PURL_SACS2
ID PURL_SACS2 Reviewed; 709 AA.
AC Q9UX24;
DT 11-JUL-2001, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-2000, sequence version 1.
DT 03-AUG-2022, entry version 135.
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=SSO0629;
GN ORFNames=C08_019;
OS Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
OS (Sulfolobus solfataricus).
OC Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC Saccharolobus.
OX NCBI_TaxID=273057;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35092 / DSM 1617 / JCM 11322 / P2;
RX PubMed=10701121; DOI=10.1139/g99-108;
RA Charlebois R.L., Singh R.K., Chan-Weiher C.C.-Y., Allard G., Chow C.,
RA Confalonieri F., Curtis B., Duguet M., Erauso G., Faguy D., Gaasterland T.,
RA Garrett R.A., Gordon P., Jeffries A.C., Kozera C., Kushwaha N., Lafleur E.,
RA Medina N., Peng X., Penny S.L., She Q., St Jean A., van der Oost J.,
RA Young F., Zivanovic Y., Doolittle W.F., Ragan M.A., Sensen C.W.;
RT "Gene content and organization of a 281-kbp contig from the genome of the
RT extremely thermophilic archaeon, Sulfolobus solfataricus P2.";
RL Genome 43:116-136(2000).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35092 / DSM 1617 / JCM 11322 / P2;
RX PubMed=11427726; DOI=10.1073/pnas.141222098;
RA She Q., Singh R.K., Confalonieri F., Zivanovic Y., Allard G., Awayez M.J.,
RA Chan-Weiher C.C.-Y., Clausen I.G., Curtis B.A., De Moors A., Erauso G.,
RA Fletcher C., Gordon P.M.K., Heikamp-de Jong I., Jeffries A.C., Kozera C.J.,
RA Medina N., Peng X., Thi-Ngoc H.P., Redder P., Schenk M.E., Theriault C.,
RA Tolstrup N., Charlebois R.L., Doolittle W.F., Duguet M., Gaasterland T.,
RA Garrett R.A., Ragan M.A., Sensen C.W., Van der Oost J.;
RT "The complete genome of the crenarchaeon Sulfolobus solfataricus P2.";
RL Proc. Natl. Acad. Sci. U.S.A. 98:7835-7840(2001).
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; Y18930; CAB57670.1; -; Genomic_DNA.
DR EMBL; AE006641; AAK40940.1; -; Genomic_DNA.
DR PIR; E90210; E90210.
DR RefSeq; WP_009991165.1; NC_002754.1.
DR AlphaFoldDB; Q9UX24; -.
DR SMR; Q9UX24; -.
DR STRING; 273057.SSO0629; -.
DR PRIDE; Q9UX24; -.
DR EnsemblBacteria; AAK40940; AAK40940; SSO0629.
DR GeneID; 44129631; -.
DR KEGG; sso:SSO0629; -.
DR PATRIC; fig|273057.12.peg.636; -.
DR eggNOG; arCOG00641; Archaea.
DR HOGENOM; CLU_003100_0_1_2; -.
DR InParanoid; Q9UX24; -.
DR OMA; FIEPYQG; -.
DR PhylomeDB; Q9UX24; -.
DR UniPathway; UPA00074; UER00128.
DR Proteomes; UP000001974; 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; Reference proteome.
FT CHAIN 1..709
FT /note="Phosphoribosylformylglycinamidine synthase subunit
FT PurL"
FT /id="PRO_0000100525"
FT ACT_SITE 36
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT ACT_SITE 84
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 39
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 80
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 82
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 83..86
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 105
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 106
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 226
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 252
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 294..296
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 470
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 507
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
FT BINDING 510
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00420"
SQ SEQUENCE 709 AA; 77089 MW; 150777DE8D23E5CA CRC64;
MGINLLPIEM DEIRKRLGRE PNETEWRVID AVWSEHCSYK SSKIFLKSFS IDSPNVIMGI
KDWQDAGAVD IGDGWAVVIK VESHNHPSAI DPFNGAATGV GGIIRDIISK GAKPIALMDM
IRVGNLKIKK NVWLLKNIIA GIAAYGNSIG VPVVGGELSF DDTYNDNPLV DVAAIGIVRK
DKIKPSIVDK AGLKLVLAGL TGVDGLGGAS FASRKLSGED EIGAVQIADP FAGKIILDVT
LEIADKVEAI KDLGGGGLAV AVTEITNGLG ATVDIEKIPL RVKNMNPSDV IISETQERML
YAVEEKNVKE VCEAFEEYEY PCSVIGEITN EPVIKFRYIG KDLVSLPTNV LLNPPRFLWP
IKNTKKNVEE KIVDLPLESA IYTVLTHPDL VSKGWAYSQF DYEVNTSTVV KPGDADSAVV
SLPNGKLLAI KADANPDMCA EDGYECGKGI VAEAYRNLAT VGARGMVAVD HLQFGDPKKA
EVYYTFVEAI RGIGEATRFF NIPIVGGKVS FYNENNQGRP IKPTPLIVMA GLVQDKLLKN
RVEDNLYVVS VGYTRKELGG SLLSKIFKIP SQAPKVRLQE DLLSSEVVID SINEGKITFA
KDVSRGGLAA SLFSILVHGY GVEISTKSIL SDTDNVIENL FSESSGRFIV LTNEPEWIVE
KSKSKGIVAS IIGRVNKKTN ILTIDNIDYN LKNIVDNYFN FLEEVMGNG
