ID   A0A177P4T1_9RHIZ        Unreviewed;       310 AA.
AC   A0A177P4T1;
DT   07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT   07-SEP-2016, sequence version 1.
DT   02-DEC-2020, entry version 19.
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 {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=A1351_17075 {ECO:0000313|EMBL:OAI25255.1};
OS   Methylosinus sp. R-45379.
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales;
OC   Methylocystaceae; Methylosinus; unclassified Methylosinus.
OX   NCBI_TaxID=980563 {ECO:0000313|EMBL:OAI25255.1, ECO:0000313|Proteomes:UP000078138};
RN   [1] {ECO:0000313|EMBL:OAI25255.1, ECO:0000313|Proteomes:UP000078138}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=R-45379 {ECO:0000313|EMBL:OAI25255.1,
RC   ECO:0000313|Proteomes:UP000078138};
RA   Ploux O.;
RL   Submitted (MAR-2016) 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;
CC         Evidence={ECO:0000256|ARBA:ARBA00000179, 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   -!- 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:OAI25255.1}.
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DR   EMBL; LUUM01000274; OAI25255.1; -; Genomic_DNA.
DR   EnsemblBacteria; OAI25255; OAI25255; A1351_17075.
DR   UniPathway; UPA00087; UER00172.
DR   Proteomes; UP000078138; Unassembled WGS sequence.
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:0009116; P:nucleoside metabolic process; IEA:InterPro.
DR   GO; GO:0009165; P:nucleotide biosynthetic process; 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; PTHR10210; 1.
DR   Pfam; PF14572; Pribosyl_synth; 1.
DR   Pfam; PF13793; Pribosyltran_N; 1.
DR   SUPFAM; SSF53271; SSF53271; 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|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:UP000078138};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_00583}.
FT   DOMAIN          1..117
FT                   /note="Pribosyltran_N"
FT                   /evidence="ECO:0000259|Pfam:PF13793"
FT   NP_BIND         34..36
FT                   /note="ATP"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   NP_BIND         93..94
FT                   /note="ATP"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   REGION          220..224
FT                   /note="Ribose-5-phosphate binding"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   ACT_SITE        190
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   METAL           127
FT                   /note="Magnesium"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   METAL           167
FT                   /note="Magnesium"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         192
FT                   /note="Ribose-5-phosphate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
FT   BINDING         216
FT                   /note="Ribose-5-phosphate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00583"
SQ   SEQUENCE   310 AA;  32985 MW;  2AFC61173EF64E0D CRC64;
     MKILAGNSNR ALAETIAAYV GVPLCRAQVR RFADMEVFVE IQENVRGQDT FVVQSTSAPS
     NDHLMELLIM IDALRRASAR RITAVIPYFG YARQDRKGTS RTPISAKLVA NLITRAGADR
     VLTVDLHAGQ IQGFFDIPTD NLFAAPVMVA DIKSHAKVPN AMVVSPDTGG VVRARALAKR
     IDAPLAIVDK RRERAGESEV MNIIGDVSGR NCILVDDIVD SGGTLCNAAE ALLAQGATSV
     SAYITHGVLS GAAAERVAAS KLKELVLTDT IAATPAVQGA RNIRFIPIGP LIGEAIARTA
     REESVSSLFD
//