The molecule is a phosphoamino acid consisting of creatine having a phospho group attached at the primary nitrogen of the guanidino group. It has a role as a human metabolite and a mouse metabolite. It is a phosphoamino acid and a phosphagen. It derives from a creatine. It is a conjugate acid of a N-phosphocreatinate(2-).
2-[methyl-[(E)-N'-phosphonocarbamimidoyl]amino]acetic acid