ID A0A7T4QZT1_9GAMM Unreviewed; 314 AA. AC A0A7T4QZT1; DT 29-SEP-2021, integrated into UniProtKB/TrEMBL. DT 29-SEP-2021, sequence version 1. DT 28-JUN-2023, entry version 9. 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- 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 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 TIGRFAMs; TIGR01251; ribP_PPkin; 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|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 //