PDB Short entry for 1GQC HEADER TRANSFERASE 21-NOV-01 1GQC TITLE THE STRUCTURE OF CMP:2-KETO-3-DEOXY-MANNO-OCTONIC ACID TITLE 2 SYNTHETASE COMPLEXED WITH CMP-KDO 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 COMPND 5 ACID 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, KEYWDS 2 NUCLEOSIDE MONOPHOSPHATE GLYCOSIDES, LIPOPOLYSACCHARIDE KEYWDS 3 BIOSYNTHESIS, SUGAR-ACTIVATING ENZYMES EXPDTA X-RAY DIFFRACTION AUTHOR S.JELAKOVIC,G.E.SCHULZ REVDAT 2 24-FEB-09 1GQC 1 VERSN REVDAT 1 11-FEB-02 1GQC 0 JRNL AUTH S.JELAKOVIC,G.E.SCHULZ JRNL TITL CATALYTIC MECHANISM OF JRNL TITL 2 CMP:2-KETO-3-DEOXY-MANNO-OCTONIC ACID SYNTHETASE JRNL TITL 3 AS DERIVED FROM COMPLEXES WITH REACTION EDUCT AND JRNL TITL 4 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 REMARK 1 TITL 2 ACID SYNTHETASE AND OF ITS COMPLEXES WITH REMARK 1 TITL 3 SUBSTRATES AND 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 REMARK 1 TITL 2 CAPSULE-SPECIFIC CMP:2-KETO-3-DEOXY-MANNO-OCTONIC REMARK 1 TITL 3 ACID SYNTHETASE FROM 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. 2.6 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) : 2.6 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.44 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.0 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.4 REMARK 3 NUMBER OF REFLECTIONS : 15151 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) : 0.178 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.9 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 : 3745 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 59 REMARK 3 SOLVENT ATOMS : 267 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.4 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 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1GQC COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 23-NOV-01. REMARK 100 THE PDBE ID CODE IS EBI-8677. 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 : 15622 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 33.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.0 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : 0.11500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.0000 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: 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 (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 65.49800 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 GENERATING THE BIOMOLECULE 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 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 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 SER A 13 117.12 -170.48 REMARK 500 LEU A 16 73.00 -119.64 REMARK 500 PRO A 118 -9.14 -58.44 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): 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 A1243 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A2109 O REMARK 620 2 ASP A 98 OD2 110.7 REMARK 620 3 CMK A1244 O1A 87.0 73.7 REMARK 620 4 ASP A 98 OD1 131.1 46.8 115.3 REMARK 620 5 HOH A2115 O 72.1 177.1 106.0 132.0 REMARK 620 6 GLN A 96 OE1 148.5 95.0 82.9 79.8 82.1 REMARK 620 N 1 2 3 4 5 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 225 OD2 REMARK 620 2 HOH B2148 O 76.9 REMARK 620 3 ASP B 98 OD2 113.9 100.8 REMARK 620 4 C5P B1243 O2P 126.7 156.4 70.2 REMARK 620 N 1 2 3 REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A1243 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 CMK A1244 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C5P B1243 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1COZ RELATED DB: PDB REMARK 900 CTP:GLYCEROL-3-PHOSPHATE CYTIDYLYLTRANSFERASE REMARK 900 FROM BACILLUS SUBTILIS REMARK 900 RELATED ID: 1PEH