ID   HMC1_METBA              Reviewed;          93 AA.
AC   P06116;
DT   01-JAN-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1988, sequence version 1.
DT   25-MAY-2022, entry version 69.
DE   RecName: Full=Chromosomal protein MC1;
DE   AltName: Full=HMB;
OS   Methanosarcina barkeri.
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=2208;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   STRAIN=ATCC 43569 / MS / DSM 800 / JCM 10043 / NBRC 100474;
RX   PubMed=3098561; DOI=10.1111/j.1432-1033.1986.tb10493.x;
RA   Laine B., Chartier F., Imbert M., Lewis R., Sautiere P.;
RT   "Primary structure of the chromosomal protein HMb from the archaebacteria
RT   Methanosarcina barkeri.";
RL   Eur. J. Biochem. 161:681-687(1986).
RN   [2]
RP   CONFORMATIONAL STUDIES.
RX   PubMed=2111171; DOI=10.1016/0167-4838(90)90247-d;
RA   Imbert M., Laine B., Helbecque N., Mornon J.-P., Henichart J.-P.,
RA   Sautiere P.;
RT   "Conformational study of the chromosomal protein MC1 from the
RT   archaebacterium Methanosarcina barkeri.";
RL   Biochim. Biophys. Acta 1038:346-354(1990).
CC   -!- FUNCTION: Protects DNA against thermal denaturation and modulates
CC       transcription.
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DR   PIR; A25343; A25343.
DR   AlphaFoldDB; P06116; -.
DR   SMR; P06116; -.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0042262; P:DNA protection; IEA:InterPro.
DR   Gene3D; 3.10.470.10; -; 1.
DR   InterPro; IPR008674; MC1.
DR   InterPro; IPR036620; MC1_sf.
DR   Pfam; PF05854; MC1; 1.
DR   SUPFAM; SSF102875; SSF102875; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; DNA-binding.
FT   CHAIN           1..93
FT                   /note="Chromosomal protein MC1"
FT                   /id="PRO_0000084002"
FT   REGION          1..43
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   93 AA;  10755 MW;  3B5E17405CE2171C CRC64;
     SNTRNFVLRD EEGNEHGVFT GKQPRQAALK AANRGDGTKS NPDVIRLRER GTKKVHVFKA
     WKEMVEAPKN RPDWMPEKIS KPFVKKEKIE KIE