PDB Short entry for 2P9H HEADER TRANSCRIPTION 26-MAR-07 2P9H TITLE HIGH RESOLUTION STRUCTURE OF THE LACTOSE REPRESSOR BOUND TO IPTG COMPND MOL_ID: 1; COMPND 2 MOLECULE: LACTOSE OPERON REPRESSOR; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: 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 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: HTUA KEYWDS LAC REPRESSOR, ALLOSTERIC EFFECTORS, GENE REGULATION, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR R.DABER REVDAT 5 30-AUG-23 2P9H 1 HETSYN REVDAT 4 29-JUL-20 2P9H 1 COMPND REMARK HETNAM SITE REVDAT 3 24-FEB-09 2P9H 1 VERSN REVDAT 2 17-JUL-07 2P9H 1 JRNL REVDAT 1 19-JUN-07 2P9H 0 JRNL AUTH R.DABER,S.STAYROOK,A.ROSENBERG,M.LEWIS JRNL TITL STRUCTURAL ANALYSIS OF LAC REPRESSOR BOUND TO ALLOSTERIC JRNL TITL 2 EFFECTORS. JRNL REF J.MOL.BIOL. V. 370 609 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17543986 JRNL DOI 10.1016/J.JMB.2007.04.028 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.04 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 83.6 REMARK 3 NUMBER OF REFLECTIONS : 34872 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) : 0.188 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1868 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1129 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 36.89 REMARK 3 BIN R VALUE (WORKING SET) : 0.2130 REMARK 3 BIN FREE R VALUE SET COUNT : 51 REMARK 3 BIN FREE R VALUE : 0.2620 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4026 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 30 REMARK 3 SOLVENT ATOMS : 738 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.85 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.24000 REMARK 3 B22 (A**2) : 1.24000 REMARK 3 B33 (A**2) : -2.49000 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): 0.221 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.197 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.123 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.386 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.954 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.922 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4114 ; 0.017 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5594 ; 1.710 ; 1.981 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 536 ; 7.147 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 162 ;39.505 ;24.815 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 704 ;16.713 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 26 ;22.436 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 692 ; 0.111 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3002 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 2637 ; 0.242 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2892 ; 0.315 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 704 ; 0.200 ; 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): 80 ; 0.297 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 45 ; 0.225 ; 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): 2734 ; 1.022 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4298 ; 1.668 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1506 ; 2.543 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1296 ; 4.032 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 : NULL 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 RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2P9H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-JUN-07. REMARK 100 THE DEPOSITION ID IS D_1000042134. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-JUL-06 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 : X6A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92 REMARK 200 MONOCHROMATOR : SYNCHROTRON REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36802 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 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 (%) : 83.