7y6e | pdb_00007y6e

Crystal structure of sDscam FNIII23 domains, isoform Beta2v6

spinqualitylabelsall models 7y6e, resolution 3.03Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7y6e is a 7 chain structure with sequence from Chelicerata. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 3.034Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function A0A161FW14_MESMA Publication Abstract from PubMed To create a functional neural circuit, neurons develop a molecular identity to discriminate self from non-self. The invertebrate Dscam family and vertebrate Pcdh family are implicated in determining synaptic specificity. Recently identified in Chelicerata, a shortened Dscam (sDscam) has been shown to resemble the isoform-generating characters of both Dscam and Pcdh and represent an evolutionary transition. Here we presented the molecular details of sDscam self-recognition via both trans and cis interactions using X-ray crystallographic data and functional assays. Based on our results, we proposed a molecular zipper model for the assemblies of sDscam to mediate cell-cell recognition. In this model, sDscam utilized FNIII domain to form side-by-side interactions with neighboring molecules in the same cell while established hand-in-hand interactions via Ig1 domain with molecules from another cell around. Together, our study provided a framework for understanding the assembly, recognition, and evolution of sDscam. Structural basis for the self-recognition of sDSCAM in Chelicerata.,Cheng J, Yu Y, Wang X, Zheng X, Liu T, Hu D, Jin Y, Lai Y, Fu TM, Chen Q Nat Commun. 2023 May 2;14(1):2522. doi: 10.1038/s41467-023-38205-1. PMID:37130844 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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