ID   IHFA_RHOPS              Reviewed;         123 AA.
AC   Q136S3;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   31-OCT-2006, sequence version 1.
DT   03-AUG-2022, entry version 88.
DE   RecName: Full=Integration host factor subunit alpha {ECO:0000255|HAMAP-Rule:MF_00380};
DE            Short=IHF-alpha {ECO:0000255|HAMAP-Rule:MF_00380};
GN   Name=ihfA {ECO:0000255|HAMAP-Rule:MF_00380};
GN   Synonyms=himA {ECO:0000255|HAMAP-Rule:MF_00380};
GN   OrderedLocusNames=RPD_2687;
OS   Rhodopseudomonas palustris (strain BisB5).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=316057;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BisB5;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Pelletier D.A., Kyrpides N., Lykidis A., Oda Y., Harwood C.S.,
RA   Richardson P.;
RT   "Complete sequence of Rhodopseudomonas palustris BisB5.";
RL   Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: This protein is one of the two subunits of integration host
CC       factor, a specific DNA-binding protein that functions in genetic
CC       recombination as well as in transcriptional and translational control.
CC       {ECO:0000255|HAMAP-Rule:MF_00380}.
CC   -!- SUBUNIT: Heterodimer of an alpha and a beta chain. {ECO:0000255|HAMAP-
CC       Rule:MF_00380}.
CC   -!- SIMILARITY: Belongs to the bacterial histone-like protein family.
CC       {ECO:0000255|HAMAP-Rule:MF_00380}.
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DR   EMBL; CP000283; ABE39916.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q136S3; -.
DR   SMR; Q136S3; -.
DR   STRING; 316057.RPD_2687; -.
DR   EnsemblBacteria; ABE39916; ABE39916; RPD_2687.
DR   KEGG; rpd:RPD_2687; -.
DR   eggNOG; COG0776; Bacteria.
DR   HOGENOM; CLU_105066_1_1_5; -.
DR   OMA; IYVRGFG; -.
DR   OrthoDB; 1847472at2; -.
DR   BioCyc; RPAL316057:RPD_RS13510-MON; -.
DR   Proteomes; UP000001818; Chromosome.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0030527; F:structural constituent of chromatin; IEA:InterPro.
DR   GO; GO:0006310; P:DNA recombination; IEA:UniProtKB-UniRule.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   GO; GO:0006417; P:regulation of translation; IEA:UniProtKB-UniRule.
DR   CDD; cd13835; IHF_A; 1.
DR   Gene3D; 4.10.520.10; -; 1.
DR   HAMAP; MF_00380; IHF_alpha; 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   InterPro; IPR005684; IHF_alpha.
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   TIGRFAMs; TIGR00987; himA; 1.
DR   PROSITE; PS00045; HISTONE_LIKE; 1.
PE   3: Inferred from homology;
KW   DNA recombination; DNA-binding; Transcription; Transcription regulation;
KW   Translation regulation.
FT   CHAIN           1..123
FT                   /note="Integration host factor subunit alpha"
FT                   /id="PRO_1000060563"
FT   REGION          97..123
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        97..114
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   123 AA;  13268 MW;  FBAAA04AE986A29C CRC64;
     MTGTGRTVTR VDLCEAVYQK VGLSRTESSA FVELVLKEIT DCLEKGETVK LSSFGSFLVR
     QKGQRIGRNP KTGTEVPISP RRVMVFKPSA ILKQRINANG SAPSMSSSAS AVDDDKSESA
     SRT