UniProtKB - Q09357 (MET16_CAEEL)
U6 small nuclear RNA (adenine-(43)-N(6))-methyltransferase
mett-10
Functioni
RNA N6-methyltransferase that methylates adenosine residues at the N6 position of a subset of RNAs and is involved in S-adenosyl-L-methionine homeostasis by regulating splicing of S-adenosylmethionine synthase transcripts (sams-3, sams-4 and sams-5) (PubMed:33930289).
Able to N6-methylate a subset of mRNAs containing the 5'UACAGAAAC-3' nonamer sequence (PubMed:33930289).
Plays a key role in S-adenosyl-L-methionine homeostasis: under rich-diet conditions, catalyzes N6-methylation of S-adenosylmethionine synthase mRNAs (sams-3, sams-4 and sams-5), directly inhibiting splicing and protein production of S-adenosylmethionine synthase (PubMed:33930289).
In addition to mRNAs, also able to mediate N6-methylation of U6 small nuclear RNA (U6 snRNA) (PubMed:33930289).
Required for gamete production, inhibiting germ cell proliferative fate and ensuring germ cell meiotic development (PubMed:19596901, PubMed:19752194).
Also promotes progression of the mitotic cell cycle in those germ cells that continue to proliferate (PubMed:19596901, PubMed:19752194).
Plays a role in the development of the vulva, somatic gonad and embryo (PubMed:19596901).
3 PublicationsCatalytic activityi
- adenosine in mRNA + S-adenosyl-L-methionine = H+ + N6-methyladenosine in mRNA + S-adenosyl-L-homocysteine1 PublicationEC:2.1.1.3481 PublicationThis reaction proceeds in the forward1 Publication direction.
- adenosine in U6 snRNA + S-adenosyl-L-methionine = H+ + N6-methyladenosine in U6 snRNA + S-adenosyl-L-homocysteine1 PublicationEC:2.1.1.3461 PublicationThis reaction proceeds in the forward1 Publication direction.
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Binding sitei | 82 | S-adenosyl-L-methionineBy similarity | 1 | |
Binding sitei | 108 | S-adenosyl-L-methionine; via carbonyl oxygenBy similarity | 1 | |
Binding sitei | 131 | S-adenosyl-L-methionineBy similarity | 1 | |
Binding sitei | 164 | S-adenosyl-L-methionineBy similarity | 1 | |
Binding sitei | 184 | S-adenosyl-L-methionineBy similarity | 1 |
GO - Molecular functioni
- 23S rRNA (adenine(1618)-N(6))-methyltransferase activity Source: GO_Central
- mRNA (N6-adenosine)-methyltransferase activity Source: UniProtKB
- U6 snRNA (adenine-(43)-N(6))-methyltransferase activity Source: UniProtKB
GO - Biological processi
- cell division Source: UniProtKB-KW
- centrosome cycle Source: WormBase
- embryo development ending in birth or egg hatching Source: WormBase
- meiotic cell cycle Source: UniProtKB-KW
- negative regulation of mRNA splicing, via spliceosome Source: UniProtKB
- posttranscriptional regulation of gene expression Source: UniProtKB
- rRNA base methylation Source: GO_Central
- vulval development Source: WormBase
Keywordsi
Molecular function | Methyltransferase, Transferase |
Biological process | Cell cycle, Cell division, Meiosis, Mitosis |
Ligand | S-adenosyl-L-methionine |
Enzyme and pathway databases
SignaLinki | Q09357 |
Names & Taxonomyi
Protein namesi | |
Gene namesi | ORF Names:ZK1128.2Imported |
Organismi | Caenorhabditis elegans |
Taxonomic identifieri | 6239 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Ecdysozoa › Nematoda › Chromadorea › Rhabditida › Rhabditina › Rhabditomorpha › Rhabditoidea › Rhabditidae › Peloderinae › Caenorhabditis |
