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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC 2.1.1.346

Accepted Name
U6 snRNA m(6)A methyltransferase.
Reaction catalysed
S-adenosyl-L-methionine + adenine in U6 snRNA <=> S-adenosyl-L-homocysteine + N(6)-methyladenine in U6 snRNA
Comment(s)
  • This enzyme, found in vertebrates, methylates a specific adenine in a hairpin structure of snRNA.
  • The effects of the binding of the methyltransferase to its substrate is important for the regulation of the activity of an isoform of EC 2.5.1.6, that produces S-adenosyl-L-methionine.
  • The enzyme also binds (and maybe methylates) the lncRNAs XIST and MALAT1 as well as a number of pre-mRNAs at specific positions often found in the intronic regions.
Cross-references
BRENDA2.1.1.346
EC2PDB2.1.1.346
ExplorEnz2.1.1.346
PRIAM enzyme-specific profiles2.1.1.346
KEGG Ligand Database for Enzyme Nomenclature2.1.1.346
IUBMB Enzyme Nomenclature2.1.1.346
IntEnz2.1.1.346
MEDLINEFind literature relating to 2.1.1.346
MetaCyc2.1.1.346
UniProtKB/Swiss-Prot
Q61J97, MET16_CAEBR;  Q09357, MET16_CAEEL;  Q5ZIA0, MET16_CHICK;  
Q6DC64, MET16_DANRE;  Q554C9, MET16_DICDI;  Q7K3B9, MET16_DROME;  
Q290Z2, MET16_DROPS;  Q86W50, MET16_HUMAN;  Q9CQG2, MET16_MOUSE;  
Q6GR37, MET16_XENLA;  O42662, MTL16_SCHPO;  

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.1.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.1.-.-
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