HEADER TRANSCRIPTION/DNA 25-MAY-99 1QPI TITLE CRYSTAL STRUCTURE OF TETRACYCLINE REPRESSOR/OPERATOR COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*CP*TP*AP*TP*CP*AP*AP*TP*GP*AP*TP*AP*GP*A)- COMPND 3 3'); COMPND 4 CHAIN: M; COMPND 5 SYNONYM: TET OPERATOR DNA; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: DNA (5'-D(*TP*CP*TP*AP*TP*CP*AP*TP*TP*GP*AP*TP*AP*GP*G)- COMPND 9 3'); COMPND 10 CHAIN: N; COMPND 11 SYNONYM: TET OPERATOR DNA; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: PROTEIN (TETRACYCLINE REPRESSOR); COMPND 15 CHAIN: A; COMPND 16 SYNONYM: REGULATORY PROTEIN TETR; COMPND 17 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: DNA SEQUENCE TAKEN FROM TET OPERATOR CLASS D; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 MOL_ID: 3; SOURCE 7 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 8 ORGANISM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 11 EXPRESSION_SYSTEM_STRAIN: K12 DELTA H1 DELTA TRP KEYWDS TRANSCRIPTION REGULATION, REPRESSOR-OPERATOR COMPLEX, TRANSCRIPTION- KEYWDS 2 DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR P.ORTH,D.SCHNAPPINGER,W.HILLEN,W.SAENGER,W.HINRICHS REVDAT 4 14-FEB-24 1QPI 1 REMARK REVDAT 3 24-FEB-09 1QPI 1 VERSN REVDAT 2 14-JUN-00 1QPI 3 ATOM REVDAT 1 28-FEB-00 1QPI 0 JRNL AUTH P.ORTH,D.SCHNAPPINGER,W.HILLEN,W.SAENGER,W.HINRICHS JRNL TITL STRUCTURAL BASIS OF GENE REGULATION BY THE TETRACYCLINE JRNL TITL 2 INDUCIBLE TET REPRESSOR-OPERATOR SYSTEM. JRNL REF NAT.STRUCT.BIOL. V. 7 215 2000 JRNL REFN ISSN 1072-8368 JRNL PMID 10700280 JRNL DOI 10.1038/73324 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.5 REMARK 3 NUMBER OF REFLECTIONS : 11520 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) : 0.244 REMARK 3 FREE R VALUE : 0.307 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1166 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 : 1550 REMARK 3 NUCLEIC ACID ATOMS : 607 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 41 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 58.00 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.340 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 USED WEIGHTED FULL MATRIX LEAST SQUARE PROCEDURE. THE DNA BASE REMARK 3 PAIRS REMARK 3 1, 8 AND 15 ARE NOT PALINDROMIC. IN REFINEMENT THE CENTRAL BASE M 8 REMARK 3 WAS MODELED USING ADENINE AND THYMINE WITH 50 % OCCUPANCY EACH, REMARK 3 RESPECTIVELY. BASE M 1 WAS EITHER CYTOSINE OR THYMINE AND BASE M 15 REMARK 3 WAS EITHER GUANINE OR ADENINE. DUE TO CLOSE CRYSTAL PACKING REMARK 3 CONTACTS REMARK 3 THESE TERMINAL BASES WERE FOUND DISORDERED AND WERE MODELED AS REMARK 3 CYTOSINE (BASE M 1) AND ADENINE (BASE M 15), RESPECTIVELY. REMARK 4 REMARK 4 1QPI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-MAY-99. REMARK 100 THE DEPOSITION ID IS D_1000009115. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-JUL-97 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.00 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : ENRAF-NONIUS FR571 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 : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12437 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.450 REMARK 200 RESOLUTION RANGE LOW (A) : 34.