O91863 1 MASSTPASPAPSDILSSVPQSQRPPGRWT 29 Porcine circovirus ABP88946 1 MASSTPASPAPSDILSRLPQSERPPGRWT 29 Porcine circovirus 2 strain HB2 O91866 1 MASSTPASPAPSDILSSEPQSERPPGRWT 29 Porcine circovirus