ID A0A1Q2D1G6_9ACTN Unreviewed; 495 AA.
AC A0A1Q2D1G6;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 28.
DE RecName: Full=Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit B {ECO:0000256|ARBA:ARBA00016923, ECO:0000256|HAMAP-Rule:MF_00121};
DE Short=Asp/Glu-ADT subunit B {ECO:0000256|HAMAP-Rule:MF_00121};
DE EC=6.3.5.- {ECO:0000256|HAMAP-Rule:MF_00121};
GN Name=gatB {ECO:0000256|HAMAP-Rule:MF_00121};
GN ORFNames=BW733_16025 {ECO:0000313|EMBL:AQP52105.1};
OS Tessaracoccus flavescens.
OC Bacteria; Actinomycetota; Actinomycetes; Propionibacteriales;
OC Propionibacteriaceae; Tessaracoccus.
OX NCBI_TaxID=399497 {ECO:0000313|EMBL:AQP52105.1, ECO:0000313|Proteomes:UP000188235};
RN [1] {ECO:0000313|EMBL:AQP52105.1, ECO:0000313|Proteomes:UP000188235}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SST-39T {ECO:0000313|EMBL:AQP52105.1,
RC ECO:0000313|Proteomes:UP000188235};
RX PubMed=18398170; DOI=10.1099/ijs.0.64868-0;
RA Lee D.W., Lee S.D.;
RT "Tessaracoccus flavescens sp. nov., isolated from marine sediment.";
RL Int. J. Syst. Evol. Microbiol. 58:785-789(2008).
CC -!- FUNCTION: Allows the formation of correctly charged Asn-tRNA(Asn) or
CC Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn)
CC or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl-
CC tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the
CC presence of glutamine and ATP through an activated phospho-Asp-
CC tRNA(Asn) or phospho-Glu-tRNA(Gln). {ECO:0000256|ARBA:ARBA00024799,
CC ECO:0000256|HAMAP-Rule:MF_00121}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + L-aspartyl-tRNA(Asn) + L-glutamine = ADP + 2 H(+)
CC + L-asparaginyl-tRNA(Asn) + L-glutamate + phosphate;
CC Xref=Rhea:RHEA:14513, Rhea:RHEA-COMP:9674, Rhea:RHEA-COMP:9677,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:29985,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:58359,
CC ChEBI:CHEBI:78515, ChEBI:CHEBI:78516, ChEBI:CHEBI:456216;
CC Evidence={ECO:0000256|ARBA:ARBA00000352, ECO:0000256|HAMAP-
CC Rule:MF_00121};
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;
CC Evidence={ECO:0000256|ARBA:ARBA00000924, ECO:0000256|HAMAP-
CC Rule:MF_00121};
CC -!- SUBUNIT: Heterotrimer of A, B and C subunits.
CC {ECO:0000256|ARBA:ARBA00011123, ECO:0000256|HAMAP-Rule:MF_00121}.
CC -!- SIMILARITY: Belongs to the GatB/GatE family. GatB subfamily.
CC {ECO:0000256|ARBA:ARBA00005306, ECO:0000256|HAMAP-Rule:MF_00121}.
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DR EMBL; CP019607; AQP52105.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Q2D1G6; -.
DR STRING; 399497.BW733_16025; -.
DR KEGG; tfa:BW733_16025; -.
DR OrthoDB; 9804078at2; -.
DR Proteomes; UP000188235; Chromosome.
DR GO; GO:0050566; F:asparaginyl-tRNA synthase (glutamine-hydrolyzing) activity; IEA:RHEA.
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:0016740; F:transferase activity; IEA:UniProtKB-KW.
DR GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.10.410; -; 1.
DR HAMAP; MF_00121; GatB; 1.
DR InterPro; IPR017959; Asn/Gln-tRNA_amidoTrfase_suB/E.
DR InterPro; IPR006075; Asn/Gln-tRNA_Trfase_suB/E_cat.
DR InterPro; IPR018027; Asn/Gln_amidotransferase.
DR InterPro; IPR003789; Asn/Gln_tRNA_amidoTrase-B-like.
DR InterPro; IPR004413; GatB.
DR InterPro; IPR023168; GatB_Yqey_C_2.
DR InterPro; IPR017958; Gln-tRNA_amidoTrfase_suB_CS.
DR InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR NCBIfam; TIGR00133; gatB; 1.
DR PANTHER; PTHR11659; GLUTAMYL-TRNA GLN AMIDOTRANSFERASE SUBUNIT B MITOCHONDRIAL AND PROKARYOTIC PET112-RELATED; 1.
DR PANTHER; PTHR11659:SF0; GLUTAMYL-TRNA(GLN) AMIDOTRANSFERASE SUBUNIT B, MITOCHONDRIAL; 1.
DR Pfam; PF02934; GatB_N; 1.
DR Pfam; PF02637; GatB_Yqey; 1.
DR SMART; SM00845; GatB_Yqey; 1.
DR SUPFAM; SSF89095; GatB/YqeY motif; 1.
DR SUPFAM; SSF55931; Glutamine synthetase/guanido kinase; 1.
DR PROSITE; PS01234; GATB; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00121};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00121};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00121};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_00121}; Reference proteome {ECO:0000313|Proteomes:UP000188235};
KW Transferase {ECO:0000313|EMBL:AQP52105.1}.
FT DOMAIN 347..494
FT /note="Asn/Gln amidotransferase"
FT /evidence="ECO:0000259|SMART:SM00845"
FT REGION 261..287
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 495 AA; 53599 MW; E852DA9B9BF24D44 CRC64;
MSATVDYDEL LTRYEPALGL EVHVELNTNT KMFCGCANEF GGEPNTHVCP VCLGLPGSLP
VINGKAVESA IRIGLALNCE IAQWCRMARK NYFYPDMTKN FQTSQYDEPI AFEGWVDLEV
EGKTYRVEIE RAHMEEDAGK ATHVGGSGRI QGADYSLIDY NRAGVPLIEI VTKPIRGAGE
KAPEVAKAYV AHLRELMKAL GVSDVRMEQG SLRCDANVSL APIGSETLGT RTETKNVNSL
RSVERAIRYE MTRQAAILDD GGKVRQETRH FHESDGTTSS GRSKEEAEDY RYFAEPDLMP
IAPSRDWVEE LRATLPEPPA ERRARLQGEW GFSDIDFAAV VNSGALGMVE DTVAAGASPA
SARKWWVTEL ARRANEAGVE LDELAITPAQ VAGVQALVDE GKVNDKLARQ VIDGVLAGEG
EPSEVVEKRG LVVVSDEGAL SAAVDEVIAA NPDVADKIRS GKVQAAGALI GQVMKAMRGQ
ADAGKVRELV LSKLS
//