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Protein

Histone H2B

Gene

H2B

Organism
Leishmania infantum
Status
Unreviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at transcript 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.SAAS annotation

GO - Molecular functioni

Complete GO annotation...

Keywords - Ligandi

DNA-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Histone H2BUniRule annotation
Gene namesi
Name:H2BImported
OrganismiLeishmania infantumImported
Taxonomic identifieri5671 [NCBI]
Taxonomic lineageiEukaryotaEuglenozoaKinetoplastidaTrypanosomatidaeLeishmaniinaeLeishmania

Subcellular locationi

  • Chromosome SAAS annotation
  • Nucleus UniRule annotationSAAS annotation

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Chromosome, Nucleosome coreUniRule annotationSAAS annotation, NucleusUniRule annotationSAAS annotation

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.UniRule annotationSAAS annotation

Protein-protein interaction databases

STRINGi435258.XP_001463598.1.

Structurei

3D structure databases

ProteinModelPortaliO02612.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini14 – 88HistoneInterPro annotationAdd BLAST75

Sequence similaritiesi

Belongs to the histone H2B family.UniRule annotationSAAS annotation

Phylogenomic databases

eggNOGiKOG1744. Eukaryota.
ENOG4111NV5. LUCA.

Family and domain databases

Gene3Di1.10.20.10. 1 hit.
InterProiIPR009072. Histone-fold.
IPR007125. Histone_H2A/H2B/H3.
IPR000558. Histone_H2B.
[Graphical view]
PANTHERiPTHR23428. PTHR23428. 1 hit.
PfamiPF00125. Histone. 1 hit.
[Graphical view]
PRINTSiPR00621. HISTONEH2B.
SMARTiSM00427. H2B. 1 hit.
[Graphical view]
SUPFAMiSSF47113. SSF47113. 1 hit.
PROSITEiPS00357. HISTONE_H2B. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

O02612-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MASSRSAPRK ASHAHKSHRK PKRSWNVYVG RSLKAINAQM SMSHRTMSIV
60 70 80 90 100
NSYVNDVMER ICMEAASIVR ANKKRTLGAR EVQTAVRIVL PAELAKHAMA
110
EGTKAVSSAS A
Length:111
Mass (Da):12,159
Last modified:July 1, 1997 - v1
Checksum:iF7E828E2B15C08FA
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y13396 mRNA. Translation: CAA73826.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y13396 mRNA. Translation: CAA73826.1.

3D structure databases

ProteinModelPortaliO02612.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi435258.XP_001463598.1.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Phylogenomic databases

eggNOGiKOG1744. Eukaryota.
ENOG4111NV5. LUCA.

Family and domain databases

Gene3Di1.10.20.10. 1 hit.
InterProiIPR009072. Histone-fold.
IPR007125. Histone_H2A/H2B/H3.
IPR000558. Histone_H2B.
[Graphical view]
PANTHERiPTHR23428. PTHR23428. 1 hit.
PfamiPF00125. Histone. 1 hit.
[Graphical view]
PRINTSiPR00621. HISTONEH2B.
SMARTiSM00427. H2B. 1 hit.
[Graphical view]
SUPFAMiSSF47113. SSF47113. 1 hit.
PROSITEiPS00357. HISTONE_H2B. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiO02612_LEIIN
AccessioniPrimary (citable) accession number: O02612
Entry historyi
Integrated into UniProtKB/TrEMBL: July 1, 1997
Last sequence update: July 1, 1997
Last modified: July 6, 2016
This is version 91 of the entry and version 1 of the sequence. [Complete history]
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.