ID   GVPA_HALWD              Reviewed;          72 AA.
AC   Q18JA1;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   25-MAY-2022, entry version 73.
DE   RecName: Full=Gas vesicle structural protein {ECO:0000255|HAMAP-Rule:MF_00576};
DE            Short=GVP {ECO:0000255|HAMAP-Rule:MF_00576};
GN   Name=gvpA {ECO:0000255|HAMAP-Rule:MF_00576}; OrderedLocusNames=HQ_1782A;
OS   Haloquadratum walsbyi (strain DSM 16790 / HBSQ001).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC   Haloferacaceae; Haloquadratum.
OX   NCBI_TaxID=362976;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 16790 / HBSQ001;
RX   PubMed=16820047; DOI=10.1186/1471-2164-7-169;
RA   Bolhuis H., Palm P., Wende A., Falb M., Rampp M., Rodriguez-Valera F.,
RA   Pfeiffer F., Oesterhelt D.;
RT   "The genome of the square archaeon Haloquadratum walsbyi: life at the
RT   limits of water activity.";
RL   BMC Genomics 7:169-169(2006).
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       {ECO:0000255|HAMAP-Rule:MF_00576}.
CC   -!- SUBCELLULAR LOCATION: Vacuole, gas vesicle membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00576}.
CC   -!- SIMILARITY: Belongs to the gas vesicle protein type A family.
CC       {ECO:0000255|HAMAP-Rule:MF_00576}.
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DR   EMBL; AM180088; CAJ51910.1; -; Genomic_DNA.
DR   RefSeq; WP_011571057.1; NC_008212.1.
DR   AlphaFoldDB; Q18JA1; -.
DR   STRING; 362976.HQ_1782A; -.
DR   EnsemblBacteria; CAJ51910; CAJ51910; HQ_1782A.
DR   GeneID; 4194078; -.
DR   KEGG; hwa:HQ_1782A; -.
DR   eggNOG; arCOG03092; Archaea.
DR   HOGENOM; CLU_169045_1_0_2; -.
DR   OMA; IDVWARV; -.
DR   Proteomes; UP000001975; Chromosome.
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; Reference proteome; Vacuole.
FT   CHAIN           1..72
FT                   /note="Gas vesicle structural protein"
FT                   /id="PRO_1000025106"
SQ   SEQUENCE   72 AA;  7686 MW;  221C31DC9C868E6D CRC64;
     MAQPDSSSLA EVLDRVLDKG IVVDTFARIS LVGIEILTVE ARVVVASVDT FLHYAEEIAK
     IEQAELTAGA EA