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PURL_RHILO
ID   PURL_RHILO              Reviewed;         743 AA.
AC   Q98NN7;
DT   05-MAR-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2001, sequence version 1.
DT   03-AUG-2022, entry version 114.
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=mll0057;
OS   Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099)
OS   (Mesorhizobium loti (strain MAFF 303099)).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Phyllobacteriaceae; Mesorhizobium.
OX   NCBI_TaxID=266835;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LMG 29417 / CECT 9101 / MAFF 303099;
RX   PubMed=11214968; DOI=10.1093/dnares/7.6.331;
RA   Kaneko T., Nakamura Y., Sato S., Asamizu E., Kato T., Sasamoto S.,
RA   Watanabe A., Idesawa K., Ishikawa A., Kawashima K., Kimura T., Kishida Y.,
RA   Kiyokawa C., Kohara M., Matsumoto M., Matsuno A., Mochizuki Y.,
RA   Nakayama S., Nakazaki N., Shimpo S., Sugimoto M., Takeuchi C., Yamada M.,
RA   Tabata S.;
RT   "Complete genome structure of the nitrogen-fixing symbiotic bacterium
RT   Mesorhizobium loti.";
RL   DNA Res. 7:331-338(2000).
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; BA000012; BAB47724.1; -; Genomic_DNA.
DR   RefSeq; WP_010909094.1; NC_002678.2.
DR   AlphaFoldDB; Q98NN7; -.
DR   SMR; Q98NN7; -.
DR   STRING; 266835.14021111; -.
DR   PRIDE; Q98NN7; -.
DR   EnsemblBacteria; BAB47724; BAB47724; BAB47724.
DR   KEGG; mlo:mll0057; -.
DR   PATRIC; fig|266835.9.peg.44; -.
DR   eggNOG; COG0046; Bacteria.
DR   HOGENOM; CLU_003100_0_1_5; -.
DR   OMA; FIEPYQG; -.
DR   OrthoDB; 26038at2; -.
DR   UniPathway; UPA00074; UER00128.
DR   Proteomes; UP000000552; 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..743
FT                   /note="Phosphoribosylformylglycinamidine synthase subunit
FT                   PurL"
FT                   /id="PRO_0000100481"
FT   ACT_SITE        50
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   ACT_SITE        96
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         53
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         92
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         94
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         95..98
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         117
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         118
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         241
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         269
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         313..315
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         494
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         531
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         532
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT   BINDING         534
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
SQ   SEQUENCE   743 AA;  78927 MW;  AE2C366AE9BFBB35 CRC64;
     MTISNSVPIT PELIAAHGLK PDEYQRILDL VGREPSFTEL GIFSAMWNEH CSYKSSKKWL
     RTLPTTGPQV IQGPGENAGV VDIGDGDCVV FKMESHNHPS FIEPYQGAAT GVGGILRDVF
     TMGARPIAAM NALRFGAPDH PKTRHLVAGV VSGVGGYGNS FGVPTVGGEV NFDARYNGNI
     LVNAFAAGLA KTNAIFLSEA KGVGLPVVYL GAKTGRDGVG GATMASAEFD DKIDEKRPTV
     QVGDPFTEKC LLEACLELMA SGAVIAIQDM GAAGLTCSAV EMGAKGDLGI ELDLDKVPVR
     EERMSAYEMM LSESQERMLM VLRPEKEKEA EAIFHKWGLD FAIVGKTTDD LRFRVLHQGD
     QVADLPIKDL GDKAPEYDRP WIEPKKPAPL AANDIPQADV ADALLKLLGG PDLSSRRWVW
     EQYDTLIQGN SLQLPGGDAG VVRVEGHATK ALAFSSDVTP RYCEADPYEG GKQAVAECWR
     NLTATGALPL AATDNLNFGN PERPEIMGQL VGAVKGIGDA CRALGFPIVS GNVSLYNETN
     GQGILPTPTI GGVGLIADWS KMVRTGFAAQ DQMILLVGAP ASWGTHLGQS VYFRDIHGRT
     DGPPPPVDLA HEKRVGDHVR SLIASGIVTA AHDVSDGGIA VALAEMAMAS GIGATVPGLV
     GTDPIPVWFG EDQGRYLLTL SIDPHGDEWD AIRKQQGELG IFAPWIGSTG GDALKLGDAK
     AIPVGDLKAA HEGWFPRFMD QAS
 
 
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