ID GATB_SALTO Reviewed; 499 AA. AC A4X491; DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot. DT 29-MAY-2007, sequence version 1. DT 27-MAR-2024, entry version 90. DE RecName: Full=Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit B {ECO:0000255|HAMAP-Rule:MF_00121}; DE Short=Asp/Glu-ADT subunit B {ECO:0000255|HAMAP-Rule:MF_00121}; DE EC=6.3.5.- {ECO:0000255|HAMAP-Rule:MF_00121}; GN Name=gatB {ECO:0000255|HAMAP-Rule:MF_00121}; GN OrderedLocusNames=Strop_1221; OS Salinispora tropica (strain ATCC BAA-916 / DSM 44818 / JCM 13857 / NBRC OS 105044 / CNB-440). OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales; OC Micromonosporaceae; Salinispora. OX NCBI_TaxID=369723; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC BAA-916 / DSM 44818 / JCM 13857 / NBRC 105044 / CNB-440; RX PubMed=17563368; DOI=10.1073/pnas.0700962104; RA Udwary D.W., Zeigler L., Asolkar R.N., Singan V., Lapidus A., Fenical W., RA Jensen P.R., Moore B.S.; RT "Genome sequencing reveals complex secondary metabolome in the marine RT actinomycete Salinispora tropica."; RL Proc. Natl. Acad. Sci. U.S.A. 104:10376-10381(2007). 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:0000255|HAMAP-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:0000255|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:0000255|HAMAP-Rule:MF_00121}; CC -!- SUBUNIT: Heterotrimer of A, B and C subunits. {ECO:0000255|HAMAP- CC Rule:MF_00121}. CC -!- SIMILARITY: Belongs to the GatB/GatE family. GatB subfamily. CC {ECO:0000255|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; CP000667; ABP53691.1; -; Genomic_DNA. DR RefSeq; WP_011905123.1; NC_009380.1. DR AlphaFoldDB; A4X491; -. DR SMR; A4X491; -. DR STRING; 369723.Strop_1221; -. DR KEGG; stp:Strop_1221; -. DR PATRIC; fig|369723.5.peg.1244; -. DR eggNOG; COG0064; Bacteria. DR HOGENOM; CLU_019240_0_0_11; -. DR Proteomes; UP000000235; 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: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; Ligase; Nucleotide-binding; Protein biosynthesis; KW Reference proteome. FT CHAIN 1..499 FT /note="Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase FT subunit B" FT /id="PRO_1000095242" SQ SEQUENCE 499 AA; 53726 MW; 2DCB1A5CAB3130F7 CRC64; MTTTLPAYDE VVARYEPVIG LETHVELGTN TKMFCGCPTD FGGAPNTRVC PVCLGLPGSL PVANRAAVEA TIRIGLALNC SIAEWCRFAR KNYYYPDMPK NYQISQYDEP LCVDGYLDVE VDGEPVRISI ERVHMEEDTG KTLHVGGATG RIHGATESLV DYNRAGIPLV EIVTKPIPGA GAMAPEVARA YVTELRDVLR SLGVSDVRME EGSLRCDVNT SLNLPGEQWG TRTETKNVNS LRSVERAVRS EMIRQASVLE GGGRITQETR HFHEDTGDTT SGRSKETATD YRYFPEPDLV PVAPDPTWVA ELKAALPELP RLHRRRLQQE WGLSDLDMQS ILNAGAVELI EATIAAGATP TAARKWWLGE LSRRANEAGV ELADIGATPE QVAELQGLVD AGKLTDKLAR TVLEHVVAGE GSPAKIMADR NLEVVSDTGA LTAAVDEAIA ANPAIADKVR GGKVAAAGAL VGAVMKTTRG QADAKTVREL ILERLGVQG //