HEADER TRANSFERASE 03-MAR-06 2G8X TITLE ESCHERICHIA COLI Y209W APOPROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: TS, TSASE; COMPND 5 EC: 2.1.1.45; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: THYA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: CHI2913RECA; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS BETA SHEET, ALPHA/BETA PROTEIN, DTT, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR T.T.LEE,J.S.FINER-MOORE,R.M.STROUD REVDAT 5 30-AUG-23 2G8X 1 REMARK REVDAT 4 20-OCT-21 2G8X 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 2G8X 1 VERSN REVDAT 2 24-FEB-09 2G8X 1 VERSN REVDAT 1 14-MAR-06 2G8X 0 JRNL AUTH Z.NEWBY,T.T.LEE,R.J.MORSE,L.LIU,Y.LIU,P.VENKATRAMAN, JRNL AUTH 2 D.V.SANTI,J.S.FINER-MOORE,R.M.STROUD JRNL TITL THE ROLE OF PROTEIN DYNAMICS IN THYMIDYLATE SYNTHASE JRNL TITL 2 CATALYSIS: VARIANTS OF CONSERVED DUMP-BINDING TYR-261 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.83 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.83 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.70 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2091436.200 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 41153 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) : 0.164 REMARK 3 FREE R VALUE : 0.202 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2076 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 1.83 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4773 REMARK 3 BIN R VALUE (WORKING SET) : 0.2250 REMARK 3 BIN FREE R VALUE : 0.3010 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 256 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4276 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 38 REMARK 3 SOLVENT ATOMS : 348 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.15000 REMARK 3 B22 (A**2) : -5.39000 REMARK 3 B33 (A**2) : 4.24000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 8.60000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.15 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) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.550 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) : 0.990 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.600 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.440 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.340 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.43 REMARK 3 BSOL : 57.54 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 : PARAM.PO4 REMARK 3 PARAMETER FILE 4 : CARBONATE.PARAM REMARK 3 PARAMETER FILE 5 : DTT_ODT_GCL.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : CARBONATE.TOPO REMARK 3 TOPOLOGY FILE 4 : TOPO.FORMIC REMARK 3 TOPOLOGY FILE 5 : DTT_ODT_GCL.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HIS-51 AND CYS-146 IN CHAIN A ARE IN REMARK 3 TWO CONFORMATIONS IN THE CRYSTAL REMARK 4 REMARK 4 2G8X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAR-06. REMARK 100 THE DEPOSITION ID IS D_1000036836. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-01 REMARK 200 TEMPERATURE (KELVIN) : 173 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE 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 : 41273 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.830 REMARK 200 RESOLUTION RANGE LOW (A) : 30.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 7.300 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 28.