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1.G.11.1.1
The poxvirus entry protein complex of Vaccinia virus WR.  F9 and L1 are homologous, and G9 and J5 may be homologous as well. Loss of the 35-amino acid hydrophobic O3 protein is partially compensated by mutations in the transmembrane domains of other entry proteins (Tak et al. 2021).

Accession Number:P08583
Protein Name:Protein H2
Length:189
Molecular Weight:21543.00
Species:Vaccinia virus (strain Western Reserve) (VACV) [10254]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Virion membrane1 / Single-pass type III membrane protein2
Substrate molecule

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MDKTTLSVNA CNLEYVREKA IVGVQAAKTS TLIFFVIILA ISALLLWFQT SDNPVFNELT 
61:	RYMRIKNTVN DWKSLTDSKT KLESDRGRLL AAGKDDIFEF KCVDFGAYFI AMRLDKKTYL 
121:	PQAIRRGTGD AWMVKKAAKV DPSAQQFCQY LIKHKSNNVI TCGNEMLNEL GYSGYFMSPH 
181:	WCSDFSNME