Biology:MLC1

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Membrane protein MLC1 (also called WKL1[1][2]) is a protein that in humans is encoded by the MLC1 gene.[3][4]

MLC1 is one of four major genes associated with megalencephalic leukoencephalopathy with subcortical cysts (MLC).[5] The other three are GPRC5B, HEPACAM, and AQP4.[6]

Function

The function of this gene product is not known; however, homology to other proteins suggests that it may be an integral membrane transport protein.[1] Mutations in this gene have been associated with megalencephalic leukoencephalopathy with subcortical cysts, an autosomal recessive neurological disorder.[5]

The MLC1 protein contains six putative transmembrane domains (S1–S6) and a pore region (P) between S5 and S6. Furthermore, MLC1 has highest homology with the KCNA1 shaker-related voltage-gated potassium channel (Kv1.1). This analysis suggests that MLC1 may be a cation channel.[1][needs update]

References

  1. ↑ 1.0 1.1 1.2 "A missense mutation in a novel gene encoding a putative cation channel is associated with catatonic schizophrenia in a large pedigree". Mol. Psychiatry 6 (3): 302–6. May 2001. doi:10.1038/sj.mp.4000869. PMID 11326298. 
  2. ↑ "A novel polymorphism in exon 11 of the WKL1 gene, shows no association with schizophrenia". Eur. J. Hum. Genet. 10 (8): 491–4. August 2002. doi:10.1038/sj.ejhg.5200837. PMID 12111645. 
  3. ↑ "Prediction of the coding sequences of unidentified human genes. I. The coding sequences of 40 new genes (KIAA0001-KIAA0040) deduced by analysis of randomly sampled cDNA clones from human immature myeloid cell line KG-1". DNA Res. 1 (1): 27–35. 1994. doi:10.1093/dnares/1.1.27. PMID 7584026. 
  4. ↑ "Mutations of MLC1 (KIAA0027), encoding a putative membrane protein, cause megalencephalic leukoencephalopathy with subcortical cysts". Am. J. Hum. Genet. 68 (4): 831–8. April 2001. doi:10.1086/319519. PMID 11254442. 
  5. ↑ 5.0 5.1 "Entrez Gene: MLC1 megalencephalic leukoencephalopathy with subcortical cysts 1". https://www.ncbi.nlm.nih.gov/gene?Db=gene&Cmd=ShowDetailView&TermToSearch=23209. 
  6. ↑ "Megalencephalic Leukoencephalopathy with Subcortical Cysts". University of Washington, Seattle. 2023-07-27. https://www.ncbi.nlm.nih.gov/books/NBK1535/. 

Further reading