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Protein

Histone H2A.J

Gene

H2A-IX

Organism
Gallus gallus (Chicken)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

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

Names & Taxonomyi

Protein namesi
Recommended name:
Histone H2A.J
Short name:
H2a/j
Alternative name(s):
Histone H2A-IX
Gene namesi
Name:H2A-IX
OrganismiGallus gallus (Chicken)
Taxonomic identifieri9031 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiArchelosauriaArchosauriaDinosauriaSaurischiaTheropodaCoelurosauriaAvesNeognathaeGalloanseraeGalliformesPhasianidaePhasianinaeGallus
Proteomesi
  • UP000000539 Componenti: Unplaced

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 methionineiRemovedBy similarity
ChainiPRO_00003442512 – 129Histone H2A.JAdd BLAST128

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei2N-acetylserineBy similarity1
Modified residuei2PhosphoserineBy similarity1
Modified residuei6N6-acetyllysineBy similarity1
Cross-linki14Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity
Cross-linki16Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity
Modified residuei105N5-methylglutamineBy similarity1
Cross-linki120Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity

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
Phosphorylation on Ser-2 is enhanced during mitosis. Phosphorylation on Ser-2 directly represses transcription (By similarity).By similarity

Keywords - PTMi

Acetylation, Isopeptide bond, Methylation, Phosphoprotein, Ubl conjugation

Proteomic databases

PaxDbiP70082
PRIDEiP70082

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

BioGridi679225, 2 interactors
STRINGi9031.ENSGALP00000019172

Structurei

3D structure databases

ProteinModelPortaliP70082
SMRiP70082
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the histone H2A family.Curated

Phylogenomic databases

eggNOGiKOG1756 Eukaryota
COG5262 LUCA
HOGENOMiHOG000234652
HOVERGENiHBG009342
InParanoidiP70082
KOiK11251
PhylomeDBiP70082

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.

P70082-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSGRGKQGGK VRAKAKSRSS RAGLQFPVGR VHRLLRKGNY AERVGAGAPV
60 70 80 90 100
YMAAVLEYLT AEILELAGNA ARDNKKTRII PRHLQLAIRN DEELNKLLGK
110 120
VTIAQGGVLP NIQAVLLPKK TESHKAKSK
Length:129
Mass (Da):14,016
Last modified:February 1, 1997 - v1
Checksum:iE28AE20D0B531900
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U38934 Genomic DNA Translation: AAC60009.1
RefSeqiNP_001025924.1, NM_001030753.1
UniGeneiGga.32145

Genome annotation databases

GeneIDi417947
KEGGigga:417947

Similar proteinsi

Entry informationi

Entry nameiH2AJ_CHICK
AccessioniPrimary (citable) accession number: P70082
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 22, 2008
Last sequence update: February 1, 1997
Last modified: March 28, 2018
This is version 111 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
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Main funding by: National Institutes of Health