Dynamin-1 is a protein that in humans is encoded by the DNM1gene.[5][6]
Function
Dynamin possesses unique mechanochemical properties used to tubulate and sever membranes, and is involved in clathrin-mediated endocytosis and other vesicular trafficking processes. Actin and other cytoskeletal proteins act as binding partners for the dynamin, which can also self-assemble leading to stimulation of GTPase activity. More than sixty highly conserved copies of the 3' region of this gene are found elsewhere in the genome, particularly on chromosomes Y and 15. Alternatively spliced transcript variants encoding different isoforms have been described.[7]
Role in disease
De novo mutations in DNM1 have been associated with a severe form of childhood epilepsy called developmental and epileptic encephalopathy. Most pathogenic variants are missense variants, and have been shown to impair synaptic vesicleendocytosis in a dominant negative manner.[8]
^"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^Obar RA, Collins CA, Hammarback JA, Shpetner HS, Vallee RB (October 1990). "Molecular cloning of the microtubule-associated mechanochemical enzyme dynamin reveals homology with a new family of GTP-binding proteins". Nature. 347 (6290): 256–61. Bibcode:1990Natur.347..256O. doi:10.1038/347256a0. PMID2144893. S2CID4264539.
^Newman-Smith ED, Shurland DL, van der Bliek AM (July 1997). "Assignment of the dynamin-1 gene (DNM1) to human chromosome 9q34 by fluorescence in situ hybridization and somatic cell hybrid analysis". Genomics. 41 (2): 286–9. doi:10.1006/geno.1996.4596. PMID9143509.
^Wunderlich L, Faragó A, Buday L (January 1999). "Characterization of interactions of Nck with Sos and dynamin". Cell. Signal. 11 (1): 25–9. doi:10.1016/s0898-6568(98)00027-8. PMID10206341.
^Modregger J, Ritter B, Witter B, Paulsson M, Plomann M (December 2000). "All three PACSIN isoforms bind to endocytic proteins and inhibit endocytosis". J. Cell Sci. 113 (24): 4511–21. doi:10.1242/jcs.113.24.4511. PMID11082044.
Timm D, Salim K, Gout I, et al. (1995). "Crystal structure of the pleckstrin homology domain from dynamin". Nat. Struct. Biol. 1 (11): 782–8. doi:10.1038/nsb1194-782. PMID7634088. S2CID1454909.
Downing AK, Driscoll PC, Gout I, et al. (1995). "Three-dimensional solution structure of the pleckstrin homology domain from dynamin". Curr. Biol. 4 (10): 884–91. doi:10.1016/S0960-9822(00)00197-4. PMID7850421. S2CID37072095.
Ferguson KM, Lemmon MA, Schlessinger J, Sigler PB (1994). "Crystal structure at 2.2 A resolution of the pleckstrin homology domain from human dynamin". Cell. 79 (2): 199–209. doi:10.1016/0092-8674(94)90190-2. PMID7954789. S2CID33767806.
Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID8125298.
Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, et al. (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID9373149.
1dyn: CRYSTAL STRUCTURE AT 2.2 ANGSTROMS RESOLUTION OF THE PLECKSTRIN HOMOLOGY DOMAIN FROM HUMAN DYNAMIN
2aka: Structure of the nucleotide-free myosin II motor domain from Dictyostelium discoideum fused to the GTPase domain of dynamin 1 from Rattus norvegicus