ID   H1B_CHITE               Reviewed;         232 AA.
AC   P40276;
DT   01-FEB-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1995, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Histone H1B;
OS   Chironomus tentans (Midge) (Camptochironomus tentans).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC   Neoptera; Endopterygota; Diptera; Nematocera; Chironomoidea; Chironomidae;
OC   Chironominae; Chironomus.
OX   NCBI_TaxID=7153;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Schulze E., Wisniewski J.R., Nagel S., Gavenis K., Grossbach U.;
RT   "The two classes of histone H1 proteins of the dipteran genus
RT   Camptochironomus are encoded by organizationally divergent genes and differ
RT   by a DNA binding motif, KAPKAP.";
RL   Submitted (MAR-1994) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Histones H1 are necessary for the condensation of nucleosome
CC       chains into higher-order structures.
CC   -!- SUBCELLULAR LOCATION: Nucleus. Chromosome.
CC   -!- SIMILARITY: Belongs to the histone H1/H5 family. {ECO:0000255|PROSITE-
CC       ProRule:PRU00837}.
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DR   EMBL; L29108; AAA21716.1; -; Genomic_DNA.
DR   AlphaFoldDB; P40276; -.
DR   SMR; P40276; -.
DR   GO; GO:0000786; C:nucleosome; IEA:InterPro.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0030527; F:structural constituent of chromatin; IEA:InterPro.
DR   GO; GO:0006334; P:nucleosome assembly; IEA:InterPro.
DR   CDD; cd00073; H15; 1.
DR   Gene3D; 1.10.10.10; -; 1.
DR   InterPro; IPR005819; H1/H5.
DR   InterPro; IPR005818; Histone_H1/H5_H15.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   Pfam; PF00538; Linker_histone; 1.
DR   PRINTS; PR00624; HISTONEH5.
DR   SMART; SM00526; H15; 1.
DR   SUPFAM; SSF46785; SSF46785; 1.
DR   PROSITE; PS51504; H15; 1.
PE   3: Inferred from homology;
KW   Chromosome; DNA-binding; Nucleus.
FT   CHAIN           1..232
FT                   /note="Histone H1B"
FT                   /id="PRO_0000195968"
FT   DOMAIN          39..113
FT                   /note="H15"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00837"
FT   REGION          1..44
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          99..232
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        115..134
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        135..172
FT                   /note="Basic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        194..223
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   232 AA;  24389 MW;  60E7E69694706D00 CRC64;
     MSDPAVEVTP AVPVASPAKA KKEKKPKSDK PKKPKAPRTH PPVSEMVVNA VKTLKERGGS
     SLQAIKKFLV AQYKVDVDKL APFIKKYLKS AVEKGQLLQT KGKGASGSFK LPAAAKKEKV
     VKKPTKAAAE KKPKKAAAKP KKAGEKKVKK TIAKKPKAAA ATKIKKPVAK TTKKPAAAKP
     AAKKAAPKPK AAPKPKAAKT ETKPKRAAAP KAKKPAAEKK PKAAKKPAAK KA