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5TKV

X-RAY CRYSTAL STRUCTURE OF THE "CLOSED" CONFORMATION OF CTP-INHIBITED E. COLI CYTIDINE TRIPHOSPHATE (CTP) SYNTHETASE

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, BCTP synthasepolymer56562586.32UniProt (P0A7E5)
Pfam (PF06418)
Pfam (PF00117)
Pfam (PF07722)
In PDB
Escherichia coli (strain K12)Cytidine 5'-triphosphate synthase,Cytidine triphosphate synthetase,CTPS,UTP--ammonia ligase
2A, BGLUTAMINEnon-polymer146.12Chemie (GLN)
3A, BSULFATE IONnon-polymer96.18Chemie (SO4)
4A, B(4S)-2-METHYL-2,4-PENTANEDIOLnon-polymer118.22Chemie (MPD)
5A, BMAGNESIUM IONnon-polymer24.32Chemie (MG)
6BCYTIDINE-5'-TRIPHOSPHATEnon-polymer483.22Chemie (CTP)
7B(4R)-2-METHYLPENTANE-2,4-DIOLnon-polymer118.22Chemie (MRD)
8waterwater18.0370Chemie (HOH)
Sequence modifications
A, B: 1 - 545 (UniProt: P0A7E5)
PDBExternal DatabaseDetails
Met -19-initiating methionine
Gly -18-expression tag
Ser -17-expression tag
Ser -16-expression tag
His -15-expression tag
His -14-expression tag
His -13-expression tag
His -12-expression tag
His -11-expression tag
His -10-expression tag
Ser -9-expression tag
Ser -8-expression tag
Gly -7-expression tag
Leu -6-expression tag
Val -5-expression tag
Pro -4-expression tag
Arg -3-expression tag
Gly -2-expression tag
Ser -1-expression tag
His 0-expression tag
Ala 268Cys 268conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight125172.6
Non-Polymers*Number of molecules18
Total formula weight2548.4
All*Total formula weight127721.0
*Water molecules are not included.

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数据于2024-09-18公开中

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