET 1 A 4 SER A 93 MET A 98 0 SHEET 2 A 4 LEU A 63 THR A 68 1 N VAL A 66 O SER A 97 SHEET 3 A 4 LEU A 122 ASN A 125 1 O ASN A 125 N ALA A 67 SHEET 4 A 4 ALA A 145 PHE A 147 1 O LEU A 146 N ILE A 124 SHEET 1 B 2 SER A 158 PHE A 161 0 SHEET 2 B 2 ASN A 316 LEU A 319 1 O LEU A 319 N ILE A 160 SHEET 1 C 4 ALA A 214 GLU A 217 0 SHEET 2 C 4 ILE A 182 ALA A 186 1 N ALA A 186 O ARG A 216 SHEET 3 C 4 ALA A 241 VAL A 244 1 O LEU A 243 N LEU A 185 SHEET 4 C 4 SER A 269 VAL A 271 1 O SER A 269 N MET A 242 SHEET 1 D 2 THR A 288 LYS A 290 0 SHEET 2 D 2 SER A 322 VAL A 324 -1 O VAL A 324 N THR A 288 CISPEP 1 ILE A 283 PRO A 284 0 -0.29 SITE 1 AC1 6 ARG A 197 ASN A 246 ASP A 274 GLN A 291 SITE 2 AC1 6 HOH A 354 HOH A 576 CRYST1 87.007 87.007 224.098 90.00 90.00 90.00 I 41 2 2 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 0.011493 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011493 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004462 0.00000