ID B3QS63_CHLT3 Unreviewed; 209 AA.
AC B3QS63;
DT 02-SEP-2008, integrated into UniProtKB/TrEMBL.
DT 02-SEP-2008, sequence version 1.
DT 27-MAR-2024, entry version 81.
DE RecName: Full=Phosphoribosylglycinamide formyltransferase {ECO:0000256|HAMAP-Rule:MF_01930};
DE EC=2.1.2.2 {ECO:0000256|HAMAP-Rule:MF_01930};
DE AltName: Full=5'-phosphoribosylglycinamide transformylase {ECO:0000256|HAMAP-Rule:MF_01930};
DE AltName: Full=GAR transformylase {ECO:0000256|HAMAP-Rule:MF_01930};
DE Short=GART {ECO:0000256|HAMAP-Rule:MF_01930};
GN Name=purN {ECO:0000256|HAMAP-Rule:MF_01930};
GN OrderedLocusNames=Ctha_1549 {ECO:0000313|EMBL:ACF14008.1};
OS Chloroherpeton thalassium (strain ATCC 35110 / GB-78).
OC Bacteria; Chlorobiota; Chlorobiia; Chlorobiales; Chloroherpetonaceae;
OC Chloroherpeton.
OX NCBI_TaxID=517418 {ECO:0000313|EMBL:ACF14008.1, ECO:0000313|Proteomes:UP000001208};
RN [1] {ECO:0000313|EMBL:ACF14008.1, ECO:0000313|Proteomes:UP000001208}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35110 / GB-78 {ECO:0000313|Proteomes:UP000001208};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Mikhailova N., Liu Z., Li T., Zhao F., Overmann J.,
RA Bryant D.A., Richardson P.;
RT "Complete sequence of Chloroherpeton thalassium ATCC 35110.";
RL Submitted (JUN-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the transfer of a formyl group from 10-
CC formyltetrahydrofolate to 5-phospho-ribosyl-glycinamide (GAR),
CC producing 5-phospho-ribosyl-N-formylglycinamide (FGAR) and
CC tetrahydrofolate. {ECO:0000256|HAMAP-Rule:MF_01930}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6R)-10-formyltetrahydrofolate + N(1)-(5-phospho-beta-D-
CC ribosyl)glycinamide = (6S)-5,6,7,8-tetrahydrofolate + H(+) + N(2)-
CC formyl-N(1)-(5-phospho-beta-D-ribosyl)glycinamide;
CC Xref=Rhea:RHEA:15053, ChEBI:CHEBI:15378, ChEBI:CHEBI:57453,
CC ChEBI:CHEBI:143788, ChEBI:CHEBI:147286, ChEBI:CHEBI:195366;
CC EC=2.1.2.2; Evidence={ECO:0000256|ARBA:ARBA00036742,
CC ECO:0000256|HAMAP-Rule:MF_01930};
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 (10-formyl THF route): step 1/1.
CC {ECO:0000256|ARBA:ARBA00005054, ECO:0000256|HAMAP-Rule:MF_01930}.
CC -!- SIMILARITY: Belongs to the GART family. {ECO:0000256|ARBA:ARBA00038440,
CC ECO:0000256|HAMAP-Rule:MF_01930}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01930}.
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DR EMBL; CP001100; ACF14008.1; -; Genomic_DNA.
DR RefSeq; WP_012500092.1; NC_011026.1.
DR AlphaFoldDB; B3QS63; -.
DR STRING; 517418.Ctha_1549; -.
DR KEGG; cts:Ctha_1549; -.
DR eggNOG; COG0299; Bacteria.
DR HOGENOM; CLU_038395_1_3_10; -.
DR OrthoDB; 9806170at2; -.
DR UniPathway; UPA00074; UER00126.
DR Proteomes; UP000001208; Chromosome.
DR GO; GO:0004644; F:phosphoribosylglycinamide formyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd08645; FMT_core_GART; 1.
DR Gene3D; 3.40.50.170; Formyl transferase, N-terminal domain; 1.
DR HAMAP; MF_01930; PurN; 1.
DR InterPro; IPR002376; Formyl_transf_N.
DR InterPro; IPR036477; Formyl_transf_N_sf.
DR InterPro; IPR004607; GART.
DR InterPro; IPR001555; GART_AS.
DR NCBIfam; TIGR00639; PurN; 1.
DR PANTHER; PTHR43369; PHOSPHORIBOSYLGLYCINAMIDE FORMYLTRANSFERASE; 1.
DR PANTHER; PTHR43369:SF2; PHOSPHORIBOSYLGLYCINAMIDE FORMYLTRANSFERASE; 1.
DR Pfam; PF00551; Formyl_trans_N; 1.
DR SUPFAM; SSF53328; Formyltransferase; 1.
DR PROSITE; PS00373; GART; 1.
PE 3: Inferred from homology;
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW Rule:MF_01930}; Reference proteome {ECO:0000313|Proteomes:UP000001208};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01930}.
FT DOMAIN 6..191
FT /note="Formyl transferase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00551"
FT ACT_SITE 113
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01930"
FT BINDING 16..18
FT /ligand="N(1)-(5-phospho-beta-D-ribosyl)glycinamide"
FT /ligand_id="ChEBI:CHEBI:143788"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01930"
FT BINDING 111
FT /ligand="(6R)-10-formyltetrahydrofolate"
FT /ligand_id="ChEBI:CHEBI:195366"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01930"
FT SITE 154
FT /note="Raises pKa of active site His"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01930"
SQ SEQUENCE 209 AA; 23022 MW; 9563D4DC4E9EC735 CRC64;
MNPEKKRIAV FCSGEGTNFK ALVKSVSEKE LNAEIVLCLS NRSNCGAMKF ARENGIEAQH
LSENQFESHE AFSDAMLDEL KSRGVEIVCL AGYLKKVPKK VVEAYPKRML NIHPALLPKF
GGEGMYGINV HRAVIAAGEV ESGATVHFVD EEYDSGANLI QEIVPVQKDD TPESLAKAVL
CIEHQIYPTA LQLLLKMIEE EESVSSESK
//
