the preferred conformation of the phosphocholine group ( hauser , h. , pascher , i. , pearson , r. h. , & sundell , s. ( 1981 ) biochim . biophys , acta 650 , 21-51 ] is characterized by an almost exclusively gauche conformation of the choline group and predominantly antiperiplanar conformations about the c-c-o-p and p-o-c-c bonds .
C0031716
phosphocholine
C0008405
choline