ID   DBH_RICFE               Reviewed;          99 AA.
AC   Q4UKH2;
DT   23-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 76.
DE   RecName: Full=DNA-binding protein HU;
GN   Name=hup; Synonyms=hupA; OrderedLocusNames=RF_1108;
OS   Rickettsia felis (strain ATCC VR-1525 / URRWXCal2) (Rickettsia azadi).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group.
OX   NCBI_TaxID=315456;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC VR-1525 / URRWXCal2;
RX   PubMed=15984913; DOI=10.1371/journal.pbio.0030248;
RA   Ogata H., Renesto P., Audic S., Robert C., Blanc G., Fournier P.-E.,
RA   Parinello H., Claverie J.-M., Raoult D.;
RT   "The genome sequence of Rickettsia felis identifies the first putative
RT   conjugative plasmid in an obligate intracellular parasite.";
RL   PLoS Biol. 3:1-12(2005).
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. {ECO:0000250}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the bacterial histone-like protein family.
CC       {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAY61959.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000053; AAY61959.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; Q4UKH2; -.
DR   SMR; Q4UKH2; -.
DR   STRING; 315456.RF_1108; -.
DR   EnsemblBacteria; AAY61959; AAY61959; RF_1108.
DR   KEGG; rfe:RF_1108; -.
DR   eggNOG; COG0776; Bacteria.
DR   HOGENOM; CLU_105066_3_2_5; -.
DR   Proteomes; UP000008548; Chromosome.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
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.
FT   CHAIN           1..99
FT                   /note="DNA-binding protein HU"
FT                   /id="PRO_0000273733"
FT   REGION          67..86
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   99 AA;  11150 MW;  B11CE5535C86D36E CRC64;
     MNKTEFIAFM TDHGHNHKHA SHKTLTKADA EKALNLVLDS VISAIKSHHN INITGFGSFE
     IHHRKAREGR NPKTGAKMKI DAYNQPTFRA GRKMKEACN