O60502 (NCOAT_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 99.
History...
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Bifunctional protein NCOAT Alternative name(s): Meningioma-expressed antigen 5 Nuclear cytoplasmic O-GlcNAcase and acetyltransferase | ||||
| Gene names |
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| Organism | Homo sapiens (Human) [Reference proteome] | ||||
| Taxonomic identifier | 9606 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo![]() |
Protein attributes
| Sequence length | 916 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Cleaves GlcNAc but not GalNAc from glycopeptides. Can use p-nitrophenyl-beta-GlcNAc as substrate but not p-nitrophenyl-beta-GalNAc or p-nitrophenyl-alpha-GlcNAc. Possesses hyaluronidase activity. Acetylates 'Lys-8' of histone H4 and 'Lys-14' of histone H3. Ref.3 Ref.9 |
| Catalytic activity | [Protein]-3-O-(N-acetyl-D-glucosaminyl)-L-serine + H2O = [protein]-L-serine + N-acetyl-D-glucosamine. Ref.3 Ref.9 [Protein]-3-O-(N-acetyl-D-glucosaminyl)-L-threonine + H2O = [protein]-L-threonine + N-acetyl-D-glucosamine. Acetyl-CoA + [histone] = CoA + acetyl-[histone]. Ref.3 Ref.9 |
| Enzyme regulation | Inhibited by N-acetylglucosamine and not N-acetylgalactosamine. Ref.3 |
| Subunit structure | Monomer. Binds both acetylated and unacetylated histone H4 tail but acetylation on 'Lys-8' of histone H4 abolishes binding By similarity. Ref.9 |
| Subcellular location | |
| Tissue specificity | Ubiquitous. Shows highest expression in the brain, placenta and pancreas. Ref.2 Ref.3 |
| Post-translational modification | Proteolytically cleaved by caspase-3. |
| Biophysicochemical properties | Kinetic parameters: KM=1.1 mM for pNP-GLcNAc Ref.3 Ref.9 Vmax=652 µmol/min/mg enzyme with pNP-GLcNAc as substrate pH dependence: Optimum pH is 5.7-7. |
| Sequence caution | The sequence AAH47877.1 differs from that shown. Reason: Contaminating sequence. Potential poly-A sequence. The sequence BAA31654.2 differs from that shown. Reason: Erroneous initiation. |
Ontologies
Alternative products
| This entry describes 3 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: O60502-1) This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. | ||||||
| Isoform 2 (identifier: O60502-2) The sequence of this isoform differs from the canonical sequence as follows: 346-398: Missing. 691-704: Missing. | ||||||
| Isoform 3 (identifier: O60502-3) Also known as: MGEA5s; The sequence of this isoform differs from the canonical sequence as follows: 663-677: CRSHSSAQFLIGDQE → RCTRNNLFSSNILSL 678-916: Missing. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||
Molecule processing | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 916 | 916 | Bifunctional protein NCOAT | PRO_0000252118 | |||||||
Regions | |||||||||||
| Region | 583 – 916 | 334 | Histone acetyltransferase activity By similarity | ||||||||
| Region | 695 – 814 | 120 | Required for histone H4 binding By similarity | ||||||||
Sites | |||||||||||
| Active site | 175 | 1 | Nucleophile; for O-GlcNAcase activity By similarity | ||||||||
| Active site | 177 | 1 | Proton donor; for O-GlcNAcase activity By similarity | ||||||||
Amino acid modifications | |||||||||||
| Modified residue | 364 | 1 | Phosphoserine Ref.10 Ref.11 Ref.12 Ref.14 | ||||||||
| Disulfide bond | 777 ↔ 793 | By similarity | |||||||||
Natural variations | |||||||||||
| Alternative sequence | 346 – 398 | 53 | Missing in isoform 2. | VSP_020866 | |||||||
| Alternative sequence | 663 – 677 | 15 | CRSHS…IGDQE → RCTRNNLFSSNILSL in isoform 3. | VSP_020867 | |||||||
| Alternative sequence | 678 – 916 | 239 | Missing in isoform 3. | VSP_020868 | |||||||
| Alternative sequence | 691 – 704 | 14 | Missing in isoform 2. | VSP_020869 | |||||||
| Natural variant | 46 | 1 | G → E. Corresponds to variant rs3740421 [ dbSNP | Ensembl ]. | VAR_027761 | |||||||
