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Entry version 111 (07 Apr 2021)
Sequence version 2 (03 Apr 2007)
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Protein

Histone-lysine N-methyltransferase KMT5B

Gene

kmt5b

Organism
Danio rerio (Zebrafish) (Brachydanio rerio)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at transcript leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Histone methyltransferase that specifically methylates monomethylated 'Lys-20' (H4K20me1) and dimethylated 'Lys-20' (H4K20me2) of histone H4 to produce respectively dimethylated 'Lys-20' (H4K20me2) and trimethylated 'Lys-20' (H4K20me3) and thus regulates transcription and maintenance of genome integrity. In vitro also methylates unmodified 'Lys-20' (H4K20me0) of histone H4 and nucleosomes (By similarity). H4 'Lys-20' trimethylation represents a specific tag for epigenetic transcriptional repression. Mainly functions in pericentric heterochromatin regions, thereby playing a central role in the establishment of constitutive heterochromatin in these regions. KMT5B is targeted to histone H3 via its interaction with RB1 family proteins (RB1, RBL1 and RBL2) (By similarity). Plays a role in myogenesis by regulating the expression of target genes, such as EID3. Facilitates TP53BP1 foci formation upon DNA damage and proficient non-homologous end-joining (NHEJ)-directed DNA repair by catalyzing the di- and trimethylation of 'Lys-20' of histone H4 (By similarity). May play a role in class switch reconbination by catalyzing the di- and trimethylation of 'Lys-20' of histone H4 (By similarity).By similarity

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei96S-adenosyl-L-methionineBy similarity1
Binding sitei185S-adenosyl-L-methionine; via amide nitrogen and carbonyl oxygenBy similarity1
Binding sitei232S-adenosyl-L-methionineBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the 'Description' field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi250ZincBy similarity1
Metal bindingi294ZincBy similarity1
Binding sitei295S-adenosyl-L-methionine; via amide nitrogenBy similarity1
Metal bindingi296ZincBy similarity1
Metal bindingi299ZincBy similarity1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionChromatin regulator, Methyltransferase, Repressor, Transferase
Biological processMyogenesis, Transcription, Transcription regulation
LigandMetal-binding, S-adenosyl-L-methionine, Zinc

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Histone-lysine N-methyltransferase KMT5BCurated
Alternative name(s):
Lysine-specific methyltransferase 5BBy similarity
Suppressor of variegation 4-20 homolog 1
Short name:
Su(var)4-20 homolog 1
Short name:
Suv4-20h1
[histone H4]-N-methyl-L-lysine20 N-methyltransferase KMT5BCurated (EC:2.1.1.362By similarity)
[histone H4]-lysine20 N-methyltransferase KMT5BCurated (EC:2.1.1.361By similarity)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:kmt5bBy similarity
Synonyms:suv420h1
ORF Names:si:dkey-12e7.2, zgc:103527
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiDanio rerio (Zebrafish) (Brachydanio rerio)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri7955 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiActinopterygiiNeopterygiiTeleosteiOstariophysiCypriniformesDanionidaeDanioninaeDanio
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000437 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 18

Organism-specific databases

Zebrafish Information Network genome database

More...
ZFINi
ZDB-GENE-041114-22, kmt5b

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Keywords - Cellular componenti

Chromosome, Nucleus

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00002817901 – 808Histone-lysine N-methyltransferase KMT5BAdd BLAST808

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q5U3H2

PRoteomics IDEntifications database

More...
PRIDEi
Q5U3H2

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSDARG00000041081, Expressed in retina and 33 other tissues

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
7955.ENSDARP00000060190

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q5U3H2

Database of comparative protein structure models

More...
ModBasei
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini168 – 283SETPROSITE-ProRule annotationAdd BLAST116

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni178 – 181S-adenosyl-L-methionine bindingBy similarity4
Regioni247 – 248S-adenosyl-L-methionine bindingBy similarity2

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG2589, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000156431

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_328991_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q5U3H2

Identification of Orthologs from Complete Genome Data

More...
OMAi
TKLQHAG

Database of Orthologous Groups

More...
OrthoDBi
236983at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q5U3H2

TreeFam database of animal gene trees

More...
TreeFami
TF106433

Family and domain databases

Conserved Domains Database

More...
CDDi
cd19184, SET_KMT5B, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.10.10.1700, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR041938, Hist-Lys_N-MTase_N
IPR044424, KMT5B_SET
IPR001214, SET_dom
IPR039977, Suv4-20/Set9
IPR025790, Suv4-20_animal

The PANTHER Classification System

More...
PANTHERi
PTHR12977, PTHR12977, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00856, SET, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00317, SET, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51570, SAM_MT43_SUVAR420_2, 1 hit
PS50280, SET, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequence (1+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

