ID   HPPK_HELPY              Reviewed;         163 AA.
AC   O25680;
DT   15-JUL-1999, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   03-AUG-2022, entry version 111.
DE   RecName: Full=2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase {ECO:0000250|UniProtKB:P26281};
DE            EC=2.7.6.3 {ECO:0000250|UniProtKB:P26281};
DE   AltName: Full=6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase {ECO:0000250|UniProtKB:P26281};
DE            Short=PPPK {ECO:0000250|UniProtKB:P26281};
DE   AltName: Full=7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase {ECO:0000250|UniProtKB:P26281};
DE            Short=HPPK {ECO:0000250|UniProtKB:P26281};
GN   Name=folK; OrderedLocusNames=HP_1036;
OS   Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85962;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700392 / 26695;
RX   PubMed=9252185; DOI=10.1038/41483;
RA   Tomb J.-F., White O., Kerlavage A.R., Clayton R.A., Sutton G.G.,
RA   Fleischmann R.D., Ketchum K.A., Klenk H.-P., Gill S.R., Dougherty B.A.,
RA   Nelson K.E., Quackenbush J., Zhou L., Kirkness E.F., Peterson S.N.,
RA   Loftus B.J., Richardson D.L., Dodson R.J., Khalak H.G., Glodek A.,
RA   McKenney K., FitzGerald L.M., Lee N., Adams M.D., Hickey E.K., Berg D.E.,
RA   Gocayne J.D., Utterback T.R., Peterson J.D., Kelley J.M., Cotton M.D.,
RA   Weidman J.F., Fujii C., Bowman C., Watthey L., Wallin E., Hayes W.S.,
RA   Borodovsky M., Karp P.D., Smith H.O., Fraser C.M., Venter J.C.;
RT   "The complete genome sequence of the gastric pathogen Helicobacter
RT   pylori.";
RL   Nature 388:539-547(1997).
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:0000250|UniProtKB:P26281}.
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:0000250|UniProtKB:P26281};
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:0000250|UniProtKB:P26281}.
CC   -!- SIMILARITY: Belongs to the HPPK family. {ECO:0000305}.
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DR   EMBL; AE000511; AAD08079.1; -; Genomic_DNA.
DR   PIR; D64649; D64649.
DR   RefSeq; NP_207826.1; NC_000915.1.
DR   RefSeq; WP_000984302.1; NC_018939.1.
DR   AlphaFoldDB; O25680; -.
DR   SMR; O25680; -.
DR   STRING; 85962.C694_05360; -.
DR   PaxDb; O25680; -.
DR   EnsemblBacteria; AAD08079; AAD08079; HP_1036.
DR   KEGG; hpy:HP_1036; -.
DR   PATRIC; fig|85962.47.peg.1115; -.
DR   eggNOG; COG0801; Bacteria.
DR   OMA; QVILRQN; -.
DR   PhylomeDB; O25680; -.
DR   UniPathway; UPA00077; UER00155.
DR   Proteomes; UP000000429; Chromosome.
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:0016301; F:kinase activity; 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; -; 1.
DR   InterPro; IPR000550; Hppk.
DR   InterPro; IPR035907; Hppk_sf.
DR   Pfam; PF01288; HPPK; 1.
DR   SUPFAM; SSF55083; SSF55083; 1.
DR   TIGRFAMs; TIGR01498; folK; 1.
DR   PROSITE; PS00794; HPPK; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Folate biosynthesis; Kinase; Nucleotide-binding;
KW   Reference proteome; Transferase.
FT   CHAIN           1..163
FT                   /note="2-amino-4-hydroxy-6-hydroxymethyldihydropteridine
FT                   pyrophosphokinase"
FT                   /id="PRO_0000168251"
SQ   SEQUENCE   163 AA;  19282 MW;  CAA7CC2302E35CA7 CRC64;
     MMREILTSRF FPSLFKKRLD FSNRVVLGLG SNLKNPLKIL KNCFLYFKNH SKIGKIFSSP
     IYINPPFGYT KQPNFYNATI ILKTSLSLRH FFALVFYIER RFGRQRKRDF KDAPRTLDID
     IIAFNQVILR QNDLALPHPK WSERDSVLVP LALQQILFKK GEW