The HSP70 family is composed of four highly conserved proteins: HSP70, HSC70, GRP75 and GRP78. These proteins serve a variety of roles. GRP75 expression is restricted to the mitochondrial matrix and aids in the translocation and folding of nascent polypeptide chains of both nuclear and mitochondrial origin. GRP75 and GRP78 are unresponsive to heat stress and are induced by glucose deprivation.
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Protein Aliases: 75 kDa glucose-regulated protein; catecholamine-regulated protein 40; epididymis secretory sperm binding protein Li 124m; GRP 75; GRP-75; Heat shock 70 kDa protein 9; heat shock 70kD protein 9B; heat shock 70kDa protein 9 (mortalin); heat shock 70kDa protein 9A; Heat shock protein; heat shock protein, A; HSP; MGC4500; Mortalin; mortalin, perinuclear; mortalin-2; mortalin2; MOT; mtHSP70; p66-mortalin; PBP74; Peptide-binding protein 74; Stress-70 protein, mitochondrial
Gene Aliases: CRP40; CSA; EVPLS; GRP-75; GRP75; HEL-S-124m; HSPA9; Hspa9a; HSPA9B; MOT; MOT2; mt-HSP70; MTHSP75; PBP74; SAAN; SIDBA4
UniProt ID: (Human) P38646