PDB Short entry for 1CMC HEADER DNA-BINDING REGULATORY PROTEIN 28-AUG-92 1CMC TITLE THREE DIMENSIONAL CRYSTAL STRUCTURES OF E. COLI MET REPRESSOR WITH AND TITLE 2 WITHOUT COREPRESSOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: MET 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 KEYWDS DNA-BINDING REGULATORY PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.S.SOMERS,S.E.V.PHILLIPS REVDAT 5 14-FEB-24 1CMC 1 REMARK LINK REVDAT 4 29-NOV-17 1CMC 1 HELIX REVDAT 3 24-FEB-09 1CMC 1 VERSN REVDAT 2 01-APR-03 1CMC 1 JRNL REVDAT 1 31-OCT-93 1CMC 0 JRNL AUTH J.B.RAFFERTY,W.S.SOMERS,I.SAINT-GIRONS,S.E.PHILLIPS JRNL TITL THREE-DIMENSIONAL CRYSTAL STRUCTURES OF ESCHERICHIA COLI MET JRNL TITL 2 REPRESSOR WITH AND WITHOUT COREPRESSOR. JRNL REF NATURE V. 341 705 1989 JRNL REFN ISSN 0028-0836 JRNL PMID 2677753 JRNL DOI 10.1038/341705A0 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 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 + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : NULL 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 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1690 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 56 REMARK 3 SOLVENT ATOMS : 206 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.022 ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CMC 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_1000172390. 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 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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 (%): 55.51 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: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-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 54.53333 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 27.26667 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 27.26667 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 54.53333 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: 4260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11250 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -46.0 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 196 O HOH A 205 2.03 REMARK 500 O HOH A 182 O HOH A 208 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 NZ LYS A 17 O HOH A 187 6556 1.29 REMARK 500 O HOH B 132 O HOH B 198 6555 1.65 REMARK 500 O HOH A 195 O HOH A 195 6555 2.13 REMARK 500 OG SER B 27 O GLU B 94 4566 2.17 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 GLU B 6 CD GLU B 6 OE1 -0.074 REMARK 500 GLU B 55 CD GLU B 55 OE2 -0.069 REMARK 500 GLU B 103 CD GLU B 103 OE2 -0.081 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 LYS A 16 N - CA - CB ANGL. DEV. = 15.9 DEGREES REMARK 500 LYS A 17 N - CA - CB ANGL. DEV. = 12.3 DEGREES REMARK 500 SER A 18 CA - C - N ANGL. DEV. = -16.8 DEGREES REMARK 500 VAL A 21 CA - CB - CG1 ANGL. DEV. = -9.9 DEGREES REMARK 500 ASP A 38 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 GLU A 39 OE1 - CD - OE2 ANGL. DEV. = -9.5 DEGREES REMARK 500 ARG A 40 CD - NE - CZ ANGL. DEV. = 11.3 DEGREES REMARK 500 ARG A 40 NE - CZ - NH2 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 42 NE - CZ - NH1 ANGL. DEV. = -6.2 DEGREES REMARK 500 ARG A 42 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 THR A 66 