Reviewed,
UniProtKB/Swiss-Prot Q9Z148 (EHMT2_MOUSE)
Last modified
February 9, 2010.
Version 94.
History...
Clusters with 100%,
90%,
50% identity |
Documents (2) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 EC=2.1.1.43 Alternative name(s): Histone H3-K9 methyltransferase 3 Short name=H3-K9-HMTase 3 Euchromatic histone-lysine N-methyltransferase 2 HLA-B-associated transcript 8 Protein G9a | ||||
| Gene names |
| ||||
| Organism | Mus musculus (Mouse) | ||||
| Taxonomic identifier | 10090 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Rodentia › Sciurognathi › Muroidea › Muridae › Murinae › Mus |
Protein attributes
| Sequence length | 1263 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level. |
General annotation (Comments)
| Function | Histone methyltransferase. Preferentially methylates 'Lys-9' of histone H3 and 'Lys-27' of histone H3 (in vitro). H3 'Lys-9' methylation represents a specific tag for epigenetic transcriptional repression by recruiting HP1 proteins to methylated histones. Also methylates histone H1. |
| Catalytic activity | S-adenosyl-L-methionine + L-lysine-[histone] = S-adenosyl-L-homocysteine + N(6)-methyl-L-lysine-[histone]. |
| Subunit structure | Part of the E2F6.com-1 complex in G0 phase composed of E2F6, MGA, MAX, TFDP1, CBX3, BAT8, EUHMTASE1, RING1, RNF2, MBLR, GFI1B, L3MBTL2 and YAF2 By similarity. Interacts with WIZ and EHMT1. Ref.7 |
| Subcellular location | Nucleus. Note: Almost excluded form nucleoli. Associates with euchromatic regions. Does not associate with heterochromatin. Ref.6 |
| Domain | The SET domain mediates interaction with WIZ. |
| Disruption phenotype | Mice show a higher level of histone H3 with acetylated 'Lys-9' and/or methylated 'Lys-4', display severe developmental defects and die within E9.5-E12.5 stages. Ref.1 |
| Sequence similarities | Belongs to the histone-lysine methyltransferase family. Suvar3-9 subfamily. Contains 7 ANK repeats. Contains 1 post-SET domain. Contains 1 pre-SET domain. Contains 1 SET domain. |
| Caution | NG36 and G9a were originally thought to derive from two separate genes. |
| Sequence caution | The sequence AAC84164.1 differs from that shown. Reason: Erroneous gene model prediction. The sequence AAC84165.1 differs from that shown. Reason: Erroneous gene model prediction. |
Ontologies
Alternative products
| This entry describes 3 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: Q9Z148-1) Also known as: G9a-L; 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: Q9Z148-2) Also known as: G9a-S; The sequence of this isoform differs from the canonical sequence as follows: 1-57: Missing. 58-71: AGLTGPPVPCLPSQ → MAAAAGAAAAAAAE 426-459: Missing. | ||||||
| Isoform 3 (identifier: Q9Z148-3) The sequence of this isoform differs from the canonical sequence as follows: 1-57: Missing. 58-71: AGLTGPPVPCLPSQ → MAAAAGAAAAAAAE |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 1263 | 1263 | Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 | PRO_0000186069 | |||||
Regions | |||||||||
| Repeat | 702 – 731 | 30 | ANK 1 | ||||||
| Repeat | 737 – 766 | 30 | ANK 2 | ||||||
| Repeat | 770 – 799 | 30 | ANK 3 | ||||||
| Repeat | 803 – 833 | 31 | ANK 4 | ||||||
| Repeat | 837 – 866 | 30 | ANK 5 | ||||||
| Repeat | 870 – 899 | 30 | ANK 6 | ||||||
| Repeat | 903 – 932 | 30 | ANK 7 | ||||||
| Domain | 1025 – 1088 | 64 | Pre-SET | ||||||
| Domain | 1090 – 1212 | 123 | SET | ||||||
| Domain | 1217 – 1233 | 17 | Post-SET | ||||||
| Region | 1101 – 1103 | 3 | S-adenosyl-L-methionine binding By similarity | ||||||
| Region | 1165 – 1166 | 2 | S-adenosyl-L-methionine binding By similarity | ||||||
| Compositional bias | 352 – 379 | 28 | Poly-Glu | ||||||
Sites | |||||||||
