ID   A0A7T4QZT1_9GAMM        Unreviewed;       314 AA.
AC   A0A7T4QZT1;
DT   29-SEP-2021, integrated into UniProtKB/TrEMBL.
DT   29-SEP-2021, sequence version 1.
DT   08-NOV-2023, entry version 11.
DE   RecName: Full=Ribose-phosphate pyrophosphokinase {ECO:0000256|HAMAP-Rule:MF_00583};
DE            Short=RPPK {ECO:0000256|HAMAP-Rule:MF_00583};
DE            EC=2.7.6.1 {ECO:0000256|HAMAP-Rule:MF_00583};
DE   AltName: Full=5-phospho-D-ribosyl alpha-1-diphosphate synthase {ECO:0000256|HAMAP-Rule:MF_00583};
DE   AltName: Full=Phosphoribosyl diphosphate synthase {ECO:0000256|HAMAP-Rule:MF_00583};
DE   AltName: Full=Phosphoribosyl pyrophosphate synthase {ECO:0000256|HAMAP-Rule:MF_00583};
DE            Short=P-Rib-PP synthase {ECO:0000256|HAMAP-Rule:MF_00583};
DE            Short=PRPP synthase {ECO:0000256|HAMAP-Rule:MF_00583};
DE            Short=PRPPase {ECO:0000256|HAMAP-Rule:MF_00583};
GN   Name=prs {ECO:0000256|HAMAP-Rule:MF_00583};
GN   ORFNames=I6N98_15060 {ECO:0000313|EMBL:QQD17652.1};
OS   Spongiibacter nanhainus.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales;
OC   Spongiibacteraceae; Spongiibacter.
OX   NCBI_TaxID=2794344 {ECO:0000313|EMBL:QQD17652.1, ECO:0000313|Proteomes:UP000596063};
RN   [1] {ECO:0000313|EMBL:QQD17652.1, ECO:0000313|Proteomes:UP000596063}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=csc3.9 {ECO:0000313|Proteomes:UP000596063};
RA   Shan Y.;
RL   Submitted (DEC-2020) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Involved in the biosynthesis of the central metabolite
CC       phospho-alpha-D-ribosyl-1-pyrophosphate (PRPP) via the transfer of
CC       pyrophosphoryl group from ATP to 1-hydroxyl of ribose-5-phosphate (Rib-
CC       5-P). {ECO:0000256|HAMAP-Rule:MF_00583}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + D-ribose 5-phosphate = 5-phospho-alpha-D-ribose 1-
CC         diphosphate + AMP + H(+); Xref=Rhea:RHEA:15609, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58017, ChEBI:CHEBI:78346,
CC         ChEBI:CHEBI:456215; EC=2.7.6.1; Evidence={ECO:0000256|HAMAP-
CC         Rule:MF_00583};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_00583};
CC       Note=Binds 2 Mg(2+) ions per subunit. {ECO:0000256|HAMAP-
CC       Rule:MF_00583};
CC   -!- PATHWAY: Metabolic intermediate biosynthesis; 5-phospho-alpha-D-ribose
CC       1-diphosphate biosynthesis; 5-phospho-alpha-D-ribose 1-diphosphate from
CC       D-ribose 5-phosphate (route I): step 1/1. {ECO:0000256|HAMAP-
CC       Rule:MF_00583}.
CC   -!- SUBUNIT: Homohexamer. {ECO:0000256|HAMAP-Rule:MF_00583}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00583}.
CC   -!- SIMILARITY: Belongs to the ribose-phosphate pyrophosphokinase family.
CC       Class I subfamily. {ECO:0000256|HAMAP-Rule:MF_00583}.
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DR   EMBL; CP066167; QQD17652.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A7T4QZT1; -.
DR   KEGG; snan:I6N98_15060; -.
DR   UniPathway; UPA00087; UER00172.
DR   Proteomes; UP000596063; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0016301; F:kinase activity; IEA:UniProtKB-KW.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004749; F:ribose phosphate diphosphokinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006015; P:5-phosphoribose 1-diphosphate biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0009165; P:nucleotide biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0009156; P:ribonucleoside monophosphate biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd06223; PRTases_typeI; 1.
DR   Gene3D; 3.40.50.2020; -; 2.
DR   HAMAP; MF_00583_B; RibP_PPkinase_B; 1.
DR   InterPro; IPR000842; PRib_PP_synth_CS.
DR   InterPro; IPR029099; Pribosyltran_N.
DR   InterPro; IPR000836; PRibTrfase_dom.
DR   InterPro; IPR029057; PRTase-like.
DR   InterPro; IPR005946; Rib-P_diPkinase.
DR   InterPro; IPR037515; Rib-P_diPkinase_bac.
DR   NCBIfam; TIGR01251; ribP_PPkin; 1.
DR   PANTHER; PTHR10210; RIBOSE-PHOSPHATE DIPHOSPHOKINASE FAMILY MEMBER; 1.
DR   PANTHER; PTHR10210:SF41; RIBOSE-PHOSPHATE PYROPHOSPHOKINASE 5, CHLOROPLASTIC; 1.
DR   Pfam; PF14572; Pribosyl_synth; 1.
DR   Pfam; PF13793; Pribosyltran_N; 1.
DR   SMART; SM01400; Pribosyltran_N; 1.
DR   SUPFAM; SSF53271; PRTase-like; 1.
DR   PROSITE; PS00114; PRPP_SYNTHASE; 1.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW   Rule:MF_00583}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00583};
KW   Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|HAMAP-Rule:MF_00583};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00583};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_00583};
KW   Nucleotide biosynthesis {ECO:0000256|ARBA:ARBA00022727, ECO:0000256|HAMAP-
KW   Rule:MF_00583}; Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00583};
KW   Reference proteome {ECO:0000313|Proteomes:UP000596063};
KW   Transferase {ECO:0000256|HAMAP-Rule:MF_00583, ECO:0000313|EMBL:QQD17652.1}.
FT   DOMAIN          4..121
FT                   /note="Ribose-phosphate pyrophosphokinase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF13793"
FT   ACT_SITE        194
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         37..39
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         96..97
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         131
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         170
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         196
FT                   /ligand="D-ribose 5-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:78346"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         220
FT                   /ligand="D-ribose 5-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:78346"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         224..228
FT                   /ligand="D-ribose 5-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:78346"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
SQ   SEQUENCE   314 AA;  33789 MW;  C1B36D22E2B545BF CRC64;
     MHNMMVFTGN ANPELSTKVA KNLNLPLGDA TVSQFSDGEV FVEINDNVRG ADVFIIQPTC
     APTNDNIMEL VVMADAMRRA SAGRITAVVP YFGYARQDRR VRSQRVPISA KVVADIMSGV
     GIDRVLTVDL HAEQIQGFFD VPVDNVYGSP ILLDDISRQQ YDNQMVVSPD IGGVVRARAV
     AKQLNDADLA IIDKRRPKAG VAQVMHIIGE VEGKTCILVD DMVDTAGTLC KAAGALKANG
     AAKVVAYCTH PVLSGPAVDN INASELDELV VTDTIPLSEA ASQCARIRQL TLSNLLAESI
     RRVSNEESIS ALFR
//