RELATED DB: PDB REMARK 900 NMR STRUCTURE OF THE MEMBRANE-BINDING DOMAIN OF CTP REMARK 900 PHOSPHOCHOLINE CYTIDYLYLTRANSFERASE, 10 STRUCTURES REMARK 900 RELATED ID: 1PEI RELATED DB: PDB REMARK 900 NMR STRUCTURE OF THE MEMBRANE-BINDING DOMAIN OF CTP REMARK 900 PHOSPHOCHOLINE CYTIDYLYLTRANSFERASE, 10 STRUCTURES REMARK 900 RELATED ID: 1GQ9 RELATED DB: PDB REMARK 900 THE STRUCTURE OF CMP:2-KETO-3-DEOXY-MANNO-OCTONIC ACID REMARK 900 SYNTHETASE COMPLEXED WITH CTP AT 100K DBREF 1GQC A 1 245 UNP P42216 KSU5_ECOLI 1 245 DBREF 1GQC 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 A1243 1 HET MG B1242 1 HET CMK A1244 36 HET C5P B1243 21 HETNAM MG MAGNESIUM ION HETNAM CMK CYTIDINE 5'-MONOPHOSPHATE 3-DEOXY-BETA-D- HETNAM 2 CMK GULO-OCT-2-ULO-PYRANOSONIC ACID HETNAM C5P CYTIDINE-5'-MONOPHOSPHATE FORMUL 3 MG 2(MG 2+) FORMUL 5 CMK C17 H26 N3 O15 P FORMUL 6 C5P C9 H14 N3 O8 P FORMUL 7 HOH *267(H2 O1) HELIX 1 1 GLY A 18 LEU A 22 5 5 HELIX 2 2 PRO A 28 GLN A 39 1 12 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 ALA A 132 GLU A 136 5 5 HELIX 7 7 ASN A 163 ALA A 167 5 5 HELIX 8 8 ARG A 180 ASN A 185 1 6 HELIX 9 9 SER A 192 SER A 199 1 8 HELIX 10 10 GLN A 202 ALA A 208 1 7 HELIX 11 11 THR A 226 ALA A 242 1 17 HELIX 12 12 GLY B 18 LEU B 21 5 4 HELIX 13 13 MET B 29 GLN B 39 1 11 HELIX 14 14 ASP B 52 PHE B 62 1 11 HELIX 15 15 SER B 75 VAL B 87 1 13 HELIX 16 16 ARG B 103 ASP B 117 1 15 HELIX 17 17 SER B 130 ALA B 135 1 6 HELIX 18 18 ASN B 163 ALA B 167 5 5 HELIX 19 19 ARG B 180 TYR B 186 1 7 HELIX 20 20 SER B 187 LEU B 189 5 3 HELIX 21 21 SER B 192 SER B 199 1 8 HELIX 22 22 GLN B 202 ALA B 208 1 7 HELIX 23 23 THR B 226 GLU B 240 1 15 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 PRO A 8 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 7 LYS A 65 MET A 68 0 SHEET 2 AB 7 GLU A 45 THR A 50 1 O VAL A 46 N LYS A 65 SHEET 3 AB 7 ALA A 3 PRO A 8 1 O ILE A 5 N TRP A 47 SHEET 4 AB 7 ILE A 91 ASN A 94 1 O ILE A 91 N VAL A 4 SHEET 5 AB 7 TYR A 169 ARG A 179 -1 O TYR A 176 N ASN A 94 SHEET 6 AB 7 LYS A 141 VAL A 144 -1 O VAL A 142 N LEU A 170 SHEET 7 AB 7 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 PRO B 8 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 MG MG A1243 O HOH A2109 1555 1555 2.30 LINK MG MG A1243 OD2 ASP A 98 1555 1555 2.84 LINK MG MG A1243 O1A CMK A1244 1555 1555 2.48 LINK MG MG A1243 OD1 ASP A 98 1555 1555 2.64 LINK MG MG A1243 O HOH A2115 1555 1555 2.56 LINK MG MG A1243 OE1 GLN A 96 1555 1555 2.58 LINK MG MG B1242 O HOH B2148 1555 1555 2.30 LINK MG MG B1242 OD2 ASP B 98 1555 1555 2.69 LINK MG MG B1242 O2P C5P B1243 1555 1555 2.17 LINK MG MG B1242 OD2 ASP B 225 1555 1555 2.64 CISPEP 1 ILE A 158 PRO A 159 0 0.32 CISPEP 2 ILE B 158 PRO B 159 0 0.30 SITE 1 AC1 6 GLN A 96 ASP A 98 GLU A 99 CMK A1244 SITE 2 AC1 6 HOH A2109 HOH A2115 SITE 1 AC2 4 ASP B 98 ASP B 225 C5P B1243 HOH B2148 SITE 1 AC3 21 PRO A 8 ARG A 10 HIS A 73 GLU A 74 SITE 2 AC3 21 GLY A 76 ARG A 79 GLN A 96 GLY A 97 SITE 3 AC3 21 ASP A 98 VAL A 140 ARG A 155 HIS A 172 SITE 4 AC3 21 GLY A 174 TYR A 176 LEU A 200 GLU A 201 SITE 5 AC3 21 GLN A 202 MG A1243 HOH A2111 HOH A2112 SITE 6 AC3 21 HOH A2113 SITE 1 AC4 13 PRO B 8 ALA B 9 ARG B 10 LYS B 19 SITE 2 AC4 13 HIS B 73 GLU B 74 SER B 75 GLY B 76 SITE 3 AC4 13 ARG B 79 GLN B 96 GLY B 97 ASP B 98 SITE 4 AC4 13 MG B1242 CRYST1 45.944 130.996 48.148 90.00 102.31 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 0.021766 0.000000 0.004750 0.00000 SCALE2 0.000000 0.007634 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021258 0.00000 MTRIX1 1 -0.081444 0.885712 -0.457036 0.02700 1 MTRIX2 1 0.836788 -0.188342 -0.514113 89.54900 1 MTRIX3 1 -0.541435 -0.424314 -0.725814 153.56700 1