EC 2.3.1.19     
Accepted name: phosphate butyryltransferase
Reaction: butanoyl-CoA + phosphate = CoA + butanoyl phosphate
Other name(s): phosphotransbutyrylase
Systematic name: butanoyl-CoA:phosphate butanoyltransferase
References:
1.  Valentine, R.C. and Wolfe, R.S. Purification and role of phosphotransbutyrylase. J. Biol. Chem. 235 (1960) 1948–1952. [PMID: 13840823]
[EC 2.3.1.19 created 1965]