DNA (cytosine-5)-methyltransferase 3B

NameDNA (cytosine-5)-methyltransferase 3B
Synonyms
  • 2.1.1.37
  • DNA methyltransferase HsaIIIB
  • DNA MTase HsaIIIB
  • Dnmt3b
  • M.HsaIIIB
Gene NameDNMT3B
OrganismHuman
Amino acid sequence
>lcl|BSEQ0009825|DNA (cytosine-5)-methyltransferase 3B
MKGDTRHLNGEEDAGGREDSILVNGACSDQSSDSPPILEAIRTPEIRGRRSSSRLSKREV
SSLLSYTQDLTGDGDGEDGDGSDTPVMPKLFRETRTRSESPAVRTRNNNSVSSRERHRPS
PRSTRGRQGRNHVDESPVEFPATRSLRRRATASAGTPWPSPPSSYLTIDLTDDTEDTHGT
PQSSSTPYARLAQDSQQGGMESPQVEADSGDGDSSEYQDGKEFGIGDLVWGKIKGFSWWP
AMVVSWKATSKRQAMSGMRWVQWFGDGKFSEVSADKLVALGLFSQHFNLATFNKLVSYRK
AMYHALEKARVRAGKTFPSSPGDSLEDQLKPMLEWAHGGFKPTGIEGLKPNNTQPVVNKS
KVRRAGSRKLESRKYENKTRRRTADDSATSDYCPAPKRLKTNCYNNGKDRGDEDQSREQM
ASDVANNKSSLEDGCLSCGRKNPVSFHPLFEGGLCQTCRDRFLELFYMYDDDGYQSYCTV
CCEGRELLLCSNTSCCRCFCVECLEVLVGTGTAAEAKLQEPWSCYMCLPQRCHGVLRRRK
DWNVRLQAFFTSDTGLEYEAPKLYPAIPAARRRPIRVLSLFDGIATGYLVLKELGIKVGK
YVASEVCEESIAVGTVKHEGNIKYVNDVRNITKKNIEEWGPFDLVIGGSPCNDLSNVNPA
RKGLYEGTGRLFFEFYHLLNYSRPKEGDDRPFFWMFENVVAMKVGDKRDISRFLECNPVM
IDAIKVSAAHRARYFWGNLPGMNRPVIASKNDKLELQDCLEYNRIAKLKKVQTITTKSNS
IKQGKNQLFPVVMNGKEDVLWCTELERIFGFPVHYTDVSNMGRGARQKLLGRSWSVPVIR
HLFAPLKDYFACE
Number of residues853
Molecular Weight95750.18
Theoretical pINot Available
GO Classification
Functions
  • chromatin binding
  • unmethylated CpG binding
  • metal ion binding
  • DNA (cytosine-5-)-methyltransferase activity
  • DNA-methyltransferase activity
  • transcription corepressor activity
  • DNA (cytosine-5-)-methyltransferase activity, acting on CpG substrates
Processes
  • cellular response to dexamethasone stimulus
  • DNA methylation
  • DNA methylation on cytosine within a CG sequence
  • response to vitamin A
  • inactivation of X chromosome by DNA methylation
  • response to ionizing radiation
  • gene expression
  • methylation-dependent chromatin silencing
  • response to caffeine
  • protein complex localization
  • cellular response to amino acid stimulus
  • S-adenosylhomocysteine metabolic process
  • response to estradiol
  • S-adenosylmethioninamine metabolic process
  • DNA methylation on cytosine
  • negative regulation of gene expression, epigenetic
  • negative regulation of histone H3-K9 methylation
  • response to hypoxia
  • positive regulation of histone H3-K4 methylation
  • response to activity
  • regulation of gene expression, epigenetic
  • C-5 methylation of cytosine
  • negative regulation of transcription from RNA polymerase II promoter
  • response to toxic substance
  • cellular response to hyperoxia
  • response to cocaine
  • regulation of gene expression by genetic imprinting
  • positive regulation of neuron differentiation
  • response to drug
  • positive regulation of gene expression
Components
  • nucleoplasm
  • intracellular membrane-bounded organelle
  • nuclear heterochromatin
  • cytoplasm
  • nucleus
General FunctionUnmethylated cpg binding
