O-(S-2-alkyl-3-oxoacylpantetheine-4'-phosphoryl)-L-serine residue
o-(s-2-alkyl-3-oxoacylpantetheine-4'-phosphoryl)-l-serine residue
An <em>O</em>-(pantetheine-4'-phosphoryl)-<small>L</small>-serine residue derivative in which the <em>S</em>-2-alkyl-3-oxoacyl group is the product of a Claisen-type condensation of an acyl and a 2-carboxyacyl chain.