Growth arrest and DNA-damage-inducible proteins-interacting protein 1 is a protein that in humans is encoded by the GADD45GIP1gene.
GADD45GIP1, also known as CRIF1 is newly identified de novo components in large subunit of mitoribosome. It is essential for the translation of mitochondrial oxidative phosphorylation polypeptides in mammalian mitochondria. CRIF1 interacts with LSU proteins, some of which surround the exit tunnel of the mitoribosome, and also interacts with nascent OXPHOS polypeptides and the mitochondrial-specific chaperone Tid1. The essential role of CRIF1 in mitochondrial synthesis and membrane integration of OXPHOS polypeptides was shown in brain-specific Crif1-deficient mice, which exhibited profound OXPHOS failure and marked neurodegeneration.
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Chung HK, Yi YW, Jung NC, Kim D, Suh JM, Kim H, Park KC, Song JH, Kim DW, Hwang ES, Yoon SH, Bae YS, Kim JM, Bae I, Shong M (Jul 2003). "CR6-interacting factor 1 interacts with Gadd45 family proteins and modulates the cell cycle". The Journal of Biological Chemistry. 278 (30): 28079–88. doi:10.1074/jbc.M212835200. PMID12716909.
Park KC, Song KH, Chung HK, Kim H, Kim DW, Song JH, Hwang ES, Jung HS, Park SH, Bae I, Lee IK, Choi HS, Shong M (Jan 2005). "CR6-interacting factor 1 interacts with orphan nuclear receptor Nur77 and inhibits its transactivation". Molecular Endocrinology. 19 (1): 12–24. doi:10.1210/me.2004-0107. PMID15459248.
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