ID   CSOSB_HYDCU             Reviewed;          97 AA.
AC   Q31HD2;
DT   10-FEB-2021, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 76.
DE   RecName: Full=Carboxysome shell protein CsoS1B {ECO:0000303|PubMed:28115547};
GN   Name=csoS1B {ECO:0000303|PubMed:28115547};
GN   OrderedLocusNames=Tcr_0845 {ECO:0000312|EMBL:ABB41441.1};
OS   Hydrogenovibrio crunogenus (strain DSM 25203 / XCL-2) (Thiomicrospira
OS   crunogena).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC   Piscirickettsiaceae; Hydrogenovibrio.
OX   NCBI_TaxID=317025;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 25203 / XCL-2;
RX   PubMed=17105352; DOI=10.1371/journal.pbio.0040383;
RA   Scott K.M., Sievert S.M., Abril F.N., Ball L.A., Barrett C.J., Blake R.A.,
RA   Boller A.J., Chain P.S.G., Clark J.A., Davis C.R., Detter C., Do K.F.,
RA   Dobrinski K.P., Faza B.I., Fitzpatrick K.A., Freyermuth S.K., Harmer T.L.,
RA   Hauser L.J., Huegler M., Kerfeld C.A., Klotz M.G., Kong W.W., Land M.,
RA   Lapidus A., Larimer F.W., Longo D.L., Lucas S., Malfatti S.A., Massey S.E.,
RA   Martin D.D., McCuddin Z., Meyer F., Moore J.L., Ocampo L.H. Jr., Paul J.H.,
RA   Paulsen I.T., Reep D.K., Ren Q., Ross R.L., Sato P.Y., Thomas P.,
RA   Tinkham L.E., Zeruth G.T.;
RT   "The genome of deep-sea vent chemolithoautotroph Thiomicrospira crunogena
RT   XCL-2.";
RL   PLoS Biol. 4:1-17(2006).
RN   [2]
RP   SUBCELLULAR LOCATION.
RC   STRAIN=DSM 25203 / XCL-2;
RX   PubMed=28115547; DOI=10.1128/jb.00871-16;
RG   USF MCB4404L;
RA   Mangiapia M., Brown T.W., Chaput D., Haller E., Harmer T.L., Hashemy Z.,
RA   Keeley R., Leonard J., Mancera P., Nicholson D., Stevens S., Wanjugi P.,
RA   Zabinski T., Pan C., Scott K.M.;
RT   "Proteomic and Mutant Analysis of the CO2 Concentrating Mechanism of
RT   Hydrothermal Vent Chemolithoautotroph Thiomicrospira crunogena.";
RL   J. Bacteriol. 199:0-0(2017).
CC   -!- FUNCTION: One of shell proteins of the carboxysome, a polyhedral
CC       inclusion where RuBisCO (ribulose bisphosphate carboxylase, ccbL-ccbS)
CC       is sequestered. Assembles into hexamers which make sheets that form the
CC       facets of the polyhedral carboxysome. The shell probably limits the
CC       diffusion of CO(2) into and out of the carboxysome.
CC       {ECO:0000250|UniProtKB:P45689}.
CC   -!- SUBUNIT: Homohexamer with a small central pore.
CC       {ECO:0000250|UniProtKB:P45689}.
CC   -!- SUBCELLULAR LOCATION: Carboxysome {ECO:0000305|PubMed:28115547}.
CC       Note=This bacterium makes alpha-type carboxysomes. {ECO:0000305}.
CC   -!- DOMAIN: The tight homohexamer forms a small pore which is positively
CC       charged. {ECO:0000250|UniProtKB:P45689}.
CC   -!- SIMILARITY: Belongs to the bacterial microcompartments protein family.
CC       CsoS1 subfamily. {ECO:0000305}.
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DR   EMBL; CP000109; ABB41441.1; -; Genomic_DNA.
DR   RefSeq; WP_011370268.1; NC_007520.2.
DR   AlphaFoldDB; Q31HD2; -.
DR   SMR; Q31HD2; -.
DR   STRING; 317025.Tcr_0845; -.
DR   EnsemblBacteria; ABB41441; ABB41441; Tcr_0845.
DR   KEGG; tcx:Tcr_0845; -.
DR   eggNOG; COG4577; Bacteria.
DR   HOGENOM; CLU_064903_5_3_6; -.
DR   OMA; VIARPHA; -.
DR   OrthoDB; 1802372at2; -.
DR   GO; GO:0031470; C:carboxysome; IEA:UniProtKB-SubCell.
DR   GO; GO:0015977; P:carbon fixation; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.70.1710; -; 1.
DR   InterPro; IPR020808; Bact_microcomp_CS.
DR   InterPro; IPR000249; BMC_dom.
DR   InterPro; IPR037233; CcmK-like_sf.
DR   InterPro; IPR044872; CcmK/CsoS1_BMC.
DR   Pfam; PF00936; BMC; 1.
DR   SMART; SM00877; BMC; 1.
DR   SUPFAM; SSF143414; SSF143414; 1.
DR   PROSITE; PS01139; BMC_1; 1.
DR   PROSITE; PS51930; BMC_2; 1.
PE   3: Inferred from homology;
KW   Bacterial microcompartment; Carbon dioxide fixation; Carboxysome.
FT   CHAIN           1..97
FT                   /note="Carboxysome shell protein CsoS1B"
FT                   /id="PRO_0000452073"
FT   DOMAIN          8..93
FT                   /note="BMC"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01278"
SQ   SEQUENCE   97 AA;  10121 MW;  FE894CF5741C0AA0 CRC64;
     MSTEYGIALG MIETRGLVPA IEAADAMTKA AEVRLVSREF VGGGYVTVLV RGETGAVNAA
     VRAGADACER VGDGLVAAHI IARPHKEVEP VLTMEKK