OAT (ornithine aminotransferase)

symbol
OAT
locus group
protein-coding gene
location
10q26.13
gene_family
-
alias symbol
HOGA
alias name
Ornithine aminotransferase|ornithi…
entrez id
4942
ensembl gene id
ENSG00000065154
ucsc gene id
uc001lhp.4
refseq accession
NM_000274
hgnc_id
HGNC:8091
approved reserved
2001-06-22
10q26.13
ChineseEnglish

This gene encodes the mitochondrial enzyme ornithine aminotransferase, which is a key enzyme in the pathway that converts arginine and ornithine into the major excitatory and inhibitory neurotransmitters glutamate and GABA. Mutations that result in a deficiency of this enzyme cause the autosomal recessive eye disease Gyrate Atrophy. Alternatively spliced transcript variants encoding different isoforms have been described. Related pseudogenes have been defined on the X chromosome. [provided by RefSeq, Jan 2010]

Nucleotide sequence of OAT:[NCBI]
Loading Gene Browser...
Protein Sequence
1MFSKLAHLQR FAVLSRGVHS SVASATSVAT KKTVQGPPTS
41DDIFEREYKY GAHNYHPLPV ALERGKGIYL WDVEGRKYFD
81 FLSSYSAVN QGHCHPKIVN ALKSQVDKLT LTSRAFYNNV
121LGEYEEYITK LFNYHKVLPM NTGVEAGETA CKLARKWGYT
161V KGIQKYKA KIVFAAGNFW GRTLSAISSS TDPTSYDGFG
201PFMPGFDIIP YNDLPALERA LQDPNVAAFM VEPIQGEAGV
241VV PDPGYLM GVRELCTRHQ VLFIADEIQT GLARTGRWLA
281VDYENVRPDI VLLGKALSGG LYPVSAVLCD DDIMLTIKPG
321EHG STYGGN PLGCRVAIAA LEVLEEENLA ENADKLGIIL
361RNELMKLPSD VVTAVRGKGL LNAIVIKETK DWDAWKVCLR
401LRDN GLLAK PTHGDIIRFA PPLVIKEDEL RESIEIINKT
441ILSF
Structure predicted by AlphaFold DB(UniProt: P04181). Color indicates pLDDT confidence (dark blue = high, yellow/orange = low).
SNP variants of OAT:           Showing partial SNPs
rs8182       rs11461       rs1254951       rs1254952       rs1399930       rs1710560       rs1782764       rs1782765       rs1782774       rs1800456       rs1804030       rs2240881       rs2240882       rs2282693       rs2282694       rs2459215       rs2459216      

Tissue expression of OAT:    [UniProt]

Gene expression across tissues
Forward Primer
Forward Tm
Reverse Primer
Reverse Tm
Score
AGACTGTCCCTAACTCTGG
58
CATCGTAACTGGTTGGGTC
58
CTTCTGATGTTGTAACTGCCG
60
CAAGCATCCCAATCTTTGGT
59
CTTCTGATGTTGTAACTGCCG
60
CAAGCATCCCAATCTTTGGT
59
CCTTTACCTGTAGCCCTGG
60
TTCTGCCTTCTACATCCCA
58
ATACAGACAGGATTGGCCAG
60
TGCAGACACAGGGTATAAGC
60
CCTTTACCTGTAGCCCTGG
60
TTCTGCCTTCTACATCCCA
58
GGATTCGACATCATTCCCT
57
TTTGGATCCTGAAGAGCAC
58
TGAATACAGGAGTGGAGGC
59
ATTTCTGAATGCCCTTCACG
59
GTAACGTGCAGATCTGTGG
59
AAGTACAGCAAACCTCTGC
58
CTCCTAAGTACCAGATACTACAGG
59
CAAGATCCAGGGACAGTCTG
60
Transcription Factors
Target Gene
Interaction Type
PubMed References
SP1
OAT
Unknown
TFAP2A
OAT
Unknown

Subcellular localization of OAT (and its protein):

[UniProt]     [GenomeNet]

