HEADER TRANSFERASE 21-NOV-01 1GQ9 TITLE THE STRUCTURE OF CMP:2-KETO-3-DEOXY-MANNO-OCTONIC ACID SYNTHETASE TITLE 2 COMPLEXED WITH CTP AT 100K COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3-DEOXY-MANNO-OCTULOSONATE CYTIDYLYLTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CMP-KDO SYNTHETASE, CMP-2-KETO-3-DEOXYOCTULOSONIC ACID COMPND 5 SYNTHETASE, CKS; COMPND 6 EC: 2.7.7.38; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: K5; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSFERASE, NUCLEOTIDYLTRANSFERASE, CMP-KDO SYNTHETASE, NUCLEOSIDE KEYWDS 2 MONOPHOSPHATE GLYCOSIDES, LIPOPOLYSACCHARIDE BIOSYNTHESIS, SUGAR- KEYWDS 3 ACTIVATING ENZYMES EXPDTA X-RAY DIFFRACTION AUTHOR S.JELAKOVIC,G.E.SCHULZ REVDAT 3 08-MAY-24 1GQ9 1 LINK REVDAT 2 24-FEB-09 1GQ9 1 VERSN REVDAT 1 11-FEB-02 1GQ9 0 JRNL AUTH S.JELAKOVIC,G.E.SCHULZ JRNL TITL CATALYTIC MECHANISM OF CMP:2-KETO-3-DEOXY-MANNO-OCTONIC ACID JRNL TITL 2 SYNTHETASE AS DERIVED FROM COMPLEXES WITH REACTION EDUCT AND JRNL TITL 3 PRODUCT. JRNL REF BIOCHEMISTRY V. 41 1174 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 11802716 JRNL DOI 10.1021/BI0119060 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.JELAKOVIC,G.E.SCHULZ REMARK 1 TITL THE STRUCTURE OF CMP:2-KETO-3-DEOXY-MANNO-OCTONIC ACID REMARK 1 TITL 2 SYNTHETASE AND OF ITS COMPLEXES WITH SUBSTRATES AND REMARK 1 TITL 3 SUBSTRATE ANALOGS REMARK 1 REF J.MOL.BIOL. V. 312 143 2001 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 11545592 REMARK 1 DOI 10.1006/JMBI.2001.4948 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.JELAKOVIC,K.JANN,G.E.SCHULZ REMARK 1 TITL THE THREE-DIMENSIONAL STRUCTURE OF CAPSULE-SPECIFIC REMARK 1 TITL 2 CMP:2-KETO-3-DEOXY-MANNO-OCTONIC ACID SYNTHETASE FROM REMARK 1 TITL 3 ESCHERICHIA COLI REMARK 1 REF FEBS LETT. V. 391 157 1996 REMARK 1 REFN ISSN 0014-5793 REMARK 1 PMID 8706906 REMARK 1 DOI 10.1016/0014-5793(96)00724-7 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.5 REMARK 3 NUMBER OF REFLECTIONS : 14811 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) : 0.233 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 3740 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 60 REMARK 3 SOLVENT ATOMS : 190 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 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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: NULL REMARK 4 REMARK 4 1GQ9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-NOV-01. REMARK 100 THE DEPOSITION ID IS D_1290008676. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 9.40 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL 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 : 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 : 14812 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 29.