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Database: UniProt
Entry: G8PS18_PSEUV
LinkDB: G8PS18_PSEUV
Original site: G8PS18_PSEUV 
ID   G8PS18_PSEUV            Unreviewed;       755 AA.
AC   G8PS18;
DT   22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT   22-FEB-2012, sequence version 1.
DT   24-JAN-2024, entry version 65.
DE   RecName: Full=Phosphoribosylformylglycinamidine synthase subunit PurL {ECO:0000256|HAMAP-Rule:MF_00420};
DE            Short=FGAM synthase {ECO:0000256|HAMAP-Rule:MF_00420};
DE            EC=6.3.5.3 {ECO:0000256|HAMAP-Rule:MF_00420};
DE   AltName: Full=Formylglycinamide ribonucleotide amidotransferase subunit II {ECO:0000256|HAMAP-Rule:MF_00420};
DE            Short=FGAR amidotransferase II {ECO:0000256|HAMAP-Rule:MF_00420};
DE            Short=FGAR-AT II {ECO:0000256|HAMAP-Rule:MF_00420};
DE   AltName: Full=Glutamine amidotransferase PurL {ECO:0000256|HAMAP-Rule:MF_00420};
DE   AltName: Full=Phosphoribosylformylglycinamidine synthase subunit II {ECO:0000256|HAMAP-Rule:MF_00420};
GN   Name=purL {ECO:0000256|HAMAP-Rule:MF_00420,
GN   ECO:0000313|EMBL:AEV38553.1};
GN   OrderedLocusNames=PSE_4049 {ECO:0000313|EMBL:AEV38553.1};
OS   Pseudovibrio sp. (strain FO-BEG1).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Stappiaceae; Pseudovibrio.
OX   NCBI_TaxID=911045 {ECO:0000313|EMBL:AEV38553.1, ECO:0000313|Proteomes:UP000005634};
RN   [1] {ECO:0000313|Proteomes:UP000005634}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=FO-BEG1 {ECO:0000313|Proteomes:UP000005634};
RA   Bondarev V., Richter M., Piel J., Schwedt A., Schulz-Vogt H.N.;
RT   "The genus Pseudovibrio contains metabolically versatile and symbiotically
RT   interacting bacteria.";
RL   Submitted (NOV-2011) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|EMBL:AEV38553.1, ECO:0000313|Proteomes:UP000005634}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=FO-BEG1 {ECO:0000313|EMBL:AEV38553.1,
RC   ECO:0000313|Proteomes:UP000005634};
RX   PubMed=23601235; DOI=10.1111/1462-2920.12123;
RA   Bondarev V., Richter M., Romano S., Piel J., Schwedt A., Schulz-Vogt H.N.;
RT   "The genus Pseudovibrio contains metabolically versatile bacteria adapted
RT   for symbiosis.";
RL   Environ. Microbiol. 15:2095-2113(2013).
CC   -!- FUNCTION: Part of the phosphoribosylformylglycinamidine synthase
CC       complex involved in the purines biosynthetic pathway. Catalyzes the
CC       ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and
CC       glutamine to yield formylglycinamidine ribonucleotide (FGAM) and
CC       glutamate. The FGAM synthase complex is composed of three subunits.
CC       PurQ produces an ammonia molecule by converting glutamine to glutamate.
CC       PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP-
CC       dependent manner. PurS interacts with PurQ and PurL and is thought to
CC       assist in the transfer of the ammonia molecule from PurQ to PurL.
CC       {ECO:0000256|HAMAP-Rule:MF_00420}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O + L-glutamine + N(2)-formyl-N(1)-(5-phospho-beta-D-
CC         ribosyl)glycinamide = 2-formamido-N(1)-(5-O-phospho-beta-D-
CC         ribosyl)acetamidine + ADP + H(+) + L-glutamate + phosphate;
CC         Xref=Rhea:RHEA:17129, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:58359, ChEBI:CHEBI:147286, ChEBI:CHEBI:147287,
CC         ChEBI:CHEBI:456216; EC=6.3.5.3; Evidence={ECO:0000256|HAMAP-
CC         Rule:MF_00420};
CC   -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC       amino-1-(5-phospho-D-ribosyl)imidazole from N(2)-formyl-N(1)-(5-
CC       phospho-D-ribosyl)glycinamide: step 1/2. {ECO:0000256|HAMAP-
CC       Rule:MF_00420}.
CC   -!- SUBUNIT: Monomer. Part of the FGAM synthase complex composed of 1 PurL,
CC       1 PurQ and 2 PurS subunits. {ECO:0000256|HAMAP-Rule:MF_00420}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00420}.
CC   -!- SIMILARITY: Belongs to the FGAMS family. {ECO:0000256|HAMAP-
CC       Rule:MF_00420}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00420}.
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DR   EMBL; CP003147; AEV38553.1; -; Genomic_DNA.