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.2 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 12.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.28700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 52.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 45.87500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 45.87500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 19.02000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 96.60000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 19.02000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 96.60000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 45.87500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 19.02000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 96.60000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 45.87500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 19.02000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 96.60000 REMARK 290 SMTRY3 8 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 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: HEXAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: M, N, 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 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 45.87500 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 THR A 156 REMARK 465 ASP A 157 REMARK 465 ARG A 158 REMARK 465 PRO A 159 REMARK 465 ALA A 160 REMARK 465 ALA A 161 REMARK 465 PRO A 162 REMARK 465 ASP A 163 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 DT N 1 C7 REMARK 470 DG N 15 N2 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 C2 DA M 15 CD1 TRP A 43 2554 2.10 REMARK 500 C2 DG N 15 CD1 TRP A 43 2554 2.10 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 DT N 1 C4 DT N 1 O4 0.115 REMARK 500 DT N 8 O3' DT N 9 P -0.088 REMARK 500 DG N 15 C6 DG N 15 O6 0.102 REMARK 500 ARG A 28 CD ARG A 28 NE -0.234 REMARK 500 ASP A 53 CG ASP A 53 OD2 -0.195 REMARK 500 ASN A 123 N ASN A 123 CA 0.257 REMARK 500 ASN A 123 CA ASN A 123 CB -0.346 REMARK 500 ASN A 123 CA ASN A 123 C 0.348 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 DC M 1 O4' - C1' - N1 ANGL. DEV. = 2.3 DEGREES REMARK 500 DA M 15 O4' - C1' - N9 ANGL. DEV. = 2.1 DEGREES REMARK 500 DT N 1 O4' - C1' - N1 ANGL. DEV. = 2.3 DEGREES REMARK 500 DT N 1 N1 - C2 - N3 ANGL. DEV. = 4.7 DEGREES REMARK 500 DT N 1 C2 - N3 - C4 ANGL. DEV. = -7.2 DEGREES REMARK 500 DT N 1 N3 - C4 - C5 ANGL. DEV. = 6.6 DEGREES REMARK 500 DT N 1 C5 - C4 - O4 ANGL. DEV. = -4.6 DEGREES REMARK 500 DT N 8 O5' - P - OP2 ANGL. DEV. = -9.6 DEGREES REMARK 500 DT N 8 P - O5' - C5' ANGL. DEV. = -15.5 DEGREES REMARK 500 DT N 9 O3' - P - O5' ANGL. DEV. = -14.6 DEGREES REMARK 500 DG N 15 O4' - C1' - N9 ANGL. DEV. = 2.1 DEGREES REMARK 500 DG N 15 C6 - N1 - C2 ANGL. DEV. = -6.4 DEGREES REMARK 500 DG N 15 N1 - C2 - N3 ANGL. DEV. = 5.5 DEGREES REMARK 