Specific FunctionRequired for genome-wide de novo methylation and is essential for the establishment of DNA methylation patterns during development. DNA methylation is coordinated with methylation of histones. May preferentially methylates nucleosomal DNA within the nucleosome core region. May function as transcriptional co-repressor by associating with CBX4 and independently of DNA methylation. Seems to be involved in gene silencing (By similarity). In association with DNMT1 and via the recruitment of CTCFL/BORIS, involved in activation of BAG1 gene expression by modulating dimethylation of promoter histone H3 at H3K4 and H3K9. Isoforms 4 and 5 are probably not functional due to the deletion of two conserved methyltransferase motifs. Function as transcriptional corepressor by associating with ZHX1.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDQ9UBC3
UniProtKB Entry NameDNM3B_HUMAN
Cellular LocationNucleus
Gene sequence
>lcl|BSEQ0013936|DNA (cytosine-5)-methyltransferase 3B (DNMT3B)
ATGAAGGGAGACACCAGGCATCTCAATGGAGAGGAGGACGCCGGCGGGAGGGAAGACTCG
ATCCTCGTCAACGGGGCCTGCAGCGACCAGTCCTCCGACTCGCCCCCAATCCTGGAGGCT
ATCCGCACCCCGGAGATCAGAGGCCGAAGATCAAGCTCGCGACTCTCCAAGAGGGAGGTG
TCCAGTCTGCTAAGCTACACACAGGACTTGACAGGCGATGGCGACGGGGAAGATGGGGAT
GGCTCTGACACCCCAGTCATGCCAAAGCTCTTCCGGGAAACCAGGACTCGTTCAGAAAGC
CCAGCTTCCCTGAGACGGCGGGCAACAGCATCGGCAGGAACGCCATGGCCGTCCCCTCCC
AGCTCTTACCTTACCATCGACCTCACAGACGACACAGAGGACACACATGGGACGCCCCAG
AGCAGCAGTACCCCCTACGCCCGCCTAGCCCAGGACAGCCAGCAGGGGGGCATGGAGTCC
CCGCAGGTGGAGGCAGACAGTGGAGATGGAGACAGTTCAGAGTATCAGGATGGGAAGGAG
TTTGGAATAGGGGACCTCGTGTGGGGAAAGATCAAGGGCTTCTCCTGGTGGCCCGCCATG
GTGGTGTCTTGGAAGGCCACCTCCAAGCGACAGGCTATGTCTGGCATGCGGTGGGTCCAG
TGGTTTGGCGATGGCAAGTTCTCCGAGGTCTCTGCAGACAAACTGGTGGCACTGGGGCTG
TTCAGCCAGCACTTTAATTTGGCCACCTTCAATAAGCTCGTCTCCTATCGAAAAGCCATG
TACCATGCTCTGGAGAAAGCTAGGGTGCGAGCTGGCAAGACCTTCCCCAGCAGCCCTGGA
GACTCATTGGAGGACCAGCTGAAGCCCATGTTGGAGTGGGCCCACGGGGGCTTCAAGCCC
ACTGGGATCGAGGGCCTCAAACCCAACAACACGCAACCAGAGAACAAGACTCGAAGACGC
ACAGCTGACGACTCAGCCACCTCTGACTACTGCCCCGCACCCAAGCGCCTCAAGACAAAT
TGCTATAACAACGGCAAAGACCGAGGGGATGAAGATCAGAGCCGAGAACAAATGGCTTCA
GATGTTGCCAACAACAAGAGCAGCCTGGAAGATGGCTGTTTGTCTTGTGGCAGGAAAAAC
CCCGTGTCCTTCCACCCTCTCTTTGAGGGGGGGCTCTGTCAGACATGCCGGGATCGCTTC
CTTGAGCTGTTTTACATGTATGATGACGATGGCTATCAGTCTTACTGCACTGTGTGCTGC
GAGGGCCGAGAGCTGCTGCTTTGCAGCAACACGAGCTGCTGCCGGTGTTTCTGTGTGGAG
TGCCTGGAGGTGCTGGTGGGCACAGGCACAGCGGCCGAGGCCAAGCTTCAGGAGCCCTGG
AGCTGTTACATGTGTCTCCCGCAGCGCTGTCATGGCGTCCTGCGGCGCCGGAAGGACTGG
AACGTGCGCCTGCAGGCCTTCTTCACCAGTGACACGGGGCTTGAATATGAAGCCCCCAAG
CTGTACCCTGCCATTCCCGCAGCCCGAAGGCGGCCCATTCGAGTCCTGTCATTGTTTGAT
GGCATCGCGACAGGCTACCTAGTCCTCAAAGAGTTGGGCATAAAGGTAGGAAAGTACGTC
GCTTCTGAAGTGTGTGAGGAGTCCATTGCTGTTGGAACCGTGAAGCACGAGGGGAATATC
AAATACGTGAACGACGTGAGGAACATCACAAAGAAAAATATTGAAGAATGGGGCCCATTT
GACTTGGTGATTGGCGGAAGCCCATGCAACGATCTCTCAAATGTGAATCCAGCCAGGAAA
GGCCTGTATGAGGGTACAGGCCGGCTCTTCTTCGAATTTTACCACCTGCTGAATTACTCA
CGCCCCAAGGAGGGTGATGACCGGCCGTTCTTCTGGATGTTTGAGAATGTTGTAGCCATG
AAGGTTGGCGACAAGAGGGACATCTCACGGTTCCTGGAGTGTAATCCAGTGATGATTGAT
GCCATCAAAGTTTCTGCTGCTCACAGGGCCCGATACTTCTGGGGCAACCTACCCGGGATG
AACAGGATCTTTGGCTTTCCTGTGCACTACACAGACGTGTCCAACATGGGCCGTGGTGCC
CGCCAGAAGCTGCTGGGAAGGTCCTGGAGCGTGCCTGTCATCCGACACCTCTTCGCCCCT
CTGAAGGACTACTTTGCATGTGAATAG
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:2979
Chromosome Location20
LocusNot Available
References
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