ID A0A6B0TXR7_9RHOB Unreviewed; 469 AA.
AC A0A6B0TXR7;
DT 17-JUN-2020, integrated into UniProtKB/TrEMBL.
DT 17-JUN-2020, sequence version 1.
DT 27-MAR-2024, entry version 13.
DE RecName: Full=Glutamine synthetase {ECO:0000256|ARBA:ARBA00021364, ECO:0000256|RuleBase:RU004356};
DE EC=6.3.1.2 {ECO:0000256|ARBA:ARBA00012937, ECO:0000256|RuleBase:RU004356};
GN Name=glnA {ECO:0000313|EMBL:MXU65803.1};
GN ORFNames=GSH16_10110 {ECO:0000313|EMBL:MXU65803.1};
OS Oceanomicrobium pacificus.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Oceanomicrobium.
OX NCBI_TaxID=2692916 {ECO:0000313|EMBL:MXU65803.1, ECO:0000313|Proteomes:UP000436016};
RN [1] {ECO:0000313|EMBL:MXU65803.1, ECO:0000313|Proteomes:UP000436016}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KN286 {ECO:0000313|EMBL:MXU65803.1,
RC ECO:0000313|Proteomes:UP000436016};
RA Wang Q.;
RT "Strain KN286 was isolated from seawater, which was collected from Caroline
RT Seamount in the tropical western Pacific.";
RL Submitted (DEC-2019) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the ATP-dependent biosynthesis of glutamine from
CC glutamate and ammonia. {ECO:0000256|ARBA:ARBA00003117}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-glutamate + NH4(+) = ADP + H(+) + L-glutamine +
CC phosphate; Xref=Rhea:RHEA:16169, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:28938, ChEBI:CHEBI:29985, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58359, ChEBI:CHEBI:456216; EC=6.3.1.2;
CC Evidence={ECO:0000256|RuleBase:RU004356};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- SUBUNIT: Oligomer of 12 subunits arranged in the form of two hexameric
CC ring. {ECO:0000256|ARBA:ARBA00011258}.
CC -!- SIMILARITY: Belongs to the glutamine synthetase family.
CC {ECO:0000256|ARBA:ARBA00009897, ECO:0000256|PROSITE-ProRule:PRU01330,
CC ECO:0000256|RuleBase:RU000384}.
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:MXU65803.1}.
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DR EMBL; WUWG01000003; MXU65803.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A6B0TXR7; -.
DR Proteomes; UP000436016; Unassembled WGS sequence.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004356; F:glutamine synthetase activity; IEA:UniProtKB-EC.
DR GO; GO:0006542; P:glutamine biosynthetic process; IEA:InterPro.
DR GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR Gene3D; 3.10.20.70; Glutamine synthetase, N-terminal domain; 1.
DR Gene3D; 3.30.590.10; Glutamine synthetase/guanido kinase, catalytic domain; 1.
DR InterPro; IPR008147; Gln_synt_N.
DR InterPro; IPR036651; Gln_synt_N_sf.
DR InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR InterPro; IPR008146; Gln_synth_cat_dom.
DR InterPro; IPR027303; Gln_synth_gly_rich_site.
DR InterPro; IPR004809; Gln_synth_I.
DR InterPro; IPR027302; Gln_synth_N_conserv_site.
DR NCBIfam; TIGR00653; GlnA; 1.
DR PANTHER; PTHR43407; GLUTAMINE SYNTHETASE; 1.
DR PANTHER; PTHR43407:SF2; GLUTAMINE SYNTHETASE; 1.
DR Pfam; PF00120; Gln-synt_C; 1.
DR Pfam; PF03951; Gln-synt_N; 1.
DR SMART; SM01230; Gln-synt_C; 1.
DR SUPFAM; SSF54368; Glutamine synthetase, N-terminal domain; 1.
DR SUPFAM; SSF55931; Glutamine synthetase/guanido kinase; 1.
DR PROSITE; PS00180; GLNA_1; 1.
DR PROSITE; PS00181; GLNA_ATP; 1.
DR PROSITE; PS51986; GS_BETA_GRASP; 1.
DR PROSITE; PS51987; GS_CATALYTIC; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|PIRSR:PIRSR604809-2,
KW ECO:0000256|RuleBase:RU004356};
KW Ligase {ECO:0000256|RuleBase:RU004356, ECO:0000313|EMBL:MXU65803.1};
KW Nitrogen fixation {ECO:0000256|ARBA:ARBA00023231};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR604809-2,
KW ECO:0000256|RuleBase:RU004356};
KW Phosphoprotein {ECO:0000256|PIRSR:PIRSR604809-50};
KW Reference proteome {ECO:0000313|Proteomes:UP000436016}.
FT DOMAIN 14..98
FT /note="GS beta-grasp"
FT /evidence="ECO:0000259|PROSITE:PS51986"
FT DOMAIN 106..469
FT /note="GS catalytic"
FT /evidence="ECO:0000259|PROSITE:PS51987"
FT BINDING 209
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-2"
FT BINDING 265..266
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT BINDING 322
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT BINDING 328
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT BINDING 340
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-2"
FT BINDING 340
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT BINDING 353
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-2"
FT BINDING 360
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT MOD_RES 398
FT /note="O-AMP-tyrosine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-50"
SQ SEQUENCE 469 AA; 52400 MW; 8C19675F5004E255 CRC64;
MSDQASVLKQ LKDDDIEYVD IRFTDPRGKL QHVTVMADQV DEDFLEEGFM FDGSSIAGWK
SIDKSDMKLM PDCGSAYVDP FYAEKTLCLH CSVLEPDTNE PYDRDPRGTA EKAEAYLKAS
GIGDVSYFGP EAEFFLFDDV RFSNTMNKVS YEVDAADAAW NTDTEYEMGN MGHRPGVKGG
YFPVNPTDAA QDLRSEMLST MKRIGMKVDK HHHEVASCQH ELGLIFSSLT EQADHLQKYK
YVIHNVAQAY GKSATFMPKP IAGDNGTGMH VNMSIWKDGK PLFAGDKYAD LSDEALWFIG
GILKHAKALN AFTNPSTNSY KRLIPGFEAP VLRAYSARNR SGCVRIPWTE SPKAKRVEAR
FPDPSANPYL CFAALLMAGL DGIKNKIDPG EPSDKDLYDL PPEELADIPT VCASLREALE
SLEDDMDFLL AGDVFTKDQI EGYMALKWDE VFAFEHTPHP VEFGMYYSC
//
