ID A0A1B7MIA4_9AGAM Unreviewed; 554 AA.
AC A0A1B7MIA4;
DT 02-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2016, sequence version 1.
DT 08-NOV-2023, entry version 27.
DE RecName: Full=Histone-lysine N-methyltransferase, H3 lysine-79 specific {ECO:0000256|ARBA:ARBA00020987, ECO:0000256|RuleBase:RU271113};
DE EC=2.1.1.360 {ECO:0000256|ARBA:ARBA00012190, ECO:0000256|RuleBase:RU271113};
DE AltName: Full=Histone H3-K79 methyltransferase {ECO:0000256|ARBA:ARBA00029821, ECO:0000256|RuleBase:RU271113};
GN ORFNames=K503DRAFT_702211 {ECO:0000313|EMBL:OAX32325.1};
OS Rhizopogon vinicolor AM-OR11-026.
OC Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes;
OC Agaricomycetidae; Boletales; Suillineae; Rhizopogonaceae; Rhizopogon.
OX NCBI_TaxID=1314800 {ECO:0000313|EMBL:OAX32325.1, ECO:0000313|Proteomes:UP000092154};
RN [1] {ECO:0000313|EMBL:OAX32325.1, ECO:0000313|Proteomes:UP000092154}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AM-OR11-026 {ECO:0000313|EMBL:OAX32325.1,
RC ECO:0000313|Proteomes:UP000092154};
RG DOE Joint Genome Institute;
RA Mujic A.B., Kuo A., Tritt A., Lipzen A., Chen C., Johnson J., Sharma A.,
RA Barry K., Grigoriev I.V., Spatafora J.W.;
RT "Comparative genomics of the ectomycorrhizal sister species Rhizopogon
RT vinicolor and Rhizopogon vesiculosus (Basidiomycota: Boletales) reveals a
RT divergence of the mating type B locus.";
RL Submitted (JUN-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Histone methyltransferase that specifically trimethylates
CC histone H3 to form H3K79me3. This methylation is required for telomere
CC silencing and for the pachytene checkpoint during the meiotic cell
CC cycle by allowing the recruitment of RAD9 to double strand breaks.
CC Nucleosomes are preferred as substrate compared to free histone.
CC {ECO:0000256|RuleBase:RU271113}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-lysyl(79)-[histone H3] + 3 S-adenosyl-L-methionine = 3 H(+)
CC + N(6),N(6),N(6)-trimethyl-L-lysyl(79)-[histone H3] + 3 S-adenosyl-L-
CC homocysteine; Xref=Rhea:RHEA:60328, Rhea:RHEA-COMP:15549, Rhea:RHEA-
CC COMP:15552, ChEBI:CHEBI:15378, ChEBI:CHEBI:29969, ChEBI:CHEBI:57856,
CC ChEBI:CHEBI:59789, ChEBI:CHEBI:61961; EC=2.1.1.360;
CC Evidence={ECO:0000256|ARBA:ARBA00001569,
CC ECO:0000256|RuleBase:RU271113};
CC -!- ACTIVITY REGULATION: Ubiquitination of histone H2B to form H2BK123ub1
CC is required for efficient DOT1 methyltransferase activity on histone
CC H3. {ECO:0000256|RuleBase:RU271113}.
CC -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|ARBA:ARBA00004123,
CC ECO:0000256|RuleBase:RU271113}.
CC -!- MISCELLANEOUS: In contrast to other lysine histone methyltransferases,
CC it does not contain a SET domain, suggesting the existence of another
CC mechanism for methylation of lysine residues of histones.
CC {ECO:0000256|RuleBase:RU271113}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. DOT1 family. {ECO:0000256|RuleBase:RU271113}.
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DR EMBL; KV449045; OAX32325.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1B7MIA4; -.
DR STRING; 1314800.A0A1B7MIA4; -.
DR InParanoid; A0A1B7MIA4; -.
DR OrthoDB; 146338at2759; -.
DR Proteomes; UP000092154; Unassembled WGS sequence.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR GO; GO:0140956; F:histone H3K79 trimethyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0051726; P:regulation of cell cycle; IEA:InterPro.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR InterPro; IPR025789; DOT1_dom.
DR InterPro; IPR030445; H3-K79_meTrfase.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR PANTHER; PTHR21451; HISTONE H3 METHYLTRANSFERASE; 1.
DR PANTHER; PTHR21451:SF0; HISTONE-LYSINE N-METHYLTRANSFERASE, H3 LYSINE-79 SPECIFIC; 1.
DR Pfam; PF08123; DOT1; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS51569; DOT1; 1.
PE 3: Inferred from homology;
KW Chromatin regulator {ECO:0000256|ARBA:ARBA00022853,
KW ECO:0000256|RuleBase:RU271113};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603,
KW ECO:0000256|RuleBase:RU271113};
KW Nucleus {ECO:0000256|ARBA:ARBA00023242, ECO:0000256|RuleBase:RU271113};
KW Reference proteome {ECO:0000313|Proteomes:UP000092154};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691,
KW ECO:0000256|RuleBase:RU271113};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU271113}.
FT DOMAIN 198..542
FT /note="DOT1"
FT /evidence="ECO:0000259|PROSITE:PS51569"
FT REGION 1..103
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 221..243
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 8..25
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 221..239
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 554 AA; 62122 MW; D67C9C67541CE101 CRC64;
MKREQETTSS QAHLSPPTPV SAETSPETDE PDHHVQIAGP SKRPRILTTA PEPTLRPSKP
KKRANACRSR ASSSRAQSRQ RSETLDIEPI YRNSRSRSTS VLPPAPRHRQ LWITEDGSPG
ENFVSAASVI KTLSRSYKTY FKNLDDLSDT SFEAESYPAT ELEYPNAHAC ETYYLLAPKD
PDHYNPIMCL EQSLYTIFEC YLTPAQQALF GTLPTDFLQD VDITPPSSPL TQDSGESSPL
KLPSYDPRGT NYLRLLQRSV RRRDGPLFLS TMQTINQLLR TLKYPPLPSD AFAPAPPNVL
IEAIKSWPQS TIPDKVLMRI IDETYQRSVG PHALKLNRYE AFSSEVYGEL MPSFTSDIIA
ATGLHKDSLF MDLGCGVGNV LVQASLETCC KSYGIEVMPT PAEVGREQLR QMKKRCRMWG
LSMGEVELEE GDMLTSRRVT ELLPQADVVL VNNKVFQQPL NEALRPRFLD LKEGAIVVSL
KPFVSSLNAR VTERNVDDIS AIFDVVERPY RSGSVSWGSG GGSYYLHKVD REGYASIKQR
FENLRARSAR ASRR
//
