ID   HOR1_HORVU              Reviewed;         293 AA.
AC   P06470;
DT   01-JAN-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1988, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=B1-hordein;
DE   Flags: Precursor;
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 [GENOMIC DNA].
RX   PubMed=4059057; DOI=10.1093/nar/13.20.7327;
RA   Forde B.G., Heyworth A., Pywell J., Kreis M.;
RT   "Nucleotide sequence of a B1 hordein gene and the identification of
RT   possible upstream regulatory elements in endosperm storage protein genes
RT   from barley, wheat and maize.";
RL   Nucleic Acids Res. 13:7327-7339(1985).
RN   [2]
RP   PROTEIN SEQUENCE OF 272-283 AND 286-292.
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; X03103; CAA26889.1; -; Genomic_DNA.
DR   PIR; S07365; S07365.
DR   AlphaFoldDB; P06470; -.
DR   PRIDE; P06470; -.
DR   GO; GO:0045735; F:nutrient reservoir activity; IEA:UniProtKB-KW.
DR   CDD; cd00261; AAI_SS; 1.
DR   Gene3D; 1.10.110.10; -; 1.
DR   InterPro; IPR044723; AAI_SS_dom.
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   SUPFAM; SSF47699; SSF47699; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Seed storage protein; Signal; Storage protein.
FT   SIGNAL          1..19
FT   CHAIN           20..293
FT                   /note="B1-hordein"
FT                   /id="PRO_0000032282"
FT   REGION          20..90
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        26..90
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   293 AA;  33422 MW;  217D1971CE9C945A CRC64;
     MKTFLIFALL AIAATSTIAQ QQPFPQQPIP QQPQPYPQQP QPYPQQPFPP QQPFPQQPVP
     QQPQPYPQQP FPPQQPFPQQ PPFWQQKPFP QQPPFGLQQP ILSQQQPCTP QQTPLPQGQL
     YQTLLQLQIQ YVHPSILQQL NPCKVFLQQQ CSPVPVPQRI ARSQMLQQSS CHVLQQQCCQ
     QLPQIPEQFR HEAIRAIVYS IFLQEQPQQL VEGVSQPQQQ LWPQQVGQCS FQQPQPQQVG
     QQQQVPQSAF LQPHQIAQLE ATTSIALRTL PMMCSVNVPL YRILRGVGPS VGV