ID   PR7R_MMTVG              Reviewed;         320 AA.
AC   P10261;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1989, sequence version 1.
DT   02-DEC-2020, entry version 60.
DE   RecName: Full=Protein PR73 3'-endogenous;
OS   Mouse mammary tumor virus (strain GR) (MMTV).
OC   Viruses; Riboviria; Pararnavirae; Artverviricota; Revtraviricetes;
OC   Ortervirales; Retroviridae; Orthoretrovirinae; Betaretrovirus.
OX   NCBI_TaxID=11760;
OH   NCBI_TaxID=10090; Mus musculus (Mouse).
RN   [1]
RP   NUCLEOTIDE SEQUENCE.
RX   PubMed=6276778; DOI=10.1038/295622a0;
RA   Kennedy N., Knedlitschek G., Groner B., Hynes N.E., Herrlich P.,
RA   Michalides R., van Ooyen A.J.J.;
RT   "Long terminal repeats of endogenous mouse mammary tumour virus contain a
RT   long open reading frame which extends into adjacent sequences.";
RL   Nature 295:622-624(1982).
RN   [2]
RP   NUCLEOTIDE SEQUENCE.
RX   PubMed=6300464; DOI=10.1128/jvi.45.3.941-949.1983;
RA   Donehower L.A., Fleurdelys B., Hager G.L.;
RT   "Further evidence for the protein coding potential of the mouse mammary
RT   tumor virus long terminal repeat: nucleotide sequence of an endogenous
RT   proviral long terminal repeat.";
RL   J. Virol. 45:941-949(1983).
CC   -!- FUNCTION: Superantigen. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Membrane {ECO:0000305}; Single-pass type II
CC       membrane protein {ECO:0000305}.
CC   -!- MISCELLANEOUS: This protein is coded in the long terminal repeat (LTR).
CC   -!- SIMILARITY: Belongs to the mouse mammary tumor virus PR73 superantigen
CC       family. {ECO:0000305}.
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DR   EMBL; J02272; -; NOT_ANNOTATED_CDS; Genomic_RNA.
DR   EMBL; V01179; CAA24502.1; -; Genomic_DNA.
DR   SMR; P10261; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   InterPro; IPR001213; MMTV_SAg.
DR   Pfam; PF01054; MMTV_SAg; 1.
PE   3: Inferred from homology;
KW   Glycoprotein; Membrane; Signal-anchor; Superantigen; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..320
FT                   /note="Protein PR73 3'-endogenous"
FT                   /id="PRO_0000125504"
FT   TOPO_DOM        1..44
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        45..65
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        66..320
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        79
FT                   /note="N-linked (GlcNAc...) asparagine; by host"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        80
FT                   /note="N-linked (GlcNAc...) asparagine; by host"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        89
FT                   /note="N-linked (GlcNAc...) asparagine; by host"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        93
FT                   /note="N-linked (GlcNAc...) asparagine; by host"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        131
FT                   /note="N-linked (GlcNAc...) asparagine; by host"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        146
FT                   /note="N-linked (GlcNAc...) asparagine; by host"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   320 AA;  36781 MW;  1740F75F131A4AD8 CRC64;
     MPRLQQKWLN SRECPTLRRE AAKGLFPTKD DPSACTRMSP SDKDILILCC KLGIALLCLG
     LLGEVAVRAR RALTLDSFNN SSVQDYNLNN SENSTFLLGQ GPQPTSSYKP HRLCPSEIEI
     RMLAKNYIFT NKTNPIGRLL IMMLRNESLS FSTIFTQIQR LEMGIENRKR RSTSVEEQVQ
     GLRASGLEVK RGKRSTLVKI GDRWWQPGTY RGPYIYRPTD APLPYTGRYD LNFDRWVTVN
     GYKVLYRSLP FRERLARARP PWCVLTQEEK DDIKQQVHDY IYLGTGMNVW GKIFHYTKEG
     AVARQLEHIS ADTFGMSYNG