ID   CSOSA_HYDCU             Reviewed;          96 AA.
AC   Q31HD3;
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 CsoS1A {ECO:0000303|PubMed:28115547};
GN   Name=csoS1A {ECO:0000303|PubMed:28115547}; OrderedLocusNames=Tcr_0844;
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, AND INDUCTION.
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. Forms a CsoS2-CsoS1-
CC       RuBisCO complex. {ECO:0000250|UniProtKB:P45689}.
CC   -!- SUBCELLULAR LOCATION: Carboxysome {ECO:0000305|PubMed:28115547}.
CC       Note=This bacterium makes alpha-type carboxysomes. {ECO:0000305}.
CC   -!- INDUCTION: Induced by growth in low levels of dissolved inorganic
CC       carbon (at protein level). {ECO:0000269|PubMed:28115547}.
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; ABB41440.1; -; Genomic_DNA.
DR   RefSeq; WP_011370267.1; NC_007520.2.
DR   AlphaFoldDB; Q31HD3; -.
DR   SMR; Q31HD3; -.
DR   STRING; 317025.Tcr_0844; -.
DR   EnsemblBacteria; ABB41440; ABB41440; Tcr_0844.
DR   KEGG; tcx:Tcr_0844; -.
DR   eggNOG; COG4577; Bacteria.
DR   HOGENOM; CLU_064903_5_3_6; -.
DR   OMA; HSEVEMI; -.
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   1: Evidence at protein level;
KW   Bacterial microcompartment; Carbon dioxide fixation; Carboxysome.
FT   CHAIN           1..96
FT                   /note="Carboxysome shell protein CsoS1A"
FT                   /id="PRO_0000452072"
FT   DOMAIN          7..92
FT                   /note="BMC"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01278"
SQ   SEQUENCE   96 AA;  10006 MW;  101CDBF3AA9CC539 CRC64;
     MSDYGIALGM IETRGLVPAI EAADAMTKAA EVRLVSREFV GGGYVTVLVR GETGAVNAAV
     RAGADACERV GDGLVAAHII ARPHKEVEPV LTMEQK