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E2

General Information
Protegen ID 773
Sequence Strain (Species/Organism) Western equine encephalomyelitis virus
VO ID VO_0011305
Taxonomy ID 11039
Other Database IDs CDD:279311
Molecule Role Protective antigen
Molecule Role Annotation This report describes the successful cloning of the E2 gene of WEEV and expression in Escherichia coli as inclusion bodies. The immunogenicity of the refolded rE2 protein was demonstrated by strong humoral and cell mediated immune (CMI) responses in rE2-immunized BALB/c mice. The current study also demonstrated that rE2-immunized mice could be partially protected from lethal challenge of WEEV (Das et al., 2007).
Additional Molecule Role Virmugen
Additional Molecule Role Annotation A PE2 mutant combined with a deletion in E2 (WE2102) induced low-level viremia in chickens and protected against challenge with wild type WEE after 2 weeks. This study also found that it is unlikely that mosquito transmission of this strain would occur (Turell et al., 2003).
Related Vaccines(s) WEEV Subunit E2 Protein Vaccine , Western equine encephalomyelitis virus PE2/E2 mutant virus
References
Das et al., 2007: Das D, Nagata LP, Suresh MR. Immunological evaluation of Escherichia coli expressed E2 protein of Western equine encephalitis virus. Virus research. 2007; 128(1-2); 26-33. [PubMed: 17499379].
Turell et al., 2003: Turell MJ, O'Guinn ML, Parker MD. Limited potential for mosquito transmission of genetically engineered, live-attenuated western equine encephalitis virus vaccine candidates. The American journal of tropical medicine and hygiene. 2003; 68(2); 218-221. [PubMed: 12641414].
Gene Information
Gene Name E2
Protein Information
Protein Name E2 protein
NCBI Protein GI 29611992
Protein pI 8.39
Protein Weight 44557.05
Protein Length 491
Protein Note Alphavirus E2 glycoprotein; pfam00943
Protein Sequence
>NP_818940.1 E2 protein [Western equine encephalitis virus]
SITDDFTLTSPYLGFCPYCRHSTPCFSPIKIENVWDESDDGSIRIQVSAQFGYNQAGTADVTKFRYMSFD
HDHDIKEDSMEKIAISTSGPCRRLGHKGYFLLAQCPPGDSVTVSITSGASENSCTVEKKIRRKFVGREEY
LFPPVHGKLVKCHVYDHLKETSAGYITMHRPGPHAYKSYLEEASGEVYIKPPSGKNVTYECKCGDYSTGI
VSTRTKMNGCTKAKQCIAYKSDQTKWVFNSPDLIRHTDHSVQGKLHIPFRLTPTVCPVPLAHTPTVTKWF
KGITLHLTAMRPTLLTTRKLGLRADATAEWITGSTSRNFSVGREGLEYVWGNHEPVRVWAQESAPGDPHG
WPHEIIIHYYHRHPVYTVIVLCGVALAILVGTASSAACIAKARRDCLTPYALAPNATVPTALAVLCCIRP
TNA

Epitope Information
IEDB Linear Epitope