Mutation detail:
| Mutation site | E627K |
| Virus | Influenzavirus A H1N1 |
Mutation level  |
Amino acid Level |
| Gene/protein/region type | PB2 |
| Gene ID | 23308131 |
| Country | China ,USA |
| Mutation type |
nonsynonymous mutation |
| Genotype/subtype/clade | - |
| Sample |
cell line |
| Variants | - |
| Viral reference sequence | LC333182.1 |
| Drug/antibody/vaccine | - |
| Transmissibility |
promote |
| Transmission mechanism | - |
| Pathogenicity |
- |
| Pathogenicity mechanism | - |
| Immune escape mutation | - |
| Immune escape mechanism | - |
| RT-PCR primers probes | - |
Protein detail:
| Protein name | Polymerase PB2 |
| Uniprot protein ID | C3W5X5 |
| Protein length | 759 amino acids |
| Protein description | PB2 plays an essential role in transcription initiation and cap-stealing mechanism, in which cellular capped pre-mRNAs are used to generate primers for viral transcription. Recognizes and binds the 7-methylguanosine-containing cap of the target pre-RNA which is subsequently cleaved after 10-13 nucleotides by the viral protein PA. Plays a role in the initiation of the viral genome replication and modulates the activity of the ribonucleoprotein (RNP) complex. |
Literature information:
| Pubmed ID | 31034753 |
| Clinical information | No |
| Disease | - |
| Published year | 2018 |
| Journal | The FEBS journel |
| Title | Evidence for a novel mechanism of influenza A virus host adaptation modulated by PB2-627 |
| Author | Xiaokun Liu,Cha Yang,Xiaomei Sun,Xian Lin,Lianzhong Zhao, |
| Evidence | therefore, the PB2 E627K mutation is a marker of avian influenza virus adaptation for mammalian hosts. |