ID A0A1Z4NKK9_9CYAN Unreviewed; 472 AA.
AC A0A1Z4NKK9;
DT 27-SEP-2017, integrated into UniProtKB/TrEMBL.
DT 27-SEP-2017, sequence version 1.
DT 27-MAR-2024, entry version 20.
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 ORFNames=NIES3974_29200 {ECO:0000313|EMBL:BAZ06262.1};
OS Calothrix sp. NIES-3974.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Calotrichaceae;
OC Calothrix.
OX NCBI_TaxID=2005462 {ECO:0000313|EMBL:BAZ06262.1, ECO:0000313|Proteomes:UP000218621};
RN [1] {ECO:0000313|EMBL:BAZ06262.1, ECO:0000313|Proteomes:UP000218621}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NIES-3974 {ECO:0000313|EMBL:BAZ06262.1,
RC ECO:0000313|Proteomes:UP000218621};
RA Hirose Y., Shimura Y., Fujisawa T., Nakamura Y., Kawachi M.;
RT "Genome sequencing of cyanobaciteial culture collection at National
RT Institute for Environmental Studies (NIES).";
RL Submitted (JUN-2017) to the EMBL/GenBank/DDBJ databases.
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 hexagons.
CC {ECO:0000256|ARBA:ARBA00011354, ECO:0000256|RuleBase:RU000387}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|RuleBase:RU000387}.
CC -!- SIMILARITY: Belongs to the glutamine synthetase family.
CC {ECO:0000256|ARBA:ARBA00009897, ECO:0000256|PROSITE-ProRule:PRU01330,
CC ECO:0000256|RuleBase:RU000384}.
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DR EMBL; AP018254; BAZ06262.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Z4NKK9; -.
DR OrthoDB; 9807095at2; -.
DR Proteomes; UP000218621; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
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 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; IPR001637; Gln_synth_I_adenylation_site.
DR InterPro; IPR027302; Gln_synth_N_conserv_site.
DR NCBIfam; TIGR00653; GlnA; 1.
DR PANTHER; PTHR43407; GLUTAMINE SYNTHETASE; 1.
DR PANTHER; PTHR43407:SF1; LENGSIN; 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; PS00182; GLNA_ADENYLATION; 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}; Cytoplasm {ECO:0000256|RuleBase:RU000387};
KW Ligase {ECO:0000256|RuleBase:RU004356};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842};
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:UP000218621}.
FT DOMAIN 14..99
FT /note="GS beta-grasp"
FT /evidence="ECO:0000259|PROSITE:PS51986"
FT DOMAIN 106..472
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 225..227
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-2"
FT BINDING 266..267
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT BINDING 273..275
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-2"
FT BINDING 323
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT BINDING 329
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT BINDING 341
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-2"
FT BINDING 341
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT BINDING 355
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-2"
FT BINDING 362
FT /ligand="L-glutamate"
FT /ligand_id="ChEBI:CHEBI:29985"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-1"
FT MOD_RES 400
FT /note="O-AMP-tyrosine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604809-50"
SQ SEQUENCE 472 AA; 52772 MW; 2C6A844676AEAAE0 CRC64;
MTTPQEVLKM IQDKDIQMID LKFIDMLGTW QHLTVFKNQI DESSFTDGVP FDGSSIRGWK
GIEASDMAMV LDPNTAWIDP FMAEPTLSII CSIKEPRTGE YYDRCPRSIA QRAVDYVISS
GIGDTVFFGP EAEFFIFDDV RFDQNASSGY YFVDSVEGKW NSGRSEAGGN LGYKPRYKEG
YFPVPPTDTF QDMRTEMLLT MAKCGVPIEK HHHEVATGGQ CELGFKFGKL IQAADWLMTY
KYVIKNVAKK YGRTVTFMPK PVFGDNGSGM HCHQSIWKDG QPLFAGDKYA GLSELALYYI
GGLLKHAPAV LAFTNPTTNS YKRLVPGYEA PVNLAYSQGN RSASIRIPLS GTNPKAKRLE
FRCPDATSNP YLAFSVMLCA GLDGIKNKID PGEPLDKNIY ELTPEELAKV PSTPGSLDAA
LEALEQDHEF LTAGGVFSED FIQNWIAYKL DNEVNPMRLR PHPHEFALYY DC
//
