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TGB2_PMV
ID   TGB2_PMV                Reviewed;         111 AA.
AC   P20953;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   02-DEC-2020, entry version 73.
DE   RecName: Full=Movement protein TGB2;
DE   AltName: Full=12 kDa protein;
DE   AltName: Full=Triple gene block 2 protein;
DE            Short=TGBp2;
GN   ORFNames=ORF3;
OS   Papaya mosaic potexvirus (PMV).
OC   Viruses; Riboviria; Orthornavirae; Kitrinoviricota; Alsuviricetes;
OC   Tymovirales; Alphaflexiviridae; Potexvirus.
OX   NCBI_TaxID=12181;
OH   NCBI_TaxID=3649; Carica papaya (Papaya).
OH   NCBI_TaxID=108055; Ullucus tuberosus (Olluco).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=2778435; DOI=10.1099/0022-1317-70-9-2325;
RA   Sit T.L., Abouhaidar M.G., Holy S.;
RT   "Nucleotide sequence of papaya mosaic virus RNA.";
RL   J. Gen. Virol. 70:2325-2331(1989).
RN   [2]
RP   REVIEW.
RX   PubMed=15828680; DOI=10.1094/mpmi-18-0283;
RA   Verchot-Lubicz J.;
RT   "A new cell-to-cell transport model for Potexviruses.";
RL   Mol. Plant Microbe Interact. 18:283-290(2005).
CC   -!- FUNCTION: Plays a role in viral cell-to-cell propagation, by
CC       facilitating genome transport to neighboring plant cells through
CC       plasmosdesmata,. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Host endoplasmic reticulum membrane
CC       {ECO:0000250}.
CC   -!- MISCELLANEOUS: TGBp1, TGBp2 and TGBp3 seem to act together for cell-to-
CC       cell propagation. TGBp1 is the main movement protein that physically
CC       cross the plasmodesma with the viral genome. TGBp2 and TGBp3 would
CC       facilitate TGBp1 function.
CC   -!- SIMILARITY: Belongs to the Tymovirales TGBp2 protein family.
CC       {ECO:0000305}.
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DR   EMBL; D13957; BAA03052.1; -; Genomic_RNA.
DR   PIR; JQ0098; JQ0098.
DR   RefSeq; NP_044332.1; NC_001748.1.
DR   GeneID; 1494023; -.
DR   KEGG; vg:1494023; -.
DR   Proteomes; UP000000477; Genome.
DR   GO; GO:0044167; C:host cell endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0046740; P:transport of virus in host, cell to cell; IEA:UniProtKB-KW.
DR   InterPro; IPR001896; Plant_vir_prot.
DR   Pfam; PF01307; Plant_vir_prot; 1.
PE   3: Inferred from homology;
KW   Host endoplasmic reticulum; Host membrane; Membrane; Reference proteome;
KW   Transmembrane; Transmembrane helix; Transport; Viral movement protein.
FT   CHAIN           1..111
FT                   /note="Movement protein TGB2"
FT                   /id="PRO_0000222587"
FT   TOPO_DOM        1..16
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000250"
FT   TRANSMEM        17..37
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        38..72
FT                   /note="Lumenal"
FT                   /evidence="ECO:0000250"
FT   TRANSMEM        73..93
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        94..111
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   111 AA;  11950 MW;  60CBBE9CB0F585B0 CRC64;
     MSSHQNFLTP PPDHSKAILA VAVGVGLAIV LHFSLSYKLP SPGDNIHSLP FGGTYRDGTK
     SIIYNSPHRG PGQSGALPII TVFAIIECTL HVLRKRDNPV RPQHSDCPNC S
 
 
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