SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO04592
Pre Gene Modal
BGIBMGA005487
Annotation
PREDICTED:_methyltransferase-like_protein_16_[Papilio_xuthus]
Full name
U6 small nuclear RNA (adenine-(43)-N(6))-methyltransferase       + More
RNA N6-adenosine-methyltransferase mettl16      
Alternative Name
Methyltransferase 10 domain-containing protein
Methyltransferase-like protein 16
N6-adenosine-methyltransferase METTL16
U6 small nuclear RNA (adenine-(43)-N(6))-methyltransferase
Location in the cell
Nuclear   Reliability : 2.964
 

Sequence

CDS
ATGGCAATGAATAGATTTATGCACCCTCGAAATATATATAAAACTCCACCGGACTTCATTCAATTGGCCAAAGATTTCTCAGAATTTTCAAAGATTACAAAAACTGATGTTACGGGGAAGGTTACTATTGACTTCAAAGACCCTCAATCACTGCGCGTATTAACTAAATGTTTGTTGAAAAAAGATTTTAACCTAGATGTGGAAATCCCATCAGATAGACTTGTACCCACACTTCCTTTAAGACTTAATTATATTTTGTGGATAGAAGATATATTGGCTGCTGTTGAAATATTCACAGATGTAAAGGGTTTAGATATAGGTACAGGAGCTTGTGCCATTTATCCACTGCTGGCAGCTGTAAAAAACCAATGGCTTATGTATGGTACAGAAACTGATGCAAACAGTTTGAAAGTAGCACAAGAAAATATACAAAAAAATAATCTCCAGGACTTAATAAAATTAAAAATAAACACCACAAGTTCTATAATTGATTATTTATTCACTGAAAATGAAACTGTATACTATGATTTTTGTATGTGCAACCCACCATTTTATAGTACAATGATGGAATTATGGGAGTCTAGGAGCCCAGCAAGACCTCCTCCTAAAAATGGTTTCACTGGATCACCTCAAGAATTAATAACTGAAGGTGGTGAATTAGAATTTTGTAGGAAACTTATTGCTGAGAGCAAAAAATATTGCTATAACATTTTAATCTTCACATCAATGATTGGTCACAAGTTTAATTTGGCTCAACTTATCGATGATTTGAAGTCAGATAATATTAATTATACACATACGGAGTTTTGTCAAGGACGAGTAACCAGATGGGGATTAGCTTGGACATTTCACGATTATGATCTACTGCAACTACTTCCCCCAAGAGATAAACCAAGAAAAAAGATTCAACCACTAGTTTTTCTTTTACCGGAACTTCCGAATTGTACATATGACTTAGCATCCGCTTCAAACAAAGTCAAAACCATTTTAGATAGATTAGGAATCGCTTATGAAGTTGTTGAAAAAAGAGGGAACACTATAAAAATAGATATGGTAGCAAAAGTAAATACGTGGTCTAACCAACGAAGAAAAAGACGTCAAGAAAAAAGGATGCAAGAAGAAACGGACGTAAAGAAGATGAAAAGTAATAATTTAGAATTAAATGATATGAAAAATGGTAGTTTTGAGATAACTGAAAATACTAGTTCACATGTACAAAGTAATGCAGAATTAGTTGTAAATAAGGTAATTGAAAAAAACAATGAAGACTCTAATGCAGTTAGAAGCACAGAATCAGAGCAAGAAGGATTATTAGGAATACAAGTACGTGCAGTTTTAAAAATATTCAAAAAAGATAATGAAATTCTGCTTGAAACAGAGTTCATCAATGGTACTTTAGGTAAAGAAGGATTGCATCAGATTGTACAGTTTATTAAAAATAATTGGAAATAA
Protein
MAMNRFMHPRNIYKTPPDFIQLAKDFSEFSKITKTDVTGKVTIDFKDPQSLRVLTKCLLKKDFNLDVEIPSDRLVPTLPLRLNYILWIEDILAAVEIFTDVKGLDIGTGACAIYPLLAAVKNQWLMYGTETDANSLKVAQENIQKNNLQDLIKLKINTTSSIIDYLFTENETVYYDFCMCNPPFYSTMMELWESRSPARPPPKNGFTGSPQELITEGGELEFCRKLIAESKKYCYNILIFTSMIGHKFNLAQLIDDLKSDNINYTHTEFCQGRVTRWGLAWTFHDYDLLQLLPPRDKPRKKIQPLVFLLPELPNCTYDLASASNKVKTILDRLGIAYEVVEKRGNTIKIDMVAKVNTWSNQRRKRRQEKRMQEETDVKKMKSNNLELNDMKNGSFEITENTSSHVQSNAELVVNKVIEKNNEDSNAVRSTESEQEGLLGIQVRAVLKIFKKDNEILLETEFINGTLGKEGLHQIVQFIKNNWK

