ID   SYQ_ECO55               Reviewed;         554 AA.
AC   B7L9L7;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   27-MAR-2024, entry version 84.
DE   RecName: Full=Glutamine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00126};
DE            EC=6.1.1.18 {ECO:0000255|HAMAP-Rule:MF_00126};
DE   AltName: Full=Glutaminyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00126};
DE            Short=GlnRS {ECO:0000255|HAMAP-Rule:MF_00126};
GN   Name=glnS {ECO:0000255|HAMAP-Rule:MF_00126};
GN   OrderedLocusNames=EC55989_0666;
OS   Escherichia coli (strain 55989 / EAEC).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585055;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=55989 / EAEC;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
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; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00126};
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00126}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00126}.
CC   -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00126}.
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DR   EMBL; CU928145; CAU96536.1; -; Genomic_DNA.
DR   RefSeq; WP_001287154.1; NC_011748.1.
DR   AlphaFoldDB; B7L9L7; -.
DR   SMR; B7L9L7; -.
DR   GeneID; 66671050; -.
DR   KEGG; eck:EC55989_0666; -.
DR   HOGENOM; CLU_001882_2_3_6; -.
DR   Proteomes; UP000000746; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004819; F:glutamine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006425; P:glutaminyl-tRNA aminoacylation; IEA:InterPro.
DR   GO; GO:0006424; P:glutamyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00807; GlnRS_core; 1.
DR   Gene3D; 3.40.50.620; HUPs; 1.
DR   HAMAP; MF_00126; Gln_tRNA_synth; 1.
DR   InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR   InterPro; IPR004514; Gln-tRNA-synth.
DR   InterPro; IPR022861; Gln_tRNA_ligase_bac.
DR   InterPro; IPR000924; Glu/Gln-tRNA-synth.
DR   InterPro; IPR020058; Glu/Gln-tRNA-synth_Ib_cat-dom.
DR   InterPro; IPR020059; Glu/Gln-tRNA-synth_Ib_codon-bd.
DR   InterPro; IPR020061; Glu_tRNA_lig_a-bdl.
DR   InterPro; IPR020056; Rbsml_bL25/Gln-tRNA_synth_N.
DR   InterPro; IPR011035; Ribosomal_bL25/Gln-tRNA_synth.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   InterPro; IPR049437; tRNA-synt_1c_C2.
DR   NCBIfam; TIGR00440; glnS; 1.
DR   PANTHER; PTHR43097:SF4; GLUTAMINE--TRNA LIGASE; 1.
DR   PANTHER; PTHR43097; GLUTAMINE-TRNA LIGASE; 1.
DR   Pfam; PF00749; tRNA-synt_1c; 1.
DR   Pfam; PF03950; tRNA-synt_1c_C; 1.
DR   Pfam; PF20974; tRNA-synt_1c_C2; 1.
DR   PRINTS; PR00987; TRNASYNTHGLU.
DR   SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR   SUPFAM; SSF50715; Ribosomal protein L25-like; 1.
DR   PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW   Nucleotide-binding; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..554
FT                   /note="Glutamine--tRNA ligase"
FT                   /id="PRO_1000199093"
FT   REGION          317..324
FT                   /note="Interaction with tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   MOTIF           34..44
FT                   /note="'HIGH' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   MOTIF           268..272
FT                   /note="'KMSKS' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   BINDING         35..37
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   BINDING         41..47
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   BINDING         67
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   BINDING         212
FT                   /ligand="L-glutamine"
FT                   /ligand_id="ChEBI:CHEBI:58359"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   BINDING         231
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   BINDING         261..262
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
FT   BINDING         269..271
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00126"
SQ   SEQUENCE   554 AA;  63478 MW;  E720164EF990F335 CRC64;
     MSEAEARPTN FIRQIIDEDL ASGKHTTVHT RFPPEPNGYL HIGHAKSICL NFGIAQDYKG
     QCNLRFDDTN PVKEDIEYVE SIKNDVEWLG FHWSGNVRYS SDYFDQLHAY AIELINKGLA
     YVDELTPEQI REYRGTLTQP GKNSPYRDRS VEENLALFEK MRAGGFEEGK ACLRAKIDMA
     SPFIVMRDPV LYRIKFAEHH QTGNKWCIYP MYDFTHCISD ALEGITHSLC TLEFQDNRRL
     YDWVLDNITI PVHPRQYEFS RLNLEYTVMS KRKLNLLVTD KHVEGWDDPR MPTISGLRRR
     GYTAASIREF CKRIGVTKQD NTIEMASLES CIREDLNENA PRAMAVIDPV KLVIENYQGE
     GEMVTMPNHP NKPEMGSRQV PFSGEIWIDR ADFREEANKQ YKRLVLGKEV RLRNAYVIKA
     ERVEKDAEGN ITTIFCTYDA DTLSKDPADG RKVKGVIHWV SAAHALPVEI RLYDRLFSVP
     NPGAADDFLS VINPESLVIK QGFAEPSLKD AVAGKAFQFE REGYFCLDSR HSTAEKPVFN
     RTVGLRDTWA KVGE
//