ID   GVPA_PSEGP              Reviewed;          72 AA.
AC   P22453;
DT   01-AUG-1991, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   25-MAY-2022, entry version 68.
DE   RecName: Full=Gas vesicle structural protein;
DE            Short=GVP;
GN   Name=gvpA;
OS   Pseudanabaena galeata (strain PCC 6901).
OC   Bacteria; Cyanobacteria; Pseudanabaenales; Pseudanabaenaceae;
OC   Pseudanabaena.
OX   NCBI_TaxID=47918;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1904525; DOI=10.1111/j.1365-2958.1991.tb00737.x;
RA   Damerval T., Castets A.M., Houmard J., Tandeau de Marsac N.;
RT   "Gas vesicle synthesis in the cyanobacterium Pseudanabaena sp.: occurrence
RT   of a single photoregulated gene.";
RL   Mol. Microbiol. 5:657-664(1991).
CC   -!- FUNCTION: Gas vesicles are small, hollow, gas filled protein structures
CC       that are found in several microbial planktonic microorganisms. They
CC       allow the positioning of the organism at the favorable depth for
CC       growth. GvpA type proteins form the essential core of the structure.
CC   -!- SUBCELLULAR LOCATION: Vacuole, gas vesicle membrane.
CC   -!- SIMILARITY: Belongs to the gas vesicle protein type A family.
CC       {ECO:0000305}.
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DR   EMBL; X57731; CAA40898.1; -; Genomic_DNA.
DR   AlphaFoldDB; P22453; -.
DR   GO; GO:0033172; C:gas vesicle shell; IEA:UniProtKB-SubCell.
DR   GO; GO:0005773; C:vacuole; IEA:UniProtKB-KW.
DR   GO; GO:0012506; C:vesicle membrane; IEA:InterPro.
DR   GO; GO:0005198; F:structural molecule activity; IEA:InterPro.
DR   HAMAP; MF_00576; Gas_vesicle_A; 1.
DR   InterPro; IPR000638; Gas-vesicle_GvpA.
DR   InterPro; IPR018493; Gas-vesicle_GvpA_CS.
DR   Pfam; PF00741; Gas_vesicle; 1.
DR   PROSITE; PS00234; GAS_VESICLE_A_1; 1.
DR   PROSITE; PS00669; GAS_VESICLE_A_2; 1.
PE   3: Inferred from homology;
KW   Gas vesicle; Membrane; Vacuole.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..72
FT                   /note="Gas vesicle structural protein"
FT                   /id="PRO_0000199988"
SQ   SEQUENCE   72 AA;  7543 MW;  215FE0A7817502AB CRC64;
     MAVEKVNSSS SLAEVIDRIL DKGIVIDAWV RVSLVGIELL SIEARVVIAS VETYLKYAEA
     VGLTASAAVP AA