ID A0A2U3WSQ5_ODORO Unreviewed; 183 AA.
AC A0A2U3WSQ5;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 03-MAY-2023, sequence version 2.
DT 27-MAR-2024, entry version 22.
DE SubName: Full=Histone H2B type 1-A-like {ECO:0000313|RefSeq:XP_004412274.1};
GN Name=LOC101378601 {ECO:0000313|RefSeq:XP_004412274.1};
OS Odobenus rosmarus divergens (Pacific walrus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Carnivora; Caniformia; Pinnipedia; Odobenidae;
OC Odobenus.
OX NCBI_TaxID=9708 {ECO:0000313|Proteomes:UP000245340, ECO:0000313|RefSeq:XP_004412274.1};
RN [1] {ECO:0000313|RefSeq:XP_004412274.1}
RP IDENTIFICATION.
RG RefSeq;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- FUNCTION: Core component of nucleosome. Nucleosomes wrap and compact
CC DNA into chromatin, limiting DNA accessibility to the cellular
CC machineries which require DNA as a template. Histones thereby play a
CC central role in transcription regulation, DNA repair, DNA replication
CC and chromosomal stability. DNA accessibility is regulated via a complex
CC set of post-translational modifications of histones, also called
CC histone code, and nucleosome remodeling.
CC {ECO:0000256|ARBA:ARBA00002001}.
CC -!- SUBUNIT: The nucleosome is a histone octamer containing two molecules
CC each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and
CC two H2A-H2B heterodimers. The octamer wraps approximately 147 bp of
CC DNA. {ECO:0000256|ARBA:ARBA00011538}.
CC -!- SUBCELLULAR LOCATION: Chromosome {ECO:0000256|ARBA:ARBA00004286}.
CC Nucleus {ECO:0000256|ARBA:ARBA00004123}.
CC -!- SIMILARITY: Belongs to the histone H2B family.
CC {ECO:0000256|ARBA:ARBA00006846}.
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DR RefSeq; XP_004412274.1; XM_004412217.1.
DR AlphaFoldDB; A0A2U3WSQ5; -.
DR STRING; 9708.A0A2U3WSQ5; -.
DR KEGG; oro:101378601; -.
DR InParanoid; A0A2U3WSQ5; -.
DR OrthoDB; 5204105at2759; -.
DR Proteomes; UP000245340; Unplaced.
DR GO; GO:0000786; C:nucleosome; IEA:InterPro.
DR GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR GO; GO:0046982; F:protein heterodimerization activity; IEA:InterPro.
DR GO; GO:0030527; F:structural constituent of chromatin; IEA:InterPro.
DR Gene3D; 1.10.20.10; Histone, subunit A; 1.
DR InterPro; IPR009072; Histone-fold.
DR InterPro; IPR007125; Histone_H2A/H2B/H3.
DR InterPro; IPR000558; Histone_H2B.
DR PANTHER; PTHR23428:SF367; H2B.W HISTONE 2; 1.
DR PANTHER; PTHR23428; HISTONE H2B; 1.
DR Pfam; PF00125; Histone; 1.
DR PRINTS; PR00621; HISTONEH2B.
DR SMART; SM00427; H2B; 1.
DR SUPFAM; SSF47113; Histone-fold; 1.
PE 3: Inferred from homology;
KW Reference proteome {ECO:0000313|Proteomes:UP000245340}.
FT DOMAIN 94..158
FT /note="Histone H2A/H2B/H3"
FT /evidence="ECO:0000259|Pfam:PF00125"
SQ SEQUENCE 183 AA; 20597 MW; 8638ECF3876B5DEE CRC64;
MWRLPVTSGN AATINGPVPL SHRHCPSFRA VGKVRPTWLS LAVRPLLRKA WAQTEDPTAA
DPNSPKQKQP TRQCCRCCCH HHPLNNTAPP SPLQFHHLFP RVLRHVHKGL SPSQTTVSIM
DSFVKDIFKH IAEEASCLAR STNRSTITSR EIQTAVHLLL PREIGKHDVS EATKAIIRYT
FRQ
//