Proteomesi |
|
Organism-specific databases
WormBasei | ZK1128.2a ; CE31860 ; WBGene00014228 ; mett-10 ZK1128.2b ; CE31861 ; WBGene00014228 ; mett-10 |
Subcellular locationi
Nucleus
- Nucleus 2 Publications
Note: Accumulates in nuclei as cells enter meiosis (PubMed:19596901, PubMed:19752194). During meiotic prophase, expression is predominantly nuclear, but does not co-localize with DNA (PubMed:19596901). Recruited to the nucleus by dlc-1, a component of the dynein complex (PubMed:19752194).2 Publications
Nucleus
- nucleus Source: WormBase
Keywords - Cellular componenti
NucleusPathology & Biotechi
Mutagenesis
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Mutagenesisi | 1 – 260 | Missing in ok2204; at 25 degrees Celsius animals are either sterile or maternal-effect lethal, display a protruding vulva phenotype, and germ cells have abnormalities in meiotic development and mitotic progression; when associated with E-292. Enhanced nuclear proliferation defects in germ cells in a weak loss of function dhc-1 (js319) mutant background; when associated with E-292. 2 PublicationsAdd BLAST | 260 | |
Mutagenesisi | 110 | G → R in oj32; at 25 degrees Celsius animals are either sterile or maternal-effect lethal and display a protruding vulva phenotype. Enhanced nuclear proliferation defects in germ cells in a weak loss of function dhc-1 (js319) mutant background. 2 Publications | 1 | |
Mutagenesisi | 240 – 392 | Missing in tm2697; at 25 degrees Celsius animals are either sterile or maternal-effect lethal and display a protruding vulva phenotype. Enhanced nuclear proliferation defects in germ cells in a weak loss of function dhc-1 (js319) mutant background. 2 PublicationsAdd BLAST | 153 | |
Mutagenesisi | 263 | G → D in g38; at 25 degrees Celsius animals are either sterile or maternal-effect lethal and display a protruding vulva phenotype. Enhanced nuclear proliferation defects in germ cells in a weak loss of function dhc-1 (js319) mutant background. 2 Publications | 1 | |
Mutagenesisi | 276 – 479 | Missing in oz36; at 25 degrees Celsius animals are either sterile or maternal-effect lethal, display a protruding vulva phenotype, a distended intestinal lumen, tumor formation, and germ cells have abnormalities in meiotic development. Enhanced tumor formation in weak loss of function dhc-1 (or195) or dhc-1 (js319) mutant backgrounds. Enhanced nuclear proliferation defects in germ cells in a weak loss of function dhc-1 (js319) mutant background. 2 PublicationsAdd BLAST | 204 | |
Mutagenesisi | 292 | G → E in ok2204; at 25 degrees Celsius animals are either sterile or maternal-effect lethal, display a protruding vulva phenotype, and germ cells have abnormalities in meiotic development and mitotic progression; when associated with 1-M--T-260 DEL. Enhanced nuclear proliferation defects in germ cells in a weak loss of function dhc-1 (js319) mutant background; when associated with 1-M--T-260 DEL. 2 Publications | 1 | |
Mutagenesisi | 361 – 367 | Missing : Does not block nuclear entry. Blocks nuclear entry, and results in cytoplasmic localization of the mutant mett-10 protein; when associated with A-420; A-421; A-423 and A-424. 1 Publication | 7 | |
