Seroatlas · Human Serome Atlas

RHOT2

Mitochondrial Rho GTPase 2

Also known as: ARHT2, C16orf39, MIRO-2, MIRO2, MIRO2_HUMAN

Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene

Protein identityUniProt · HPA

UniProt accession
Q8IXI1
Gene
RHOT2
Ensembl
ENSG00000140983
Chromosome
16
Canonical length
618 aa
Protein class
Predicted intracellular proteins, Predicted membrane proteins
Subcellular location
Mitochondria
Quaternary structure
Homodimer

OverviewNCBI Gene

This gene encodes a member of the Rho family of GTPases. The encoded protein is localized to the outer mitochondrial membrane and plays a role in mitochondrial trafficking and fusion-fission dynamics. [provided by RefSeq, Nov 2011]

Canonical amino-acid sequenceUniProt

618 residues, UniProt reviewed canonical sequence.

>Q8IXI1|RHOT2
     1  MRRDVRILLL GEAQVGKTSL ILSLVGEEFP EEVPPRAEEI TIPADVTPEK VPTHIVDYSE
    61  AEQTDEELRE EIHKANVVCV VYDVSEEATI EKIRTKWIPL VNGGTTQGPR VPIILVGNKS
   121  DLRSGSSMEA VLPIMSQFPE IETCVECSAK NLRNISELFY YAQKAVLHPT APLYDPEAKQ
   181  LRPACAQALT RIFRLSDQDL DQALSDEELN AFQKSCFGHP LAPQALEDVK TVVCRNVAGG
   241  VREDRLTLDG FLFLNTLFIQ RGRHETTWTI LRRFGYSDAL ELTADYLSPL IHVPPGCSTE
   301  LNHLGYQFVQ RVFEKHDQDR DGALSPVELQ SLFSVFPAAP WGPELPRTVR TEAGRLPLHG
   361  YLCQWTLVTY LDVRSCLGHL GYLGYPTLCE QDQAHAITVT REKRLDQEKG QTQRSVLLCK
   421  VVGARGVGKS AFLQAFLGRG LGHQDTREQP PGYAIDTVQV NGQEKYLILC EVGTDGLLAT
   481  SLDATCDVAC LMFDGSDPKS FAHCASVYKH HYMDGQTPCL FVSSKADLPE GVAVSGPSPA
   541  EFCRKHRLPA PVPFSCAGPA EPSTTIFTQL ATMAAFPHLV HAELHPSSFW LRGLLGVVGA
   601  AVAAVLSFSL YRVLVKSQ

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against RHOT2 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.

Antibody reachability
Other membrane
Secreted
No
Transmembrane segments
1
Mean surface accessibility (rSASA)
0.28
Highest tissue expression
67 nTPM

Expression across tissuesHPA

Tissue

  • cerebellum: 67 nTPM
  • spleen: 58 nTPM
  • heart muscle: 54 nTPM
  • pituitary gland: 52 nTPM
  • prostate: 51 nTPM
  • kidney: 50 nTPM

Single-cell type

  • rod photoreceptor cells: 131 nCPM
  • cone photoreceptor cells: 114 nCPM
  • syncytiotrophoblasts: 77 nCPM
  • cytotrophoblasts: 76 nCPM
  • sertoli cells: 74 nCPM
  • early primary spermatocytes: 63 nCPM

Immune cell

  • gdT-cell: 23 nTPM
  • intermediate monocyte: 23 nTPM
  • T-reg: 23 nTPM
  • eosinophil: 22 nTPM
  • plasmacytoid DC: 20 nTPM
  • classical monocyte: 20 nTPM

Brain region

  • choroid plexus: 28 nTPM
  • cerebral cortex: 22 nTPM
  • hippocampal formation: 20 nTPM
  • medulla oblongata: 20 nTPM
  • thalamus: 20 nTPM
  • amygdala: 19 nTPM

Genetic constraint and essentialitygnomAD · DepMap

Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.

gnomAD LOEUF (loss-of-function intolerance)
1.43
gnomAD pLI
0
gnomAD missense Z
-1.4
DepMap mean gene effect
-0.04
DepMap dependency class
selective

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 6% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).

OntologyGO

Biological processes

Molecular functions

Cellular components

Protein domainsUniProt · Pfam · InterPro

KeywordsUniProt

InteractionsUniProt · HPA

Protein binding partners of RHOT2 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.

Antibody and autoantibody relevanceSeroatlas analysis

Seroatlas reads RHOT2 as an antibody target. Whether an autoantibody or antibody against RHOT2 could matter depends on whether native RHOT2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

RHOT2 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.

Annotation status

The present source text does not explicitly label RHOT2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/RHOT2. Study-independent annotations aggregated from UniProt, Human Protein Atlas, PubMed, IEDB, Pfam, InterPro, Gene Ontology, AlphaFold, gnomAD, DepMap, ClinVar, TCGA. Catalog release seroatlas-reviewed-human-uniprot-20260313.

Seroatlas is the reference for exploring autoantibody and antibody serology at the human-protein level: the autoreactome and human serome, multiplex serology (HuProt, HuScan, VirScan, PhIP-Seq).

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