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TIMM21 | translocase of inner mitochondrial membrane 21 homolog (yeast); Participates in the translocation of transit peptide- containing proteins across the mitochondrial inner membrane. Also required for assembly of mitochondrial respiratory chain complex I and complex IV as component of some MITRAC complex, a cytochrome c oxidase (COX) assembly intermediate complex. TIM21 probably shuttles between the presequence translocase and respiratory-chain assembly intermediates in a process that promotes incorporation of early nuclear-encoded subunits into these complexes (248 aa) | |||
TOMM22 | translocase of outer mitochondrial membrane 22 homolog (yeast); Central receptor component of the translocase of the outer membrane of mitochondria (TOM complex) responsible for the recognition and translocation of cytosolically synthesized mitochondrial preproteins. Together with the peripheral receptor TOM20 functions as the transit peptide receptor and facilitates the movement of preproteins into the translocation pore (142 aa) | |||
HSPE1 | heat shock 10kDa protein 1 (chaperonin 10); Eukaryotic CPN10 homolog which is essential for mitochondrial protein biogenesis, together with CPN60. Binds to CPN60 in the presence of Mg-ATP and suppresses the ATPase activity of the latter (102 aa) | |||
TBPL1 | TBP-like 1; Does not bind the TATA box. Has DNA-binding ability (186 aa) | |||
PMPCB | peptidase (mitochondrial processing) beta; Cleaves presequences (transit peptides) from mitochondrial protein precursors (By similarity) (489 aa) | |||
TOMM40 | translocase of outer mitochondrial membrane 40 homolog (yeast); Channel-forming protein essential for import of protein precursors into mitochondria (By similarity) (361 aa) | |||
DNAJA3 | DnaJ (Hsp40) homolog, subfamily A, member 3; Modulates apoptotic signal transduction or effector structures within the mitochondrial matrix. Affect cytochrome C release from the mitochondria and caspase 3 activation, but not caspase 8 activation. Isoform 1 increases apoptosis triggered by both TNF and the DNA-damaging agent mytomycin C; in sharp contrast, isoform 2 suppresses apoptosis. Can modulate IFN-gamma- mediated transcriptional activity. Isoform 2 may play a role in neuromuscular junction development as an effector of the MUSK signaling pathway (480 aa) | |||
GRPEL1 | GrpE-like 1, mitochondrial (E. coli); 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. Seems to control the nucleotide-dependent binding of mitochondrial HSP70 to substrate proteins (217 aa) | |||
TP53 | tumor protein p53; Acts as a tumor suppressor in many tumor types; induces growth arrest or apoptosis depending on the physiological circumstances and cell type. Involved in cell cycle regulation as a trans-activator that acts to negatively regulate cell division by controlling a set of genes required for this process. One of the activated genes is an inhibitor of cyclin-dependent kinases. Apoptosis induction seems to be mediated either by stimulation of BAX and FAS antigen expression, or by repression of Bcl-2 expression (By similarity) (393 aa) | |||
TIMM44 | translocase of inner mitochondrial membrane 44 homolog (yeast); 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. Recruits mitochondrial HSP70 to drive protein translocation into the matrix using ATP as an energy source (452 aa) | |||
HSPA9 | heat shock 70kDa protein 9 (mortalin) (679 aa) | |||
HSP90B1 | heat shock protein 90kDa beta (Grp94), member 1; Molecular chaperone that functions in the processing and transport of secreted proteins. When associated with CNPY3, required for proper folding of Toll-like receptors (By similarity). Functions in endoplasmic reticulum associated degradation (ERAD). Has ATPase activity (803 aa) | |||
PAM16 | presequence translocase-associated motor 16 homolog (S. cerevisiae); Regulates ATP-dependent protein translocation into the mitochondrial matrix. Inhibits DNAJC19 stimulation of HSPA9/Mortalin ATPase activity (125 aa) | |||
HSP90AA1 | heat shock protein 90kDa alpha (cytosolic), class A member 1; Molecular chaperone that promotes the maturation, structural maintenance and proper regulation of specific target proteins involved for instance in cell cycle control and signal transduction. Undergoes a functional cycle that is linked to its ATPase activity. This cycle probably induces conformational changes in the client proteins, thereby causing their activation. Interacts dynamically with various co-chaperones that modulate its substrate recognition, ATPase cycle and chaperone function (854 aa) | |||
HSPD1 | heat shock 60kDa protein 1 (chaperonin); Implicated in mitochondrial protein import and macromolecular assembly. May facilitate the correct folding of imported proteins. May also prevent misfolding and promote the refolding and proper assembly of unfolded polypeptides generated under stress conditions in the mitochondrial matrix (573 aa) | |||
UBC | ubiquitin C (685 aa) | |||
TOMM7 | translocase of outer mitochondrial membrane 7 homolog (yeast); Required for assembly and stability of the TOM complex (55 aa) | |||
TOMM20 | translocase of outer mitochondrial membrane 20 homolog (yeast); Central component of the receptor complex responsible for the recognition and translocation of cytosolically synthesized mitochondrial preproteins. Together with TOM22 functions as the transit peptide receptor at the surface of the mitochondrion outer membrane and facilitates the movement of preproteins into the TOM40 translocation pore (By similarity) (145 aa) | |||
MAGOH | mago-nashi homolog, proliferation-associated (Drosophila); Component of a splicing-dependent multiprotein exon junction complex (EJC) deposited at splice junction on mRNAs. The EJC is a dynamic structure consisting of a few core proteins and several more peripheral nuclear and cytoplasmic associated factors that join the complex only transiently either during EJC assembly or during subsequent mRNA metabolism. Core components of the EJC, that remains bound to spliced mRNAs throughout all stages of mRNA metabolism, functions to mark the position of the exon-exon junction in the mature mR [...] (146 aa) | |||
PMPCA | peptidase (mitochondrial processing) alpha; Cleaves presequences (transit peptides) from mitochondrial protein precursors (By similarity) (525 aa) | |||
DNLZ | DNL-type zinc finger; May function as a co-chaperone towards HSPA9/mortalin which, by itself, is prone to self-aggregation (178 aa) | |||
DNAJA1 | DnaJ (Hsp40) homolog, subfamily A, member 1; Co-chaperone of Hsc70. Seems to play a role in protein import into mitochondria (397 aa) | |||
DNAJC19 | DnaJ (Hsp40) homolog, subfamily C, member 19; Probable 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. May act as a co-chaperone that stimulate the ATP-dependent activity (By similarity) (116 aa) | |||
TOMM6 | translocase of outer mitochondrial membrane 6 homolog (yeast) (74 aa) | |||
TOMM5 | translocase of outer mitochondrial membrane 5 homolog (yeast) (92 aa) | |||
GTF2A1 | general transcription factor IIA, 1, 19/37kDa; TFIIA is a component of the transcription machinery of RNA polymerase II and plays an important role in transcriptional activation. TFIIA in a complex with TBP mediates transcriptional activity (376 aa) |