3ig3 is a 1 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
PLXA3_MOUSE Coreceptor for SEMA3A and SEMA3F. Necessary for signaling by class 3 semaphorins and subsequent remodeling of the cytoskeleton. Plays a role in axon guidance in the developing nervous system. Regulates the migration of sympathetic neurons, but not of neural crest precursors. Required for normal dendrite spine morphology in pyramidal neurons. May play a role in regulating semaphorin-mediated programmed cell death in the developing nervous system. Class 3 semaphorins bind to a complex composed of a neuropilin and a plexin. The plexin modulates the affinity of the complex for specific semaphorins, and its cytoplasmic domain is required for the activation of down-stream signaling events in the cytoplasm.[1][2][3][4][5][6]
Evolutionary Conservation
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
↑Cheng HJ, Bagri A, Yaron A, Stein E, Pleasure SJ, Tessier-Lavigne M. Plexin-A3 mediates semaphorin signaling and regulates the development of hippocampal axonal projections. Neuron. 2001 Oct 25;32(2):249-63. PMID:11683995
↑Waimey KE, Huang PH, Chen M, Cheng HJ. Plexin-A3 and plexin-A4 restrict the migration of sympathetic neurons but not their neural crest precursors. Dev Biol. 2008 Mar 15;315(2):448-58. doi: 10.1016/j.ydbio.2008.01.002. Epub 2008 , Jan 16. PMID:18262512 doi:https://dx.doi.org/10.1016/j.ydbio.2008.01.002
↑Schwarz Q, Waimey KE, Golding M, Takamatsu H, Kumanogoh A, Fujisawa H, Cheng HJ, Ruhrberg C. Plexin A3 and plexin A4 convey semaphorin signals during facial nerve development. Dev Biol. 2008 Dec 1;324(1):1-9. doi: 10.1016/j.ydbio.2008.08.020. Epub 2008 Sep , 3. PMID:18804103 doi:https://dx.doi.org/10.1016/j.ydbio.2008.08.020
↑Ben-Zvi A, Manor O, Schachner M, Yaron A, Tessier-Lavigne M, Behar O. The Semaphorin receptor PlexinA3 mediates neuronal apoptosis during dorsal root ganglia development. J Neurosci. 2008 Nov 19;28(47):12427-32. doi: 10.1523/JNEUROSCI.3573-08.2008. PMID:19020035 doi:https://dx.doi.org/10.1523/JNEUROSCI.3573-08.2008
↑He H, Yang T, Terman JR, Zhang X. Crystal structure of the plexin A3 intracellular region reveals an autoinhibited conformation through active site sequestration. Proc Natl Acad Sci U S A. 2009 Aug 26. PMID:19717441
↑Tran TS, Rubio ME, Clem RL, Johnson D, Case L, Tessier-Lavigne M, Huganir RL, Ginty DD, Kolodkin AL. Secreted semaphorins control spine distribution and morphogenesis in the postnatal CNS. Nature. 2009 Dec 24;462(7276):1065-9. doi: 10.1038/nature08628. Epub 2009 Dec 13. PMID:20010807 doi:https://dx.doi.org/10.1038/nature08628
