Details of the APV P4b gene and REV 5′LTR DNA sequences, including virus species, host, isolate, and accession numbers of the P4b gene and REV-5′LTR nucleotide sequences. FWPV: fowlpox virus, PGPV: pigeonpox virus, TKPV: turkeypox virus, and CNPV: canarypox virus.