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Database: UniProt/SWISS-PROT
Entry: GATA_METCA
LinkDB: GATA_METCA
Original site: GATA_METCA 
ID   GATA_METCA              Reviewed;         485 AA.
AC   Q60CK8;
DT   27-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   27-MAR-2024, entry version 92.
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=MCA0098;
OS   Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Methylococcales;
OC   Methylococcaceae; Methylococcus.
OX   NCBI_TaxID=243233;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33009 / NCIMB 11132 / Bath;
RX   PubMed=15383840; DOI=10.1371/journal.pbio.0020303;
RA   Ward N.L., Larsen O., Sakwa J., Bruseth L., Khouri H.M., Durkin A.S.,
RA   Dimitrov G., Jiang L., Scanlan D., Kang K.H., Lewis M.R., Nelson K.E.,
RA   Methe B.A., Wu M., Heidelberg J.F., Paulsen I.T., Fouts D.E., Ravel J.,
RA   Tettelin H., Ren Q., Read T.D., DeBoy R.T., Seshadri R., Salzberg S.L.,
RA   Jensen H.B., Birkeland N.K., Nelson W.C., Dodson R.J., Grindhaug S.H.,
RA   Holt I.E., Eidhammer I., Jonasen I., Vanaken S., Utterback T.R.,
RA   Feldblyum T.V., Fraser C.M., Lillehaug J.R., Eisen J.A.;
RT   "Genomic insights into methanotrophy: the complete genome sequence of
RT   Methylococcus capsulatus (Bath).";
RL   PLoS Biol. 2:1616-1628(2004).
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; AE017282; AAU90722.1; -; Genomic_DNA.
DR   RefSeq; WP_010959468.1; NC_002977.6.
DR   AlphaFoldDB; Q60CK8; -.
DR   SMR; Q60CK8; -.
DR   STRING; 243233.MCA0098; -.
DR   KEGG; mca:MCA0098; -.
DR   eggNOG; COG0154; Bacteria.
DR   HOGENOM; CLU_009600_0_3_6; -.
DR   Proteomes; UP000006821; 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; Amidase signature (AS) domain; 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   NCBIfam; TIGR00132; gatA; 1.
DR   PANTHER; PTHR11895:SF151; GLUTAMYL-TRNA(GLN) AMIDOTRANSFERASE SUBUNIT A; 1.
DR   PANTHER; PTHR11895; TRANSAMIDASE; 1.
DR   Pfam; PF01425; Amidase; 1.
DR   SUPFAM; SSF75304; Amidase signature (AS) enzymes; 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..485
FT                   /note="Glutamyl-tRNA(Gln) amidotransferase subunit A"
FT                   /id="PRO_0000241117"
FT   ACT_SITE        76
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00120"
FT   ACT_SITE        151
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00120"
FT   ACT_SITE        175
FT                   /note="Acyl-ester intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00120"
SQ   SEQUENCE   485 AA;  52080 MW;  CAD9800148C2125D CRC64;
     MHRKTLAELA AGLERREFSS VELTQAHLAR IERLDPALNS FITTTPEIAL AQARAADERL
     AKGEAGPLTG IPIAQKDIFC TKGVRTSCGS RMLDSFVSPY DACVVERFNA AGAVMLGKLN
     MDEFAMGSSN ETSYYGPVKN PWNTATVPGG SSGGSAAAVA ARLVPGATGT DTGGSIRQPA
     AFCGITGLKP TYGRVSRWGM IAFASSLDQA GPMARTAEDC AIMLQIMAGF DERDSTCVDR
     PVPDYRAALG NDLDGLRIGL PKEFFGEGLD PAIAGLIHAA VDEYRRLGAI VREISLPNMH
     LSVPAYYVVA PAECSSNLAR FDGVRFGHRC ENPTDLADLY TRSRGEGFGA EVKRRILIGT
     YALSAGYYDA YYLKAQKIRR LISEDFRRAF EEVDVIMGPT APSVAFEFGA KSADPIAMYL
     SDIYTIAVNL AGLPGMSIPV GFSNGLPVGM QIIGGYFSED RLLNVAHRYQ QATDWHTRTP
     AGIAD
//
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