8dvc

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Receptor ShHTL5 from Striga hermonthica in complex with strigolactone agonist GR24Receptor ShHTL5 from Striga hermonthica in complex with strigolactone agonist GR24

Structural highlights

8dvc is a 5 chain structure with sequence from Striga hermonthica. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.638Å
Ligands:, , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

A0A0M5I297_STRHE

Publication Abstract from PubMed

Strigolactones (SLs) regulate many aspects of plant development, but ambiguities remain about how this hormone is perceived because SL-complexed receptor structures do not exist. We find that when SL binds the Striga receptor, ShHTL5, a series of conformational changes relative to the unbound state occur, but these events are not sufficient for signalling. Ligand-complexed receptors, however, form internal tunnels that posit an explanation for how SL exits its receptor after hydrolysis.

Structural analysis of a hormone-bound Striga strigolactone receptor.,Arellano-Saab A, Skarina T, Xu Z, McErlean CSP, Savchenko A, Lumba S, Stogios PJ, McCourt P Nat Plants. 2023 Jun 1. doi: 10.1038/s41477-023-01423-y. PMID:37264151[1]

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

References

  1. Arellano-Saab A, Skarina T, Xu Z, McErlean CSP, Savchenko A, Lumba S, Stogios PJ, McCourt P. Structural analysis of a hormone-bound Striga strigolactone receptor. Nat Plants. 2023 Jun 1. PMID:37264151 doi:10.1038/s41477-023-01423-y

8dvc, resolution 2.64Å

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OCA