H3_CHITH
ID H3_CHITH Reviewed; 136 AA.
AC P84238; P02295; P02297; P16105; P17269; P17320;
DT 21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 03-AUG-2022, entry version 58.
DE RecName: Full=Histone H3;
DE Short=H3;
OS Chironomus thummi thummi (Midge).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC Neoptera; Endopterygota; Diptera; Nematocera; Chironomoidea; Chironomidae;
OC Chironominae; Chironomus.
OX NCBI_TaxID=7155;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=2172549; DOI=10.1016/s0022-2836(05)80159-7;
RA Hankeln T., Schmidt E.R.;
RT "New foldback transposable element TFB1 found in histone genes of the midge
RT Chironomus thummi.";
RL J. Mol. Biol. 215:477-482(1990).
RN [2]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=8263935; DOI=10.1006/jmbi.1993.1686;
RA Hankeln T., Schmidt E.R.;
RT "Divergent evolution of an 'orphon' histone gene cluster in Chironomus.";
RL J. Mol. Biol. 234:1301-1307(1993).
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 -!- 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.
CC -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000250}. Chromosome {ECO:0000250}.
CC -!- PTM: Phosphorylation at Ser-11 during mitosis and meiosis is crucial
CC for chromosome condensation and cell-cycle progression. Phosphorylation
CC at Ser-11 during interphase is linked to gene activation and restricts
CC the formation of heterochromatin at inappropriate sites (By
CC similarity). {ECO:0000250}.
CC -!- PTM: Acetylation is generally linked to gene activation. {ECO:0000250}.
CC -!- PTM: Methylation at Lys-5 or Lys-80 is generally associated with active
CC chromatin. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the histone H3 family. {ECO:0000305}.
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DR EMBL; X56335; CAA39771.1; -; Genomic_DNA.
DR EMBL; X72803; CAA51324.1; -; Genomic_DNA.
DR AlphaFoldDB; P84238; -.
DR SMR; P84238; -.
DR GO; GO:0000786; C:nucleosome; IEA:UniProtKB-KW.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
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; -; 1.
DR InterPro; IPR009072; Histone-fold.
DR InterPro; IPR007125; Histone_H2A/H2B/H3.
DR InterPro; IPR000164; Histone_H3/CENP-A.
DR PANTHER; PTHR11426; PTHR11426; 1.
DR Pfam; PF00125; Histone; 1.
DR PRINTS; PR00622; HISTONEH3.
DR SMART; SM00428; H3; 1.
DR SUPFAM; SSF47113; SSF47113; 1.
DR PROSITE; PS00322; HISTONE_H3_1; 1.
DR PROSITE; PS00959; HISTONE_H3_2; 1.
PE 3: Inferred from homology;
KW Acetylation; Chromosome; DNA-binding; Methylation; Nucleosome core;
KW Nucleus; Phosphoprotein.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000250"
FT CHAIN 2..136
FT /note="Histone H3"
FT /id="PRO_0000221299"
FT REGION 1..43
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT MOD_RES 5
FT /note="N6-methylated lysine"
FT /evidence="ECO:0000250"
FT MOD_RES 10
FT /note="N6-acetyllysine; alternate"
FT /evidence="ECO:0000250"
FT MOD_RES 10
FT /note="N6-methylated lysine; alternate"
FT /evidence="ECO:0000250"
FT MOD_RES 11
FT /note="Phosphoserine"
FT /evidence="ECO:0000250"
FT MOD_RES 15
FT /note="N6-acetyllysine; alternate"
FT /evidence="ECO:0000250"
FT MOD_RES 15
FT /note="N6-methylated lysine; alternate"
FT /evidence="ECO:0000250"
FT MOD_RES 19
FT /note="N6-acetyllysine"
FT /evidence="ECO:0000250"
FT MOD_RES 24
FT /note="N6-acetyllysine"
FT /evidence="ECO:0000250"
FT MOD_RES 28
FT /note="N6-methylated lysine"
FT /evidence="ECO:0000250"
FT MOD_RES 37
FT /note="N6-methylated lysine"
FT /evidence="ECO:0000250"
FT MOD_RES 38
FT /note="N6-methylated lysine"
FT /evidence="ECO:0000250"
FT MOD_RES 80
FT /note="N6-methylated lysine"
FT /evidence="ECO:0000250"
SQ SEQUENCE 136 AA; 15388 MW; 6FD8508EA50A0EEC CRC64;
MARTKQTARK STGGKAPRKQ LATKAARKSA PATGGVKKPH RYRPGTVALR EIRRYQKSTE
LLIRKLPFQR LVREIAQDFK TDLRFQSSAV MALQEASEAY LVGLFEDTNL CAIHAKRVTI
MPKDIQLARR IRGERA