DR   AlphaFoldDB; G8PS18; -.
DR   STRING; 911045.PSE_4049; -.
DR   KEGG; psf:PSE_4049; -.
DR   eggNOG; COG0046; Bacteria.
DR   HOGENOM; CLU_003100_0_1_5; -.
DR   OMA; FIEPYQG; -.
DR   UniPathway; UPA00074; UER00128.
DR   Proteomes; UP000005634; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004642; F:phosphoribosylformylglycinamidine synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02203; PurL_repeat1; 1.
DR   CDD; cd02204; PurL_repeat2; 1.
DR   Gene3D; 3.90.650.10; PurM-like C-terminal domain; 2.
DR   Gene3D; 3.30.1330.10; PurM-like, N-terminal domain; 2.
DR   HAMAP; MF_00420; PurL_2; 1.
DR   InterPro; IPR010074; PRibForGlyAmidine_synth_PurL.
DR   InterPro; IPR041609; PurL_linker.
DR   InterPro; IPR010918; PurM-like_C_dom.
DR   InterPro; IPR036676; PurM-like_C_sf.
DR   InterPro; IPR016188; PurM-like_N.
DR   InterPro; IPR036921; PurM-like_N_sf.
DR   NCBIfam; TIGR01736; FGAM_synth_II; 1.
DR   PANTHER; PTHR43555; PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE SUBUNIT PURL; 1.
DR   PANTHER; PTHR43555:SF1; PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE SUBUNIT PURL; 1.
DR   Pfam; PF00586; AIRS; 2.
DR   Pfam; PF02769; AIRS_C; 2.
DR   Pfam; PF18072; FGAR-AT_linker; 1.
DR   PIRSF; PIRSF001587; FGAM_synthase_II; 1.
DR   SUPFAM; SSF56042; PurM C-terminal domain-like; 2.
DR   SUPFAM; SSF55326; PurM N-terminal domain-like; 2.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|HAMAP-Rule:MF_00420};
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00420};
KW   Ligase {ECO:0000256|HAMAP-Rule:MF_00420, ECO:0000313|EMBL:AEV38553.1};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00420};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_00420}; Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00420};
KW   Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW   Rule:MF_00420}.
FT   DOMAIN          38..75
FT                   /note="Phosphoribosylformylglycinamidine synthase linker"
FT                   /evidence="ECO:0000259|Pfam:PF18072"
FT   DOMAIN          96..210
FT                   /note="PurM-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00586"
FT   DOMAIN          224..376
FT                   /note="PurM-like C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02769"
FT   DOMAIN          458..576
FT                   /note="PurM-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00586"
FT   DOMAIN          592..724
FT                   /note="PurM-like C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02769"
FT   ACT_SITE        71
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   ACT_SITE        117
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         74
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         113
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         115
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         116..119
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         138
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         139
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         262
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         290
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         334..336
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         515
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         552
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         553
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
FT   BINDING         555
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00420"
SQ   SEQUENCE   755 AA;  80475 MW;  9827D266AC78A2AE CRC64;
     MNPVKQPVTF GPGAQRPNFL SVMIQNSVKI TPELIEAHGL KEDEYARILE LIGREPTFTE
     LGIFSAMWNE HCSYKSSKKW LKTLPTTGPR VIQGPGENAG VVDIDDGQAV VFKMESHNHP
     SYIEPYQGAA TGVGGILRDV FTMGARPVAA MNALRFGEPD HPRTRHLVSG VVSGVGGYGN
     SFGVPTVGGE VEFHKSYNGN CLVNAFAAGL ADADKIFLSE AKGVGLPVVY LGAKTGRDGV
     GGATMASAEF DDSIDEKRPT VQVGDPFTEK CLMEACLELM KTGAVIAIQD MGAAGLTCSA
     VEMGAKGNLG IELDLDKVPA REENMTAYEM MLSESQERML MVLEPSKEKE AEAIFTKWGL
     DFAICGITTD TLRFVVKQHG EVMADLPIKE LGDEAPEYDR PWTQWPEPEE IAAANVEEPT
     DYKEALLKLL GGANGSSRRW VYEQYDTLIQ GNSAATPGGD AGVIRVDGTD KGLAFSVDVN
     PRYCYANPYE GGKQAVAETY RNLSAVGSLP LAITDNLNFG NPEKPEIMGQ FVGCLKGIGE
     ACEVLETPIV SGNVSLYNET YGEGILPTPA IGGVGLLKDV TKRVGSAFVS TGETIVVLGG
     KGKHLGSSQY LQEVLGREEG APPPVDLEVE KLTGTFVREA ITEGRITAAH DISSGGLAVA
     LAEMAIKGKL GATAKVTGDH PHAILFGEDQ SRYVVTVAEE KLAAFLEDAI DAGISTEEIG
     KTGGNTLVLG GKISVSVEEL NNAFEGWFPH FMQAS
//
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