ID   H1_PSAMI                Reviewed;         159 AA.
AC   P15868;
DT   01-APR-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1990, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Histone H1;
DE   Flags: Fragment;
OS   Psammechinus miliaris (Green sea urchin) (Echinus miliaris).
OC   Eukaryota; Metazoa; Echinodermata; Eleutherozoa; Echinozoa; Echinoidea;
OC   Euechinoidea; Echinacea; Camarodonta; Echinidea; Parechinidae;
OC   Psammechinus.
OX   NCBI_TaxID=7660;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Birnstiel M.L., Portmann R., Busslinger M., Schaffner W., Probst E.,
RA   Kressmann A.;
RT   "Functional organization of the histone genes in the sea urchin
RT   Psammechinus: a progress report.";
RL   Proc. Alfred Benzon Symp. 13:117-132(1979).
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; V01144; CAA24379.1; ALT_SEQ; Genomic_DNA.
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..>159
FT                   /note="Histone H1"
FT                   /id="PRO_0000195943"
FT   DOMAIN          12..102
FT                   /note="H15"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00837"
FT   REGION          1..31
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          111..159
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..29
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        137..159
FT                   /note="Basic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   NON_TER         159
SQ   SEQUENCE   159 AA;  17443 MW;  46B210A2C5CB66E3 CRC64;
     MAEKESSKKV TTKKPAATHR RRDGCNSITE LKDRNGSSLQ AIKKYIATNF DVQMDRQLLF
     IKRALKSGVE KGKLVQTKGK GAECAGGQGT GVGEGKKEKE KAKLLAQREK ARKGXXXXXX
     XXXXXXXXXX XAAKKVKAAP KKAKKPVKKT TEKKEKKKS