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Protein

Histone H2A.J

Gene

H2afj

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionDNA-binding

Enzyme and pathway databases

ReactomeiR-MMU-201722 Formation of the beta-catenin:TCF transactivating complex
R-MMU-212300 PRC2 methylates histones and DNA
R-MMU-2299718 Condensation of Prophase Chromosomes
R-MMU-2559580 Oxidative Stress Induced Senescence
R-MMU-2559582 Senescence-Associated Secretory Phenotype (SASP)
R-MMU-2559586 DNA Damage/Telomere Stress Induced Senescence
R-MMU-3214858 RMTs methylate histone arginines
R-MMU-427359 SIRT1 negatively regulates rRNA expression
R-MMU-427413 NoRC negatively regulates rRNA expression
R-MMU-5250924 B-WICH complex positively regulates rRNA expression
R-MMU-5578749 Transcriptional regulation by small RNAs
R-MMU-5625886 Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3
R-MMU-606279 Deposition of new CENPA-containing nucleosomes at the centromere
R-MMU-73728 RNA Polymerase I Promoter Opening
R-MMU-8936459 RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function
R-MMU-9018519 Estrogen-dependent gene expression

Names & Taxonomyi

Protein namesi
Recommended name:
Histone H2A.J
Short name:
H2a/j
Gene namesi
Name:H2afj
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
Proteomesi
  • UP000000589 Componenti: Chromosome 6

Organism-specific databases

MGIiMGI:3606192 H2afj

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Chromosome, Nucleosome core, Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemovedCurated
ChainiPRO_00003442492 – 129Histone H2A.JAdd BLAST128

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei6N6-acetyllysineCombined sources1
Modified residuei10N6-acetyllysineCombined sources1
Modified residuei105N5-methylglutamineBy similarity1
Modified residuei121Phosphothreonine; by DCAF1By similarity1

Post-translational modificationi

Monoubiquitination of Lys-120 (H2AXK119ub) gives a specific tag for epigenetic transcriptional repression. Following DNA double-strand breaks (DSBs), it is ubiquitinated through 'Lys-63' linkage of ubiquitin moieties (By similarity).By similarity
Glutamine methylation at Gln-105 (H2AQ104me) by FBL is specifically dedicated to polymerase I. It is present at 35S ribosomal DNA locus and impairs binding of the FACT complex (By similarity).By similarity
Phosphorylation on Ser-2 (H2AS1ph) is enhanced during mitosis. Phosphorylation on Ser-2 by RPS6KA5/MSK1 directly represses transcription. Acetylation of H3 inhibits Ser-2 phosphorylation by RPS6KA5/MSK1. Phosphorylation at Thr-121 (H2AT120ph) by DCAF1 is present in the regulatory region of many tumor suppresor genes and down-regulates their transcription (By similarity).By similarity

Keywords - PTMi

Acetylation, Isopeptide bond, Methylation, Phosphoprotein, Ubl conjugation

Proteomic databases

MaxQBiQ8R1M2
PaxDbiQ8R1M2
PeptideAtlasiQ8R1M2
PRIDEiQ8R1M2
TopDownProteomicsiQ8R1M2

PTM databases

iPTMnetiQ8R1M2
PhosphoSitePlusiQ8R1M2
SwissPalmiQ8R1M2

Expressioni

Gene expression databases

BgeeiENSMUSG00000060032
ExpressionAtlasiQ8R1M2 baseline and differential
GenevisibleiQ8R1M2 MM

Interactioni

Subunit structurei

The nucleosome is a histone octamer containing two molecules each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and two H2A-H2B heterodimers. The octamer wraps approximately 147 bp of DNA.

GO - Molecular functioni

Protein-protein interaction databases

BioGridi231262, 1 interactor
STRINGi10090.ENSMUSP00000074142

Structurei

3D structure databases

ProteinModelPortaliQ8R1M2
SMRiQ8R1M2
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the histone H2A family.Curated

Phylogenomic databases

eggNOGiKOG1756 Eukaryota
COG5262 LUCA
GeneTreeiENSGT00910000143981
HOGENOMiHOG000234652
HOVERGENiHBG009342
InParanoidiQ8R1M2
KOiK11251
OMAiHAYLYSA
OrthoDBiEOG091G0XGD
PhylomeDBiQ8R1M2
TreeFamiTF300137

Family and domain databases

CDDicd00074 H2A, 1 hit
Gene3Di1.10.20.10, 1 hit
InterProiView protein in InterPro
IPR009072 Histone-fold
IPR002119 Histone_H2A
IPR007125 Histone_H2A/H2B/H3
IPR032454 Histone_H2A_C
IPR032458 Histone_H2A_CS
PfamiView protein in Pfam
PF00125 Histone, 1 hit
PF16211 Histone_H2A_C, 1 hit
PRINTSiPR00620 HISTONEH2A
SMARTiView protein in SMART
SM00414 H2A, 1 hit
SUPFAMiSSF47113 SSF47113, 1 hit
PROSITEiView protein in PROSITE
PS00046 HISTONE_H2A, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q8R1M2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSGRGKQGGK VRAKAKSRSS RAGLQFPVGR VHRLLRKGNY AERVGAGAPV
60 70 80 90 100
YLAAVLEYLT AEILELAGNA ARDNKKTRII PRHLQLAIRN DEELNKLLGR
110 120
VTIAQGGVLP NIQAVLLPKK TESQKVKSK
Length:129
Mass (Da):14,045
Last modified:June 1, 2002 - v1
Checksum:iE35049621B5DFCCC
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AK053755 mRNA Translation: BAC35508.1
BC024397 mRNA Translation: AAH24397.1
BC099606 mRNA Translation: AAH99606.1
CCDSiCCDS20654.1
RefSeqiNP_808356.1, NM_177688.4
UniGeneiMm.154564

Genome annotation databases

EnsembliENSMUST00000074556; ENSMUSP00000074142; ENSMUSG00000060032
GeneIDi232440
KEGGimmu:232440
UCSCiuc009eme.1 mouse

Similar proteinsi

Entry informationi

Entry nameiH2AJ_MOUSE
AccessioniPrimary (citable) accession number: Q8R1M2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 22, 2008
Last sequence update: June 1, 2002
Last modified: May 23, 2018
This is version 137 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
  2. SIMILARITY comments
    Index of protein domains and families

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