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.0 REMARK 200 DATA REDUNDANCY : 1.800 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.9000 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER 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 (%): 52.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 9.40 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 66.17450 REMARK 290 SMTRY3 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS 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 242 REMARK 465 GLU A 243 REMARK 465 ASN A 244 REMARK 465 ALA A 245 REMARK 465 ALA B 242 REMARK 465 GLU B 243 REMARK 465 ASN B 244 REMARK 465 ALA B 245 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 15 -95.34 -67.63 REMARK 500 VAL A 25 81.79 40.32 REMARK 500 MET A 29 -55.20 -29.61 REMARK 500 HIS A 73 132.27 -35.20 REMARK 500 ARG A 162 -72.03 -57.37 REMARK 500 ALA A 164 -34.22 -34.29 REMARK 500 ASN A 185 42.45 -106.06 REMARK 500 PRO A 227 -6.65 -57.07 REMARK 500 SER B 13 124.10 -172.83 REMARK 500 LYS B 19 -56.09 -18.88 REMARK 500 PRO B 157 92.66 -55.86 REMARK 500 REMARK 500 REMARK: NULL 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 A1242 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 98 OD2 REMARK 620 2 ASP A 225 OD1 67.3 REMARK 620 3 CTP A1243 O2A 161.5 125.6 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B1242 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 98 OD2 REMARK 620 2 ASP B 225 OD1 98.8 REMARK 620 3 CTP B1243 O3A 102.1 157.6 REMARK 620 4 HOH B2101 O 127.6 89.1 84.5 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A1242 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B1242 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CTP A1243 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CTP B1243 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1COZ RELATED DB: PDB REMARK 900 CTP:GLYCEROL-3-PHOSPHATE CYTIDYLYLTRANSFERASE FROM BACILLUS SUBTILIS REMARK 900 RELATED ID: 1PEH RELATED DB: PDB REMARK 900 NMR STRUCTURE OF THE MEMBRANE-BINDING DOMAIN OF CTP PHOSPHOCHOLINE REMARK 900 CYTIDYLYLTRANSFERASE, 10 STRUCTURES REMARK 900 RELATED ID: 1PEI RELATED DB: PDB REMARK 900 NMR STRUCTURE OF THE MEMBRANE-BINDING DOMAIN OF CTP PHOSPHOCHOLINE REMARK 900 CYTIDYLYLTRANSFERASE, 10 STRUCTURES REMARK 900 RELATED ID: 1GQC RELATED DB: PDB REMARK 900 THE STRUCTURE OF CMP:2-KETO-3-DEOXY-MANNO-OCTONIC ACID SYNTHETASE REMARK 900 COMPLEXED WITH CMP-KDO AT 100K DBREF 1GQ9 A 1 245 UNP P42216 KSU5_ECOLI 1 245 DBREF 1GQ9 B 1 245 UNP P42216 KSU5_ECOLI 1 245 SEQRES 1 A 245 SER LYS ALA VAL ILE VAL ILE PRO ALA ARG TYR GLY SER SEQRES 2 A 245 SER ARG LEU PRO GLY LYS PRO LEU LEU ASP ILE VAL GLY SEQRES 3 A 245 LYS PRO MET ILE GLN HIS VAL TYR GLU ARG ALA LEU GLN SEQRES 4 A 245 VAL ALA GLY VAL ALA GLU VAL TRP VAL ALA THR ASP ASP SEQRES 5 A 245 PRO ARG VAL