3.1.4.14 - 3.1.4.14 1 mol holo-fatty acid synthetase contains 1 mol 4'-phosphopantetheine 3.1.4.14 4'-phosphopantetheine is periodically removed from and replaced on the holo-fatty acid synthetase 3.1.4.14 Ni2+-NTA resin column chromatography and Superdex-75 gel filtration 3.1.4.14 partial 3.1.4.14 partial, amino acid composition