PURT_PROM0
ID PURT_PROM0 Reviewed; 391 AA.
AC A3PD91;
DT 26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 03-APR-2007, sequence version 1.
DT 03-AUG-2022, entry version 93.
DE RecName: Full=Formate-dependent phosphoribosylglycinamide formyltransferase {ECO:0000255|HAMAP-Rule:MF_01643};
DE EC=6.3.1.21 {ECO:0000255|HAMAP-Rule:MF_01643};
DE AltName: Full=5'-phosphoribosylglycinamide transformylase 2 {ECO:0000255|HAMAP-Rule:MF_01643};
DE AltName: Full=Formate-dependent GAR transformylase {ECO:0000255|HAMAP-Rule:MF_01643};
DE AltName: Full=GAR transformylase 2 {ECO:0000255|HAMAP-Rule:MF_01643};
DE Short=GART 2 {ECO:0000255|HAMAP-Rule:MF_01643};
DE AltName: Full=Non-folate glycinamide ribonucleotide transformylase {ECO:0000255|HAMAP-Rule:MF_01643};
DE AltName: Full=Phosphoribosylglycinamide formyltransferase 2 {ECO:0000255|HAMAP-Rule:MF_01643};
GN Name=purT {ECO:0000255|HAMAP-Rule:MF_01643}; OrderedLocusNames=P9301_10931;
OS Prochlorococcus marinus (strain MIT 9301).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=167546;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT 9301;
RX PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA Richardson P., Chisholm S.W.;
RT "Patterns and implications of gene gain and loss in the evolution of
RT Prochlorococcus.";
RL PLoS Genet. 3:2515-2528(2007).
CC -!- FUNCTION: Involved in the de novo purine biosynthesis. Catalyzes the
CC transfer of formate to 5-phospho-ribosyl-glycinamide (GAR), producing
CC 5-phospho-ribosyl-N-formylglycinamide (FGAR). Formate is provided by
CC PurU via hydrolysis of 10-formyl-tetrahydrofolate. {ECO:0000255|HAMAP-
CC Rule:MF_01643}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + formate + N(1)-(5-phospho-beta-D-ribosyl)glycinamide =
CC ADP + H(+) + N(2)-formyl-N(1)-(5-phospho-beta-D-ribosyl)glycinamide +
CC phosphate; Xref=Rhea:RHEA:24829, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:15740, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:143788, ChEBI:CHEBI:147286, ChEBI:CHEBI:456216;
CC EC=6.3.1.21; Evidence={ECO:0000255|HAMAP-Rule:MF_01643};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:24830;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01643};
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; N(2)-
CC formyl-N(1)-(5-phospho-D-ribosyl)glycinamide from N(1)-(5-phospho-D-
CC ribosyl)glycinamide (formate route): step 1/1. {ECO:0000255|HAMAP-
CC Rule:MF_01643}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01643}.
CC -!- SIMILARITY: Belongs to the PurK/PurT family. {ECO:0000255|HAMAP-
CC Rule:MF_01643}.
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DR EMBL; CP000576; ABO17716.1; -; Genomic_DNA.
DR RefSeq; WP_011863055.1; NC_009091.1.
DR AlphaFoldDB; A3PD91; -.
DR SMR; A3PD91; -.
DR STRING; 167546.P9301_10931; -.
DR EnsemblBacteria; ABO17716; ABO17716; P9301_10931.
DR KEGG; pmg:P9301_10931; -.
DR eggNOG; COG0027; Bacteria.
DR HOGENOM; CLU_011534_1_3_3; -.
DR OMA; GMVTMIT; -.
DR UniPathway; UPA00074; UER00127.
DR Proteomes; UP000001430; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016874; F:ligase activity; IEA:UniProtKB-KW.
DR GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR GO; GO:0043815; F:phosphoribosylglycinamide formyltransferase 2 activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004644; F:phosphoribosylglycinamide formyltransferase activity; IEA:InterPro.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.1490.20; -; 1.
DR HAMAP; MF_01643; PurT; 1.
DR InterPro; IPR011761; ATP-grasp.
DR InterPro; IPR003135; ATP-grasp_carboxylate-amine.
DR InterPro; IPR013815; ATP_grasp_subdomain_1.
DR InterPro; IPR016185; PreATP-grasp_dom_sf.
DR InterPro; IPR005862; PurT.
DR InterPro; IPR011054; Rudment_hybrid_motif.
DR Pfam; PF02222; ATP-grasp; 1.
DR SUPFAM; SSF51246; SSF51246; 1.
DR SUPFAM; SSF52440; SSF52440; 1.
DR TIGRFAMs; TIGR01142; purT; 1.
DR PROSITE; PS50975; ATP_GRASP; 1.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Magnesium; Metal-binding; Nucleotide-binding;
KW Purine biosynthesis; Reference proteome.
FT CHAIN 1..391
FT /note="Formate-dependent phosphoribosylglycinamide
FT formyltransferase"
FT /id="PRO_0000319200"
FT DOMAIN 115..305
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 18..19
FT /ligand="N(1)-(5-phospho-beta-D-ribosyl)glycinamide"
FT /ligand_id="ChEBI:CHEBI:143788"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 78
FT /ligand="N(1)-(5-phospho-beta-D-ribosyl)glycinamide"
FT /ligand_id="ChEBI:CHEBI:143788"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 110
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 151
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 156..161
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 191..194
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 199
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 264
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 276
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 283
FT /ligand="N(1)-(5-phospho-beta-D-ribosyl)glycinamide"
FT /ligand_id="ChEBI:CHEBI:143788"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 353
FT /ligand="N(1)-(5-phospho-beta-D-ribosyl)glycinamide"
FT /ligand_id="ChEBI:CHEBI:143788"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 360..361
FT /ligand="N(1)-(5-phospho-beta-D-ribosyl)glycinamide"
FT /ligand_id="ChEBI:CHEBI:143788"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
SQ SEQUENCE 391 AA; 44266 MW; A63F9A304ECA2235 CRC64;
MKESIFSKKR ILLLGSGELG KELVIESKRL GLEVIAIDRY EKAPAMQVAD YSRVIDMGDK
NILKNVIKEF NPDYVVPEIE ALSIEALKEL EDEGFNIVPN ARTVEITMNR DKIRDLASKD
LKIKTAKFDY IFEFDDLEKK ADEIGFPLLL KPLMSSSGKG QSLVETKNDL QNAWKQAQAN
SRGKVKGVII EEFINFDFEF TLLTVRKENG ENIFCLPIGH LQSNGDYQCS WQPLEIKDSL
IIEAKRMTSR ILNNLNGAGL YGVEFFIKGS EVIFSELSPR PHDTGMVTLV SQNINEFELH
LRAFLDLPIP HIYLIEPSAT RVILSNQEYL NPIYEGLNEA LEFEKTKVLI FGKPVSRKGR
RMGVVLSSNS DIYLARKNAD EAARKIKVST T
