7.2.4.4 biotin enzyme complex contains a single biotinyl protein of 120000 Dalton in the cell membrane 684744 7.2.4.4 biotin enzyme complex contains a single biotinyl protein of 120000 Dalton in the cytoplasm 684744 7.2.4.4 additional information the acyl carrier protein subunit contains 2-(5"-phosphoribosyl)-3-dephosphocoenzyme A as a prosthetic group 685053