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Table 1 The function of m6A methylation enzymes in RNA metabolism

From: m6A-regulated tumor glycolysis: new advances in epigenetics and metabolism

Type

Regulator

Function

Ref

Writers

METTL3

Catalyzes m6A methylation

[26]

 

METTL14

Recognizes target RNAs and stabilizes METTL3

[29]

 

WTAP

Regulatory subunit of m6A methyltransferase

[31]

 

RBM15

Recruits METTL3 and WTAP to specific RNA sites

[33]

 

VIRMA

Locates the m6A methyltransferase complex near the 3’UTR and stop codon regions of RNAs

[34]

 

Hakai

Maintains the stability of m6A methyltransferase complex

[35]

 

ZC3H13

Anchors WTAP in the nucleus to enhance m6A modification

[36]

 

METTL16

Catalyzes m6A methylation

[38]

 

METTL5

Induce the m6A methylation of 18 S rRNA

[42]

 

ZCCHC4

Induce the m6A methylation of 28 S rRNA

[43]

Erasers

FTO

Removes m6A from RNAs

[45]

 

ALKBH3

Removes m6A from RNAs

[46]

 

ALKBH5

Removes m6A from RNAs

[46]

Readers

YTHDF1

Promotes mRNA translation initiation

[49]

 

YTHDF2

Promotes mRNA degradation

[49]

 

YTHDF3

Interacts with YTHDF1 to promote mRNA translation or interacts with YTHDF2 to promote mRNA degradation

[49]

 

YTHDC1

Promotes mRNA splicing and regulates RNA nuclear export

[53]

 

YTHDC2

Improves the translation efficiency of target mRNA

[54]

 

HNRNPA2B1

Promotes primary miRNA processing

[55]

 

HNRNPC/G

Interacts with m6A-modifed mRNA

[56, 57]

 

HNPNPR

Associates with m6A modification

[58]

 

IGF2BP1-3

Promotes the stability and translation of mRNA

[59]

 

NKAP

Promotes the splicing and maturation of mRNA

[60]

 

eIF3

Promotes mRNA translation

[61]