GrpE Like Protein 2, Mitochondrial (GRPEL2)

GRPEL2 belongs to the grpE family. It is an essential component of the PAM complex, a complex required for the translocation of transit peptide-containing proteins from the inner membrane into the mitochondrial matrix in an ATP-dependent manner. GRPEL2 seems to control the nucleotide-dependent binding of mitochondrial HSP70 to substrate proteins and stimulates ATPase activity of mt-HSP70. GRPEL2 may also serve to modulate the interconversion of oligomeric (inactive) and monomeric (active) forms of mt-HSP70.

Belongs to the grpE family. Probable component of the PAM complex at least composed of a mitochondrial HSP70 protein, GRPEL1 or GRPEL2, TIMM44, TIMM16/MAGMAS and TIMM14/DNAJC19.