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.83 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.45000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.200 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: PDB CODE 1TJS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 7.8MG/ML PROTEIN, 25MM KPO4, PH 7.5, REMARK 280 AND 5MM DTT EQUILIBRATED AGAINST A WELL BUFFER CONTAINING 28% REMARK 280 PEG 4K, 100 MM TRIS-CL, PH 8.9, 200MM SODIUM ACETATE AND 5MM DTT, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -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 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 33.30500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.84500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 33.30500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 39.84500 REMARK 290 SMTRY3 4 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 300 REMARK: CHAINS A AND B CONSTITUTE THE BIOLOGICAL HOMODIMER 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: 6360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -35.0 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 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 ALA A 263 REMARK 465 ILE A 264 REMARK 465 ALA B 263 REMARK 465 ILE B 264 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 ARG B 21 CG CD NE CZ NH1 NH2 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 OE2 GLU A 237 O HOH A 498 2.05 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 143 CA - CB - CG ANGL. DEV. = 14.7 DEGREES REMARK 500 ARG A 222 NE - CZ - NH1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 222 NE - CZ - NH2 ANGL. DEV. = -4.7 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 -67.85 -27.05 REMARK 500 ALA A 100 53.89 -156.12 REMARK 500 ASP A 122 56.72 -148.23 REMARK 500 TYR B 94 -72.57 -16.05 REMARK 500 ALA B 100 51.72 -158.77 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 CO3 A 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 B 804 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 B 805 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 565 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 567 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTT A 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTT B 801 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2G8M RELATED DB: PDB REMARK 900 E. COLI Y209W IN COMPLEX WITH DUMP AND CB3717 REMARK 900 RELATED ID: 2G86 RELATED DB: PDB REMARK 900 L. CASEI THYMIDYLATE SYNTHASE Y261F-DUMP REMARK 900 RELATED ID: 2G8A RELATED DB: PDB REMARK 900 L. CASEI THYMIDYLATE SYNTHASE Y261M-DUMP REMARK 900 RELATED ID: 2G89 RELATED DB: PDB REMARK 900 L. CASEI THYMIDYLATE SYNTHASE Y261A-DUMP REMARK 900 RELATED ID: 2G8D RELATED DB: PDB REMARK 900 L. CASEI THYMIDYLATE SYNTHASE Y261W-DUMP REMARK 900 RELATED ID: 2G8O RELATED DB: PDB REMARK 900 E. COLI IN COMPLEX WITH DUMP AND CB3717 DBREF 2G8X A 1 264 UNP P0A884 TYSY_ECOLI 1 264 DBREF 2G8X B 1 264 UNP P0A884 TYSY_ECOLI 1 264 SEQADV 2G8X CXM A 1 UNP P0A884 MET 1 MODIFIED RESIDUE SEQADV 2G8X TRP A 209 UNP P0A884 TYR 209 ENGINEERED MUTATION SEQADV 2G8X CXM B 1 UNP P0A884 MET 1 MODIFIED RESIDUE SEQADV 2G8X TRP B 209 UNP P0A884 TYR 209 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 TRP 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 SEQRES 1 B 264 CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP SEQRES 2 B 264 GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR SEQRES 3 B 264 LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN SEQRES 4 B 264 ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU SEQRES 5 B 264 ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY SEQRES 6 B 264 ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR SEQRES 7 B 264 ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY SEQRES 8 B 264 PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO SEQRES 9 B 264 ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN SEQRES 10 B 264 GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL SEQRES 11 B 264 SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU SEQRES 12 B 264 ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP SEQRES 13 B 264 GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP SEQRES 14 B 264 VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA SEQRES 15 B 264 LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU SEQRES 