Protegen ID Gene Name Sequence Strain (Species/Organism) NCBI Gene ID NCBI Nucleotide GI NCBI Protein GI Locus Tag Genbank Accession Protein Accession Protein Name Protein Annotation Molecule Role Molecule Role Annotation COG PMID 5078 pV 219964716 219964717 ACL68410.1 V protein Virulence factor Compared to the wild-type virus, mutants lacking either six nucleotides of the conserved editing site or the unique C-terminal part of the V protein produced as much as 5, 000-fold fewer infectious progeny in vitro or 200,000-fold fewer in 6-day-old embryonated chicken eggs. a mutant (NDV-P1) with one nucleotide substitution (UUCUUCCC) showed markedly attenuated pathogenicity for SPF chicken embryos. [Ref7480:Mebatsion et al., 2001] 11119610