500 DG N 15 C5 - C6 - N1 ANGL. DEV. = 6.0 DEGREES REMARK 500 DG N 15 C5 - C6 - O6 ANGL. DEV. = -4.4 DEGREES REMARK 500 ARG A 28 CD - NE - CZ ANGL. DEV. = 35.4 DEGREES REMARK 500 ARG A 28 NE - CZ - NH1 ANGL. DEV. = -20.6 DEGREES REMARK 500 ARG A 28 NE - CZ - NH2 ANGL. DEV. = 20.4 DEGREES REMARK 500 ASP A 53 OD1 - CG - OD2 ANGL. DEV. = 16.0 DEGREES REMARK 500 ASP A 53 CB - CG - OD2 ANGL. DEV. = -19.4 DEGREES REMARK 500 ASN A 123 CA - CB - CG ANGL. DEV. = -15.9 DEGREES REMARK 500 ASN A 123 N - CA - C ANGL. DEV. = -21.3 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 ASN A 5 -168.38 -44.72 REMARK 500 GLU A 19 -66.23 -91.46 REMARK 500 PRO A 39 -3.42 -58.97 REMARK 500 ALA A 153 -106.39 -72.35 REMARK 500 ASN A 165 53.77 -153.95 REMARK 500 PRO A 168 -72.55 -35.91 REMARK 500 ASP A 181 -10.28 108.30 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 IMD A 1 DBREF 1QPI A 4 206 UNP P0ACT4 TETR4_ECOLI 3 205 DBREF 1QPI M 1 15 PDB 1QPI 1QPI 1 15 DBREF 1QPI N 1 15 PDB 1QPI 1QPI 1 15 SEQRES 1 M 15 DC DC DT DA DT DC DA DA DT DG DA DT DA SEQRES 2 M 15 DG DA SEQRES 1 N 15 DT DC DT DA DT DC DA DT DT DG DA DT DA SEQRES 2 N 15 DG DG SEQRES 1 A 203 LEU ASN ARG GLU SER VAL ILE ASP ALA ALA LEU GLU LEU SEQRES 2 A 203 LEU ASN GLU THR GLY ILE ASP GLY LEU THR THR ARG LYS SEQRES 3 A 203 LEU ALA GLN LYS LEU GLY ILE GLU GLN PRO THR LEU TYR SEQRES 4 A 203 TRP HIS VAL LYS ASN LYS ARG ALA LEU LEU ASP ALA LEU SEQRES 5 A 203 ALA VAL GLU ILE LEU ALA ARG HIS HIS ASP TYR SER LEU SEQRES 6 A 203 PRO ALA ALA GLY GLU SER TRP GLN SER PHE LEU ARG ASN SEQRES 7 A 203 ASN ALA MET SER PHE ARG ARG ALA LEU LEU ARG TYR ARG SEQRES 8 A 203 ASP GLY ALA LYS VAL HIS LEU GLY THR ARG PRO ASP GLU SEQRES 9 A 203 LYS GLN TYR ASP THR VAL GLU THR GLN LEU ARG PHE MET SEQRES 10 A 203 THR GLU ASN GLY PHE SER LEU ARG ASP GLY LEU TYR ALA SEQRES 11 A 203 ILE SER ALA VAL SER HIS PHE THR LEU GLY ALA VAL LEU SEQRES 12 A 203 GLU GLN GLN GLU HIS THR ALA ALA LEU THR ASP ARG PRO SEQRES 13 A 203 ALA ALA PRO ASP GLU ASN LEU PRO PRO LEU LEU ARG GLU SEQRES 14 A 203 ALA LEU GLN ILE MET ASP SER ASP ASP GLY GLU GLN ALA SEQRES 15 A 203 PHE LEU HIS GLY LEU GLU SER LEU ILE ARG GLY PHE GLU SEQRES 16 A 203 VAL GLN LEU THR ALA LEU LEU GLN HET IMD A 1 5 HETNAM IMD IMIDAZOLE FORMUL 4 IMD C3 H5 N2 1+ FORMUL 5 HOH *41(H2 O) HELIX 1 1 ARG A 6 GLY A 21 1 16 HELIX 2 2 THR A 20 LEU A 25 1 6 HELIX 3 3 THR A 26 LEU A 34 1 9 HELIX 4 4 GLU A 37 PRO A 39 5 3 HELIX 5 5 THR A 40 VAL A 45 1 6 HELIX 6 6 ASN A 47 HIS A 64 1 18 HELIX 7 7 SER A 74 ARG A 92 1 19 HELIX 8 8 ASP A 95 THR A 103 1 9 HELIX 9 9 ASP A 106 LYS A 108 5 3 HELIX 10 10 GLN A 109 GLU A 122 1 14 HELIX 11 11 SER A 126 ALA A 153 1 28 HELIX 12 12 PRO A 167 ASP A 181 1 15 HELIX 13 13 GLY A 182 THR A 202 1 21 SITE 1 AC1 6 HIS A 100 LEU A 101 THR A 103 ARG A 104 SITE 2 AC1 6 GLU A 147 GLU A 150 CRYST1 38.040 193.200 91.750 90.00 90.00 90.00 C 2 2 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 0.026288 0.000000 0.000000 0.00000 SCALE2 0.000000 0.005176 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010899 0.00000