CA - CB - CG2 ANGL. DEV. = 9.6 DEGREES REMARK 500 ARG A 80 NE - CZ - NH1 ANGL. DEV. = -5.4 DEGREES REMARK 500 GLU A 86 OE1 - CD - OE2 ANGL. DEV. = 9.1 DEGREES REMARK 500 ARG A 93 NE - CZ - NH1 ANGL. DEV. = 8.1 DEGREES REMARK 500 ARG A 93 NE - CZ - NH2 ANGL. DEV. = -8.7 DEGREES REMARK 500 GLU A 100 OE1 - CD - OE2 ANGL. DEV. = -7.7 DEGREES REMARK 500 GLU A 100 CG - CD - OE1 ANGL. DEV. = 17.5 DEGREES REMARK 500 TRP A 102 O - C - N ANGL. DEV. = 13.2 DEGREES REMARK 500 TYR A 104 CB - CG - CD1 ANGL. DEV. = -4.8 DEGREES REMARK 500 GLU B 2 CB - CG - CD ANGL. DEV. = 19.5 DEGREES REMARK 500 GLU B 2 CG - CD - OE1 ANGL. DEV. = 13.1 DEGREES REMARK 500 GLU B 2 CG - CD - OE2 ANGL. DEV. = -13.4 DEGREES REMARK 500 TYR B 7 CB - CG - CD2 ANGL. DEV. = -5.1 DEGREES REMARK 500 TYR B 7 CG - CD2 - CE2 ANGL. DEV. = -7.5 DEGREES REMARK 500 TYR B 7 CZ - CE2 - CD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 GLU B 19 OE1 - CD - OE2 ANGL. DEV. = 10.7 DEGREES REMARK 500 LYS B 23 N - CA - CB ANGL. DEV. = 11.2 DEGREES REMARK 500 ASP B 38 CB - CG - OD2 ANGL. DEV. = -6.3 DEGREES REMARK 500 ARG B 40 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG B 42 NE - CZ - NH1 ANGL. DEV. = -5.0 DEGREES REMARK 500 ARG B 42 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG B 43 NE - CZ - NH2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ARG B 49 NE - CZ - NH1 ANGL. DEV. = 9.9 DEGREES REMARK 500 ARG B 49 NE - CZ - NH2 ANGL. DEV. = -13.8 DEGREES REMARK 500 PHE B 61 CB - CG - CD1 ANGL. DEV. = -5.2 DEGREES REMARK 500 HIS B 63 O - C - N ANGL. DEV. = -9.7 DEGREES REMARK 500 PHE B 65 CB - CG - CD1 ANGL. DEV. = -5.5 DEGREES REMARK 500 ASP B 75 CB - CG - OD1 ANGL. DEV. = 7.8 DEGREES REMARK 500 ARG B 77 CD - NE - CZ ANGL. DEV. = 13.9 DEGREES REMARK 500 ARG B 77 NH1 - CZ - NH2 ANGL. DEV. = -8.7 DEGREES REMARK 500 ARG B 77 NE - CZ - NH1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ASP B 82 CB - CG - OD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 GLU B 86 OE1 - CD - OE2 ANGL. DEV. = 9.9 DEGREES REMARK 500 GLU B 90 CA - CB - CG ANGL. DEV. = 19.0 DEGREES REMARK 500 ARG B 93 CD - NE - CZ ANGL. DEV. = -9.3 DEGREES REMARK 500 ARG B 93 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG B 93 NE - CZ - NH2 ANGL. DEV. = -6.0 DEGREES REMARK 500 GLU B 94 OE1 - CD - OE2 ANGL. DEV. = 12.1 DEGREES REMARK 500 GLU B 103 OE1 - CD - OE2 ANGL. DEV. = 9.2 DEGREES REMARK 500 GLU B 103 CG - CD - OE1 ANGL. DEV. = -14.0 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 LYS A 16 66.42 -163.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE IDENTITY OF RESIDUES 106 A AND 106 B IS UNKNOWN. EACH INTERACTS REMARK 600 WITH HIS 14, GLU 19, A SYMMETRY RELATED GLU 103, AND THE C- REMARK 600 TERMINUS. THE MAGNITUDE OF THE DENSITY PEAK SUGGESTS ATOMIC NUMBER REMARK 600 IN RANGE 25 - 35. IT IS POSSIBLY ARSENIC FROM BUFFER. IN REFINEMENT REMARK 600 IT WAS MODELLED BY A MAGNESIUM ION WITH OCCUPANCY 2.0. 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 MG A 106 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 14 NE2 REMARK 620 2 GLU A 19 OE2 99.7 REMARK 620 3 GLU A 103 OE2 111.7 101.9 REMARK 620 4 TYR A 104 O 108.1 151.3 74.2 REMARK 620 5 TYR A 104 OXT 138.7 94.4 102.9 60.