ID   HOR3_HORVU              Reviewed;         264 AA.
AC   P06471;
DT   01-JAN-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1988, sequence version 1.
DT   25-MAY-2022, entry version 97.
DE   RecName: Full=B3-hordein;
DE   Flags: Fragment;
OS   Hordeum vulgare (Barley).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Triticodae; Triticeae; Hordeinae; Hordeum.
OX   NCBI_TaxID=4513;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RX   PubMed=15915586; DOI=10.1002/j.1460-2075.1985.tb02310.x;
RA   Forde B.G., Kreis M., Williamson M.S., Fry R.P., Pywell J., Shewry P.R.,
RA   Bunce N., Miflin B.J.;
RT   "Short tandem repeats shared by B- and C-hordein cDNAs suggest a common
RT   evolutionary origin for two groups of cereal storage protein genes.";
RL   EMBO J. 4:9-15(1985).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 211-264.
RA   Rasmussen S.K., Hopp H.E., Brandt A.;
RT   "Nucleotide sequences of cDNA clones for B1 hordein polypeptides.";
RL   Carlsberg Res. Commun. 48:187-199(1983).
RN   [3]
RP   PROTEIN SEQUENCE OF 136-146.
RC   STRAIN=cv. Bomi; TISSUE=Starchy endosperm;
RX   PubMed=11271488;
RX   DOI=10.1002/1522-2683(200011)21:17<3693::aid-elps3693>3.0.co;2-i;
RA   Kristoffersen H.E., Flengsrud R.;
RT   "Separation and characterization of basic barley seed proteins.";
RL   Electrophoresis 21:3693-3700(2000).
CC   -!- FUNCTION: Sulfur-rich seed storage protein.
CC   -!- TISSUE SPECIFICITY: Developing endosperm.
CC   -!- SIMILARITY: Belongs to the gliadin/glutenin family. {ECO:0000305}.
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DR   EMBL; X01777; CAA25912.1; -; mRNA.
DR   EMBL; M23869; AAA32967.1; -; mRNA.
DR   PIR; S07975; S07975.
DR   AlphaFoldDB; P06471; -.
DR   PRIDE; P06471; -.
DR   ExpressionAtlas; P06471; baseline.
DR   GO; GO:0045735; F:nutrient reservoir activity; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.110.10; -; 1.
DR   InterPro; IPR036312; Bifun_inhib/LTP/seed_sf.
DR   InterPro; IPR016140; Bifunc_inhib/LTP/seed_store.
DR   InterPro; IPR001954; Glia_glutenin.
DR   PANTHER; PTHR33454; PTHR33454; 1.
DR   Pfam; PF13016; Gliadin; 1.
DR   PRINTS; PR00208; GLIADGLUTEN.
DR   SMART; SM00499; AAI; 1.
DR   SUPFAM; SSF47699; SSF47699; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Seed storage protein; Storage protein.
FT   CHAIN           <1..264
FT                   /note="B3-hordein"
FT                   /id="PRO_0000102601"
FT   REGION          1..66
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        14..66
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   NON_TER         1
SQ   SEQUENCE   264 AA;  30195 MW;  0D4FB2E74D22E9BE CRC64;
     QQPVSRQPQQ IIPQQPQQPF PLQPQQPQPF PQQPIPQQPQ PYPQQPQSFP QQPFPSQQPF
     PQQPPFWQQQ PVLSQQQPCT QDQTPLLQEQ QDQMLVQVQI PFVHPSILQQ LNPCKVFLQQ
     QCSPLAMSQR IARSQMLQQS SCHVLQQQCC QQLPQIPEQL RHEAVRAIVY SIVLQEQSLQ
     LVQGVSQPQQ QSQQQQVGQC SFQQPQPQQG QQQQVPQSVF LQPHQIAQLE ATTSIALRTL
     PTMCSVNVPL YRIVPLAIDT RVGV