ID K9ZFK0_ANACC Unreviewed; 285 AA.
AC K9ZFK0;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 24-JAN-2024, entry version 48.
DE RecName: Full=Dihydropteroate synthase {ECO:0000256|ARBA:ARBA00012458, ECO:0000256|RuleBase:RU361205};
DE Short=DHPS {ECO:0000256|RuleBase:RU361205};
DE EC=2.5.1.15 {ECO:0000256|ARBA:ARBA00012458, ECO:0000256|RuleBase:RU361205};
DE AltName: Full=Dihydropteroate pyrophosphorylase {ECO:0000256|RuleBase:RU361205};
GN OrderedLocusNames=Anacy_2554 {ECO:0000313|EMBL:AFZ57998.1};
OS Anabaena cylindrica (strain ATCC 27899 / PCC 7122).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae; Anabaena.
OX NCBI_TaxID=272123 {ECO:0000313|EMBL:AFZ57998.1, ECO:0000313|Proteomes:UP000010474};
RN [1] {ECO:0000313|Proteomes:UP000010474}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27899 / PCC 7122 {ECO:0000313|Proteomes:UP000010474};
RX PubMed=23277585; DOI=10.1073/pnas.1217107110;
RA Shih P.M., Wu D., Latifi A., Axen S.D., Fewer D.P., Talla E., Calteau A.,
RA Cai F., Tandeau de Marsac N., Rippka R., Herdman M., Sivonen K.,
RA Coursin T., Laurent T., Goodwin L., Nolan M., Davenport K.W., Han C.S.,
RA Rubin E.M., Eisen J.A., Woyke T., Gugger M., Kerfeld C.A.;
RT "Improving the coverage of the cyanobacterial phylum using diversity-driven
RT genome sequencing.";
RL Proc. Natl. Acad. Sci. U.S.A. 110:1053-1058(2013).
CC -!- FUNCTION: Catalyzes the condensation of para-aminobenzoate (pABA) with
CC 6-hydroxymethyl-7,8-dihydropterin diphosphate (DHPt-PP) to form 7,8-
CC dihydropteroate (H2Pte), the immediate precursor of folate derivatives.
CC {ECO:0000256|RuleBase:RU361205}.
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 -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946,
CC ECO:0000256|RuleBase:RU361205};
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, ECO:0000256|RuleBase:RU361205}.
CC -!- SIMILARITY: Belongs to the DHPS family.
CC {ECO:0000256|RuleBase:RU361205}.
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DR EMBL; CP003659; AFZ57998.1; -; Genomic_DNA.
DR AlphaFoldDB; K9ZFK0; -.
DR STRING; 272123.Anacy_2554; -.
DR KEGG; acy:Anacy_2554; -.
DR PATRIC; fig|272123.3.peg.2781; -.
DR eggNOG; COG0294; Bacteria.
DR HOGENOM; CLU_008023_0_2_3; -.
DR OMA; HMQGEPR; -.
DR UniPathway; UPA00077; UER00156.
DR Proteomes; UP000010474; Chromosome.
DR GO; GO:0004156; F:dihydropteroate synthase activity; IEA:UniProtKB-EC.
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:0046654; P:tetrahydrofolate biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd00739; DHPS; 1.
DR Gene3D; 3.20.20.20; Dihydropteroate synthase-like; 1.
DR InterPro; IPR045031; DHP_synth.
DR InterPro; IPR006390; DHP_synth_dom.
DR InterPro; IPR011005; Dihydropteroate_synth-like.
DR InterPro; IPR000489; Pterin-binding_dom.
DR NCBIfam; TIGR01496; DHPS; 1.
DR PANTHER; PTHR20941; FOLATE SYNTHESIS PROTEINS; 1.
DR PANTHER; PTHR20941:SF1; FOLIC ACID SYNTHESIS PROTEIN FOL1; 1.
DR Pfam; PF00809; Pterin_bind; 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 Folate biosynthesis {ECO:0000256|ARBA:ARBA00022909,
KW ECO:0000256|RuleBase:RU361205};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|RuleBase:RU361205};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU361205};
KW Reference proteome {ECO:0000313|Proteomes:UP000010474};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU361205}.
FT DOMAIN 21..275
FT /note="Pterin-binding"
FT /evidence="ECO:0000259|PROSITE:PS50972"
SQ SEQUENCE 285 AA; 31052 MW; 20928FD73EEFBC13 CRC64;
MELMSKQLTI RERCFTWGQR TYLMGILNVT PDSFSDGGLF NTTSAALTQA QAMVTAGADM
IDIGGQSTRP GAEQITLTEE LDRVLSVLQV IRPEIPIPIS VDTTRSEVAK AAVKAGADIV
NDISGGTFDP EMLETASNLD VPIILMHIQG TPQTMQQQTN YQNLIQDIYS FLSQQKKAAM
AAGIKENKII IDPGIGFAKN YEQNLEIFRR LPSLKMLNCP ILVGASRKSF IGNILNQADP
KARVWGTAAA CCAAIFNGAD ILRIHDVSEM RDVSLVADAI YRQSA
//