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.13600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.06 REMARK 200 COMPLETENESS FOR SHELL (%) : 37.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.26400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 1EFA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.72 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.4 M SODIUM ACETATE, 0.1 M SODIUM REMARK 280 CITRATE, PH 5.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 281K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 105.29150 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 38.56250 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 38.56250 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 52.64575 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 38.56250 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 38.56250 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 157.93725 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 38.56250 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.56250 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 52.64575 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 38.56250 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.56250 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 157.93725 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 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 105.29150 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: 4270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 1115 O HOH A 1176 1.75 REMARK 500 ND2 ASN B 157 O LYS B 314 1.84 REMARK 500 O HOH B 1020 O HOH B 1344 2.00 REMARK 500 CG GLN A 227 O HOH A 1339 2.07 REMARK 500 CB ASN A 234 O HOH A 1316 2.14 REMARK 500 O HOH B 1060 O HOH B 1269 2.16 REMARK 500 OD2 ASP A 130 O HOH A 1344 2.18 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 LEU A 62 CA - CB - CG ANGL. DEV. = 16.2 DEGREES REMARK 500 ARG A 255 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 255 NE - CZ - NH2 ANGL. DEV. = -3.9 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 ARG A 101 -151.86 58.70 REMARK 500 ARG A 118 40.05 70.50 REMARK 500 THR A 141 73.47 26.00 REMARK 500 ASN A 142 -32.55 77.77 REMARK 500 ASP A 152 2.80 -66.44 REMARK 500 TRP A 220 -11.65 83.00 REMARK 500 ASP A 274 -38.82 125.17 REMARK 500 GLN A 311 54.09 -107.74 REMARK 500 ARG A 326 -126.70 -121.90 REMARK 500 SER B 69 172.95 -55.52 REMARK 500 ARG B 101 -111.52 -126.19 REMARK 500 THR B 141 -137.50 58.42 REMARK 500 TRP B 220 -13.86 85.41 REMARK 500 ASP B 274 -34.58 127.50 REMARK 500 GLN B 309 -101.29 -61.32 REMARK 500 GLN B 311 61.53 -152.41 REMARK 500 ARG B 326 -116.57 -123.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 VAL B 99 GLU B 100 -140.24 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2PAF RELATED DB: PDB DBREF 2P9H A 62 330 UNP P03023 LACI_ECOLI 62 330 DBREF 2P9H B 62 330 UNP P03023 LACI_ECOLI 62 330 SEQRES 1 A 269 LEU LEU ILE GLY VAL ALA THR SER SER LEU ALA LEU HIS SEQRES 2 A 269 ALA PRO SER GLN ILE VAL ALA ALA ILE LYS SER ARG ALA SEQRES 3 A 269 ASP GLN LEU GLY ALA SER VAL VAL VAL SER MET VAL GLU SEQRES 4 A 269 ARG SER GLY VAL GLU ALA CYS LYS ALA ALA VAL HIS ASN SEQRES 5 A 269 LEU LEU ALA GLN ARG VAL SER GLY LEU ILE ILE ASN TYR SEQRES 6 A 269 PRO LEU ASP ASP GLN ASP ALA ILE ALA VAL GLU ALA ALA SEQRES 7 A 269 CYS THR ASN VAL PRO ALA LEU PHE LEU ASP VAL SER ASP SEQRES 8 A 269 GLN THR PRO ILE ASN SER ILE ILE PHE SER HIS GLU ASP SEQRES 9 A 269 GLY THR ARG LEU GLY VAL GLU HIS LEU VAL ALA LEU GLY SEQRES 10 A 269 HIS GLN GLN ILE ALA LEU LEU ALA GLY PRO LEU SER SER SEQRES 11 A 269 VAL SER ALA ARG LEU ARG LEU ALA GLY TRP HIS LYS TYR SEQRES 12 A 269 LEU THR ARG ASN GLN ILE GLN PRO ILE ALA GLU ARG GLU SEQRES 13 A 269 GLY ASP TRP SER ALA MET SER GLY PHE GLN GLN THR MET SEQRES 14 A 269 GLN MET LEU ASN GLU GLY ILE VAL PRO THR ALA MET LEU SEQRES 15 A 269 VAL ALA ASN ASP GLN MET ALA LEU GLY ALA MET ARG ALA SEQRES 16 A 269 ILE THR GLU SER GLY LEU ARG VAL GLY