ID A0A1D7NPC8_9SPHN Unreviewed; 498 AA.
AC A0A1D7NPC8;
DT 18-JAN-2017, integrated into UniProtKB/TrEMBL.
DT 18-JAN-2017, sequence version 1.
DT 24-JAN-2024, entry version 24.
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 ORFNames=BG023_112725 {ECO:0000313|EMBL:AOL95634.1};
OS Porphyrobacter sp. LM 6.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Erythrobacteraceae; Erythrobacter/Porphyrobacter group; Porphyrobacter.
OX NCBI_TaxID=1896196 {ECO:0000313|EMBL:AOL95634.1, ECO:0000313|Proteomes:UP000094080};
RN [1] {ECO:0000313|EMBL:AOL95634.1, ECO:0000313|Proteomes:UP000094080}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LM 6 {ECO:0000313|EMBL:AOL95634.1,
RC ECO:0000313|Proteomes:UP000094080};
RA Hentchel K., Vargas G., Fiebig A., Coleman M., Crosson S.;
RT "Genome sequences of bacteria isolated from the littoral zone of southern
RT Lake Michigan.";
RL Submitted (AUG-2016) 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 ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP017113; AOL95634.1; -; Genomic_DNA.
DR RefSeq; WP_069310886.1; NZ_CP017113.1.
DR AlphaFoldDB; A0A1D7NPC8; -.
DR STRING; 1896196.BG023_112725; -.
DR KEGG; porl:BG023_112725; -.
DR PATRIC; fig|1896196.3.peg.2702; -.
DR OrthoDB; 9804078at2; -.
DR Proteomes; UP000094080; 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 Gene3D; 1.10.150.380; GatB domain, N-terminal subdomain; 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; IPR042114; GatB_C_1.
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; 2.
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:AOL95634.1}.
FT DOMAIN 345..497
FT /note="Asn/Gln amidotransferase"
FT /evidence="ECO:0000259|SMART:SM00845"
SQ SEQUENCE 498 AA; 54155 MW; 5F375297899B976D CRC64;
MSNYRIQGAT GEWEVVIGLE VHAQVTSNSK LFSGAATAFG AEPNSQVSLV DAAMPGMLPV
PNRECIRQAV RTGMAIEAQI NAWSRFDRKN YFYADLPQGY QISQLYHPLV GEGSLLIEAD
EKAGIPEDKV IGIERIHVEQ DAGKLMHDQH PTMSYVDLNR SGVALMEIVS KPDMRSPAEA
GAYLRKLRAI LRYVGSCDGN MEEGSMRADV NVSVRKVGEP FGTRTETKNV NSVRFVMQAI
EHEAMRQVDV LEAGGSVVQE TRLFDPGTGT TRTMRSKEDA HDYRYFPDPD LLPLVLEEDF
LAECRASLPE LPDAKRKRYV EVLGLTPYNA RELTAEVETF ARFETLLAET AKVIGKDEAK
VATQVANWSL SVAPGVMKAL GDEADAANAT AAAQAAILAM QEKGEISGGQ AKEIFEIVLK
TGRDPSEIAE AEGLKQVSDT GAIEAAVDAI IAANADKVEQ YRGGKEALFG FFVGQTMKAM
QGKANPAVVN QLLKDKLG
//