ID   CSS4A_HYDCU             Reviewed;          90 AA.
AC   Q31HD5;
DT   10-FEB-2021, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 78.
DE   RecName: Full=Carboxysome shell vertex protein CsoS4A;
GN   Name=csoS4A {ECO:0000303|PubMed:28115547}; OrderedLocusNames=Tcr_0842;
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: Probably forms vertices in the carboxysome, a polyhedral
CC       inclusion where RuBisCO (ribulose bisphosphate carboxylase, cbbL-cbbS)
CC       is sequestered. Has been modeled to induce curvature upon insertion
CC       into an otherwise flat hexagonal layer of major carboxysome subunits.
CC       {ECO:0000250|UniProtKB:O85043}.
CC   -!- SUBUNIT: Homopentamer. {ECO:0000250|UniProtKB:O85043}.
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 homopentamer forms a pore with an opening of about
CC       3.5 Angstroms in diameter which is positively charged.
CC       {ECO:0000250|UniProtKB:O85043}.
CC   -!- SIMILARITY: Belongs to the CcmL/EutN family. CsoS4 subfamily.
CC       {ECO:0000305}.
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DR   EMBL; CP000109; ABB41438.1; -; Genomic_DNA.
DR   RefSeq; WP_011370265.1; NC_007520.2.
DR   AlphaFoldDB; Q31HD5; -.
DR   SMR; Q31HD5; -.
DR   STRING; 317025.Tcr_0842; -.
DR   EnsemblBacteria; ABB41438; ABB41438; Tcr_0842.
DR   KEGG; tcx:Tcr_0842; -.
DR   eggNOG; COG4576; Bacteria.
DR   HOGENOM; CLU_148498_1_0_6; -.
DR   OMA; GCKPGDW; -.
DR   OrthoDB; 1832681at2; -.
DR   GO; GO:0031470; C:carboxysome; IEA:UniProtKB-SubCell.
DR   GO; GO:0015977; P:carbon fixation; IEA:UniProtKB-KW.
DR   CDD; cd01614; EutN_CcmL; 1.
DR   Gene3D; 2.40.50.220; -; 1.
DR   InterPro; IPR014076; CsoS4A.
DR   InterPro; IPR004992; EutN_CcmL.
DR   InterPro; IPR036677; EutN_CcmL_sf.
DR   PANTHER; PTHR36539; PTHR36539; 1.
DR   Pfam; PF03319; EutN_CcmL; 1.
DR   SUPFAM; SSF159133; SSF159133; 1.
DR   TIGRFAMs; TIGR02703; carboxysome_A; 1.
DR   PROSITE; PS51932; BMV; 1.
PE   1: Evidence at protein level;
KW   Bacterial microcompartment; Carbon dioxide fixation; Carboxysome.
FT   CHAIN           1..90
FT                   /note="Carboxysome shell vertex protein CsoS4A"
FT                   /id="PRO_0000452080"
FT   DOMAIN          1..78
FT                   /note="BMV"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01280"
SQ   SEQUENCE   90 AA;  9675 MW;  A6C415672FC33B0F CRC64;
     MKIYKVDKTL VSTNRIAMME HKPLLVVREK DGGTPQVAVD PVGCKPGDWV ICCGSSAARD
     ATGVKGYPSD LTIVGIIDKW EVPQDADTTS