ID   DBH_SYNY3               Reviewed;         100 AA.
AC   P73418;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   15-JUL-1998, sequence version 2.
DT   03-AUG-2022, entry version 117.
DE   RecName: Full=DNA-binding protein HU;
GN   Name=hup; OrderedLocusNames=sll1712;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- FUNCTION: Histone-like DNA-binding protein which is capable of wrapping
CC       DNA to stabilize it, and thus to prevent its denaturation under extreme
CC       environmental conditions.
CC   -!- SIMILARITY: Belongs to the bacterial histone-like protein family.
CC       {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAA17458.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; BA000022; BAA17458.1; ALT_INIT; Genomic_DNA.
DR   PIR; S77355; S77355.
DR   AlphaFoldDB; P73418; -.
DR   SMR; P73418; -.
DR   STRING; 1148.1652537; -.
DR   PaxDb; P73418; -.
DR   EnsemblBacteria; BAA17458; BAA17458; BAA17458.
DR   KEGG; syn:sll1712; -.
DR   eggNOG; COG0776; Bacteria.
DR   InParanoid; P73418; -.
DR   OMA; PAHEGIN; -.
DR   PhylomeDB; P73418; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0003677; F:DNA binding; IBA:GO_Central.
DR   GO; GO:0030527; F:structural constituent of chromatin; IEA:InterPro.
DR   GO; GO:0030261; P:chromosome condensation; IEA:UniProtKB-KW.
DR   Gene3D; 4.10.520.10; -; 1.
DR   InterPro; IPR000119; Hist_DNA-bd.
DR   InterPro; IPR020816; Histone-like_DNA-bd_CS.
DR   InterPro; IPR010992; IHF-like_DNA-bd_dom_sf.
DR   PANTHER; PTHR33175; PTHR33175; 1.
DR   Pfam; PF00216; Bac_DNA_binding; 1.
DR   PRINTS; PR01727; DNABINDINGHU.
DR   SMART; SM00411; BHL; 1.
DR   SUPFAM; SSF47729; SSF47729; 1.
DR   PROSITE; PS00045; HISTONE_LIKE; 1.
PE   3: Inferred from homology;
KW   DNA condensation; DNA-binding; Reference proteome.
FT   CHAIN           1..100
FT                   /note="DNA-binding protein HU"
FT                   /id="PRO_0000104988"
SQ   SEQUENCE   100 AA;  10891 MW;  3CC2783583BE7C95 CRC64;
     MNKGELVHAV TDKAKEQLGE SITKKEVDAV ISAAIDCIME VVAEGEKVTL VGFGSFEARE
     RKEREGRNPK TGDKMLIPAT KVPAFSAGKM FKDKVAPEKK