Mutagenesisi | 420 | D → A: Abolishes binding to dlc-1. Reduces nuclear accumulation of mett-10; when associated with A-421; A-423 and A-424. Blocks nuclear entry, and results in cytoplasmic localization of the mutant mett-10 protein; when associated with 361-A--A-367 DEL; A-421; A-423 and A-424. 1 Publication | 1 | |
Mutagenesisi | 421 | N → A: Reduces binding to dlc-1. Abolishes binding to dlc-1, and reduces nuclear accumulation of mett-10; when associated with A-420; A-423 and A-424. Blocks nuclear entry, and results in cytoplasmic localization of the mutant mett-10 protein; when associated with 361-A--A-367 DEL; A-420; A-423 and A-424. 1 Publication | 1 | |
Mutagenesisi | 423 | S → A: Reduces binding to dlc-1. Abolishes binding to dlc-1, and reduces nuclear accumulation of mett-10; when associated with A-420; A-421 and A-424. Blocks nuclear entry, and results in cytoplasmic localization of the mutant mett-10 protein; when associated with 361-A--A-367 DEL; A-420; A-421 and A-424. 1 Publication | 1 | |
Mutagenesisi | 424 | Q → A: Reduces binding to dlc-1. Abolishes binding to dlc-1, and reduces nuclear accumulation of mett-10; when associated with A-420; A-421 and A-423. Blocks nuclear entry, and results in cytoplasmic localization of the mutant mett-10 protein; when associated with 361-A--A-367 DEL; A-420; A-421 and A-423. 1 Publication | 1 | |
Mutagenesisi | 426 | Y → A: Does not affect dlc-1 binding. 1 Publication | 1 | |
Mutagenesisi | 427 | F → A: Does not affect dlc-1 binding. 1 Publication | 1 |
PTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000218021 | 1 – 479 | U6 small nuclear RNA (adenine-(43)-N(6))-methyltransferaseAdd BLAST | 479 |
Proteomic databases
PaxDbi | Q09357 |
Expressioni
Tissue specificityi
Gene expression databases
Bgeei | WBGene00014228, Expressed in multi-cellular organism and 5 other tissues |
Interactioni
Subunit structurei
Protein-protein interaction databases
BioGRIDi | 56058, 7 interactors |
IntActi | Q09357, 1 interactor |
STRINGi | 6239.ZK1128.2a |
Family & Domainsi
Region
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Regioni | 420 – 424 | Involved in dlc-1 binding1 Publication | 5 |
Sequence similaritiesi
Phylogenomic databases
eggNOGi | KOG2912, Eukaryota |
GeneTreei | ENSGT00390000016694 |
HOGENOMi | CLU_027534_0_0_1 |
InParanoidi | Q09357 |
OMAi | HWWIPDG |
OrthoDBi | 1358504at2759 |
PhylomeDBi | Q09357 |
Family and domain databases
InterProi | View protein in InterPro IPR017182, METTL16/PsiM IPR010286, METTL16/RlmF IPR029063, SAM-dependent_MTases |
PANTHERi | PTHR13393, PTHR13393, 1 hit |
Pfami | View protein in Pfam PF05971, Methyltransf_10, 1 hit |
PIRSFi | PIRSF037350, Mtase_ZK1128_prd, 1 hit |
SUPFAMi | SSF53335, SSF53335, 1 hit |
s (2)i Sequence
Sequence statusi: Complete.
This entry describes 2 produced by isoformsialternative splicing. AlignAdd to basketThis isoform has been chosen as the sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. canonicali
10 20 30 40 50
MSQNNEMHPR NPYRNKPPDF KALAVEYPEF RKFCQYVSNG KVTFDFKKDA
60 70 80 90 100
AVRCLTQTLL KKDFNLDVEI PPGHLVPRVP QKLNYCLLID DLLKANKLTK
110 120 130 140 150
NVIGIDIGTG TSCIHALIGA RQFNWKFIAT DGDEKSVRVA HENVAKNGLS
160 170 180 190 200
SSICVVHVNP DVKTVLMDVV NTIPDTDYAF CMCNPPFFEK GNGDDKFCED
210 220 230 240 250
ISSSTETYSN RVASEFRTAP HSATFASSAE LFVDGGEVAF VNRIIDDSVL
