ID   GATA_GLOVI              Reviewed;         489 AA.
AC   Q7NKF0;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=Glutamyl-tRNA(Gln) amidotransferase subunit A {ECO:0000255|HAMAP-Rule:MF_00120};
DE            Short=Glu-ADT subunit A {ECO:0000255|HAMAP-Rule:MF_00120};
DE            EC=6.3.5.7 {ECO:0000255|HAMAP-Rule:MF_00120};
GN   Name=gatA {ECO:0000255|HAMAP-Rule:MF_00120}; OrderedLocusNames=gll1528;
OS   Gloeobacter violaceus (strain ATCC 29082 / PCC 7421).
OC   Bacteria; Cyanobacteria; Gloeobacteria; Gloeobacterales; Gloeobacteraceae;
OC   Gloeobacter.
OX   NCBI_TaxID=251221;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29082 / PCC 7421;
RX   PubMed=14621292; DOI=10.1093/dnares/10.4.137;
RA   Nakamura Y., Kaneko T., Sato S., Mimuro M., Miyashita H., Tsuchiya T.,
RA   Sasamoto S., Watanabe A., Kawashima K., Kishida Y., Kiyokawa C., Kohara M.,
RA   Matsumoto M., Matsuno A., Nakazaki N., Shimpo S., Takeuchi C., Yamada M.,
RA   Tabata S.;
RT   "Complete genome structure of Gloeobacter violaceus PCC 7421, a
RT   cyanobacterium that lacks thylakoids.";
RL   DNA Res. 10:137-145(2003).
CC   -!- FUNCTION: Allows the formation of correctly charged Gln-tRNA(Gln)
CC       through the transamidation of misacylated Glu-tRNA(Gln) in organisms
CC       which lack glutaminyl-tRNA synthetase. The reaction takes place in the
CC       presence of glutamine and ATP through an activated gamma-phospho-Glu-
CC       tRNA(Gln). {ECO:0000255|HAMAP-Rule:MF_00120}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O + L-glutamine + L-glutamyl-tRNA(Gln) = ADP + H(+) +
CC         L-glutamate + L-glutaminyl-tRNA(Gln) + phosphate;
CC         Xref=Rhea:RHEA:17521, Rhea:RHEA-COMP:9681, Rhea:RHEA-COMP:9684,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:29985,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:58359,
CC         ChEBI:CHEBI:78520, ChEBI:CHEBI:78521, ChEBI:CHEBI:456216; EC=6.3.5.7;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00120};
CC   -!- SUBUNIT: Heterotrimer of A, B and C subunits. {ECO:0000255|HAMAP-
CC       Rule:MF_00120}.
CC   -!- SIMILARITY: Belongs to the amidase family. GatA subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00120}.
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DR   EMBL; BA000045; BAC89469.1; -; Genomic_DNA.
DR   RefSeq; NP_924474.1; NC_005125.1.
DR   RefSeq; WP_011141527.1; NC_005125.1.
DR   AlphaFoldDB; Q7NKF0; -.
DR   SMR; Q7NKF0; -.
DR   STRING; 251221.35212093; -.
DR   EnsemblBacteria; BAC89469; BAC89469; BAC89469.
DR   KEGG; gvi:gll1528; -.
DR   PATRIC; fig|251221.4.peg.1562; -.
DR   eggNOG; COG0154; Bacteria.
DR   HOGENOM; CLU_009600_0_3_3; -.
DR   InParanoid; Q7NKF0; -.
DR   OMA; EVSCPHF; -.
DR   OrthoDB; 1239251at2; -.
DR   PhylomeDB; Q7NKF0; -.
DR   Proteomes; UP000000557; Chromosome.
DR   GO; GO:0030956; C:glutamyl-tRNA(Gln) amidotransferase complex; IEA:InterPro.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0050567; F:glutaminyl-tRNA synthase (glutamine-hydrolyzing) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.90.1300.10; -; 1.
DR   HAMAP; MF_00120; GatA; 1.
DR   InterPro; IPR000120; Amidase.
DR   InterPro; IPR020556; Amidase_CS.
DR   InterPro; IPR023631; Amidase_dom.
DR   InterPro; IPR036928; AS_sf.
DR   InterPro; IPR004412; GatA.
DR   PANTHER; PTHR11895; PTHR11895; 1.
DR   Pfam; PF01425; Amidase; 1.
DR   SUPFAM; SSF75304; SSF75304; 1.
DR   TIGRFAMs; TIGR00132; gatA; 1.
DR   PROSITE; PS00571; AMIDASES; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; Protein biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..489
FT                   /note="Glutamyl-tRNA(Gln) amidotransferase subunit A"
FT                   /id="PRO_0000105164"
FT   ACT_SITE        75
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00120"
FT   ACT_SITE        150
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00120"
FT   ACT_SITE        174
FT                   /note="Acyl-ester intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00120"
SQ   SEQUENCE   489 AA;  52303 MW;  B33F007555075A84 CRC64;
     MTSIGQLRSQ VASKERSAVE VARQYLERAE RLDTEVHAFL RLTPERALAA AEAVDAKIAR
     GEDPGLLAGV PVAVKDNLCM VGIPTTCASK ILENYRPPYE STVTRRLEEQ GALIIGKTNL
     DEFAMGSSTE NSAFGPTRNP WDLGRVPGGS SGGSAAAVAA CEAVASLGSD TGGSIRQPAS
     FCGVVGLKPT YGLVSRYGLI AFASSLDQIG PFTRTVEDAA LVLQAIAGHD PLDSTSLAVN
     VPDYRQALIS DLKGVKVGFV KEFFAEGLDP DVADAVFEAI EVMRDLGAQI QEVSCPRFAR
     GLSTYYIIAT SEASANLARY DGVKYGLRDR EADALVPMYG RTREEGFGSE VKRRIMLGTY
     ALSAGYYDAY YLKAQKVRTL IKQDYLDAFA KVDVLVGPTA PTTAFAFGDK VSDPLSMYLS
     DIYTIPLNLA GVAGASIPCG FDAKGLPIGF QIMANALEEG KLLRAAYAYE QATEWHKRTP
     ALAAEALTR