IBB1_WHEAT
ID IBB1_WHEAT Reviewed; 56 AA.
AC P09863;
DT 01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-1989, sequence version 1.
DT 03-AUG-2022, entry version 81.
DE RecName: Full=Bowman-Birk type proteinase inhibitor I-2B;
DE Flags: Fragment;
OS Triticum aestivum (Wheat).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC Pooideae; Triticodae; Triticeae; Triticinae; Triticum.
OX NCBI_TaxID=4565;
RN [1]
RP PROTEIN SEQUENCE.
RX PubMed=3818572; DOI=10.1093/oxfordjournals.jbchem.a121810;
RA Odani S., Koide T., Ono T.;
RT "Wheat germ trypsin inhibitors. Isolation and structural characterization
RT of single-headed and double-headed inhibitors of the Bowman-Birk type.";
RL J. Biochem. 100:975-983(1986).
CC -!- SIMILARITY: Belongs to the Bowman-Birk serine protease inhibitor
CC family. {ECO:0000305}.
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DR PIR; A25507; A25507.
DR AlphaFoldDB; P09863; -.
DR SMR; P09863; -.
DR MEROPS; I12.009; -.
DR PRIDE; P09863; -.
DR EnsemblPlants; TraesCAD_scaffold_051594_01G000300.1; TraesCAD_scaffold_051594_01G000300.1; TraesCAD_scaffold_051594_01G000300.
DR EnsemblPlants; TraesCLE_scaffold_112164_01G000300.1; TraesCLE_scaffold_112164_01G000300.1; TraesCLE_scaffold_112164_01G000300.
DR EnsemblPlants; TraesPAR_scaffold_070210_01G000100.1; TraesPAR_scaffold_070210_01G000100.1; TraesPAR_scaffold_070210_01G000100.
DR EnsemblPlants; TraesROB_scaffold_090988_01G000100.1; TraesROB_scaffold_090988_01G000100.1; TraesROB_scaffold_090988_01G000100.
DR EnsemblPlants; TraesWEE_scaffold_062037_01G000300.1; TraesWEE_scaffold_062037_01G000300.1; TraesWEE_scaffold_062037_01G000300.
DR Gramene; TraesCAD_scaffold_051594_01G000300.1; TraesCAD_scaffold_051594_01G000300.1; TraesCAD_scaffold_051594_01G000300.
DR Gramene; TraesCLE_scaffold_112164_01G000300.1; TraesCLE_scaffold_112164_01G000300.1; TraesCLE_scaffold_112164_01G000300.
DR Gramene; TraesPAR_scaffold_070210_01G000100.1; TraesPAR_scaffold_070210_01G000100.1; TraesPAR_scaffold_070210_01G000100.
DR Gramene; TraesROB_scaffold_090988_01G000100.1; TraesROB_scaffold_090988_01G000100.1; TraesROB_scaffold_090988_01G000100.
DR Gramene; TraesWEE_scaffold_062037_01G000300.1; TraesWEE_scaffold_062037_01G000300.1; TraesWEE_scaffold_062037_01G000300.
DR Proteomes; UP000019116; Unplaced.
DR ExpressionAtlas; P09863; baseline and differential.
DR GO; GO:0005576; C:extracellular region; IEA:InterPro.
DR GO; GO:0004867; F:serine-type endopeptidase inhibitor activity; IEA:UniProtKB-KW.
DR CDD; cd00023; BBI; 1.
DR Gene3D; 2.10.69.10; -; 1.
DR InterPro; IPR035995; Bowman-Birk_prot_inh.
DR InterPro; IPR000877; Prot_inh_BBI.
DR Pfam; PF00228; Bowman-Birk_leg; 1.
DR SMART; SM00269; BowB; 1.
DR SUPFAM; SSF57247; SSF57247; 1.
DR PROSITE; PS00281; BOWMAN_BIRK; 1.
PE 1: Evidence at protein level;
KW Direct protein sequencing; Disulfide bond; Protease inhibitor;
KW Reference proteome; Serine protease inhibitor.
FT CHAIN <1..>56
FT /note="Bowman-Birk type proteinase inhibitor I-2B"
FT /id="PRO_0000105858"
FT SITE 17..18
FT /note="Reactive bond"
FT /evidence="ECO:0000250"
FT SITE 43..44
FT /note="Reactive bond"
FT /evidence="ECO:0000250"
FT DISULFID 10..25
FT /evidence="ECO:0000250|UniProtKB:P80321"
FT DISULFID 15..23
FT /evidence="ECO:0000250|UniProtKB:P80321"
FT DISULFID 32..39
FT /evidence="ECO:0000250|UniProtKB:P80321"
FT DISULFID 36..51
FT /evidence="ECO:0000250|UniProtKB:P80321"
FT NON_TER 1
FT NON_TER 56
SQ SEQUENCE 56 AA; 6223 MW; 9821FD0C45420B09 CRC64;
AAKKRPWKCC DQAVCTRSIP PICRCMDQVF ECPSTCKACG PSVGDPSRRV CQDQYV