| Metal binding | 1027 | 1 | Zinc 1 By similarity | ||||||
| Metal binding | 1027 | 1 | Zinc 2 By similarity | ||||||
| Metal binding | 1029 | 1 | Zinc 1 By similarity | ||||||
| Metal binding | 1033 | 1 | Zinc 1 By similarity | ||||||
| Metal binding | 1033 | 1 | Zinc 3 By similarity | ||||||
| Metal binding | 1038 | 1 | Zinc 1 By similarity | ||||||
| Metal binding | 1040 | 1 | Zinc 2 By similarity | ||||||
| Metal binding | 1070 | 1 | Zinc 2 By similarity | ||||||
| Metal binding | 1070 | 1 | Zinc 3 By similarity | ||||||
| Metal binding | 1074 | 1 | Zinc 2 By similarity | ||||||
| Metal binding | 1076 | 1 | Zinc 3 By similarity | ||||||
| Metal binding | 1080 | 1 | Zinc 3 By similarity | ||||||
| Metal binding | 1168 | 1 | Zinc 4 By similarity | ||||||
| Metal binding | 1221 | 1 | Zinc 4 By similarity | ||||||
| Metal binding | 1223 | 1 | Zinc 4 By similarity | ||||||
| Metal binding | 1228 | 1 | Zinc 4 By similarity | ||||||
| Binding site | 1138 | 1 | S-adenosyl-L-methionine By similarity | ||||||
Amino acid modifications | |||||||||
| Modified residue | 193 | 1 | Phosphoserine By similarity | ||||||
| Modified residue | 285 | 1 | Phosphoserine By similarity | ||||||
| Modified residue | 298 | 1 | Phosphoserine By similarity | ||||||
| Modified residue | 608 | 1 | Phosphothreonine Ref.8 | ||||||
| Modified residue | 1263 | 1 | Phosphothreonine By similarity | ||||||
Natural variations | |||||||||
| Alternative sequence | 1 – 57 | 57 | Missing in isoform 2 and isoform 3. | VSP_002214 | |||||
| Alternative sequence | 58 – 71 | 14 | AGLTG…CLPSQ → MAAAAGAAAAAAAE in isoform 2 and isoform 3. | VSP_002215 | |||||
| Alternative sequence | 426 – 459 | 34 | Missing in isoform 2. | VSP_002216 | |||||
Experimental info | |||||||||
| Mutagenesis | 1162 | 1 | R → H: Strongly reduces histone methyltransferase activity. Ref.6 | ||||||
| Mutagenesis | 1165 – 1168 | 4 | Missing: Abolishes histone methyltransferase activity and subsequent repression. Ref.1 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "G9a histone methyltransferase plays a dominant role in euchromatic histone H3 lysine 9 methylation and is essential for early embryogenesis." Tachibana M., Sugimoto K., Nozaki M., Ueda J., Ohta T., Ohki M., Fukuda M., Takeda N., Niida H., Kato H., Shinkai Y. Genes Dev. 16:1779-1791(2002) [PubMed: 12130538] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS 1 AND 2), MUTAGENESIS OF 1165-ASN--CYS-1168, DISRUPTION PHENOTYPE. |
| [2] | "Analysis of the gene-dense major histocompatibility complex class III region and its comparison to mouse." Xie T., Rowen L., Aguado B., Ahearn M.E., Madan A., Qin S., Campbell R.D., Hood L. Genome Res. 13:2621-2636(2003) [PubMed: 14656967] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 129. |
| [3] | "Lineage-specific biology revealed by a finished genome assembly of the mouse." Church D.M., Goodstadt L., Hillier L.W., Zody M.C., Goldstein S., She X., Bult C.J., Agarwala R., Cherry J.L., DiCuccio M., Hlavina W., Kapustin Y., Meric P., Maglott D., Birtle Z., Marques A.C., Graves T., Zhou S. Ponting C.P.PLoS Biol. 7:E1000112-E1000112(2009) [PubMed: 19468303] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: C57BL/6. |
| [4] | "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: 15489334] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 3). Tissue: Mammary tumor. |
| [5] | "Novel NG36/G9a gene products encoded within the human and mouse MHC class III regions." Brown S.E., Campbell R.D., Sanderson C.M. Mamm. Genome 12:916-924(2001) [PubMed: 11707778] [Abstract] Cited for: ALTERNATIVE SPLICING (ISOFORM 2). |
