Search Results
Overview
| Uniprot ID | Q10464 |
|---|---|
| Protein Name | Puroindoline-B |
| Gene Name | PINB |
| Organism | Triticum aestivum |
Kla Sites from experimental identification
| Position | Flanking peptide |
|---|---|
| 133 | RAQSLPSKCNMGADC |
| 46 | QCPQERPKLSSCKDY |
Function
Acts as a membranotoxin, probably through its antibacterial and antifungal activities, contributing to the defense mechanism of the plant against predators. Forms monovalent cation-selective ion channels in membranes. Has antibacterial activity against the Gram-positive bacteria S.aureus and C.michiganensis, and the Gram-negative bacteria E.coli, P.syringae pv phaseoli, A.tumefaciens and E.carotovora subsp carotovora. Acts synergistically with PINA against bacteria. Contributes to grain texture and hardness
Protein Sequence
10
MKTLFLLALL
20
ALVASTTFAQ
30
YSEVGGWYNE
40
VGGGGGSQQC
50
PQERPKLSSC
60
KDYVMERCFT
70
MKDFPVTWPT
80
KWWKGGCEHE
90
VREKCCKQLS
100
QIAPQCRCDS
110
IRRVIQGRLG
120
GFLGIWRGEV
130
FKQLQRAQSL
140
PSKCNMGADC
KFPSGYYW
Gene Ontology
| Classification | GO ID | Description |
|---|---|---|
| Cellular Component | GO:0005576 | extracellular region |
| Cellular Component | GO:0016020 | membrane |
| Molecular Function | GO:0045735 | nutrient reservoir activity |
| Molecular Function | GO:0004867 | serine-type endopeptidase inhibitor activity |
| Molecular Function | GO:0090729 | toxin activity |
| Biological Process | GO:0042742 | defense response to bacterium |
Reference
[1] Zhu J, Guo W, Lan Y. Global Analysis of Lysine Lactylation of Germinated Seeds in Wheat.. Int J Mol Sci 24(22). 2023 Nov 11. PMID: 38003390.