ID   KPPR_XANFL              Reviewed;         291 AA.
AC   P23015;
DT   01-NOV-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1991, sequence version 1.
DT   03-AUG-2022, entry version 73.
DE   RecName: Full=Phosphoribulokinase;
DE            Short=PRK;
DE            Short=PRKase;
DE            EC=2.7.1.19;
DE   AltName: Full=Phosphopentokinase;
GN   Name=cbbP; Synonyms=cfxP;
OS   Xanthobacter flavus.
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Xanthobacteraceae; Xanthobacter.
OX   NCBI_TaxID=281;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=H4-14;
RX   PubMed=1964170; DOI=10.1099/00221287-136-11-2225;
RA   Meijer W.G., Enequist H.G., Terpstra P., Dijkhuizen L.;
RT   "Nucleotide sequences of the genes encoding fructosebisphosphatase and
RT   phosphoribulokinase from Xanthobacter flavus H4-14.";
RL   J. Gen. Microbiol. 136:2225-2230(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=H4-14;
RX   PubMed=1900916; DOI=10.1007/bf00269865;
RA   Meijer W.G., Arnberg A.C., Enequist H.G., Terpstra P., Lidstrom M.E.,
RA   Dijkhuizen L.;
RT   "Identification and organization of carbon dioxide fixation genes in
RT   Xanthobacter flavus H4-14.";
RL   Mol. Gen. Genet. 225:320-330(1991).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + D-ribulose 5-phosphate = ADP + D-ribulose 1,5-
CC         bisphosphate + H(+); Xref=Rhea:RHEA:19365, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:57870, ChEBI:CHEBI:58121,
CC         ChEBI:CHEBI:456216; EC=2.7.1.19;
CC   -!- PATHWAY: Carbohydrate biosynthesis; Calvin cycle.
CC   -!- SUBUNIT: Homooctamer.
CC   -!- SIMILARITY: Belongs to the phosphoribulokinase family. {ECO:0000305}.
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DR   EMBL; X17252; CAA35119.1; -; Genomic_DNA.
DR   PIR; B45867; KIQXPR.
DR   AlphaFoldDB; P23015; -.
DR   SMR; P23015; -.
DR   UniPathway; UPA00116; -.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0008974; F:phosphoribulokinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0019253; P:reductive pentose-phosphate cycle; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.40.50.300; -; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR006082; PRK.
DR   InterPro; IPR006083; PRK/URK.
DR   Pfam; PF00485; PRK; 1.
DR   PRINTS; PR00478; PHRIBLKINASE.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   PROSITE; PS00567; PHOSPHORIBULOKINASE; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Calvin cycle; Kinase; Nucleotide-binding; Transferase.
FT   CHAIN           1..291
FT                   /note="Phosphoribulokinase"
FT                   /id="PRO_0000201960"
FT   BINDING         12..20
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   291 AA;  33409 MW;  32AF60D5750FAA62 CRC64;
     MSIKHPIIVV TGSSGAGTTS VKRTFEQIFY REKVKAAFVE GDSFHRYDRY EMRELMAAEA
     AKGNKHFSHF SPETNRLDDL AQLFKDYGAT GSGRFRHYVH DAGEAKLYNT EPGRFTDWED
     LEQGTDILFY EGLHGAVVTD ELNLAQHADL KIGVVPVINL EWIQKIHRDK ATRGYTTEDV
     TDTIMRRMPD YVRYICPQFT ETDINFQRVP TVDTSNPFVA RWIPTPDESM VVIRFRDPHG
     IDFPYLLSMI HNSFMSRANS IVIPGNKQDL AMQLLLTPLI MKLMDRKRRA G