PURT_PHOPR
ID PURT_PHOPR Reviewed; 391 AA.
AC Q6LRI4;
DT 26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-JUL-2004, sequence version 1.
DT 03-AUG-2022, entry version 114.
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}; Synonyms=stm1883;
GN OrderedLocusNames=PBPRA1685;
OS Photobacterium profundum (strain SS9).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Photobacterium.
OX NCBI_TaxID=298386;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1253 / SS9;
RX PubMed=15746425; DOI=10.1126/science.1103341;
RA Vezzi A., Campanaro S., D'Angelo M., Simonato F., Vitulo N., Lauro F.M.,
RA Cestaro A., Malacrida G., Simionati B., Cannata N., Romualdi C.,
RA Bartlett D.H., Valle G.;
RT "Life at depth: Photobacterium profundum genome sequence and expression
RT analysis.";
RL Science 307:1459-1461(2005).
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; CR378668; CAG20092.1; -; Genomic_DNA.
DR RefSeq; WP_011218404.1; NC_006370.1.
DR AlphaFoldDB; Q6LRI4; -.
DR SMR; Q6LRI4; -.
DR STRING; 298386.PBPRA1685; -.
DR EnsemblBacteria; CAG20092; CAG20092; PBPRA1685.
DR KEGG; ppr:PBPRA1685; -.
DR eggNOG; COG0027; Bacteria.
DR HOGENOM; CLU_011534_1_3_6; -.
DR OMA; GMVTMIT; -.
DR OrthoDB; 1677960at2; -.
DR UniPathway; UPA00074; UER00127.
DR Proteomes; UP000000593; Chromosome 1.
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; IPR001509; Epimerase_deHydtase.
DR InterPro; IPR016185; PreATP-grasp_dom_sf.
DR InterPro; IPR005862; PurT.
DR InterPro; IPR011054; Rudment_hybrid_motif.
DR Pfam; PF02222; ATP-grasp; 1.
DR Pfam; PF01370; Epimerase; 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_0000319195"
FT DOMAIN 117..306
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 20..21
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 80
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 112
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 153
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 158..163
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 193..196
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 201
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 265
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 277
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01643"
FT BINDING 284
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 354
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 361..362
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; 42587 MW; E470B93000D667CD CRC64;
MFGSATRSDA TRVLLLGSGE LGKEVAIECQ RLGLEVIAVD RYDNAPAMQV AHRSHVIDML
DGDALRKLIE LEQPHYVVPE IEAIATDTLV SLEAEGVNIV PTANATKLTM NREGIRRLAA
EDLQIPTSPF EFADQYDDFV AAVERVGTPC VVKPIMSSSG KGQSVIKTPA DIEASWQYAQ
EGGRAGTGRV VVEGFIKFDY EITLLTTRAV DGIHFCAPIG HRQEEGDYRE SWQPQQMSDE
ALKAAQDVAE KVVNALGGYG LFGVELFVRG NEVLFNEVSP RPHDTGMVTL ISQDLSEFAL
HVRAFLGLPI QQIIQYGPAA SAVILGNGIS SNIRFDNLTA ALSRPQTQVR LFGKPEINGR
RRLGVALTRR EDTKQAVSDA INAAADVKVI Y