for references in articles please use BRENDA:EC2.7.7.15. Please wait a moment until all data is loaded. This message will disappear when all data is loaded. EC Tree 2 Transferases 2.7 Transferring phosphorus-containing groups 2.7.7 Nucleotidyltransferases 2.7.7.15 choline-phosphate cytidylyltransferase. More @Wikipedia
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