ID   CAPSD_SBMVA             Reviewed;         266 AA.
AC   O72158;
DT   30-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   23-FEB-2022, entry version 63.
DE   RecName: Full=Capsid protein;
DE            Short=CP;
DE   AltName: Full=Coat protein;
GN   ORFNames=ORF3;
OS   Southern bean mosaic virus (isolate Bean/United States/Arkansas) (SBMV).
OC   Viruses; Riboviria; Orthornavirae; Pisuviricota; Pisoniviricetes;
OC   Sobelivirales; Solemoviridae; Sobemovirus.
OX   NCBI_TaxID=652938;
OH   NCBI_TaxID=3847; Glycine max (Soybean) (Glycine hispida).
OH   NCBI_TaxID=3885; Phaseolus vulgaris (Kidney bean) (French bean).
OH   NCBI_TaxID=3915; Vigna mungo (Black gram) (Phaseolus mungo).
OH   NCBI_TaxID=3917; Vigna unguiculata (Cowpea).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=9856101; DOI=10.1007/s007050050451;
RA   Lee L., Anderson E.J.;
RT   "Nucleotide sequence of a resistance breaking mutant of southern bean
RT   mosaic virus.";
RL   Arch. Virol. 143:2189-2201(1998).
CC   -!- FUNCTION: Capsid protein self-assembles to form an icosahedral capsid
CC       with a T=3 symmetry, about 30 nm in diameter, and consisting of 180
CC       capsid proteins. Each icosahedral unit contains three protein subunits
CC       (Potential). {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; AF055887; AAC15985.1; -; Genomic_RNA.
DR   SMR; O72158; -.
DR   Proteomes; UP000001671; 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; Disulfide bond; Reference proteome; RNA-binding;
KW   T=3 icosahedral capsid protein; Virion.
FT   CHAIN           1..266
FT                   /note="Capsid protein"
FT                   /id="PRO_0000402467"
FT   REGION          2..71
FT                   /note="R domain, interaction with RNA"
FT                   /evidence="ECO:0000250"
FT   REGION          13..51
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          72..257
FT                   /note="S domain, virion shell"
FT                   /evidence="ECO:0000250"
FT   REGION          258..266
FT                   /note="P domain, projecting"
FT                   /evidence="ECO:0000250"
FT   DISULFID        175..182
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   266 AA;  28771 MW;  18B1AA51E7E8A32B CRC64;
     MAKRLTKQQL TKAIANTLEA PATQSRRPRN RRRRRSAARQ PQSTQAGVSM APIAQGTMVR
     LREPSLRTAG GVTVLTHSEL STELSVTNAI VITSELVMPY TMGTWLRGVA ANWSKYSLLS
     VRYTYLPSCP STTSGSIHMG FQYDMADTLP VSVNQLSNLR GYVSGQVWSG SSGLCYINGT
     RCLDTANAIT TTLDVGQLGK KWYPFKTSTD FTTAVGVNVN IATPLVPARL IIAMLDGSSS
     TAVSTGRLYV SYTIQLIEPT ALALNN