HEADER TRANSFERASE 07-JUN-00 1F4B TITLE CRYSTAL STRUCTURE OF ESCHERICHIA COLI THYMIDYLATE SYNTHASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.1.1.45; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: C2913; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PTHYAWT KEYWDS E. COLI THYMIDYLATE SYNTHASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR D.A.ERLANSON,A.C.BRAISTED,D.R.RAPHAEL,M.RANDAL,R.M.STROUD,E.GORDON, AUTHOR 2 J.A.WELLS REVDAT 9 16-OCT-24 1F4B 1 REMARK REVDAT 8 03-NOV-21 1F4B 1 REMARK SEQADV LINK REVDAT 7 31-JAN-18 1F4B 1 REMARK REVDAT 6 04-OCT-17 1F4B 1 REMARK REVDAT 5 13-JUL-11 1F4B 1 VERSN REVDAT 4 24-FEB-09 1F4B 1 VERSN REVDAT 3 01-APR-03 1F4B 1 JRNL REVDAT 2 29-NOV-00 1F4B 1 JRNL REVDAT 1 22-JUN-00 1F4B 0 JRNL AUTH D.A.ERLANSON,A.C.BRAISTED,D.R.RAPHAEL,M.RANDAL,R.M.STROUD, JRNL AUTH 2 E.M.GORDON,J.A.WELLS JRNL TITL SITE-DIRECTED LIGAND DISCOVERY. JRNL REF PROC.NATL.ACAD.SCI.USA V. 97 9367 2000 JRNL REFN ISSN 0027-8424 JRNL PMID 10944209 JRNL DOI 10.1073/PNAS.97.17.9367 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 36586 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) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1838 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2153 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 262 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 31.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.15 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.110 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.120 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.089 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.840 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.010 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.029 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.037 ; 0.050 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) : 0.109 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.178 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.242 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.155 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : 0.155 ; 0.300 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : 0.000 ; 15.000 REMARK 3 PLANAR (DEGREES) : 3.700 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 15.300; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 29.900; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.300 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.950 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.720 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.730 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1F4B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUN-00. REMARK 100 THE DEPOSITION ID IS D_1000011225. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-DEC-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH3R 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 : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36586 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 20.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.33800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH 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 (%): 60.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0 M AMMONIUM SULPHATE, 20 MM REMARK 280 POTASSIUM PHOSPHATE, 0.2 M EDTA, PH 7.0, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 21 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 5555 Z,X,Y REMARK 290 6555 Z+1/2,-X+1/2,-Y REMARK 290 7555 -Z+1/2,-X,Y+1/2 REMARK 290 8555 -Z,X+1/2,-Y+1/2 REMARK 290 9555 Y,Z,X REMARK 290 10555 -Y,Z+1/2,-X+1/2 REMARK 290 11555 Y+1/2,-Z+1/2,-X REMARK 290 12555 -Y+1/2,-Z,X+1/2 REMARK 290 13555 X+1/2,Y+1/2,Z+1/2 REMARK 290 14555 -X,-Y+1/2,Z REMARK 290 15555 -X+1/2,Y,-Z REMARK 290 16555 X,-Y,-Z+1/2 REMARK 290 17555 Z+1/2,X+1/2,Y+1/2 REMARK 290 18555 Z,-X,-Y+1/2 REMARK 290 19555 -Z,-X+1/2,Y REMARK 290 20555 -Z+1/2,X,-Y REMARK 290 21555 Y+1/2,Z+1/2,X+1/2 REMARK 290 22555 -Y+1/2,Z,-X REMARK 290 23555 Y,-Z,-X+1/2 REMARK 290 24555 -Y,-Z+1/2,X 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 65.58500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 65.58500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 65.58500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 65.58500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 65.58500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 6 0.000000 0.000000 1.000000 65.58500 REMARK 290 