AC MF_00126; DC Protein; auto TR HAMAP; MF_00126; -; 1; level=0 XX Names: Gln_tRNA_synth XX ID SYQ DE RecName: Full=Glutamine--tRNA ligase; DE EC=6.1.1.18; DE AltName: Full=Glutaminyl-tRNA synthetase; DE Short=GlnRS; GN Name=glnS; XX CC -!- CATALYTIC ACTIVITY: CC Reaction=ATP + L-glutamine + tRNA(Gln) = AMP + diphosphate + L- CC glutaminyl-tRNA(Gln); Xref=Rhea:RHEA:20121, Rhea:RHEA-COMP:9662, CC Rhea:RHEA-COMP:9681, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, CC ChEBI:CHEBI:58359, ChEBI:CHEBI:78442, ChEBI:CHEBI:78521, CC ChEBI:CHEBI:456215; EC=6.1.1.18; CC -!- SUBUNIT: Monomer. CC -!- SUBCELLULAR LOCATION: Cytoplasm. CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family. XX DR Pfam; PF00749; tRNA-synt_1c; 1; trigger=no DR PRINTS; PR00987; TRNASYNTHGLU; 1; trigger=no DR NCBIfam; TIGR00440; glnS; 1; trigger=no DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1; trigger=no XX KW Aminoacyl-tRNA synthetase KW ATP-binding KW Cytoplasm KW Ligase KW Nucleotide-binding KW Protein biosynthesis XX GO GO:0005524; F:ATP binding GO GO:0004819; F:glutamine-tRNA ligase activity GO GO:0006424; P:glutamyl-tRNA aminoacylation GO GO:0005737; C:cytoplasm XX FT From: SYQ_ECOLI (P00962) FT BINDING 35..37 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT Optional; Condition: [ED]-P-N FT BINDING 41..47 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT Optional; Condition: H-[IL]-G-H-[AS]-K-[SA] FT BINDING 261..262 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT Optional; Condition: R-L FT BINDING 269..271 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT Optional; Condition: [MVL]-S-K FT REGION 317..324 FT /note="Interaction with tRNA" FT Optional; Condition: T-K-Q-D-N-T-I-E FT MOTIF 34..44 FT /note="'HIGH' region" FT Condition: P-[ED]-P-[NS]-G-[YF]-x-H-[LI]-G-H FT MOTIF 268..272 FT /note="'KMSKS' region" FT Condition: [LVI]-[LMT]-S-K-R FT BINDING 67 FT /ligand="L-glutamine" FT /ligand_id="ChEBI:CHEBI:58359" FT Optional; Condition: D FT BINDING 212 FT /ligand="L-glutamine" FT /ligand_id="ChEBI:CHEBI:58359" FT Optional; Condition: Y FT BINDING 231 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT Optional; Condition: T XX Size: 552-636; Related: None; Template: P00962; Scope: Bacteria Fusion: Nter: None Cter: MF_00121 (gatB) Duplicate: None Plasmid: None Comments: Partial gatB like C-terminal domain in DEIRA. Possible wrong start site in DEIRA. XX # Revision 1.31 2023/06/01 //