ALA ASP ILE SER SEQRES 17 A 269 VAL VAL GLY TYR ASP ASP THR GLU ASP SER SER CYS TYR SEQRES 18 A 269 ILE PRO PRO LEU THR THR ILE LYS GLN ASP PHE ARG LEU SEQRES 19 A 269 LEU GLY GLN THR SER VAL ASP ARG LEU LEU GLN LEU SER SEQRES 20 A 269 GLN GLY GLN ALA VAL LYS GLY ASN GLN LEU LEU PRO VAL SEQRES 21 A 269 SER LEU VAL LYS ARG LYS THR THR LEU SEQRES 1 B 269 LEU LEU ILE GLY VAL ALA THR SER SER LEU ALA LEU HIS SEQRES 2 B 269 ALA PRO SER GLN ILE VAL ALA ALA ILE LYS SER ARG ALA SEQRES 3 B 269 ASP GLN LEU GLY ALA SER VAL VAL VAL SER MET VAL GLU SEQRES 4 B 269 ARG SER GLY VAL GLU ALA CYS LYS ALA ALA VAL HIS ASN SEQRES 5 B 269 LEU LEU ALA GLN ARG VAL SER GLY LEU ILE ILE ASN TYR SEQRES 6 B 269 PRO LEU ASP ASP GLN ASP ALA ILE ALA VAL GLU ALA ALA SEQRES 7 B 269 CYS THR ASN VAL PRO ALA LEU PHE LEU ASP VAL SER ASP SEQRES 8 B 269 GLN THR PRO ILE ASN SER ILE ILE PHE SER HIS GLU ASP SEQRES 9 B 269 GLY THR ARG LEU GLY VAL GLU HIS LEU VAL ALA LEU GLY SEQRES 10 B 269 HIS GLN GLN ILE ALA LEU LEU ALA GLY PRO LEU SER SER SEQRES 11 B 269 VAL SER ALA ARG LEU ARG LEU ALA GLY TRP HIS LYS TYR SEQRES 12 B 269 LEU THR ARG ASN GLN ILE GLN PRO ILE ALA GLU ARG GLU SEQRES 13 B 269 GLY ASP TRP SER ALA MET SER GLY PHE GLN GLN THR MET SEQRES 14 B 269 GLN MET LEU ASN GLU GLY ILE VAL PRO THR ALA MET LEU SEQRES 15 B 269 VAL ALA ASN ASP GLN MET ALA LEU GLY ALA MET ARG ALA SEQRES 16 B 269 ILE THR GLU SER GLY LEU ARG VAL GLY ALA ASP ILE SER SEQRES 17 B 269 VAL VAL GLY TYR ASP ASP THR GLU ASP SER SER CYS TYR SEQRES 18 B 269 ILE PRO PRO LEU THR THR ILE LYS GLN ASP PHE ARG LEU SEQRES 19 B 269 LEU GLY GLN THR SER VAL ASP ARG LEU LEU GLN LEU SER SEQRES 20 B 269 GLN GLY GLN ALA VAL LYS GLY ASN GLN LEU LEU PRO VAL SEQRES 21 B 269 SER LEU VAL LYS ARG LYS THR THR LEU HET IPT A 998 15 HET IPT B 999 15 HETNAM IPT 1-METHYLETHYL 1-THIO-BETA-D-GALACTOPYRANOSIDE HETSYN IPT ISOPROPYL-1-BETA-D-THIOGALACTOSIDE; 1-(ISOPROPYLTHIO)- HETSYN 2 IPT BETA-GALACTOPYRANSIDE; 1-METHYLETHYL 1-THIO-BETA-D- HETSYN 3 IPT GALACTOSIDE; 1-METHYLETHYL 1-THIO-D-GALACTOSIDE; 1- HETSYN 4 IPT METHYLETHYL 1-THIO-GALACTOSIDE FORMUL 3 IPT 2(C9 H18 O5 S) FORMUL 5 HOH *738(H2 O) HELIX 1 1 LEU A 73 GLY A 91 1 19 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 HELIX 10 10 LEU B 73 GLY B 91 1 19 HELIX 11 11 GLY B 103 GLN B 117 1 15 HELIX 12 12 ASP B 129 ALA B 139 1 11 HELIX 13 13 SER B 162 LEU B 177 1 16 HELIX 14 14 SER B 191 ASN B 208 1 18 HELIX 15 15 SER B 221 GLU B 235 1 15 HELIX 16 16 ASN B 246 SER B 260 1 15 HELIX 17 17 THR B 276 TYR B 282 5 7 HELIX 18 18 ASP B 292 GLY B 310 1 19 SHEET 1 A 4 SER A 93 MET A 98 0 SHEET 2 A 4 LEU A 63 THR A 68 1 N ILE A 64 O SER A 93 SHEET 3 A 4 GLY A 121 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 6 ALA A 214 GLU A 217 0 SHEET 2 C 6 ILE A 182 ALA A 186 1 N LEU A 184 O ARG A 216 SHEET 3 C 6 ALA A 241 VAL A 244 1 O LEU A 243 N LEU A 185 SHEET 4 C 6 SER A 269 ASP A 274 1 O VAL A 271 N VAL A 244 SHEET 5 C 6 THR A 287 LYS A 290 1 O ILE A 289 N ASP A 274 SHEET 6 C 6 SER A 322 VAL A 324 -1 O VAL A 324 N THR A 288 SHEET 1 D 4 SER B 93 MET B 98 0 SHEET 2 D 4 LEU B 63 THR B 68 1 N ILE B 64 O SER B 93 SHEET 3 D 4 GLY B 121 ASN B 125 1 O ASN B 125 N ALA B 67 SHEET 4 D 4 ALA B 145 PHE B 147 1 O LEU B 146 N ILE B 124 SHEET 1 E 2 SER B 158 PHE B 161 0 SHEET 2 E 2 ASN B 316 LEU B 319 1 O LEU B 319 N ILE B 160 SHEET 1 F 6 ALA B 214 GLU B 217 0 SHEET 2 F 6 ILE B 182 ALA B 186 1 N LEU B 184 O ARG B 216 SHEET 3 F 6 ALA B 241 VAL B 244 1 O LEU B 243 N LEU B 185 SHEET 4 F 6 SER B 269 ASP B 274 1 O VAL B 271 N VAL B 244 SHEET 5 F 6 THR B 288 LYS B 290 1 O ILE B 289 N ASP B 274 SHEET 6 F 6 SER B 322 VAL B 324 -1 O VAL B 324 N THR B 288 CISPEP 1 ILE A 283 PRO A 284 0 -0.29 CISPEP 2 ILE B 283 PRO B 284 0 1.70 CRYST1 77.125 77.125 210.583 90.00 90.00 90.00 P 41 21 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 0.012966 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012966 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004749 0.00000