SMTRY2 6 -1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY3 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 0.000000 -1.000000 65.58500 REMARK 290 SMTRY2 7 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 1.000000 0.000000 65.58500 REMARK 290 SMTRY1 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 8 1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY3 8 0.000000 -1.000000 0.000000 65.58500 REMARK 290 SMTRY1 9 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 9 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 9 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 0.000000 1.000000 65.58500 REMARK 290 SMTRY3 10 -1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY1 11 0.000000 1.000000 0.000000 65.58500 REMARK 290 SMTRY2 11 0.000000 0.000000 -1.000000 65.58500 REMARK 290 SMTRY3 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 12 0.000000 -1.000000 0.000000 65.58500 REMARK 290 SMTRY2 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 12 1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 65.58500 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 65.58500 REMARK 290 SMTRY1 14 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 65.58500 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 15 -1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY2 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 16 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 65.58500 REMARK 290 SMTRY1 17 0.000000 0.000000 1.000000 65.58500 REMARK 290 SMTRY2 17 1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY3 17 0.000000 1.000000 0.000000 65.58500 REMARK 290 SMTRY1 18 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 18 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 18 0.000000 -1.000000 0.000000 65.58500 REMARK 290 SMTRY1 19 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 19 -1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY3 19 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 20 0.000000 0.000000 -1.000000 65.58500 REMARK 290 SMTRY2 20 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 20 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 21 0.000000 1.000000 0.000000 65.58500 REMARK 290 SMTRY2 21 0.000000 0.000000 1.000000 65.58500 REMARK 290 SMTRY3 21 1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY1 22 0.000000 -1.000000 0.000000 65.58500 REMARK 290 SMTRY2 22 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 22 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 23 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 23 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 23 -1.000000 0.000000 0.000000 65.58500 REMARK 290 SMTRY1 24 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 24 0.000000 0.000000 -1.000000 65.58500 REMARK 290 SMTRY3 24 1.000000 0.000000 0.000000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER CONSTRUCTED FROM CHAIN A REMARK 300 AND A SYMMETRY PARTNER GENERATED BY THE TWO-FOLD 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 6620 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21190 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -90.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 131.17000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 196.75500 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 306 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 309 LIES ON A SPECIAL POSITION. 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 NE2 GLN A 3 O ARG A 35 2.08 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 SER A 28 N - CA - CB ANGL. DEV. = -12.2 DEGREES REMARK 500 ARG A 35 NE - CZ - NH2 ANGL. DEV. = -4.5 DEGREES REMARK 500 ARG A 53 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 53 NE - CZ - NH2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ARG A 107 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 166 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 234 NE - CZ - NH2 ANGL. DEV. = -3.1 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 TYR A 94 -76.71 -14.05 REMARK 500 ALA A 100 48.07 -157.54 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 SO4 A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 305 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1F4C RELATED DB: PDB REMARK 900 1F4C CONTAINS THE SAME PROTEIN COVALENTLY MODIFIED AT C146 WITH N- REMARK 900 [TOSYL-D-PROLINYL]AMINO-ETHANETHIOL REMARK 900 RELATED ID: 1F4D RELATED DB: PDB REMARK 900 1F4D CONTAINS A MUTANT FORM OF THE SAME PROTEIN