ID MP2_MNSV Reviewed; 61 AA. AC Q89846; DT 05-OCT-2010, integrated into UniProtKB/Swiss-Prot. DT 01-NOV-1996, sequence version 1. DT 13-SEP-2023, entry version 42. DE RecName: Full=Double gene block protein 2; DE Short=DGBp2; DE AltName: Full=Movement protein P7B; GN ORFNames=ORF3; OS Melon necrotic spot virus (MNSV). OC Viruses; Riboviria; Orthornavirae; Kitrinoviricota; Tolucaviricetes; OC Tolivirales; Tombusviridae; Procedovirinae; Gammacarmovirus; OC Gammacarmovirus melonis. OX NCBI_TaxID=11987; OH NCBI_TaxID=3656; Cucumis melo (Muskmelon). OH NCBI_TaxID=3659; Cucumis sativus (Cucumber). RN [1] RP NUCLEOTIDE SEQUENCE [GENOMIC RNA]. RX PubMed=2212985; DOI=10.1099/0022-1317-71-9-1887; RA Riviere C.J., Rochon D.M.; RT "Nucleotide sequence and genomic organization of melon necrotic spot RT virus."; RL J. Gen. Virol. 71:1887-1896(1990). RN [2] RP TOPOLOGY, AND SUBCELLULAR LOCATION. RX PubMed=17610929; DOI=10.1016/j.virol.2007.06.006; RA Martinez-Gil L., Sauri A., Vilar M., Pallas V., Mingarro I.; RT "Membrane insertion and topology of the p7B movement protein of melon RT necrotic spot virus (MNSV)."; RL Virology 367:348-357(2007). CC -!- FUNCTION: Cell-to-cell movement function. {ECO:0000305}. CC -!- SUBCELLULAR LOCATION: Host endoplasmic reticulum membrane CC {ECO:0000269|PubMed:17610929}; Single-pass type II membrane protein CC {ECO:0000269|PubMed:17610929}. CC -!- SIMILARITY: Belongs to the gammacarmovirus double gene block protein 2 CC family. {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; M29671; AAB02434.1; -; Genomic_RNA. DR EMBL; D12536; BAA02103.1; -; Genomic_RNA. DR RefSeq; NP_041230.1; NC_001504.1. DR GeneID; 1491980; -. DR KEGG; vg:1491980; -. DR Proteomes; UP000202003; Genome. DR GO; GO:0044167; C:host cell endoplasmic reticulum membrane; IEA:UniProtKB-SubCell. DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW. DR GO; GO:0046740; P:transport of virus in host, cell to cell; IEA:UniProtKB-KW. DR InterPro; IPR009575; MNSV_P7B. DR Pfam; PF06692; MNSV_P7B; 1. PE 1: Evidence at protein level; KW Host endoplasmic reticulum; Host membrane; Membrane; Reference proteome; KW Signal-anchor; Transmembrane; Transmembrane helix; Transport; KW Viral movement protein. FT CHAIN 1..61 FT /note="Double gene block protein 2" FT /id="PRO_0000398308" FT TOPO_DOM 1..12 FT /note="Cytoplasmic" FT /evidence="ECO:0000305|PubMed:17610929" FT TRANSMEM 13..33 FT /note="Helical; Signal-anchor for type II membrane protein" FT /evidence="ECO:0000255" FT TOPO_DOM 34..61 FT /note="Lumenal" FT /evidence="ECO:0000305|PubMed:17610929" SQ SEQUENCE 61 AA; 6606 MW; 3F326FFEB46D9315 CRC64; MACCRCDSSP GDYSGALLIL FISFVFFYIT SLSPQGNTYV HHFDSSSVKT QYVGISTNGD G //