| Natural variant | 602 | 1 | E → K. Ref.8 Corresponds to variant rs17853930 [ dbSNP | Ensembl ]. | VAR_027762 | |||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Novel immunogenic antigen homologous to hyaluronidase in meningioma." Heckel D., Comtesse N., Brass N., Blin N., Zang K.D., Meese E. Hum. Mol. Genet. 7:1859-1872(1998) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS 1 AND 3). Tissue: Meningioma. |
| [2] | "Identification of a nuclear variant of MGEA5, a cytoplasmic hyaluronidase and a beta-N-acetylglucosaminidase." Comtesse N., Maldener E., Meese E. Biochem. Biophys. Res. Commun. 283:634-640(2001) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] (ISOFORMS 1 AND 3), SUBCELLULAR LOCATION, TISSUE SPECIFICITY. |
| [3] | "Dynamic O-glycosylation of nuclear and cytosolic proteins: cloning and characterization of a neutral, cytosolic beta-N-acetylglucosaminidase from human brain." Gao Y., Wells L., Comer F.I., Parker G.J., Hart G.W. J. Biol. Chem. 276:9838-9845(2001) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), FUNCTION, CATALYTIC ACTIVITY, SUBCELLULAR LOCATION, TISSUE SPECIFICITY, BIOPHYSICOCHEMICAL PROPERTIES, ENZYME REGULATION, IDENTIFICATION BY MASS SPECTROMETRY. Tissue: Brain. |
| [4] | "Prediction of the coding sequences of unidentified human genes. X. The complete sequences of 100 new cDNA clones from brain which can code for large proteins in vitro." Ishikawa K., Nagase T., Suyama M., Miyajima N., Tanaka A., Kotani H., Nomura N., Ohara O. DNA Res. 5:169-176(1998) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). Tissue: Brain. |
| [5] | "Construction of expression-ready cDNA clones for KIAA genes: manual curation of 330 KIAA cDNA clones." Nakajima D., Okazaki N., Yamakawa H., Kikuno R., Ohara O., Nagase T. DNA Res. 9:99-106(2002) [PubMed] [Europe PMC] [Abstract] Cited for: SEQUENCE REVISION. |
| [6] | "The DNA sequence and comparative analysis of human chromosome 10." Deloukas P., Earthrowl M.E., Grafham D.V., Rubenfield M., French L., Steward C.A., Sims S.K., Jones M.C., Searle S., Scott C., Howe K., Hunt S.E., Andrews T.D., Gilbert J.G.R., Swarbreck D., Ashurst J.L., Taylor A., Battles J. Rogers J.Nature 429:375-381(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [7] | Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M., Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., Turner R. Venter J.C.Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [8] | "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1), VARIANT LYS-602. Tissue: Cervix, Eye and Skin. |
| [9] | "Dynamic O-glycosylation of nuclear and cytosolic proteins: further characterization of the nucleocytoplasmic beta-N-acetylglucosaminidase, O-GlcNAcase." Wells L., Gao Y., Mahoney J.A., Vosseller K., Chen C., Rosen A., Hart G.W. J. Biol. Chem. 277:1755-1761(2002) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL PROPERTIES, SUBUNIT, PTM, SUBCELLULAR LOCATION. |
| [10] | "A quantitative atlas of mitotic phosphorylation." Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E., Elledge S.J., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-364, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [11] | "Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions." Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K., Rodionov V., Han D.K. Sci. Signal. 2:RA46-RA46(2009) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-364, MASS SPECTROMETRY. Tissue: Leukemic T-cell. |
| [12] | "Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis." Olsen J.V., Vermeulen M., Santamaria A., Kumar C., Miller M.L., Jensen L.J., Gnad F., Cox J., Jensen T.S., Nigg E.A., Brunak S., Mann M. Sci. Signal. 3:RA3-RA3(2010) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-364, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [13] | "Initial characterization of the human central proteome." Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T., Bennett K.L., Superti-Furga G., Colinge J. BMC Syst. Biol. 5:17-17(2011) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. |
