2kgu

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Spatial structure of purotoxin-1 in waterSpatial structure of purotoxin-1 in water

Structural highlights

2kgu is a 1 chain structure with sequence from Alopecosa marikovskyi. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Solution NMR, 20 models
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Publication Abstract from PubMed

P2X3 purinoreceptors expressed in mammalian sensory neurons play a key role in several processes, including pain perception. From the venom of the Central Asian spider Geolycosa sp., we have isolated a novel peptide, named purotoxin-1 (PT1), which is to our knowledge the first natural molecule exerting powerful and selective inhibitory action on P2X3 receptors. PT1 dramatically slows down the removal of desensitization of these receptors. The peptide demonstrates potent antinociceptive properties in animal models of inflammatory pain.

Novel peptide from spider venom inhibits P2X3 receptors and inflammatory pain.,Grishin EV, Savchenko GA, Vassilevski AA, Korolkova YV, Boychuk YA, Viatchenko-Karpinski VY, Nadezhdin KD, Arseniev AS, Pluzhnikov KA, Kulyk VB, Voitenko NV, Krishtal OO Ann Neurol. 2010 May;67(5):680-3. PMID:20437566[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. Grishin EV, Savchenko GA, Vassilevski AA, Korolkova YV, Boychuk YA, Viatchenko-Karpinski VY, Nadezhdin KD, Arseniev AS, Pluzhnikov KA, Kulyk VB, Voitenko NV, Krishtal OO. Novel peptide from spider venom inhibits P2X3 receptors and inflammatory pain. Ann Neurol. 2010 May;67(5):680-3. PMID:20437566 doi:10.1002/ana.21949
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