Organism
Thermococcus kodakarensis (strain ATCC BAA-918 / JCM 12380 / KOD1)
Function
Involved in nucleoside degradation. Phosphorylates cytidine to CMP. Can also act on deoxycytidine and uridine, but is most active with cytidine. ATP is the most preferred phosphate donor, but it can also use GTP, CTP or UTP.
Similarity
Belongs to the carbohydrate kinase PfkB family.
Sequence
MLDLVVIGHVSIDTLIFPDGRRVTMPGGAAAGVATSAALAGAKVGLVTKIGTDFPKEWLQALSSVLDISGVQILPGKTIHIQMIYHEDGSVDAPVEMGVAQKMGEIPIPEEYLDAKVFHISPIPPEEQLKLLNRLKGKRVTVDFNPTYKEEYIKRRDLLREIVSRVEIVFPNEREALMITGAEDVKDAARILHGWGAKLVVITRGEKGVLVYDGSFREFPALPIKPEEIVDPTGGGDAFAGGFLAGYSRGRPLEECVRLGLERAREVLKKWGDWSITV