| [6] | "Set domain-containing protein, G9a, is a novel lysine-preferring mammalian histone methyltransferase with hyperactivity and specific selectivity to lysines 9 and 27 of histone H3." Tachibana M., Sugimoto K., Fukushima T., Shinkai Y. J. Biol. Chem. 276:25309-25317(2001) [PubMed: 11316813] [Abstract] Cited for: ENZYME ACTIVITY, SUBCELLULAR LOCATION, MUTAGENESIS OF ARG-1162. |
| [7] | "Zinc finger protein Wiz links G9a/GLP histone methyltransferases to the co-repressor molecule CtBP." Ueda J., Tachibana M., Ikura T., Shinkai Y. J. Biol. Chem. 281:20120-20128(2006) [PubMed: 16702210] [Abstract] Cited for: INTERACTION WITH WIZ AND EHMT1. |
| [8] | "Large-scale phosphorylation analysis of mouse liver." Villen J., Beausoleil S.A., Gerber S.A., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 104:1488-1493(2007) [PubMed: 17242355] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-608, MASS SPECTROMETRY. Tissue: Liver. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AF109906 Genomic DNA. Translation: AAC84164.1. Sequence problems. AF109906 Genomic DNA. Translation: AAC84165.1. Sequence problems. AB077209 mRNA. Translation: BAC05482.1. AB077210 mRNA. Translation: BAC05483.1. CT025759 Genomic DNA. Translation: CAM27791.1. BC025539 mRNA. Translation: AAH25539.1. Different initiation. BC058357 mRNA. Translation: AAH58357.1. Different initiation. |
| IPI | IPI00170261. IPI00230523. IPI00515297. |
| RefSeq | NP_665829.1. NP_671493.1. |
| UniGene | Mm.35345 |
3D structure databases | |
| SMR | Q9Z148. Positions 678-943, 706-948, 735-961, 975-1245. |
| ModBase | Search... |
Protein-protein interaction databases | |
| DIP | DIP-46358N. DIP-46359N. |
| IntAct | Q9Z148. 3 interactions. |
| STRING | Q9Z148. |
PTM databases | |
| PhosphoSite | Q9Z148. |
Proteomic databases | |
| PRIDE | Q9Z148. |
Genome annotation databases | |
| Ensembl | ENSMUST00000013931; ENSMUSP00000013931; ENSMUSG00000013787; Mus musculus. [Genome view] ENSMUST00000078061; ENSMUSP00000077208; ENSMUSG00000013787; Mus musculus. [Genome view] ENSMUST00000114033; ENSMUSP00000109667; ENSMUSG00000013787; Mus musculus. [Genome view] |
| GeneID | 110147. |
| KEGG | mmu:110147. |
| UCSC | uc008ceb.1. mouse. uc008cec.1. mouse. uc008ced.1. mouse. |
Organism-specific databases | |
| CTD | 110147. |
| MGI | MGI:2148922. Ehmt2. |
Phylogenomic databases | |
| HOVERGEN | Q9Z148. |
| PhylomeDB | Q9Z148. |
Enzyme and pathway databases | |
| BRENDA | 2.1.1.43. 244. |
Gene expression databases | |
| ArrayExpress | Q9Z148. |
| Bgee | Q9Z148. |
| CleanEx | MM_EHMT2. |
| Genevestigator | Q9Z148. |
| GermOnline | ENSMUSG00000013787. Mus musculus. |
Family and domain databases | |
| InterPro | IPR002110. Ankyrin_rpt. IPR020683. Ankyrin_rpt-contain_dom. IPR003616. Post-SET_dom. IPR007728. Pre-SET_dom. IPR003606. Pre-SET_Zn_bd_sub. IPR001214. SET_dom. [Graphical view] |
| Gene3D | G3DSA:1.25.40.20. ANK. 1 hit. |
| Pfam | PF00023. Ank. 4 hits. PF05033. Pre-SET. 1 hit. PF00856. SET. 1 hit. [Graphical view] |
| SMART | SM00248. ANK. 6 hits. SM00508. PostSET. 1 hit. SM00468. PreSET. 1 hit. SM00317. SET. 1 hit. [Graphical view] |
| PROSITE | PS50297. ANK_REP_REGION. 1 hit. PS50088. ANK_REPEAT. 5 hits. PS50868. POST_SET. False negative. PS50867. PRE_SET. 1 hit. PS50280. SET. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other Resources | |
| NextBio | 363413. |
| SOURCE | Search... |
Entry information
| Entry name | EHMT2_MOUSE | ||||||||
| Accession | Primary (citable) accession number: Q9Z148 Secondary accession number(s): A2CG75 Q9Z149 | ||||||||
| Entry history |
| ||||||||
| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | HPI (Human Proteome Initiative) | ||||||||
Relevant documents
| MGD cross-references Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot |
| SIMILARITY comments Index of protein domains and families |

Clusters with


