MNT
Max-binding protein MNT
Also known as: bHLHd3, lncRNA-HAL, MAD6, MNT_HUMAN, MXD6, ROX
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q99583
- Gene
- MNT
- Ensembl
- ENSG00000070444
- Chromosome
- 17
- Canonical length
- 582 aa
- Protein class
- Predicted intracellular proteins, Transcription factors
- Subcellular location
- Nucleoplasm
- Quaternary structure
- Homodimer
OverviewNCBI Gene
The Myc/Max/Mad network comprises a group of transcription factors that co-interact to regulate gene-specific transcriptional activation or repression. This gene encodes a protein member of the Myc/Max/Mad network. This protein has a basic-Helix-Loop-Helix-zipper domain (bHLHzip) with which it binds the canonical DNA sequence CANNTG, known as the E box, following heterodimerization with Max proteins. This protein is likely a transcriptional repressor and an antagonist of Myc-dependent transcriptional activation and cell growth. This protein represses transcription by binding to DNA binding proteins at its N-terminal Sin3-interaction domain. [provided by RefSeq, Jul 2008]
Canonical amino-acid sequenceUniProt
582 residues, UniProt reviewed canonical sequence.
>Q99583|MNT
1 MSIETLLEAA RFLEWQAQQQ QRAREEQERL RLEQEREQEQ KKANSLARLA HTLPVEEPRM
61 EAPPLPLSPP APPPAPPPPL ATPAPLTVIP IPVVTNSPQP LPPPPPLPAA AQPLPLAPRQ
121 PALVGAPGLS IKEPAPLPSR PQVPTPAPLL PDSKATIPPN GSPKPLQPLP TPVLTIAPHP
181 GVQPQLAPQQ PPPPTLGTLK LAPAEEVKSS EQKKRPGGIG TREVHNKLEK NRRAHLKECF
241 ETLKRNIPNV DDKKTSNLSV LRTALRYIQS LKRKEKEYEH EMERLAREKI ATQQRLAELK
301 HELSQWMDVL EIDRVLRQTG QPEDDQASTS TASEGEDNID EDMEEDRAGL GPPKLSHRPQ
361 PELLKSTLPP PSTTPAPLPP HPHPHPHSVA LPPAHLPVQQ QQPQQKTPLP APPPPPAAPA
421 QTLVPAPAHL VATAGGGSTV IAHTATTHAS VIQTVNHVLQ GPGGKHIAHI APSAPSPAVQ
481 LAPATPPIGH ITVHPATLNH VAHLGSQLPL YPQPVAVSHI AHTLSHQQVN GTAGLGPPAT
541 VMAKPAVGAQ VVHHPQLVGQ TVLNPVTMVT MPSFPVSTLK LALocalizationUniProt · AlphaFold · HPA
Whether an antibody against MNT 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
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.68
- Highest tissue expression
- 18 nTPM
Expression across tissuesHPA
Tissue
- blood vessel: 18 nTPM
- esophagus: 16 nTPM
- colon: 15 nTPM
- cerebral cortex: 15 nTPM
- pituitary gland: 15 nTPM
- bone marrow: 15 nTPM
Single-cell type
- urothelial cells: 119 nCPM
- esophageal apical cells: 72 nCPM
- ocular epithelial cells: 64 nCPM
- esophageal suprabasal cells: 63 nCPM
- endometrial glandular cells: 62 nCPM
- neutrophils: 61 nCPM
Immune cell
- neutrophil: 1.3 nTPM
- eosinophil: 0.9 nTPM
- intermediate monocyte: 0.5 nTPM
- basophil: 0.4 nTPM
- classical monocyte: 0.4 nTPM
- non-classical monocyte: 0.4 nTPM
Brain region
- amygdala: 39 nTPM
- hippocampal formation: 39 nTPM
- cerebral cortex: 39 nTPM
- basal ganglia: 33 nTPM
- white matter: 33 nTPM
- hypothalamus: 33 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)
- 0.17
- gnomAD pLI
- 1
- gnomAD missense Z
- 0.98
- DepMap mean gene effect
- -0.06
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 3% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- cellular senescence
- negative regulation of apoptotic signaling pathway
- negative regulation of transcription by RNA polymerase II
- regulation of cell cycle
- regulation of transcription by RNA polymerase II
- transcription by RNA polymerase II
Molecular functions
- chromatin binding
- DNA-binding transcription factor activity
- DNA-binding transcription factor activity, RNA polymerase II-specific
- DNA-binding transcription repressor activity, RNA polymerase II-specific
- identical protein binding
- protein dimerization activity
- RNA polymerase II cis-regulatory region sequence-specific DNA binding
- RNA polymerase II transcription regulatory region sequence-specific DNA binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of MNT 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 MNT as an antibody target. Whether an autoantibody or antibody against MNT could matter depends on whether native MNT is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
MNT 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 MNT as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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