ID N6Y9G0_9RHOO Unreviewed; 486 AA.
AC N6Y9G0;
DT 26-JUN-2013, integrated into UniProtKB/TrEMBL.
DT 26-JUN-2013, sequence version 1.
DT 24-JAN-2024, entry version 45.
DE RecName: Full=Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit B {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 ECO:0000313|EMBL:ENO76654.1};
GN ORFNames=C664_13944 {ECO:0000313|EMBL:ENO76654.1};
OS Thauera sp. 63.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Rhodocyclales; Zoogloeaceae;
OC Thauera.
OX NCBI_TaxID=497321 {ECO:0000313|EMBL:ENO76654.1, ECO:0000313|Proteomes:UP000013007};
RN [1] {ECO:0000313|EMBL:ENO76654.1, ECO:0000313|Proteomes:UP000013007}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=63 {ECO:0000313|EMBL:ENO76654.1,
RC ECO:0000313|Proteomes:UP000013007};
RA Liu B., Shapleigh J.P., Frostegard A.H.;
RT "Draft Genome Sequences of 6 Strains from Genus Thauera.";
RL Submitted (SEP-2012) to the EMBL/GenBank/DDBJ databases.
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ENO76654.1}.
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DR EMBL; AMXC01000017; ENO76654.1; -; Genomic_DNA.
DR RefSeq; WP_004261933.1; NZ_AMXC01000017.1.
DR AlphaFoldDB; N6Y9G0; -.
DR eggNOG; COG0064; Bacteria.
DR OrthoDB; 9804078at2; -.
DR Proteomes; UP000013007; Unassembled WGS sequence.
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}; Transferase {ECO:0000313|EMBL:ENO76654.1}.
FT DOMAIN 334..484
FT /note="Asn/Gln amidotransferase"
FT /evidence="ECO:0000259|SMART:SM00845"
SQ SEQUENCE 486 AA; 52692 MW; 42D43E6BED7DCCFD CRC64;
MSRTDWEVVI GLEVHAQLNT ASKIFSGAST AFGAEPNVQA SAVDIALPGV LPVLNRGAVE
RAIRFGLAIG AHVADKSVFA RKNYFYPDLP KGYQISQMDL PVVVGGEITI RVGEGEQAYE
KTVRLTRAHL EEDAGKSLHE DFHGMTGIDL NRAGTPLLEI VSEPDMRSSA EAVAYARALH
ALVRWIDICD GNMQEGSFRC DANVSVRKKG ATEFGTRREI KNLNSFRFLQ QAIDYEVQWQ
IDTIEDGGRI QQATVLFDPD TGETRMMRSK EDAHDYRYFP DPDLLPLMIS DEWKARVQAA
MPELPGAMKA RFMDAWGLSA YDATTLTASK EVADFYQATV SAAGAALAKP CANWVMGDLA
ARLNKAELDI GASPVSPAQL AGLVARIADN TISNAIAKKV FEALWNGEGA TADEVIDKQG
LKQVTDTGAI EAMIDEVLAA NQKSVDEFRA GKDKAFNALV GQVMKASKGK ASPAQVNELL
KKKLGA
//