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 106 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 14 NE2 REMARK 620 2 GLU B 19 OE2 95.1 REMARK 620 3 GLU B 103 OE1 90.9 97.4 REMARK 620 4 GLU B 103 OE2 134.4 78.4 46.6 REMARK 620 5 TYR B 104 O 128.7 111.4 125.8 94.6 REMARK 620 6 TYR B 104 OXT 100.3 164.5 80.9 89.6 59.4 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 MG A 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM A 105 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM B 105 DBREF 1CMC A 1 104 UNP P0A8U6 METJ_ECOLI 1 104 DBREF 1CMC B 1 104 UNP P0A8U6 METJ_ECOLI 1 104 SEQRES 1 A 104 ALA GLU TRP SER GLY GLU TYR ILE SER PRO TYR ALA GLU SEQRES 2 A 104 HIS GLY LYS LYS SER GLU GLN VAL LYS LYS ILE THR VAL SEQRES 3 A 104 SER ILE PRO LEU LYS VAL LEU LYS ILE LEU THR ASP GLU SEQRES 4 A 104 ARG THR ARG ARG GLN VAL ASN ASN LEU ARG HIS ALA THR SEQRES 5 A 104 ASN SER GLU LEU LEU CYS GLU ALA PHE LEU HIS ALA PHE SEQRES 6 A 104 THR GLY GLN PRO LEU PRO ASP ASP ALA ASP LEU ARG LYS SEQRES 7 A 104 GLU ARG SER ASP GLU ILE PRO GLU ALA ALA LYS GLU ILE SEQRES 8 A 104 MET ARG GLU MET GLY ILE ASN PRO GLU THR TRP GLU TYR SEQRES 1 B 104 ALA GLU TRP SER GLY GLU TYR ILE SER PRO TYR ALA GLU SEQRES 2 B 104 HIS GLY LYS LYS SER GLU GLN VAL LYS LYS ILE THR VAL SEQRES 3 B 104 SER ILE PRO LEU LYS VAL LEU LYS ILE LEU THR ASP GLU SEQRES 4 B 104 ARG THR ARG ARG GLN VAL ASN ASN LEU ARG HIS ALA THR SEQRES 5 B 104 ASN SER GLU LEU LEU CYS GLU ALA PHE LEU HIS ALA PHE SEQRES 6 B 104 THR GLY GLN PRO LEU PRO ASP ASP ALA ASP LEU ARG LYS SEQRES 7 B 104 GLU ARG SER ASP GLU ILE PRO GLU ALA ALA LYS GLU ILE SEQRES 8 B 104 MET ARG GLU MET GLY ILE ASN PRO GLU THR TRP GLU TYR HET MG A 106 1 HET SAM A 105 27 HET MG B 106 1 HET SAM B 105 27 HETNAM MG MAGNESIUM ION HETNAM SAM S-ADENOSYLMETHIONINE FORMUL 3 MG 2(MG 2+) FORMUL 4 SAM 2(C15 H22 N6 O5 S) FORMUL 7 HOH *206(H2 O) HELIX 1 A LEU A 30 VAL A 45 1 16 HELIX 2 B ASN A 53 THR A 66 1 14 HELIX 3 C GLU A 86 GLU A 94 1 9 HELIX 4 A' LEU B 30 VAL B 45 1 16 HELIX 5 B' ASN B 53 THR B 66 1 14 HELIX 6 C' GLU B 86 GLU B 94 1 9 SHEET 1 S1 2 LYS A 22 ILE A 28 0 SHEET 2 S1 2 LYS B 22 ILE B 28 -1 N LYS B 22 O ILE A 28 LINK NE2 HIS A 14 MG MG A 106 1555 1555 1.68 LINK OE2 GLU A 19 MG MG A 106 1555 1555 1.91 LINK OE2 GLU A 103 MG MG A 106 6556 1555 2.22 LINK O TYR A 104 MG MG A 106 1555 1555 2.56 LINK OXT TYR A 104 MG MG A 106 1555 1555 1.68 LINK NE2 HIS B 14 MG MG B 106 1555 1555 2.08 LINK OE2 GLU B 19 MG MG B 106 1555 1555 2.00 LINK OE1 GLU B 103 MG MG B 106 6555 1555 2.42 LINK OE2 GLU B 103 MG MG B 106 6555 1555 2.95 LINK O TYR B 104 MG MG B 106 1555 1555 1.61 LINK OXT TYR B 104 MG MG B 106 1555 1555 2.69 SITE 1 AC1 4 HIS A 14 GLU A 19 GLU A 103 TYR A 104 SITE 1 AC2 4 HIS B 14 GLU B 19 GLU B 103 TYR B 104 SITE 1 AC3 14 PHE A 61 HIS A 63 ALA A 64 PHE A 65 SITE 2 AC3 14 HOH A 121 HOH A 134 HOH A 166 HOH A 214 SITE 3 AC3 14 GLU B 39 ARG B 43 LEU B 56 GLU B 59 SITE 4 AC3 14 HIS B 63 PRO B 71 SITE 1 AC4 14 GLU A 39 ARG A 43 LEU A 56 GLU A 59 SITE 2 AC4 14 ALA A 60 HIS A 63 PRO A 71 PHE B 61 SITE 3 AC4 14 HIS B 63 ALA B 64 PHE B 65 HOH B 145 SITE 4 AC4 14 HOH B 160 HOH B 162 CRYST1 75.070 75.070 81.800 90.00 90.00 120.00 P 32 2 1 12 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 0.013321 0.007691 0.000000 0.00000 SCALE2 0.000000 0.015382 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012225 0.00000