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Cytidine monophosphate kinase or cytidylate kinase (CMK) catalyzes the reversible conversion of CMP and ATP to CDP and ADP. [1]
Relevance
CMK from bacterial pathogens is a target for new antibiotics development.
Structural highlights
CMK active site is highly sugar-specific.[2] Water molecules are shown as red spheres.
- ↑ Briozzo P, Golinelli-Pimpaneau B, Gilles AM, Gaucher JF, Burlacu-Miron S, Sakamoto H, Janin J, Barzu O. Structures of escherichia coli CMP kinase alone and in complex with CDP: a new fold of the nucleoside monophosphate binding domain and insights into cytosine nucleotide specificity. Structure. 1998 Dec 15;6(12):1517-27. PMID:9862805
- ↑ Bertrand T, Briozzo P, Assairi L, Ofiteru A, Bucurenci N, Munier-Lehmann H, Golinelli-Pimpaneau B, Barzu O, Gilles AM. Sugar specificity of bacterial CMP kinases as revealed by crystal structures and mutagenesis of Escherichia coli enzyme. J Mol Biol. 2002 Feb 1;315(5):1099-110. PMID:11827479 doi:10.1006/jmbi.2001.5286
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3D structures of cytidine monophosphate kinase
(Updated on 16-June-2021)
{"openlevels":0}
- CMK
- 1tev – CMK – human
- 1cke – EcCMK – Escherichia coli
- 2fem – EcCMK (mutant)
- 1q3t – CMK – Streptococcus pneumoniae
- 3r8c – MaCMK – Mycobacterium abscessus
- 3r20 – CMK – Mycobacterium smegmatis
- 4e22 – CMK – Yersinia pseudotuberculosis
- 3w90 – TtCMK – Thermus thermophilus
- CMK complex with ligand
- 2cmk – EcCMK + CDP
- 3akd – TtCMK + CDP
- 7ckj, 3w8n – TtCMK + CMP
- 4die – MaCMK + CMP
- 1kdo – EcCMK + CMP
- 1kdp – EcCMK + dCMP
- 2feo – EcCMK (mutant) + dCMP
- 1kdr – EcCMK + ara-CMP
- 1kdt – EcCMK + ddCMP
- 2h92 – CMK + CMP – Staphylococcus aureus
- 7ckj – TtCMK + CMP
- 3akc – TtCMK + CDP + ADP
- 7l4a – CMK + CDP – Encephalitozoon cuniculi
References
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