ID   CPRT_PMTVS              Reviewed;         825 AA.
AC   P0CK18;
DT   31-MAY-2011, integrated into UniProtKB/Swiss-Prot.
DT   31-MAY-2011, sequence version 1.
DT   29-SEP-2021, entry version 22.
DE   RecName: Full=91 kDa readthrough protein;
DE   AltName: Full=CP-RT;
GN   Name=CP-CP2;
OS   Potato mop-top virus (isolate Potato/Sweden/Sw) (PMTV).
OC   Viruses; Riboviria; Orthornavirae; Kitrinoviricota; Alsuviricetes;
OC   Martellivirales; Virgaviridae; Pomovirus.
OX   NCBI_TaxID=652839;
OH   NCBI_TaxID=4112; Solanum nigrum (Black nightshade).
OH   NCBI_TaxID=4113; Solanum tuberosum (Potato).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=11338384; DOI=10.1007/s007050170156;
RA   Sandgren M., Savenkov E.I., Valkonen J.P.;
RT   "The readthrough region of Potato mop-top virus (PMTV) coat protein
RT   encoding RNA, the second largest RNA of PMTV genome, undergoes structural
RT   changes in naturally infected and experimentally inoculated plants.";
RL   Arch. Virol. 146:467-477(2001).
RN   [2]
RP   SUBCELLULAR LOCATION.
RX   PubMed=9225055; DOI=10.1099/0022-1317-78-7-1779;
RA   Cowan G.H., Torrance L., Reavy B.;
RT   "Detection of potato mop-top virus capsid readthrough protein in virus
RT   particles.";
RL   J. Gen. Virol. 78:1779-1783(1997).
RN   [3]
RP   FUNCTION.
RX   PubMed=9780038; DOI=10.1099/0022-1317-79-10-2343;
RA   Reavy B., Arif M., Cowan G.H., Torrance L.;
RT   "Association of sequences in the coat protein/readthrough domain of potato
RT   mop-top virus with transmission by Spongospora subterranea.";
RL   J. Gen. Virol. 79:2343-2347(1998).
RN   [4]
RP   FUNCTION.
RX   PubMed=19271953; DOI=10.1094/mpmi-22-4-0381;
RA   Torrance L., Lukhovitskaya N.I., Schepetilnikov M.V., Cowan G.H.,
RA   Ziegler A., Savenkov E.I.;
RT   "Unusual long-distance movement strategies of Potato mop-top virus RNAs in
RT   Nicotiana benthamiana.";
RL   Mol. Plant Microbe Interact. 22:381-390(2009).
CC   -!- FUNCTION: Minor capsid protein involved in virus transmission by the
CC       vector Polymyxa. {ECO:0000269|PubMed:19271953,
CC       ECO:0000269|PubMed:9780038}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000269|PubMed:9225055}.
CC       Note=Associated with one extremity of viral particles.
CC   -!- MISCELLANEOUS: This protein is translated as a fusion protein by
CC       episodic readthrough of the termination codon at the end of the capsid
CC       protein. Readthrough of the terminator codon TAG occurs between the
CC       codons for Ala-176 and Gln-178, thereby producing the 91 kDa
CC       readthrough protein.
CC   -!- SIMILARITY: Belongs to the virgaviridae capsid protein family.
CC       {ECO:0000305}.
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DR   EMBL; AJ243719; -; NOT_ANNOTATED_CDS; Genomic_RNA.
DR   PRIDE; P0CK18; -.
DR   Proteomes; UP000006715; Genome.
DR   GO; GO:0019028; C:viral capsid; IEA:UniProtKB-KW.
DR   GO; GO:0005198; F:structural molecule activity; IEA:InterPro.
DR   Gene3D; 1.20.120.70; -; 1.
DR   InterPro; IPR001337; TMV-like_coat.
DR   InterPro; IPR036417; TMV-like_coat_sf.
DR   Pfam; PF00721; TMV_coat; 1.
PE   3: Inferred from homology;
KW   Capsid protein; Reference proteome; Virion.
FT   CHAIN           1..825
FT                   /note="91 kDa readthrough protein"
FT                   /id="PRO_0000409454"
SQ   SEQUENCE   825 AA;  90875 MW;  84824A08AD7EC4FF CRC64;
     MAENRGERRA AVENRYDAWD HEQAMKAAVR KFISYDQFSA QLRNWREARL NIIEHATSVL
     SQVSNLGRTH FYSRTERFGG SSLVGDKLYV CLNETRMKTA LNNIIVALQT VNGEGRARRL
     GPREASANTG GEDSALNVAH QLAEVDDLLT DESFLREAVF TQDKYELVNG LRWAGAXQLT
     AQAFWFDVNA AIDEIDNRLL AAAALRLLPG QANHVDGLVS INYAQLDRAL SVVGGNILPQ
     TLEITRDERK RQLPEVRVID GERVTIRNKD EATVIRNHGQ GLPWLLAFLL LLLSVVVVYS
     TIYLNDWLYR LSVVRHGKPG GGAARKLSGM SDWLCSRLRA RGALNVNRMR KKQACDPSPT
     GLRKFLTCYN FSYELWDPTG SYDDAQRRII AEQNSFVEAV RAIDEGDREL AEACLTNVRR
     ILRRHLNYRP DYFDIIEAKA VYLVTVLTNA MSGPVVGVDD DERRAVVAAF NPSDCGLPNL
     DSCSLDEIKN FDLSEVVIGE GTNVEQARGY LNLCRNIQCM IETIGTVQFL GVLSSYTGPQ
     YPCISQAFAE DKRIRKERLK DKDNITTADI IAYLVSGVMV AYALVAVSKG GITLFKFMKN
     YAGGGGDRPG SSRRIRQLEA ALPSLPQPEE LTMMERLRRP QSSDNDLALR RNPSDMLSQV
     VRDVVADVDS SDIAESLNDP ARMTEAALEI RLTRIMSAEG SPVDVIEPGG QELISMQVHG
     ESLTVINAGT DSPTVIRSAS LSTRHRSSGI EIGSFAVDKV LPYEVEGEND DHGDAGKKPT
     VAQALMIGGG AVKGQGNLGV TNGKELLKVL GSSRSIGKMS GKMAV