ID A0A2A5AZ29_9RICK Unreviewed; 444 AA.
AC A0A2A5AZ29;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 27-MAR-2024, entry version 27.
DE RecName: Full=2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase {ECO:0000256|ARBA:ARBA00016218};
DE EC=2.5.1.15 {ECO:0000256|ARBA:ARBA00012458};
DE EC=2.7.6.3 {ECO:0000256|ARBA:ARBA00013253};
DE AltName: Full=6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase {ECO:0000256|ARBA:ARBA00029766};
DE AltName: Full=7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase {ECO:0000256|ARBA:ARBA00033413};
GN ORFNames=COA94_07225 {ECO:0000313|EMBL:PCJ24543.1};
OS Rickettsiales bacterium.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales.
OX NCBI_TaxID=2026788 {ECO:0000313|EMBL:PCJ24543.1, ECO:0000313|Proteomes:UP000218523};
RN [1] {ECO:0000313|Proteomes:UP000218523}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Tully B.J., Wheat C.G., Glazer B.T., Huber J.A.;
RT "A dynamic microbial community with high functional redundancy inhabits the
RT cold, oxic subseafloor aquifer.";
RL Submitted (AUG-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the transfer of pyrophosphate from adenosine
CC triphosphate (ATP) to 6-hydroxymethyl-7,8-dihydropterin, an enzymatic
CC step in folate biosynthesis pathway. {ECO:0000256|ARBA:ARBA00029409}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(7,8-dihydropterin-6-yl)methyl diphosphate + 4-aminobenzoate =
CC 7,8-dihydropteroate + diphosphate; Xref=Rhea:RHEA:19949,
CC ChEBI:CHEBI:17836, ChEBI:CHEBI:17839, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:72950; EC=2.5.1.15;
CC Evidence={ECO:0000256|ARBA:ARBA00000012};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=6-hydroxymethyl-7,8-dihydropterin + ATP = (7,8-dihydropterin-
CC 6-yl)methyl diphosphate + AMP + H(+); Xref=Rhea:RHEA:11412,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:44841,
CC ChEBI:CHEBI:72950, ChEBI:CHEBI:456215; EC=2.7.6.3;
CC Evidence={ECO:0000256|ARBA:ARBA00000198};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- PATHWAY: Cofactor biosynthesis; tetrahydrofolate biosynthesis; 2-amino-
CC 4-hydroxy-6-hydroxymethyl-7,8-dihydropteridine diphosphate from 7,8-
CC dihydroneopterin triphosphate: step 4/4.
CC {ECO:0000256|ARBA:ARBA00005051}.
CC -!- PATHWAY: Cofactor biosynthesis; tetrahydrofolate biosynthesis; 7,8-
CC dihydrofolate from 2-amino-4-hydroxy-6-hydroxymethyl-7,8-
CC dihydropteridine diphosphate and 4-aminobenzoate: step 1/2.
CC {ECO:0000256|ARBA:ARBA00004763}.
CC -!- SIMILARITY: Belongs to the HPPK family.
CC {ECO:0000256|ARBA:ARBA00005810}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the DHPS family.
CC {ECO:0000256|ARBA:ARBA00009951}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:PCJ24543.1}.
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DR EMBL; NVVL01000065; PCJ24543.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2A5AZ29; -.
DR UniPathway; UPA00077; UER00155.
DR Proteomes; UP000218523; Unassembled WGS sequence.
DR GO; GO:0003848; F:2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity; IEA:UniProtKB-EC.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004156; F:dihydropteroate synthase activity; IEA:InterPro.
DR GO; GO:0016301; F:kinase activity; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0046656; P:folic acid biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR GO; GO:0046654; P:tetrahydrofolate biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd00483; HPPK; 1.
DR Gene3D; 3.30.70.560; 7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase HPPK; 1.
DR Gene3D; 3.20.20.20; Dihydropteroate synthase-like; 1.
DR InterPro; IPR045031; DHP_synth-like.
DR InterPro; IPR006390; DHP_synth_dom.
DR InterPro; IPR011005; Dihydropteroate_synth-like_sf.
DR InterPro; IPR000550; Hppk.
DR InterPro; IPR035907; Hppk_sf.
DR InterPro; IPR000489; Pterin-binding_dom.
DR NCBIfam; TIGR01496; DHPS; 1.
DR NCBIfam; TIGR01498; folK; 1.
DR PANTHER; PTHR20941; FOLATE SYNTHESIS PROTEINS; 1.
DR PANTHER; PTHR20941:SF1; FOLIC ACID SYNTHESIS PROTEIN FOL1; 1.
DR Pfam; PF01288; HPPK; 1.
DR Pfam; PF00809; Pterin_bind; 1.
DR SUPFAM; SSF55083; 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK; 1.
DR SUPFAM; SSF51717; Dihydropteroate synthetase-like; 1.
DR PROSITE; PS00792; DHPS_1; 1.
DR PROSITE; PS00793; DHPS_2; 1.
DR PROSITE; PS50972; PTERIN_BINDING; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840};
KW Folate biosynthesis {ECO:0000256|ARBA:ARBA00022909};
KW Kinase {ECO:0000256|ARBA:ARBA00022777};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW Transferase {ECO:0000256|ARBA:ARBA00022679}.
FT DOMAIN 180..438
FT /note="Pterin-binding"
FT /evidence="ECO:0000259|PROSITE:PS50972"
SQ SEQUENCE 444 AA; 48845 MW; 0C72412DC09251A1 CRC64;
MIYISLGSNM GNRLSALRDA ARLIKTNILT HSYESIVIET KALLKEGAPA SWNKPYLNMV
IAGKSDLSPV KLLEALKNIE EKIAGSRYKE RWSPRVIDLD ILIYNDQTIQ APGLNIPHAE
LLNRDFLLHL LALMPEEYMP LIQTNSSTAP SDGAMVRADE YAHGALEYAG LFDKSFSLAV
PIAGILNVTP DSFSDGGKNS SPEMAIENAK QMVLDGAEII DIGAQSTRPG GIEIIGAEKE
YERLAPVLDG LKDLDAKISI DTYHPALIRR LLKEYKIDWI NDVTGNLEDD ILQEISAAGC
KILTMHSLSV PPSPANILPH AQEGGAISLL KEWGRGAFER MQRLGFSAED IILDPGIGFG
KSIYQNLALI RQMQELQELQ ELGVSILVGH SRKSFIFGLS TAPAKERDIE TMVMSGNLAS
KVDFIRVHNV YDHHRALIAN QLSL
//
