ID   HC2B_CHLTH              Reviewed;         165 AA.
AC   Q06281;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   03-AUG-2022, entry version 43.
DE   RecName: Full=Histone H1-like protein HC2;
DE   AltName: Full=HC2 nucleoprotein;
GN   Name=hctB;
OS   Chlamydia trachomatis.
OC   Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC   Chlamydia/Chlamydophila group; Chlamydia.
OX   NCBI_TaxID=813;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=B/Tw-5/OT;
RX   PubMed=8406036; DOI=10.1016/0378-1119(93)90526-9;
RA   Hackstadt T., Brickman T.J., Barry C.E. III, Sager J.;
RT   "Diversity in the Chlamydia trachomatis histone homologue Hc2.";
RL   Gene 132:137-141(1993).
CC   -!- FUNCTION: Might have a role in establishing the nucleoid structure of
CC       elementary bodies.
CC   -!- DEVELOPMENTAL STAGE: Specific to the EB (elementary body) form in the
CC       life cycle of chlamydiae.
CC   -!- SIMILARITY: Belongs to the histone H1/H5 family. HCT subfamily.
CC       {ECO:0000305}.
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DR   EMBL; L12962; AAA03752.1; -; Unassigned_DNA.
DR   PIR; JN0853; JN0853.
DR   AlphaFoldDB; Q06281; -.
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:InterPro.
DR   InterPro; IPR009970; HC2.
DR   Pfam; PF07382; HC2; 2.
PE   2: Evidence at transcript level;
KW   DNA-binding; Repeat.
FT   CHAIN           1..165
FT                   /note="Histone H1-like protein HC2"
FT                   /id="PRO_0000196022"
FT   REGION          1..80
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        9..80
FT                   /note="Basic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   165 AA;  17660 MW;  CF4179C61A4D0C05 CRC64;
     MLGVQKKRST RKTAARKTVV RKPAAKKTAA KKAPVRKVAA KKTVARKTVA KKTVAARKPV
     AKKATAKKAP VRKVAAKKTV ARKTVAKKTV AARKPVAKRV ASTKKSSVAV KAGVCMKKHK
     HTAACGRVAA SGVKVCASAA KRKTNPNRSR TAHSWRQQLM KLVAR