FEBS Lett 2002 Aug 28;5261-3:124-8. doi: 10.1016/s0014-5793(02)03115-0.

MIZIP, a highly conserved, vertebrate specific melanin-concentrating hormone receptor 1 interacting zinc-finger protein.

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Using the yeast-two-hybrid system a novel protein was identified from human brain that interacts with the C-terminus of melanin-concentrating hormone receptor 1 (MCH-R1). This protein, characterized by a Myeloid translocation protein 8, Nervy, DEAF1 proteins (MYND) zinc-finger domain, is termed MCH-R1-interacting zinc-finger protein, MIZIP. It is fully conserved in man, rat, mouse and highly conserved in Xenopus and zebrafish, but not detectable in invertebrates. MIZIP gene organization in human (six exons on chromosome 9q34.3) and mouse is highly conserved, yet in rodents an additional exon is generated giving rise to alternatively spliced mRNAs. MIZIP is expressed in brain, testis and stomach, where expression of MCH and MCH-R1 was previously reported. MIZIP interaction with MCH-R1 was verified by overlay and pull-down assays as well as by co-transfection experiments in human embryonic kidney-293 cells. MIZIP is cytoplasmically localized but gets recruited to the plasma membrane when cells are co-transfected with MCH-R1 supporting the notion that MIZIP is involved in the function of MCH-R1.

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Species referenced: Xenopus
Genes referenced: deaf1 pmch