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A1CJ09

- H2B_ASPCL

UniProt

A1CJ09 - H2B_ASPCL

Protein

Histone H2B

Gene

htb1

Organism
Aspergillus clavatus (strain ATCC 1007 / CBS 513.65 / DSM 816 / NCTC 3887 / NRRL 1)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 43 (01 Oct 2014)
      Sequence version 1 (23 Jan 2007)
      Previous versions | rss
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    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

    1. DNA binding Source: UniProtKB-KW

    GO - Biological processi

    1. nucleosome assembly Source: InterPro

    Keywords - Ligandi

    DNA-binding

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Histone H2B
    Gene namesi
    Name:htb1
    ORF Names:ACLA_033360
    OrganismiAspergillus clavatus (strain ATCC 1007 / CBS 513.65 / DSM 816 / NCTC 3887 / NRRL 1)
    Taxonomic identifieri344612 [NCBI]
    Taxonomic lineageiEukaryotaFungiDikaryaAscomycotaPezizomycotinaEurotiomycetesEurotiomycetidaeEurotialesAspergillaceaeAspergillus
    ProteomesiUP000006701: Unassembled WGS sequence

    Subcellular locationi

    Nucleus By similarity. Chromosome By similarity

    GO - Cellular componenti

    1. nucleosome Source: UniProtKB-KW
    2. nucleus Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Chromosome, Nucleosome core, Nucleus

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Initiator methioninei1 – 11RemovedBy similarity
    Chaini2 – 140139Histone H2BPRO_0000297845Add
    BLAST

    Amino acid modifications

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Modified residuei8 – 81N6-acetyllysine; alternateBy similarity
    Cross-linki8 – 8Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO); alternateBy similarity
    Modified residuei9 – 91N6-acetyllysine; alternateBy similarity
    Cross-linki9 – 9Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO); alternateBy similarity
    Modified residuei15 – 151N6-acetyllysineBy similarity
    Modified residuei25 – 251N6-acetyllysine; alternateBy similarity
    Cross-linki25 – 25Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO); alternateBy similarity
    Cross-linki26 – 26Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO)By similarity
    Cross-linki134 – 134Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity

    Post-translational modificationi

    Monoubiquitinated by the ubc2-bre1 complex to form H2BK123ub1. H2BK123ub1 gives a specific tag for epigenetic transcriptional activation and is also prerequisite for H3K4me and H3K79me formation. H2BK123ub1 also modulates the formation of double-strand breaks during meiosis and is a prerequisite for DNA-damage checkpoint activation By similarity.By similarity
    Acetylated by gcn5 to form H2BK11ac and H2BK16ac. H2BK16ac can also be formed by esa1. Acetylation of N-terminal lysines and particularly formation of H2BK11acK16ac has a positive effect on transcription By similarity.By similarity
    Sumoylation to form H2BK6su or H2BK7su, and probably also H2BK16su or H2BK17su, occurs preferentially near the telomeres and represses gene transcription.By similarity

    Keywords - PTMi

    Acetylation, Isopeptide bond, Ubl conjugation

    Proteomic databases

    PRIDEiA1CJ09.

    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.

    Protein-protein interaction databases

    STRINGi5057.CADACLAP00004000.

    Structurei

    3D structure databases

    ProteinModelPortaliA1CJ09.
    SMRiA1CJ09. Positions 18-138.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the histone H2B family.Curated

    Phylogenomic databases

    eggNOGiNOG289161.
    HOGENOMiHOG000231213.
    KOiK11252.
    OMAiRITRRET.
    OrthoDBiEOG7WHHPK.

    Family and domain databases

    Gene3Di1.10.20.10. 1 hit.
    InterProiIPR009072. Histone-fold.
    IPR007125. Histone_core_D.
    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.

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

    A1CJ09-1 [UniParc]FASTAAdd to Basket

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    MPPKAAEKKP STGGKAPAGK APAEKKEAGK KTAAAASGDK KKRGKTRKET    50
    YSSYIYKVLK QVHPDTGIST RAMSILNSFV NDIFERVATE ASKLAAYNKK 100
    STISSREIQT SVRLILPGEL AKHAVSEGTK AVTKYSSSAK 140
    Length:140
    Mass (Da):14,941
    Last modified:January 23, 2007 - v1
    Checksum:i6F7B92E3C01F2376
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    DS027056 Genomic DNA. Translation: EAW09133.1.
    RefSeqiXP_001270559.1. XM_001270558.1.

    Genome annotation databases

    EnsemblFungiiCADACLAT00004080; CADACLAP00004000; CADACLAG00004080.
    GeneIDi4703176.
    KEGGiact:ACLA_033360.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    DS027056 Genomic DNA. Translation: EAW09133.1 .
    RefSeqi XP_001270559.1. XM_001270558.1.

    3D structure databases

    ProteinModelPortali A1CJ09.
    SMRi A1CJ09. Positions 18-138.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 5057.CADACLAP00004000.

    Proteomic databases

    PRIDEi A1CJ09.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblFungii CADACLAT00004080 ; CADACLAP00004000 ; CADACLAG00004080 .
    GeneIDi 4703176.
    KEGGi act:ACLA_033360.

    Phylogenomic databases

    eggNOGi NOG289161.
    HOGENOMi HOG000231213.
    KOi K11252.
    OMAi RITRRET.
    OrthoDBi EOG7WHHPK.

    Family and domain databases

    Gene3Di 1.10.20.10. 1 hit.
    InterProi IPR009072. Histone-fold.
    IPR007125. Histone_core_D.
    IPR000558. Histone_H2B.
    [Graphical view ]
    PANTHERi PTHR23428. PTHR23428. 1 hit.
    Pfami PF00125. Histone. 1 hit.
    [Graphical view ]
    PRINTSi PR00621. HISTONEH2B.
    SMARTi SM00427. H2B. 1 hit.
    [Graphical view ]
    SUPFAMi SSF47113. SSF47113. 1 hit.
    PROSITEi PS00357. HISTONE_H2B. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: ATCC 1007 / CBS 513.65 / DSM 816 / NCTC 3887 / NRRL 1.

    Entry informationi

    Entry nameiH2B_ASPCL
    AccessioniPrimary (citable) accession number: A1CJ09
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: August 21, 2007
    Last sequence update: January 23, 2007
    Last modified: October 1, 2014
    This is version 43 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programFungal Protein Annotation Program

    Miscellaneousi

    Caution

    To ensure consistency between histone entries, we follow the 'Brno' nomenclature for histone modifications, with positions referring to those used in the literature for the 'closest' model organism. Due to slight variations in histone sequences between organisms and to the presence of initiator methionine in UniProtKB/Swiss-Prot sequences, the actual positions of modified amino acids in the sequence generally differ. In this entry the following conventions are used: H2BK6ac = acetylated Lys-8; H2BK6su = sumoylated Lys-8; H2BK7ac = acetylated Lys-8; H2BK7su = sumoylated Lys-9; H2BK11ac = acetylated Lys-15; H2BK16ac = acetylated Lys-25; H2BK16su = sumoylated Lys-25; H2BK17su = sumoylated Lys-26; H2BK123ub1 = monoubiquitinated Lys-134.Curated

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3