ID   CAPSD_TNVA              Reviewed;         276 AA.
AC   P22959;
DT   01-AUG-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1991, sequence version 1.
DT   02-DEC-2020, entry version 79.
DE   RecName: Full=Capsid protein;
DE   AltName: Full=p30;
GN   ORFNames=ORF4;
OS   Tobacco necrosis virus (strain A) (TNV-A).
OC   Viruses; Riboviria; Orthornavirae; Kitrinoviricota; Tolucaviricetes;
OC   Tolivirales; Tombusviridae; Procedovirinae; Alphanecrovirus.
OX   NCBI_TaxID=12055;
OH   NCBI_TaxID=66262; Chenopodium amaranticolor.
OH   NCBI_TaxID=63459; Chenopodium quinoa (Quinoa).
OH   NCBI_TaxID=3659; Cucumis sativus (Cucumber).
OH   NCBI_TaxID=81866; Nicotiana clevelandii (Wild tobacco).
OH   NCBI_TaxID=4097; Nicotiana tabacum (Common tobacco).
OH   NCBI_TaxID=3885; Phaseolus vulgaris (Kidney bean) (French bean).
OH   NCBI_TaxID=13306; Tulipa gesneriana (Garden tulip).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=2371773; DOI=10.1016/0042-6822(90)90536-z;
RA   Meulewaeter F., Seurinck J., van Emmelo J.;
RT   "Genome structure of tobacco necrosis virus strain A.";
RL   Virology 177:699-709(1990).
CC   -!- FUNCTION: Capsid protein self-assembles to form an icosahedral capsid
CC       with a T=3 symmetry, about 28 nm in diameter, and consisting of 180
CC       capsid proteins.
CC   -!- SUBUNIT: Homomultimer. {ECO:0000305}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the icosahedral plant coat protein family.
CC       {ECO:0000305}.
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DR   EMBL; M33002; AAA86437.1; -; Genomic_RNA.
DR   PIR; D35523; VCWQTN.
DR   RefSeq; NP_056828.1; NC_001777.1.
DR   SMR; P22959; -.
DR   GeneID; 1493900; -.
DR   KEGG; vg:1493900; -.
DR   Proteomes; UP000000575; Genome.
DR   GO; GO:0039617; C:T=3 icosahedral viral capsid; IEA:UniProtKB-KW.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0005198; F:structural molecule activity; IEA:InterPro.
DR   Gene3D; 2.60.120.20; -; 1.
DR   InterPro; IPR000937; Capsid_prot_S-dom_vir.
DR   InterPro; IPR029053; Viral_coat.
DR   Pfam; PF00729; Viral_coat; 1.
DR   PRINTS; PR00233; ICOSAHEDRAL.
DR   PROSITE; PS00555; ICOSAH_VIR_COAT_S; 1.
PE   3: Inferred from homology;
KW   Capsid protein; Reference proteome; RNA-binding;
KW   T=3 icosahedral capsid protein; Virion.
FT   CHAIN           1..276
FT                   /note="Capsid protein"
FT                   /id="PRO_0000222869"
FT   REGION          1..85
FT                   /note="R domain, interaction with RNA"
FT   REGION          86..266
FT                   /note="S domain, virion shell"
FT   REGION          267..276
FT                   /note="P domain, projecting"
FT   VARIANT         54
FT                   /note="R -> Q"
FT   VARIANT         71
FT                   /note="G -> A"
FT   VARIANT         115
FT                   /note="I -> T"
FT   VARIANT         124
FT                   /note="S -> G"
FT   VARIANT         193
FT                   /note="L -> S"
FT   VARIANT         229
FT                   /note="S -> G"
SQ   SEQUENCE   276 AA;  29784 MW;  44C505AE97F5892B CRC64;
     MAGKKNNNNG QYIILRTPEQ QVEIDQRNAR RAQMGRMKKA RQPVQRYLQQ HGLRNGLSGR
     GGYIVAPTSG GVVTRPIVPK FSNRGDSTIV RNTEILNNQI LAALGAFNTT NSALIAAAPS
     WLASIADLYS KYRWLSCEII YIPKCPTTTS GSIAMAFTYD RNDAAPTARA QLSQSYKAIN
     FPPYAGYDGA AYLNSNQGAG SAIAVQLDVT KLDKPWYPTI SSAGFGALSV LDQNQFCPAS
     LVVASDGGPA TATPAGDLFI KYVIEFIEPI NPTMNV