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PURL_RHOPS
ID   PURL_RHOPS              Reviewed;         736 AA.
AC   Q13AA1;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   31-OCT-2006, sequence version 1.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=Phosphoribosylformylglycinamidine synthase subunit PurL {ECO:0000255|HAMAP-Rule:MF_00420};
DE            Short=FGAM synthase {ECO:0000255|HAMAP-Rule:MF_00420};
DE            EC=6.3.5.3 {ECO:0000255|HAMAP-Rule:MF_00420};
DE   AltName: Full=Formylglycinamide ribonucleotide amidotransferase subunit II {ECO:0000255|HAMAP-Rule:MF_00420};
DE            Short=FGAR amidotransferase II {ECO:0000255|HAMAP-Rule:MF_00420};
DE            Short=FGAR-AT II {ECO:0000255|HAMAP-Rule:MF_00420};
DE   AltName: Full=Glutamine amidotransferase PurL {ECO:0000255|HAMAP-Rule:MF_00420};
DE   AltName: Full=Phosphoribosylformylglycinamidine synthase subunit II {ECO:0000255|HAMAP-Rule:MF_00420};
GN   Name=purL {ECO:0000255|HAMAP-Rule:MF_00420}; OrderedLocusNames=RPD_1752;
OS   Rhodopseudomonas palustris (strain BisB5).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=316057;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BisB5;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Pelletier D.A., Kyrpides N., Lykidis A., Oda Y., Harwood C.S.,
RA   Richardson P.;
RT   "Complete sequence of Rhodopseudomonas palustris BisB5.";
RL   Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases.
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:0000255|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:0000255|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:0000255|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:0000255|HAMAP-Rule:MF_00420}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00420}.
CC   -!- SIMILARITY: Belongs to the FGAMS family. {ECO:0000255|HAMAP-
CC       Rule:MF_00420}.
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DR   EMBL; CP000283; ABE38988.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q13AA1; -.
DR   SMR; Q13AA1; -.
DR   STRING; 316057.RPD_1752; -.
DR   EnsemblBacteria; ABE38988; ABE38988; RPD_1752.
DR   KEGG; rpd:RPD_1752; -.
DR   eggNOG; COG0046; Bacteria.
DR   HOGENOM; CLU_003100_0_1_5; -.
DR   OMA; FIEPYQG; -.
DR   OrthoDB; 26038at2; -.
DR   BioCyc; RPAL316057:RPD_RS08815-MON; -.
DR   UniPathway; UPA00074; UER00128.
DR   Proteomes; UP000001818; 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   Gene3D; 3.30.1330.10; -; 2.
DR   Gene3D; 3.90.650.10; -; 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   PANTHER; PTHR43555; PTHR43555; 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; SSF55326; SSF55326; 2.
DR   SUPFAM; SSF56042; SSF56042; 2.
DR   TIGRFAMs; TIGR01736; FGAM_synth_II; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Ligase; Magnesium; Metal-binding;
KW   Nucleotide-binding; Purine biosynthesis.
FT   CHAIN           1..736
FT                   /note="Phosphoribosylformylglycinamidine synthase subunit
FT                   PurL"
FT                   /id="PRO_1000050344"
FT   ACT_SITE        49
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   ACT_SITE        95
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         52
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         91
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         93
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         94..97
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         116
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         117
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         240
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         268
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         312..314
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         493
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         530
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         531
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         533
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
SQ   SEQUENCE   736 AA;  78589 MW;  7C8681AB254BD187 CRC64;
     MSAPEPKITP ELVASHGLKP DEYQRILDLI GREPSFTELG IFSAMWNEHC SYKSSRIHLR
     GLPTKAPWVL QGPGENAGVI DIGDNQAVVF KMESHNHPSY IEPYQGATTG VGGILRDVFT
     MGARPIACLN ALSFGAPEHP KTRHLVSGVV AGVGGYGNSF GVPTVGGQTR FHTRYDGNIL
     VNAMAVGLAD ADKIFLAAAS GVGMPIVYLG SKTGRDGMGG ATMASAEFGE GSEEKRPTVQ
     VGDPFAEKLL LEACLEIMAN DCVIAIQDMG AAGLTCSAVE MGAKGDLGVD LDLDAVPTRE
     TGMTAYEMML SESQERMLMV LKPEKEKEAE AIFRKWGLDF AVVGYTTPTK RFVVKHGGKA
     MADLPIKELG DEAPLYDRPW VESPKLPVIH AREVNAPNSI ADALEKLLAT PDLCSKRWVW
     EQYDHVIGGN TLQRPGGDAA VVRVQDGPKG LALTVDVTPR YCEADPFEGG KQAVAEAWRN
     ITAVGGKPLA ITDNLNFGNP ERPEIMGQFV GCLKGIAEAC IAFDFPVVSG NVSLYNETSG
     RGILPTPSIG GVGLLDDFTK SATLAFKAEG EAILLIGETH GWLGQSVYLR DICGREEGAP
     PPVDLACEKR HGDVVRGMIH AGTATAVHDL SDGGLLVALA EMALAGSIGA SLEAPPDGIV
     PHAWWFGEDQ GRYLVTVKED DLLTVLSKMK SVGVSCEQIG RTAGHTLKIE GERALDLKAL
     RHAHEHWLPD YMGGKN
 
 
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