KMT5B
Histone-lysine N-methyltransferase KMT5B
Also known as: CGI-85, KMT5B_HUMAN, SUV420H1
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q4FZB7
- Gene
- KMT5B
- Ensembl
- ENSG00000110066
- Chromosome
- 11
- Canonical length
- 885 aa
- Protein class
- Disease related genes, Enzymes, Human disease related genes, Metabolic proteins, Plasma proteins, Potential drug targets, Predicted intracellular proteins
- Subcellular location
- Nucleoplasm,Nucleoli fibrillar center,Plasma membrane,Microtubules,Cytokinetic bridge,Mitotic spindle,Primary cilium,Centrosome,Basal body,Cytoplasmic bodies
- Quaternary structure
- Homodimer
OverviewNCBI Gene
This gene encodes a protein that contains a SET domain. SET domains appear to be protein-protein interaction domains that mediate interactions with a family of proteins that display similarity with dual-specificity phosphatases (dsPTPases). The function of this gene has not been determined. Several alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2014]
Canonical amino-acid sequenceUniProt
885 residues, UniProt reviewed canonical sequence.
>Q4FZB7|KMT5B
1 MKWLGESKNM VVNGRRNGGK LSNDHQQNQS KLQHTGKDTL KAGKNAVERR SNRCNGNSGF
61 EGQSRYVPSS GMSAKELCEN DDLATSLVLD PYLGFQTHKM NTSAFPSRSS RHFSKSDSFS
121 HNNPVRFRPI KGRQEELKEV IERFKKDEHL EKAFKCLTSG EWARHYFLNK NKMQEKLFKE
181 HVFIYLRMFA TDSGFEILPC NRYSSEQNGA KIVATKEWKR NDKIELLVGC IAELSEIEEN
241 MLLRHGENDF SVMYSTRKNC AQLWLGPAAF INHDCRPNCK FVSTGRDTAC VKALRDIEPG
301 EEISCYYGDG FFGENNEFCE CYTCERRGTG AFKSRVGLPA PAPVINSKYG LRETDKRLNR
361 LKKLGDSSKN SDSQSVSSNT DADTTQEKNN ATSNRKSSVG VKKNSKSRTL TRQSMSRIPA
421 SSNSTSSKLT HINNSRVPKK LKKPAKPLLS KIKLRNHCKR LEQKNASRKL EMGNLVLKEP
481 KVVLYKNLPI KKDKEPEGPA QAAVASGCLT RHAAREHRQN PVRGAHSQGE SSPCTYITRR
541 SVRTRTNLKE ASDIKLEPNT LNGYKSSVTE PCPDSGEQLQ PAPVLQEEEL AHETAQKGEA
601 KCHKSDTGMS KKKSRQGKLV KQFAKIEEST PVHDSPGKDD AVPDLMGPHS DQGEHSGTVG
661 VPVSYTDCAP SPVGCSVVTS DSFKTKDSFR TAKSKKKRRI TRYDAQLILE NNSGIPKLTL
721 RRRHDSSSKT NDQENDGMNS SKISIKLSKD HDNDNNLYVA KLNNGFNSGS GSSSTKLKIQ
781 LKRDEENRGS YTEGLHENGV CCSDPLSLLE SRMEVDDYSQ YEEESTDDSS SSEGDEEEDD
841 YDDDFEDDFI PLPPAKRLRL IVGKDSIDID ISSRRREDQS LRLNALocalizationUniProt · AlphaFold · HPA
Whether an antibody against KMT5B can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.56
- Highest tissue expression
- 27 nTPM
Expression across tissuesHPA
Tissue
- thyroid gland: 27 nTPM
- cerebellum: 25 nTPM
- retina: 25 nTPM
- breast: 24 nTPM
- thymus: 23 nTPM
- endometrium: 22 nTPM
Single-cell type
- neutrophils: 257 nCPM
- myonuclei: 193 nCPM
- adrenal cortex cells: 177 nCPM
- thyrotrophs: 172 nCPM
- lactotrophs: 169 nCPM
- corticotrophs: 162 nCPM
Immune cell
- eosinophil: 16 nTPM
- basophil: 12 nTPM
- NK-cell: 10 nTPM
- neutrophil: 9.6 nTPM
- naive CD8 T-cell: 5.7 nTPM
- non-classical monocyte: 5.5 nTPM
Brain region
- cerebellum: 36 nTPM
- white matter: 28 nTPM
- basal ganglia: 25 nTPM
- hypothalamus: 24 nTPM
- amygdala: 23 nTPM
- cerebral cortex: 23 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about KMT5B.
Disease | AllUniProt
Conditions KMT5B is implicated in, by any mechanism.
- Intellectual developmental disorder, autosomal dominant 51 (MRD51) MIM:617788
Disease | GeneticClinVar
75 pathogenic / likely-pathogenic of 267 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Intellectual disability, autosomal dominant 51
- Inborn genetic diseases
- Intellectual disability
- See cases
- Neural tube defect
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.08
- gnomAD pLI
- 1
- DepMap mean gene effect
- -0.38
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 8% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- DNA repair
- methylation
- muscle organ development
- positive regulation of double-strand break repair via nonhomologous end joining
- positive regulation of isotype switching
Molecular functions
- chromatin binding
- histone H4 methyltransferase activity
- histone H4K20 methyltransferase activity
- histone H4K20 monomethyltransferase activity
- histone H4K20me methyltransferase activity
- histone methyltransferase activity
- metal ion binding
- S-adenosyl-L-methionine binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of KMT5B in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads KMT5B as an antibody target. Whether an autoantibody or antibody against KMT5B could matter depends on whether native KMT5B is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
KMT5B is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label KMT5B as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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