4ofp | pdb_00004ofp

Crystal Structure of SYG-2 D3-D4

spinqualitylabelsall models 4ofp, resolution 3.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4ofp is a 4 chain structure with sequence from Caeel. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: NAG Related: 4of0, 4of3, 4of6, 4of7, 4of8, 4ofd, 4ofi, 4ofk, 4ofy Gene: C26G2.1, CELE_C26G2.1, syg-2 (CAEEL) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed SYG-1 and SYG-2 are multipurpose cell adhesion molecules (CAMs) that have evolved across all major animal taxa to participate in diverse physiological functions, ranging from synapse formation to formation of the kidney filtration barrier. In the crystal structures of several SYG-1 and SYG-2 orthologs and their complexes, we find that SYG-1 orthologs homodimerize through a common, bispecific interface that similarly mediates an unusual orthogonal docking geometry in the heterophilic SYG-1/SYG-2 complex. C. elegans SYG-1's specification of proper synapse formation in vivo closely correlates with the heterophilic complex affinity, which appears to be tuned for optimal function. Furthermore, replacement of the interacting domains of SYG-1 and SYG-2 with those from CAM complexes that assume alternative docking geometries or the introduction of segmental flexibility compromised synaptic function. These results suggest that SYG extracellular complexes do not simply act as "molecular velcro" and that their distinct structural features are important in instructing synaptogenesis. PAPERFLICK: Extracellular Architecture of the SYG-1/SYG-2 Adhesion Complex Instructs Synaptogenesis.,Ozkan E, Chia PH, Wang RR, Goriatcheva N, Borek D, Otwinowski Z, Walz T, Shen K, Garcia KC Cell. 2014 Jan 30;156(3):482-94. doi: 10.1016/j.cell.2014.01.004. PMID:24485456 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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