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Overview

Uniprot IDO43615
Protein NameMitochondrial import inner membrane translocase subunit TIM44
Gene NameTIMM44
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
105 QEARRKYKTIESETV
121 TSEVLRKKLGELTGT
138 ESLHEVSKSDLGRKI
405 VMVVRNPKGEVVEGD

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). Recruits mitochondrial HSP70 to drive protein translocation into the matrix using ATP as an energy source (By similarity)

Protein Sequence

10 MAAAALRSGW 20 CRCPRRCLGS 30 GIQFLSSHNL 40 PHGSTYQMRR 50 PGGELPLSKS 60 YSSGNRKGFL 70 SGLLDNVKQE 80 LAKNKEMKES 90 IKKFRDEARR 100 LEESDVLQEA 110 RRKYKTIESE 120 TVRTSEVLRK 130 KLGELTGTVK 140 ESLHEVSKSD 150 LGRKIKEGVE 160 EAAKTAKQSA 170 ESVSKGGEKL 180 GRTAAFRALS 190 QGVESVKKEI 200 DDSVLGQTGP 210 YRRPQRLRKR 220 TEFAGDKFKE 230 EKVFEPNEEA 240 LGVVLHKDSK 250 WYQQWKDFKE 260 NNVVFNRFFE 270 MKMKYDESDN 280 AFIRASRALT 290 DKVTDLLGGL 300 FSKTEMSEVL 310 TEILRVDPAF 320 DKDRFLKQCE 330 NDIIPNVLEA 340 MISGELDILK 350 DWCYEATYSQ 360 LAHPIQQAKA 370 LGLQFHSRIL 380 DIDNVDLAMG 390 KMMEQGPVLI 400 ITFQAQLVMV 410 VRNPKGEVVE 420 GDPDKVLRML 430 YVWALCRDQD 440 ELNPYAAWRL 450 LDISASSTEQ IL

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:0005744 TIM23 mitochondrial import inner membrane translocase complex
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0051087 protein-folding chaperone binding
Biological Process GO:0006886 intracellular protein transport
Biological Process GO:0030150 protein import into mitochondrial matrix
Biological Process GO:0006626 protein targeting to mitochondrion

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.