16 B 264 VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU SEQRES 17 B 264 TRP SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER SEQRES 18 B 264 ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG SEQRES 19 B 264 LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE SEQRES 20 B 264 GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA SEQRES 21 B 264 PRO VAL ALA ILE MODRES 2G8X CXM A 1 MET N-CARBOXYMETHIONINE MODRES 2G8X CXM B 1 MET N-CARBOXYMETHIONINE HET CXM A 1 11 HET CXM B 1 11 HET CO3 A 803 4 HET PO4 A 565 5 HET DTT A 800 8 HET CO3 B 804 4 HET CO3 B 805 4 HET PO4 B 567 5 HET DTT B 801 8 HETNAM CXM N-CARBOXYMETHIONINE HETNAM CO3 CARBONATE ION HETNAM PO4 PHOSPHATE ION HETNAM DTT 2,3-DIHYDROXY-1,4-DITHIOBUTANE HETSYN DTT 1,4-DITHIOTHREITOL FORMUL 1 CXM 2(C6 H11 N O4 S) FORMUL 3 CO3 3(C O3 2-) FORMUL 4 PO4 2(O4 P 3-) FORMUL 5 DTT 2(C4 H10 O2 S2) FORMUL 10 HOH *348(H2 O) HELIX 1 1 CXM A 1 GLY A 15 1 15 HELIX 2 2 LEU A 52 GLY A 65 1 14 HELIX 3 3 ILE A 69 ASN A 75 1 7 HELIX 4 4 VAL A 93 ALA A 100 1 8 HELIX 5 5 ASP A 110 ASP A 122 1 13 HELIX 6 6 ASN A 134 MET A 141 5 8 HELIX 7 7 LEU A 172 CYS A 192 1 21 HELIX 8 8 HIS A 212 SER A 221 1 10 HELIX 9 9 ARG A 243 GLU A 245 5 3 HELIX 10 10 CXM B 1 GLY B 15 1 15 HELIX 11 11 HIS B 51 GLY B 65 1 15 HELIX 12 12 ILE B 69 ASN B 75 1 7 HELIX 13 13 VAL B 93 ALA B 100 1 8 HELIX 14 14 ASP B 110 ASP B 122 1 13 HELIX 15 15 ASN B 134 MET B 141 5 8 HELIX 16 16 LEU B 172 CYS B 192 1 21 HELIX 17 17 HIS B 212 SER B 221 1 10 HELIX 18 18 ARG B 243 GLU B 245 5 3 SHEET 1 A 6 THR A 16 LYS A 18 0 SHEET 2 A 6 THR A 26 ASN A 37 -1 O SER A 28 N THR A 16 SHEET 3 A 6 GLU A 195 TRP A 209 -1 O PHE A 199 N PHE A 36 SHEET 4 A 6 LYS A 158 ASP A 169 1 N GLN A 165 O THR A 202 SHEET 5 A 6 HIS A 147 ALA A 155 -1 N TYR A 153 O SER A 160 SHEET 6 A 6 ILE A 128 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 O ILE A 109 N 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 SHEET 1 D 6 THR B 16 LYS B 18 0 SHEET 2 D 6 THR B 26 ASN B 37 -1 O THR B 26 N LYS B 18 SHEET 3 D 6 GLU B 195 TRP B 209 -1 O PHE B 199 N PHE B 36 SHEET 4 D 6 LYS B 158 ASP B 169 1 N GLN B 165 O THR B 202 SHEET 5 D 6 HIS B 147 ALA B 155 -1 N TYR B 153 O SER B 160 SHEET 6 D 6 ILE B 129 SER B 131 -1 N VAL B 130 O PHE B 150 SHEET 1 E 2 TRP B 101 PRO B 102 0 SHEET 2 E 2 HIS B 108 ILE B 109 -1 O ILE B 109 N TRP B 101 SHEET 1 F 2 LYS B 229 ILE B 232 0 SHEET 2 F 2 PHE B 247 GLU B 250 -1 O GLU B 248 N ILE B 231 LINK C CXM A 1 N LYS A 2 1555 1555 1.32 LINK C CXM B 1 N LYS B 2 1555 1555 1.33 SITE 1 AC1 5 CYS A 50 HIS A 51 HOH A 317 HOH A 517 SITE 2 AC1 5 HOH A 655 SITE 1 AC2 4 CYS B 50 HIS B 51 HOH B 340 HOH B 532 SITE 1 AC3 8 TRP A 101 PRO A 102 PRO A 104 HOH A 291 SITE 2 AC3 8 TRP B 101 PRO B 102 ASN B 134 GLY B 136 SITE 1 AC4 5 ARG A 21 ARG A 166 SER A 167 HOH A 608 SITE 2 AC4 5 ARG B 126 SITE 1 AC5 5 ARG A 126 ARG B 166 SER B 167 HOH B 296 SITE 2 AC5 5 HOH B 512 SITE 1 AC6 7 GLU A 58 ILE A 79 TRP A 80 PHE A 176 SITE 2 AC6 7 HOH A 615 HOH A 642 HOH A 661 SITE 1 AC7 4 GLU B 58 ILE B 79 TRP B 80 HOH B 697 CRYST1 66.610 79.690 92.240 90.00 103.86 90.00 C 1 2 1 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 0.015013 0.000000 0.003704 0.00000 SCALE2 0.000000 0.012549 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011166 0.00000 HETATM 1 N CXM A 1 11.572 -9.469 46.695 1.00 19.23 N HETATM 2 CA CXM A 1 12.712 -10.324 46.254 1.00 20.21 C HETATM 3 CB CXM A 1 12.400 -11.096 44.934 1.00 20.72 C HETATM 4 CG CXM A 1 11.214 -12.023 44.999 1.00 23.49 C HETATM 5 SD CXM A 1 10.837 -12.696 43.356 1.00 23.37 S HETATM 6 CE CXM A 1 10.008 -11.363 42.496 1.00 21.58 C HETATM 7 C CXM A 1 13.897 -9.451 45.968 1.00 19.96 C HETATM 8 O CXM A 1 13.755 -8.281 45.612 1.00 19.97 O HETATM 9 CN CXM A 1 10.696 -9.849 47.617 1.00 19.09 C HETATM 10 ON1 CXM A 1 9.776 -9.017 47.833 1.00 18.77 O HETATM 11 ON2 CXM A 1 10.561 -11.057 47.923 1.00 19.07 O