COVALENTLY MODIFIED REMARK 900 AT C143 WITH N-[TOSYL-D-PROLINYL]AMINO-ETHANETHIOL REMARK 900 RELATED ID: 1F4E RELATED DB: PDB REMARK 900 1F4E CONTAINS THE SAME PROTEIN COMPLEXED WITH TOSYL-D-PROLINE REMARK 900 RELATED ID: 1F4F RELATED DB: PDB REMARK 900 1F4F CONTAINS THE SAME PROTEIN COMPLEXED WITH SP-722 REMARK 900 RELATED ID: 1F4G RELATED DB: PDB REMARK 900 1F4G CONTAINS THE SAME PROTEIN COMPLEXED WITH SP-876 DBREF 1F4B A 1 264 UNP P0A884 TYSY_ECOLI 1 264 SEQADV 1F4B CXM A 1 UNP P0A884 MET 1 ENGINEERED MUTATION SEQRES 1 A 264 CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP SEQRES 2 A 264 GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR SEQRES 3 A 264 LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN SEQRES 4 A 264 ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU SEQRES 5 A 264 ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY SEQRES 6 A 264 ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR SEQRES 7 A 264 ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY SEQRES 8 A 264 PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO SEQRES 9 A 264 ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN SEQRES 10 A 264 GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL SEQRES 11 A 264 SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU SEQRES 12 A 264 ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP SEQRES 13 A 264 GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP SEQRES 14 A 264 VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA SEQRES 15 A 264 LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU SEQRES 16 A 264 VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU SEQRES 17 A 264 TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER SEQRES 18 A 264 ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG SEQRES 19 A 264 LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE SEQRES 20 A 264 GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA SEQRES 21 A 264 PRO VAL ALA ILE MODRES 1F4B CXM A 1 MET N-CARBOXYMETHIONINE HET CXM A 1 11 HET SO4 A 303 5 HET SO4 A 304 5 HET SO4 A 305 5 HET GOL A 301 6 HET GOL A 302 6 HETNAM CXM N-CARBOXYMETHIONINE HETNAM SO4 SULFATE ION HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 1 CXM C6 H11 N O4 S FORMUL 2 SO4 3(O4 S 2-) FORMUL 5 GOL 2(C3 H8 O3) FORMUL 7 HOH *262(H2 O) HELIX 1 1 LYS A 2 GLY A 15 1 14 HELIX 2 2 GLN A 39 GLY A 41 5 3 HELIX 3 3 LEU A 52 GLY A 65 1 14 HELIX 4 4 ILE A 69 ASN A 75 1 7 HELIX 5 5 TRP A 80 ALA A 84 5 5 HELIX 6 6 VAL A 93 ALA A 100 1 8 HELIX 7 7 ASP A 110 ASP A 122 1 13 HELIX 8 8 ASN A 134 MET A 141 5 8 HELIX 9 9 GLY A 173 CYS A 192 1 20 HELIX 10 10 HIS A 212 SER A 221 1 10 HELIX 11 11 ARG A 243 GLU A 245 5 3 SHEET 1 A 6 THR A 16 ASN A 19 0 SHEET 2 A 6 GLY A 25 ASN A 37 -1 O THR A 26 N LYS A 18 SHEET 3 A 6 GLU A 195 TYR A 209 -1 N PHE A 199 O PHE A 36 SHEET 4 A 6 LYS A 158 ASP A 169 1 O LEU A 159 N GLY A 197 SHEET 5 A 6 HIS A 147 ALA A 155 -1 N ALA A 148 O TYR A 164 SHEET 6 A 6 ILE A 129 SER A 131 -1 N VAL A 130 O PHE A 150 SHEET 1 B 2 TRP A 101 PRO A 102 0 SHEET 2 B 2 HIS A 108 ILE A 109 -1 N ILE A 109 O TRP A 101 SHEET 1 C 2 LYS A 229 ILE A 232 0 SHEET 2 C 2 PHE A 247 GLU A 250 -1 O GLU A 248 N ILE A 231 LINK C CXM A 1 N LYS A 2 1555 1555 1.33 SITE 1 AC1 7 HIS A 51 LEU A 52 ARG A 53 GOL A 302 SITE 2 AC1 7 HOH A 424 HOH A 494 HOH A 496 SITE 1 AC2 4 LEU A 218 ARG A 222 HOH A 533 HOH A 547 SITE 1 AC3 5 GLU A 223 ARG A 225 HIS A 255 HOH A 504 SITE 2 AC3 5 HOH A 514 SITE 1 AC4 5 ARG A 126 ARG A 166 SER A 167 HOH A 431 SITE 2 AC4 5 HOH A 510 SITE 1 AC5 7 ILE A 56 PHE A 244 PHE A 247 GLU A 248 SITE 2 AC5 7 ILE A 249 SO4 A 303 HOH A 312 CRYST1 131.170 131.170 131.170 90.00 90.00 90.00 I 21 3 24 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 0.007620 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007620 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007620 0.00000 HETATM 1 N CXM A 1 53.915 64.508 81.500 1.00 33.41 N HETATM 2 CA CXM A 1 54.260 65.629 82.226 1.00 34.55 C HETATM 3 CB CXM A 1 53.115 66.453 82.856 1.00 34.83 C HETATM 4 CG CXM A 1 52.239 67.194 81.877 1.00 34.97 C HETATM 5 SD CXM A 1 50.843 68.072 82.577 1.00 33.40 S HETATM 6 CE CXM A 1 49.690 66.723 82.875 1.00 33.85 C HETATM 7 C CXM A 1 55.060 65.135 83.444 1.00 34.18 C HETATM 8 O CXM A 1 54.770 64.022 83.949 1.00 34.54 O HETATM 9 CN CXM A 1 54.063 64.828 80.192 1.00 34.19 C HETATM 10 ON1 CXM A 1 53.561 63.900 79.577 1.00 32.90 O HETATM 11 ON2 CXM A 1 53.955 65.885 79.565 1.00 34.43 O