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Products
Pharmacology
Type
- News
- Custom services
- Ordering
- About Us
- Technical support
- Resources
PEP7
Cat. No. PL-010
Structure:
H-Val-Ser-Gly-Asn-Val-Ala-Ala-Arg-Lys-Gly-Lys-Gln-Gln-Thr-Ser-Ser-Gly-Lys-Gly-Gly-Gly-Thr-Asn-OH
Other Names:
Elicitor peptide AtPep7
Activity:
Endogenous ligand for the receptor kinase SIRK1
PEP7 is the endogenous ligand for the receptor kinase plasma membrane-intrinsic sucrose-induced receptor kinase 1 (SIRK1). Plant peptide hormones are usually perceived by membrane-localized receptors, followed by induction of signaling pathways to mediate diverse functions, and many of these receptors have been identified as receptor kinases, the largest family of receptor proteins in plants. SIRK1 and Qian Shou kinase 1 (QSK1) are the receptor/co-receptor pair involved in the regulation of aquaporins in response to osmotic conditions induced by sucrose and the PEP7/SIRK1/ QSK1 complex represents a crucial perception and response module that mediates sucrose-controlled water flux in plants and lateral root development.
Huffaker et al (2006) An endogenous peptide signal in Arabidopsis activates components of the innate immune response. Proc Natl Acad Sci U S A. 103(26) 10098 PMID: 16785434
Zhang et al (2016) Structural Insight into Recognition of Plant Peptide Hormones by Receptors. Mol Plant. 9(11) 1454 PMID: 27743937
Wang et al (2022) PEP7 acts as a peptide ligand for the receptor kinase SIRK1 to regulate aquaporin-mediated water influx and lateral root growth. Mol Plant. 15(10) 1615 PMID: 36131543
Related areas
All peptides >
All kinase modulators >
All plant science products >
Technical Data
| Structure | H-Val-Ser-Gly-Asn-Val-Ala-Ala-Arg-Lys-Gly-Lys-Gln-Gln-Thr-Ser-Ser-Gly-Lys-Gly-Gly-Gly-Thr-Asn-OH |
| Molecular Weight | 2188.13 |
| Formula | C87H153N33O33 |
| Sequence | VSGNVAARKGKQQTSSGKGGGTN |
| Modifications | None |
Solubility and Storage
| Solubility | Soluble in water |
| Appearance | Freeze dried solid |
| Storage | Store dry, frozen and in the dark |
Batch Specific Data
| Purity | >95% by hplc |
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Recent citations
A new publication from the University of Ljubljana uses MCA-AVLQSGFR-Lys(Dnp)-Lys-NH2, the FRET substrate for the severe acute respiratory syndrome coronavirus main protease (SARS-CoV Mpro), to determine the inhibitory potential of plant polyphenols
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