Biology:Albumin I

From HandWiki
Albumin_I
PDB 1p8b EBI.jpg
Solution structure of PA1b. PDB entry 1p8b[1]
Identifiers
SymbolAlbumin_I
PfamPF08027
Pfam clanCL0083
InterProIPR012512

Albumin I (PA1b) is a hormone-like peptide found in the seeds of legumes such as the pea plant (Pisum sativum)[2] or soya bean (Glycine max)[3] which have been shown to have insecticidal properties.[2] It stimulates kinase activity upon binding a membrane bound 43 kDa receptor within the plant which affects cell proliferation.[3] The structure reveals an inhibitor cystine knot (knottin)-like fold, comprising three beta strands.[1][2]

References

  1. 1.0 1.1 Jouvensal, L.; Quillien, L.; Ferrasson, E.; Rahbé, Y.; Guéguen, J.; Vovelle, F. O. (2003). "PA1b, an Insecticidal Protein Extracted from Pea Seeds (Pisum sativum): 1H-2-D NMR Study and Molecular Modeling†,‡". Biochemistry 42 (41): 11915–11923. doi:10.1021/bi034803l. PMID 14556622. 
  2. 2.0 2.1 2.2 Da Silva, P.; Rahioui, I.; Laugier, C.; Jouvensal, L.; Meudal, H.; Chouabe, C.; Delmas, A. F.; Gressent, F. (2010). "Molecular Requirements for the Insecticidal Activity of the Plant Peptide Pea Albumin 1 Subunit b (PA1b)". Journal of Biological Chemistry 285 (43): 32689–32694. doi:10.1074/jbc.M110.147199. PMID 20660598. 
  3. 3.0 3.1 "A possible physiological function and the tertiary structure of a 4-kDa peptide in legumes". Eur. J. Biochem. 270 (6): 1269–76. March 2003. doi:10.1046/j.1432-1033.2003.03489.x. PMID 12631285. 
This article incorporates text from the public domain Pfam and InterPro: IPR012512