260 270 280 290 300
LRDRIKIYTT MIGRKSSLKP LQNRLQRFGD DVKIMISVLN QGKTKRWMLA
310 320 330 340 350
WTFSKSVSLT TIDRPISFQC PKPGLTRLMQ EISILNGRLR QEDTLAIVAE
360 370 380 390 400
FKCVTWTNQR ARKRAKAILS ESSIKKAKWN FSNVACQVAF GAGDGKDSYT
410 420 430 440 450
DAGNFVSSES IPTNNLNAWD NASQAYFPLP NGEVPGPIIR IRIQVFSEDS
460 470
YDSISFELIS GSKQHLHQLV QYLKNLICR
Alternative sequence
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Alternative sequenceiVSP_007120 | 105 – 119 | Missing in isoform b. CuratedAdd BLAST | 15 |
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | Z47357 Genomic DNA Translation: CAA87421.2 Z47357 Genomic DNA Translation: CAD54175.1 |
PIRi | T27693 |
RefSeqi | NP_499247.2, NM_066846.4 NP_871660.1, NM_181931.6 [Q09357-2] |
Genome annotation databases
EnsemblMetazoai | ZK1128.2a.1; ZK1128.2a.1; WBGene00014228 [Q09357-1] ZK1128.2b.1; ZK1128.2b.1; WBGene00014228 [Q09357-2] |
GeneIDi | 191526 |
UCSCi | ZK1128.2b, c. elegans [Q09357-1] |
Keywords - Coding sequence diversityi
Alternative splicingSimilar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | Z47357 Genomic DNA Translation: CAA87421.2 Z47357 Genomic DNA Translation: CAD54175.1 |
PIRi | T27693 |
RefSeqi | NP_499247.2, NM_066846.4 NP_871660.1, NM_181931.6 [Q09357-2] |
3D structure databases
SMRi | Q09357 |
ModBasei | Search... |
Protein-protein interaction databases
BioGRIDi | 56058, 7 interactors |
IntActi | Q09357, 1 interactor |
STRINGi | 6239.ZK1128.2a |
Proteomic databases
PaxDbi | Q09357 |
Genome annotation databases
EnsemblMetazoai | ZK1128.2a.1; ZK1128.2a.1; WBGene00014228 [Q09357-1] ZK1128.2b.1; ZK1128.2b.1; WBGene00014228 [Q09357-2] |
GeneIDi | 191526 |
UCSCi | ZK1128.2b, c. elegans [Q09357-1] |
Organism-specific databases
CTDi | 191526 |
WormBasei | ZK1128.2a ; CE31860 ; WBGene00014228 ; mett-10 ZK1128.2b ; CE31861 ; WBGene00014228 ; mett-10 |
Phylogenomic databases
eggNOGi | KOG2912, Eukaryota |
GeneTreei | ENSGT00390000016694 |
HOGENOMi | CLU_027534_0_0_1 |
InParanoidi | Q09357 |
OMAi | HWWIPDG |
OrthoDBi | 1358504at2759 |
PhylomeDBi | Q09357 |
Enzyme and pathway databases
SignaLinki | Q09357 |
Miscellaneous databases
PROi | PR:Q09357 |
Gene expression databases
Bgeei | WBGene00014228, Expressed in multi-cellular organism and 5 other tissues |
Family and domain databases
InterProi | View protein in InterPro IPR017182, METTL16/PsiM IPR010286, METTL16/RlmF IPR029063, SAM-dependent_MTases |
PANTHERi | PTHR13393, PTHR13393, 1 hit |
Pfami | View protein in Pfam PF05971, Methyltransf_10, 1 hit |
PIRSFi | PIRSF037350, Mtase_ZK1128_prd, 1 hit |
SUPFAMi | SSF53335, SSF53335, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | MET16_CAEEL | |
Accessioni | Q09357Primary (citable) accession number: Q09357 Secondary accession number(s): Q8I4B2 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | November 1, 1997 |
Last sequence update: | April 11, 2003 | |
Last modified: | February 23, 2022 | |
This is version 136 of the entry and version 2 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Caenorhabditis annotation project |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- Caenorhabditis elegans
Caenorhabditis elegans: entries, gene names and cross-references to WormBase - SIMILARITY comments
Index of protein domains and families