GLU GLN ALA VAL GLN ALA PHE GLY GLY LYS SEQRES 6 A 245 ALA ILE MET THR ARG ASN ASP HIS GLU SER GLY THR ASP SEQRES 7 A 245 ARG LEU VAL GLU VAL MET HIS LYS VAL GLU ALA ASP ILE SEQRES 8 A 245 TYR ILE ASN LEU GLN GLY ASP GLU PRO MET ILE ARG PRO SEQRES 9 A 245 ARG ASP VAL GLU THR LEU LEU GLN GLY MET ARG ASP ASP SEQRES 10 A 245 PRO ALA LEU PRO VAL ALA THR LEU CYS HIS ALA ILE SER SEQRES 11 A 245 ALA ALA GLU ALA ALA GLU PRO SER THR VAL LYS VAL VAL SEQRES 12 A 245 VAL ASN THR ARG GLN ASP ALA LEU TYR PHE SER ARG SER SEQRES 13 A 245 PRO ILE PRO TYR PRO ARG ASN ALA GLU LYS ALA ARG TYR SEQRES 14 A 245 LEU LYS HIS VAL GLY ILE TYR ALA TYR ARG ARG ASP VAL SEQRES 15 A 245 LEU GLN ASN TYR SER GLN LEU PRO GLU SER MET PRO GLU SEQRES 16 A 245 GLN ALA GLU SER LEU GLU GLN LEU ARG LEU MET ASN ALA SEQRES 17 A 245 GLY ILE ASN ILE ARG THR PHE GLU VAL ALA ALA THR GLY SEQRES 18 A 245 PRO GLY VAL ASP THR PRO ALA CYS LEU GLU LYS VAL ARG SEQRES 19 A 245 ALA LEU MET ALA GLN GLU LEU ALA GLU ASN ALA SEQRES 1 B 245 SER LYS ALA VAL ILE VAL ILE PRO ALA ARG TYR GLY SER SEQRES 2 B 245 SER ARG LEU PRO GLY LYS PRO LEU LEU ASP ILE VAL GLY SEQRES 3 B 245 LYS PRO MET ILE GLN HIS VAL TYR GLU ARG ALA LEU GLN SEQRES 4 B 245 VAL ALA GLY VAL ALA GLU VAL TRP VAL ALA THR ASP ASP SEQRES 5 B 245 PRO ARG VAL GLU GLN ALA VAL GLN ALA PHE GLY GLY LYS SEQRES 6 B 245 ALA ILE MET THR ARG ASN ASP HIS GLU SER GLY THR ASP SEQRES 7 B 245 ARG LEU VAL GLU VAL MET HIS LYS VAL GLU ALA ASP ILE SEQRES 8 B 245 TYR ILE ASN LEU GLN GLY ASP GLU PRO MET ILE ARG PRO SEQRES 9 B 245 ARG ASP VAL GLU THR LEU LEU GLN GLY MET ARG ASP ASP SEQRES 10 B 245 PRO ALA LEU PRO VAL ALA THR LEU CYS HIS ALA ILE SER SEQRES 11 B 245 ALA ALA GLU ALA ALA GLU PRO SER THR VAL LYS VAL VAL SEQRES 12 B 245 VAL ASN THR ARG GLN ASP ALA LEU TYR PHE SER ARG SER SEQRES 13 B 245 PRO ILE PRO TYR PRO ARG ASN ALA GLU LYS ALA ARG TYR SEQRES 14 B 245 LEU LYS HIS VAL GLY ILE TYR ALA TYR ARG ARG ASP VAL SEQRES 15 B 245 LEU GLN ASN TYR SER GLN LEU PRO GLU SER MET PRO GLU SEQRES 16 B 245 GLN ALA GLU SER LEU GLU GLN LEU ARG LEU MET ASN ALA SEQRES 17 B 245 GLY ILE ASN ILE ARG THR PHE GLU VAL ALA ALA THR GLY SEQRES 18 B 245 PRO GLY VAL ASP THR PRO ALA CYS LEU GLU LYS VAL ARG SEQRES 19 B 245 ALA LEU MET ALA GLN GLU LEU ALA GLU ASN ALA HET MG A1242 1 HET CTP A1243 29 HET MG B1242 1 HET CTP B1243 29 HETNAM MG MAGNESIUM ION HETNAM CTP CYTIDINE-5'-TRIPHOSPHATE FORMUL 3 MG 2(MG 2+) FORMUL 4 CTP 2(C9 H16 N3 O14 P3) FORMUL 7 HOH *190(H2 O) HELIX 1 1 GLY A 18 LEU A 21 5 4 HELIX 2 2 MET A 29 GLN A 39 1 11 HELIX 3 3 ASP A 52 PHE A 62 1 11 HELIX 4 4 SER A 75 HIS A 85 1 11 HELIX 5 5 ARG A 103 ASP A 117 1 15 HELIX 6 6 ASN A 163 ALA A 167 5 5 HELIX 7 7 ARG A 180 ASN A 185 1 6 HELIX 8 8 SER A 192 SER A 199 1 8 HELIX 9 9 GLN A 202 ALA A 208 1 7 HELIX 10 10 CYS A 229 LEU A 241 1 13 HELIX 11 11 GLY