This entry has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

Q5U3H2-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MGESKNMVLN GRRHGRKFSS NQPVSKSRLQ NTQRSHLRQN KGSPSVRRCS
60 70 80 90 100
RRCGGAPPEA ERRHVPSSGM TAKELCEYDD LSTSLILDPY LGFQTHKMNT
110 120 130 140 150
RFRPIKGRQR ELREIIELFK KHDNLEKAFQ ALTSGDWTRH HFLNKTKSQE
160 170 180 190 200
KLFKAHVFVY LRMFASDSGF EILSCNRYSS EQNGAKIVAT KDWKRNDKIE
210 220 230 240 250
HLVGCIAELS PSEERMLLRH GENDFSVMYS TRKNCAQLWL GPAAFINHDC
260 270 280 290 300
RPNCKFVSTG RDTACVKVLR DIEPGEEISC YYGDGFFGEN NEFCECYTCE
310 320 330 340 350
RRGTGAFKSK PGLPVEAPVI NSKYGLRETD KRLNRLKKLG ESCRNSDSQS
360 370 380 390 400
VSSNAEADSQ EPTTVQTSLR KRTSQSCVKK HGEAKAVTRQ TLSSTPSSTS
410 420 430 440 450
SSKRSQANIS SLPKRLKSKP TQTLSKGRRR CRGLWTKGSS RVSASGNLKE
460 470 480 490 500
SSRRDTDRRR SASKGSVARS SENNRSSSKG ASPCKDSTLC PYRTRRSTRT
510 520 530 540 550
SLGAQGAEGT EASNHPASPS IVLKSEPGEF IPVTLGHQMS TPSLDSSCPK
560 570 580 590 600
KGTCPRRRRT VKQEDSYGES FVQEGVPDLR HAVRAADVAD CGKVVLGLPD
610 620 630 640 650
RHQHYNGSSK SSKALRRGKG KKKRQITRYD AQLILQNNSG IPKITLRRRR
660 670 680 690 700
DSSSSKNEPR ETSSSSSSKI SIKFSKEHEK DRSSSYVAKL NNGFSHGPHS
710 720 730 740 750
SSTKLKIQLK REEDPASLHR TYPEDVTLGI VQRDAADVLD HKAAAQVGQD
760 770 780 790 800
MEVESMSSED DDDDYFDNED DFIPLPPAKR LRLIVGKDSI DIDISSRRRE

DQSLRLNA
Length:808
Mass (Da):90,438
Last modified:April 3, 2007 - v2
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i11510B288E3195B0
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
A0A2R8Q309A0A2R8Q309_DANRE
[histone H4]-N-methyl-L-lysine20 N-...
kmt5b
807Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti535L → P in AAH85544 (Ref. 2) Curated1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
BX571884 Genomic DNA Translation: CAK05146.1
BC085544 mRNA Translation: AAH85544.1

NCBI Reference Sequences

More...
RefSeqi
NP_001007338.1, NM_001007337.2
XP_017207456.1, XM_017351967.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSDART00000060191; ENSDARP00000060190; ENSDARG00000041081

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
572849

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dre:572849

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BX571884 Genomic DNA Translation: CAK05146.1
BC085544 mRNA Translation: AAH85544.1
RefSeqiNP_001007338.1, NM_001007337.2
XP_017207456.1, XM_017351967.1

3D structure databases

SMRiQ5U3H2
ModBaseiSearch...

Protein-protein interaction databases

STRINGi7955.ENSDARP00000060190

Proteomic databases

PaxDbiQ5U3H2
PRIDEiQ5U3H2

Genome annotation databases

EnsembliENSDART00000060191; ENSDARP00000060190; ENSDARG00000041081
GeneIDi572849
KEGGidre:572849

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
51111
ZFINiZDB-GENE-041114-22, kmt5b

Phylogenomic databases

eggNOGiKOG2589, Eukaryota
GeneTreeiENSGT00940000156431
HOGENOMiCLU_328991_0_0_1
InParanoidiQ5U3H2
OMAiTKLQHAG
OrthoDBi236983at2759
PhylomeDBiQ5U3H2
TreeFamiTF106433

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q5U3H2

Gene expression databases

BgeeiENSDARG00000041081, Expressed in retina and 33 other tissues

Family and domain databases

CDDicd19184, SET_KMT5B, 1 hit
Gene3Di1.10.10.1700, 1 hit
InterProiView protein in InterPro
IPR041938, Hist-Lys_N-MTase_N
IPR044424, KMT5B_SET
IPR001214, SET_dom
IPR039977, Suv4-20/Set9
IPR025790, Suv4-20_animal
PANTHERiPTHR12977, PTHR12977, 1 hit
PfamiView protein in Pfam
PF00856, SET, 1 hit
SMARTiView protein in SMART
SM00317, SET, 1 hit
PROSITEiView protein in PROSITE
PS51570, SAM_MT43_SUVAR420_2, 1 hit
PS50280, SET, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiKMT5B_DANRE
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q5U3H2
Secondary accession number(s): Q1LWF0
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 3, 2007
Last sequence update: April 3, 2007
Last modified: April 7, 2021
This is version 111 of the entry and version 2 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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