Summary

Description
RNA N6-methyltransferase that methylates adenosine residues of a subset of RNAs and plays a key role in S-adenosyl-L-methionine homeostasis by regulating expression of MAT2A transcripts. Able to N6-methylate a subset of mRNAs and U6 small nuclear RNAs (U6 snRNAs). In contrast to the METTL3-METTL14 heterodimer, only able to methylate a limited number of RNAs: requires both a 5'UACAGAGAA-3' nonamer sequence and a specific RNA structure. In presence of S-adenosyl-L-methionine, binds the 3'-UTR region of MAT2A mRNA and specifically N6-methylates the first hairpin of MAT2A mRNA, impairing MAT2A expression. In S-adenosyl-L-methionine-limiting conditions, binds the 3'-UTR region of MAT2A mRNA but stalls due to the lack of a methyl donor, preventing N6-methylation and promoting expression of MAT2A. In addition to mRNAs, also able to mediate N6-methylation of U6 small nuclear RNA (U6 snRNA): specifically N6-methylates adenine in position 43 of U6 snRNAs.
RNA N6-methyltransferase that methylates adenosine residues at the N(6) position of a subset of RNAs and is involved in S-adenosyl-L-methionine homeostasis by regulating expression of MAT2A transcripts. Able to N6-methylate a subset of mRNAs and U6 small nuclear RNAs (U6 snRNAs). In contrast to the METTL3-METTL14 heterodimer, only able to methylate a limited number of RNAs: requires both a 5'UACAGAGAA-3' nonamer sequence and a specific RNA structure. Plays a key role in S-adenosyl-L-methionine homeostasis by mediating N6-methylation of MAT2A mRNAs, altering splicing and/or stability of MAT2A transcripts: in presence of S-adenosyl-L-methionine, binds the 3'-UTR region of MAT2A mRNA and specifically N6-methylates the first hairpin of MAT2A mRNA, impairing MAT2A expression. In S-adenosyl-L-methionine-limiting conditions, binds the 3'-UTR region of MAT2A mRNA but stalls due to the lack of a methyl donor, preventing N6-methylation and promoting expression of MAT2A. In addition to mRNAs, also able to mediate N6-methylation of U6 small nuclear RNA (U6 snRNA): specifically N6-methylates adenine in position 43 of U6 snRNAs.
Catalytic Activity
adenosine in U6 snRNA + S-adenosyl-L-methionine = H(+) + N(6)-methyladenosine in U6 snRNA + S-adenosyl-L-homocysteine
adenosine in mRNA + S-adenosyl-L-methionine = H(+) + N(6)-methyladenosine in mRNA + S-adenosyl-L-homocysteine
Similarity
Belongs to the methyltransferase superfamily. METTL16/RlmF family.
Keywords
Complete proteome   Methyltransferase   Nucleus   Reference proteome   RNA-binding   S-adenosyl-L-methionine   Transferase  
Feature
chain  RNA N6-adenosine-methyltransferase mettl16
EC Number
2.1.1.-
EMBL
ODYU01013104    SOQ59789.1    RSAL01000041    RVE50846.1    KQ459595    KPI95582.1    + More
NWSH01005989    PCG63764.1    KQ461154    KPJ08512.1    AGBW02000920    OWR55736.1    JTDY01000457    KOB77084.1    DS497866    EFA12179.1    GEZM01025343    JAV87504.1    GEBQ01030383    JAT09594.1    APGK01045628    KB741037    ENN74657.1    BT128189    AEE63150.1    GECU01002187    JAT05520.1    GECZ01010714    JAS59055.1    JH818292    EKC19969.1    KB632319    ERL92297.1    UFQS01000339    UFQT01000339    SSX02995.1    SSX23362.1    UFQT01002815    SSX34097.1    CAAE01015036    CAG11398.1    PYGN01000132    PSN53309.1    KK853109    KDR11241.1    DS232489    EDS42506.1    BX324162    JW865943    AFO98460.1    BC078220    AXCM01021994    GFDL01013222    JAV21823.1    APCN01002416    JT416108    AHH41931.1    AERX01052037    AJWK01032233    DS232239    EDS38153.1    GDAY02001400    JAV50027.1    CH477579    EAT38740.1    GDIP01010221    JAM93494.1    GBKD01001249    JAG46369.1    GDHC01003533    JAQ15096.1    LRGB01000024    KZS21810.1    GBKC01002080    JAG43990.1    AFYH01008542    AFYH01008543    AFYH01008544    HAED01009731    HAEE01006528    SBQ95943.1    GL732545    EFX80911.1    HAEH01003546    HAEI01008240    SBS04494.1    AKHW03006231    KYO22452.1    CP026245    AWO99059.1    HADW01001232    HADX01005149    SBP02632.1    HAEA01004432    SBQ32912.1    HADZ01017609    SBP81550.1    HADY01001243    HAEJ01008161    SBP39728.1   
Pfam
PF05971   Methyltransf_10        + More
PF00505   HMG_box
PF15247   SLBP_RNA_bind
PF00439   Bromodomain
Interpro
IPR017182   METTL16/PsiM        + More
IPR010286   METTL16/RlmF       
IPR029063   SAM-dependent_MTases       
IPR036910   HMG_box_dom_sf       
IPR009071   HMG_box_dom       
IPR038294   SLBP_RNA_bind_sf       
IPR029344   SLBP_RNA_bind       
IPR002052   DNA_methylase_N6_adenine_CS       
IPR036427   Bromodomain-like_sf       
IPR001487   Bromodomain       
SUPFAM
SSF53335   SSF53335        + More
SSF47095   SSF47095       
SSF47370   SSF47370       
Gene 3D
PDB
6DU5     E-value=3.42772e-71,     Score=683

Ontologies

Topology

Subcellular location
Nucleus  
Length:
483
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.0890799999999999
Exp number, first 60 AAs:
0
Total prob of N-in:
0.01017
outside
1  -  483
 
 

Population Genetic Test Statistics

Pi
174.063015
Theta
14.26429
Tajima's D
1.000093
CLR
0
CSRT
0.668016599170042
Interpretation
Uncertain
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