B 18 LEU B 21 5 4 HELIX 12 12 MET B 29 GLN B 39 1 11 HELIX 13 13 ASP B 52 PHE B 62 1 11 HELIX 14 14 SER B 75 VAL B 87 1 13 HELIX 15 15 ARG B 103 ASP B 117 1 15 HELIX 16 16 SER B 130 ALA B 135 1 6 HELIX 17 17 ASN B 163 ALA B 167 5 5 HELIX 18 18 ARG B 180 ASN B 185 1 6 HELIX 19 19 SER B 192 SER B 199 1 8 HELIX 20 20 GLN B 202 ASN B 207 1 6 HELIX 21 21 THR B 226 LEU B 241 1 16 SHEET 1 AA 7 LYS A 65 MET A 68 0 SHEET 2 AA 7 GLU A 45 THR A 50 1 O VAL A 46 N LYS A 65 SHEET 3 AA 7 ALA A 3 ALA A 9 1 O ILE A 5 N TRP A 47 SHEET 4 AA 7 ILE A 91 ASN A 94 1 O ILE A 91 N VAL A 4 SHEET 5 AA 7 TYR A 169 ARG A 179 -1 O TYR A 176 N ASN A 94 SHEET 6 AA 7 VAL A 122 ILE A 129 -1 O ALA A 123 N ALA A 177 SHEET 7 AA 7 ILE A 212 GLU A 216 1 O ARG A 213 N THR A 124 SHEET 1 AB 2 ASP A 23 ILE A 24 0 SHEET 2 AB 2 LYS A 27 PRO A 28 -1 O LYS A 27 N ILE A 24 SHEET 1 AC 2 LYS A 141 VAL A 144 0 SHEET 2 AC 2 ALA A 150 SER A 154 -1 N LEU A 151 O VAL A 143 SHEET 1 BA 7 ALA B 66 MET B 68 0 SHEET 2 BA 7 GLU B 45 THR B 50 1 O VAL B 48 N ILE B 67 SHEET 3 BA 7 ALA B 3 ALA B 9 1 O ILE B 5 N TRP B 47 SHEET 4 BA 7 ILE B 91 ASN B 94 1 O ILE B 91 N VAL B 4 SHEET 5 BA 7 TYR B 169 ARG B 179 -1 O TYR B 176 N ASN B 94 SHEET 6 BA 7 VAL B 122 ILE B 129 -1 O ALA B 123 N ALA B 177 SHEET 7 BA 7 ILE B 212 GLU B 216 1 O ARG B 213 N THR B 124 SHEET 1 BB 2 ASP B 23 ILE B 24 0 SHEET 2 BB 2 LYS B 27 PRO B 28 -1 O LYS B 27 N ILE B 24 SHEET 1 BC 2 LYS B 141 VAL B 144 0 SHEET 2 BC 2 ALA B 150 SER B 154 -1 N LEU B 151 O VAL B 143 LINK OD2 ASP A 98 MG MG A1242 1555 1555 2.55 LINK OD1 ASP A 225 MG MG A1242 1555 1555 2.74 LINK MG MG A1242 O2A CTP A1243 1555 1555 2.22 LINK OD2 ASP B 98 MG MG B1242 1555 1555 2.38 LINK OD1 ASP B 225 MG MG B1242 1555 1555 2.52 LINK MG MG B1242 O3A CTP B1243 1555 1555 2.17 LINK MG MG B1242 O HOH B2101 1555 1555 1.93 CISPEP 1 ILE A 158 PRO A 159 0 0.16 CISPEP 2 ILE B 158 PRO B 159 0 0.06 SITE 1 AC1 3 ASP A 98 ASP A 225 CTP A1243 SITE 1 AC2 5 LYS B 19 ASP B 98 ASP B 225 CTP B1243 SITE 2 AC2 5 HOH B2101 SITE 1 AC3 14 PRO A 8 ARG A 10 SER A 13 SER A 14 SITE 2 AC3 14 ARG A 15 LYS A 19 HIS A 73 ARG A 79 SITE 3 AC3 14 GLN A 96 GLY A 97 ASP A 98 ASP A 225 SITE 4 AC3 14 MG A1242 HOH A2084 SITE 1 AC4 19 PRO B 8 ALA B 9 ARG B 10 SER B 13 SITE 2 AC4 19 SER B 14 ARG B 15 LYS B 19 HIS B 73 SITE 3 AC4 19 GLU B 74 SER B 75 GLY B 76 ARG B 79 SITE 4 AC4 19 GLN B 96 GLY B 97 ASP B 98 MG B1242 SITE 5 AC4 19 HOH B2101 HOH B2103 HOH B2106 CRYST1 45.671 132.349 47.908 90.00 102.37 90.00 P 1 21 1 4 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 0.021896 0.000000 0.004802 0.00000 SCALE2 0.000000 0.007556 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021369 0.00000 MTRIX1 1 -0.038442 0.865847 -0.498829 0.16900 1 MTRIX2 1 0.854146 -0.230609 -0.466106 90.15900 1 MTRIX3 1 -0.518611 -0.443991 -0.730695 152.36700 1