| [14] | "System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation." Rigbolt K.T., Prokhorova T.A., Akimov V., Henningsen J., Johansen P.T., Kratchmarova I., Kassem M., Mann M., Olsen J.V., Blagoev B. Sci. Signal. 4:RS3-RS3(2011) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-364, MASS SPECTROMETRY. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AF036144 mRNA. Translation: AAD05385.2. AF307332 mRNA. Translation: AAG21428.1. AB014579 mRNA. Translation: BAA31654.2. Different initiation. AC010789 Genomic DNA. No translation available. CH471066 Genomic DNA. Translation: EAW49744.1. CH471066 Genomic DNA. Translation: EAW49741.1. CH471066 Genomic DNA. Translation: EAW49742.1. BC001343 mRNA. Translation: AAH01343.1. BC039583 mRNA. Translation: AAH39583.2. BC047877 mRNA. Translation: AAH47877.1. Sequence problems. |
| IPI | IPI00181391. IPI00465449. IPI00477231. |
| PIR | T00360. |
| RefSeq | NP_001135906.1. NM_001142434.1. NP_036347.1. NM_012215.3. |
| UniGene | Hs.500842. |
3D structure databases | |
| ProteinModelPortal | O60502. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | O60502. 12 interactions. |
| STRING | 9606.ENSP00000354850. |
Protein family/group databases | |
| CAZy | GH84. Glycoside Hydrolase Family 84. |
PTM databases | |
| PhosphoSite | O60502. |
Proteomic databases | |
| PaxDb | O60502. |
| PRIDE | O60502. |
Protocols and materials databases | |
| DNASU | 10724. |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000357797; ENSP00000350445; ENSG00000198408. ENST00000361464; ENSP00000354850; ENSG00000198408. ENST00000370094; ENSP00000359112; ENSG00000198408. |
| GeneID | 10724. |
| KEGG | hsa:10724. |
| UCSC | uc001ktv.2. human. uc001ktw.2. human. uc009xws.2. human. |
Organism-specific databases | |
| CTD | 10724. |
| GeneCards | GC10M103534. |
| HGNC | HGNC:7056. MGEA5. |
| HPA | HPA036141. |
| MIM | 604039. gene. |
| neXtProt | NX_O60502. |
| PharmGKB | PA30787. |
| HUGE | Search... |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | COG0454. |
| HOVERGEN | HBG053044. |
| InParanoid | O60502. |
| KO | K15719. |
| OMA | AHSGAKT. |
| OrthoDB | EOG469QT2. |
Enzyme and pathway databases | |
| BioCyc | MetaCyc:HS03036-MONOMER. |
| BRENDA | 3.2.1.35. 2681. |
Gene expression databases | |
| ArrayExpress | O60502. |
| Bgee | O60502. |
| CleanEx | HS_MGEA5. |
| Genevestigator | O60502. |
| GermOnline | ENSG00000198408. Homo sapiens. |
Family and domain databases | |
| Gene3D | 3.40.630.30. 2 hits. |
| InterPro | IPR016181. Acyl_CoA_acyltransferase. IPR011496. Beta-N-acetylglucosaminidase. IPR017853. Glycoside_hydrolase_SF. [Graphical view] |
| Pfam | PF07555. NAGidase. 1 hit. [Graphical view] |
| SUPFAM | SSF55729. Acyl_CoA_acyltransferase. 1 hit. SSF51445. Glyco_hydro_cat. 1 hit. |
| ProtoNet | Search... |
Other | |
| BindingDB | O60502. |
| ChEMBL | CHEMBL5921. |
| ChiTaRS | MGEA5. human. |
| GenomeRNAi | 10724. |
| NextBio | 40709. |
| PMAP-CutDB | O60502. |
| SOURCE | Search... |
Entry information
| Entry name | NCOAT_HUMAN | ||||||||
| Accession | Primary (citable) accession number: O60502 Secondary accession number(s): B7WPB9 Q9HAR0 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| Human chromosome 10 Human chromosome 10: entries, gene names and cross-references to MIM |
| Human entries with polymorphisms or disease mutations List of human entries with polymorphisms or disease mutations |
| Human polymorphisms and disease mutations Index of human polymorphisms and disease mutations |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |

Clusters with
