TOMM22 translocase of outer mitochondrial membrane 22 [Homo sapiens (human)] - Gene

Summary

Official Symbol: TOMM22provided by HGNC
Official Full Name: translocase of outer mitochondrial membrane 22provided by HGNC
Primary source: HGNC:HGNC:18002
See related: Ensembl:ENSG00000100216 MIM:607046; AllianceGenome:HGNC:18002
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Homo sapiens
Lineage: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as: 1C9-2; TOM22; MST065; MSTP065
Summary: The protein encoded by this gene is an integral membrane protein of the mitochondrial outer membrane. The encoded protein interacts with TOMM20 and TOMM40, and forms a complex with several other proteins to import cytosolic preproteins into the mitochondrion. [provided by RefSeq, Jul 2008]
Expression: Ubiquitous expression in colon (RPKM 24.2), kidney (RPKM 23.3) and 25 other tissues See more
Orthologs: mouse all
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Genomic context

Location:: 22q13.1

Exon count:: 4

Annotation release	Status	Assembly	Chr	Location
RS_2024_08	current	GRCh38.p14 (GCF_000001405.40)	22	NC_000022.11 (38681957..38685421)
RS_2024_08	current	T2T-CHM13v2.0 (GCF_009914755.1)	22	NC_060946.1 (39152160..39155628)
RS_2024_09	previous assembly	GRCh37.p13 (GCF_000001405.25)	22	NC_000022.10 (39077962..39081426)

Chromosome 22 - NC_000022.11 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Genomic Sequence:

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Mitochondrial Translocase TOMM22 Is Overexpressed in Pancreatic Cancer and Promotes Aggressive Growth by Modulating Mitochondrial Protein Import and Function.
Title: Mitochondrial Translocase TOMM22 Is Overexpressed in Pancreatic Cancer and Promotes Aggressive Growth by Modulating Mitochondrial Protein Import and Function.
Structural basis of Tom20 and Tom22 cytosolic domains as the human TOM complex receptors.
Title: Structural basis of Tom20 and Tom22 cytosolic domains as the human TOM complex receptors.
A directed proteomic approach discovered the novel interaction of BKCa with Tom22, a component of the mitochondrion outer membrane import system, and the adenine nucleotide translocator (ANT).
Title: The mitochondrial BK(Ca) channel cardiac interactome reveals BK(Ca) association with the mitochondrial import receptor subunit Tom22, and the adenine nucleotide translocator.
Tom22 is essential for metabolic conversion, as its knockdown by small interfering RNA (siRNA) completely ablated progesterone conversion in both steroidogenic mouse Leydig MA-10 and human adrenal NCI cells.
Title: An Outer Mitochondrial Translocase, Tom22, Is Crucial for Inner Mitochondrial Steroidogenic Regulation in Adrenal and Gonadal Tissues.
Blockade of mitochondrial protein import triggers the recruitment of PARK2, by PINK1, to the TOMM machinery.
Title: The TOMM machinery is a molecular switch in PINK1 and PARK2/PARKIN-dependent mitochondrial clearance.
Studies indicate that PUMA and TOMM22 as potential targets for miRNA-BART viral transcripts.
Title: The role of miRNAs and EBV BARTs in NPC.
The interaction with the cytosolic domain of Tom22 helps Bax to acquire a conformation able to interact with the outer mitochondrial membrane.
Title: The cytosolic domain of human Tom22 modulates human Bax mitochondrial translocation and conformation in yeast.
Observational study of gene-disease association. (HuGE Navigator)
Title: Genetic variants in nuclear-encoded mitochondrial genes influence AIDS progression.
We have identified TOM22, a component of the translocase of the outer mitochondrial membrane (TOM), as a mitochondrial receptor of Bax.
Title: TOM22, a core component of the mitochondria outer membrane protein translocation pore, is a mitochondrial receptor for the proapoptotic protein Bax.
the cytosolic domains of Tom20 and Tom22 function to maintain their substrate preproteins unfolded and prevent them from aggregating on the mitochondrial surface
Title: Mitochondrial import receptors Tom20 and Tom22 have chaperone-like activity.

Submit: New GeneRIF Correction See all GeneRIFs (11)

Phenotypes

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Find tests for this gene in the NIH Genetic Testing Registry (GTR)

Review eQTL and phenotype association data in this region using PheGenI

Variation

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See variants in ClinVar

See studies and variants in dbVar

See Variation Viewer (GRCh37.p13)

See Variation Viewer (GRCh38)

HIV-1 interactions

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Protein interactions

Protein	Gene	Interaction	Pubs
Vpr	vpr	A stable-isotope labeling by amino acids in cell culture coupled with mass spectrometry-based proteomics identifies downregulation of translocase of outer mitochondrial membrane 22 (TOMM22) expression by HIV-1 Vpr in Vpr transduced macrophages	PubMed
retropepsin	gag-pol	HIV-1 PR interacts with mitochondrial proteins VDAC, cytochrome c, TOM22, and Bax in HeLa cells	PubMed
	gag-pol	HIV-1 PR cleaves TOM22 in a dose-dependent manner in HEK293 cells	PubMed

Go to the HIV-1, Human Interaction Database

Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Markers

RH17776 (e-PCR)
- UniSTS:45923

WI-20226 (e-PCR)
- UniSTS:21936

Gene Ontology Provided by GOA

Function	Evidence Code	Pubs
enables mitochondrion targeting sequence binding	IDA Inferred from Direct Assay more info	PubMed
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables protein transmembrane transporter activity	ISS Inferred from Sequence or Structural Similarity more info
enables protein transmembrane transporter activity	TAS Traceable Author Statement more info	PubMed

Process	Evidence Code	Pubs
involved_in protein insertion into mitochondrial outer membrane	IDA Inferred from Direct Assay more info	PubMed
involved_in protein insertion into mitochondrial outer membrane	NAS Non-traceable Author Statement more info	PubMed
involved_in protein targeting to mitochondrion	TAS Traceable Author Statement more info	PubMed
involved_in protein transmembrane transport	IEA Inferred from Electronic Annotation more info

Component	Evidence Code	Pubs
part_of TOM complex	NAS Non-traceable Author Statement more info	PubMed
located_in membrane	HDA more info	PubMed
located_in membrane	IDA Inferred from Direct Assay more info	PubMed
located_in mitochondrial outer membrane	NAS Non-traceable Author Statement more info	PubMed
located_in mitochondrial outer membrane	TAS Traceable Author Statement more info
part_of mitochondrial outer membrane translocase complex	IDA Inferred from Direct Assay more info	PubMed
located_in mitochondrion	HTP more info	PubMed
located_in mitochondrion	IDA Inferred from Direct Assay more info

General protein information

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Preferred Names: mitochondrial import receptor subunit TOM22 homolog

Names: mitochondrial import receptor Tom22; translocase of outer membrane 22 kDa subunit homolog; translocase of outer mitochondrial membrane 22 homolog

NCBI Reference Sequences (RefSeq)

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RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.