" d="M482.414,245.296c3.539,4.293,4.455,10.009,0.202,11 c-4.244,0.996-4.983-10.983-8.293-8.438c-5.271,4.08,9.834,12.271,5.144,17.287c-3.717,3.607-6.172-5.75-10.839-1.976 c-4.673,3.776,6.781,7.299,2.831,11.326c-4.354,4.045-6.979-1.449-9.837-5.517c-1.193-1.742-2.059-3.851-3.595-2.748 c-1.516,1.078-1.854,1.795-0.938,3.666c2.374,4.854,9.235,10.119,5.156,12.535c-5.636,3.346-5.044-8.871-9.426-7.574 c-4.388,1.291,2.557,10.66-1.245,11.141c-4.089,0.545-3.483-10.239-6.979-8.575c-2.522,1.206-0.929,3.071-0.938,4.899 c0.004,1.32-0.964,3.6-2.372,4.062c-3.593,1.171-8.544-1.065-10.251-3.59c-6.04-8.93,0.396-15.997,4.639-7.015 c3.023,4.642,5.182,0.834,2.839-2.219c-1.032-1.354-4.309-5.901-0.781-7.252c2.904-1.113,4.271,1.941,5.985,4.592 c2.61,4.016,5.485,0.117,3.031-3.414c-1.828-2.633-2.74-3.803,3.156-7.42c6.405-4.369,6.52,3.869,10.077,0.646 c2.309-1.832-4.783-5.149,0.06-8.995c2.896-2.293,5.18,6.207,7.961,3.516c3.523-2.737-7.717-7.369,0.117-11.736 C473.413,240.77,480.519,242.891,482.414,245.296z"/> Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
  • plasma membrane
  • cytoplasm
  • extracellular
  • golgi
  • vesicle
  • cytoskeleton
  • endoplasmic reticulum
  • nucleus
  • endosome
  • lysosome
  • mitochondrion

Gene Ontology (GO) terms for OAT:

GO ID
Protein
Source DB
GO:0004587
P04181 (UniProtKB)
EXP
GO:0005739
P04181 (UniProtKB)
TAS
GO:0005759
P04181 (UniProtKB)
TAS
GO:0005759
P04181 (UniProtKB)
TAS
GO:0007601
P04181 (UniProtKB)
TAS
GO:0008652
P04181 (UniProtKB)
TAS
GO:0010121
P04181 (UniProtKB)
IBA
GO:0019544
P04181 (UniProtKB)
IBA
GO:0030170
P04181 (UniProtKB)
IBA
GO:0034214
P04181 (UniProtKB)
IDA
GO:0042802
P04181 (UniProtKB)
IBA
GO:0055129
P04181 (UniProtKB)
IEA

microRNAs potentially regulating OAT:     

String
BioGrid
IntAct
mentha
MINT
Reactome
Loading…
Interacting Gene Interaction Source/Score
Disease Score NofPmids NofSnps Source
Disease Score NofPmids NofSnps Source
Gyrate Atrophy 0.334039032 44 4 BeFree_CTD_human_GAD_MGD_UNIPROT
Hyperornithinemia 0.242442977 9 60 BeFree_CLINVAR_ORPHANET
Necrotizing Enterocolitis 0.12 1 0 CTD_human
Scotoma 0.002367032 1 0 GAD
Visual field defects 0.002367032 1 0 GAD
Chorioretinal degeneration 0.002171535 8 0 BeFree
Degenerative disorder 0.001628651 6 0 BeFree
Disorder of eye 0.000814326 3 0 BeFree
synovial sarcoma 0.000814326 3 0 BeFree
Unspecified visual loss 0.000814326 3 0 BeFree
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Insights on the impact of arbuscular mycorrhizal symbiosis on Avena sativa drought tolerance at the early flowering stage.
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Exploring allomelanin: A comparative analysis via natural product extraction and synthesis.
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The dose-response relationship between seminal plasma metal mixtures and oligo-astheno-teratozoospermia: a hospital-based case-control study.
Liu X, Chen C, Chen Y, Xu Y, Qi J, Jiang C, Chen Y J Trace Elem Med Biol IF: 4.1 2026-04-00
Oat grass improves meat tenderness and flavor, reduces fat deposition in small-tailed Han sheep.
Wang LW, Li JQ, An JH, Sun H, Liu F, Zhao MR, Jiang LL, Dong XR, Tao S, Bayaer M, He JF, Liu YB Food Chem (Oxf) IF: 4.8 2026-06-00

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