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Overview

Uniprot IDQ9HAV7
Protein NameGrpE protein homolog 1, mitochondrial
Gene NameGRPEL1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
94 NLRQRSQKLVEEAKL

Function

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 (By similarity). Seems to control the nucleotide-dependent binding of mitochondrial HSP70 to substrate proteins (PubMed:11311562)

Protein Sequence

10 MAAQCVRLAR 20 RSLPALALSL 30 RPSPRLLCTA 40 TKQKNSGQNL 50 EEDMGQSEQK 60 ADPPATEKTL 70 LEEKVKLEEQ 80 LKETVEKYKR 90 ALADTENLRQ 100 RSQKLVEEAK 110 LYGIQAFCKD 120 LLEVADVLEK 130 ATQCVPKEEI 140 KDDNPHLKNL 150 YEGLVMTEVQ 160 IQKVFTKHGL 170 LKLNPVGAKF 180 DPYEHEALFH 190 TPVEGKEPGT 200 VALVSKVGYK 210 LHGRTLRPAL VGVVKEA

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005743 mitochondrial inner membrane
Cellular Component GO:0005759 mitochondrial matrix
Cellular Component GO:0005739 mitochondrion
Cellular Component GO:0001405 PAM complex, Tim23 associated import motor
Molecular Function GO:0000774 adenyl-nucleotide exchange factor activity
Molecular Function GO:0042802 identical protein binding
Molecular Function GO:0042803 protein homodimerization activity
Molecular Function GO:0051087 protein-folding chaperone binding
Molecular Function GO:0051082 unfolded protein binding
Biological Process GO:0006886 intracellular protein transport
Biological Process GO:0006457 protein folding
Biological Process GO:0030150 protein import into mitochondrial matrix

Reference

[1] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.