the nucleocapsid proteins of all paramyxoviruses studied to date , excluding that of the genus pneumovirus , have a conserved sequence of six amino acids ( ser-tyr-ala-met-gly-val ) except that of ndv which has a mismatch of two amino acids ( ser-phe-ala-met-gly-met ) in that sequence .
C0002520
amino acids
C0017890
gly