RPE_BUCAP
ID RPE_BUCAP Reviewed; 228 AA.
AC Q8K940;
DT 15-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2002, sequence version 1.
DT 03-AUG-2022, entry version 96.
DE RecName: Full=Ribulose-phosphate 3-epimerase {ECO:0000255|HAMAP-Rule:MF_02227};
DE EC=5.1.3.1 {ECO:0000255|HAMAP-Rule:MF_02227};
GN Name=rpe {ECO:0000255|HAMAP-Rule:MF_02227}; OrderedLocusNames=BUsg_518;
OS Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=198804;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Sg;
RX PubMed=12089438; DOI=10.1126/science.1071278;
RA Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT "50 million years of genomic stasis in endosymbiotic bacteria.";
RL Science 296:2376-2379(2002).
CC -!- FUNCTION: Catalyzes the reversible epimerization of D-ribulose 5-
CC phosphate to D-xylulose 5-phosphate. {ECO:0000255|HAMAP-Rule:MF_02227}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-ribulose 5-phosphate = D-xylulose 5-phosphate;
CC Xref=Rhea:RHEA:13677, ChEBI:CHEBI:57737, ChEBI:CHEBI:58121;
CC EC=5.1.3.1; Evidence={ECO:0000255|HAMAP-Rule:MF_02227};
CC -!- COFACTOR:
CC Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_02227};
CC Note=Binds 1 divalent metal cation per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_02227};
CC -!- PATHWAY: Carbohydrate degradation. {ECO:0000255|HAMAP-Rule:MF_02227}.
CC -!- SIMILARITY: Belongs to the ribulose-phosphate 3-epimerase family.
CC {ECO:0000255|HAMAP-Rule:MF_02227}.
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DR EMBL; AE013218; AAM68061.1; -; Genomic_DNA.
DR RefSeq; WP_011054027.1; NC_004061.1.
DR AlphaFoldDB; Q8K940; -.
DR SMR; Q8K940; -.
DR STRING; 198804.BUsg_518; -.
DR EnsemblBacteria; AAM68061; AAM68061; BUsg_518.
DR KEGG; bas:BUsg_518; -.
DR eggNOG; COG0036; Bacteria.
DR HOGENOM; CLU_054856_2_1_6; -.
DR OMA; WLQVDGG; -.
DR OrthoDB; 1697639at2; -.
DR Proteomes; UP000000416; Chromosome.
DR GO; GO:0004750; F:D-ribulose-phosphate 3-epimerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0019323; P:pentose catabolic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006098; P:pentose-phosphate shunt; IEA:InterPro.
DR CDD; cd00429; RPE; 1.
DR Gene3D; 3.20.20.70; -; 1.
DR HAMAP; MF_02227; RPE; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR026019; Ribul_P_3_epim.
DR InterPro; IPR000056; Ribul_P_3_epim-like.
DR InterPro; IPR011060; RibuloseP-bd_barrel.
DR PANTHER; PTHR11749; PTHR11749; 1.
DR Pfam; PF00834; Ribul_P_3_epim; 1.
DR PIRSF; PIRSF001461; RPE; 1.
DR SUPFAM; SSF51366; SSF51366; 1.
DR TIGRFAMs; TIGR01163; rpe; 1.
DR PROSITE; PS01085; RIBUL_P_3_EPIMER_1; 1.
DR PROSITE; PS01086; RIBUL_P_3_EPIMER_2; 1.
PE 3: Inferred from homology;
KW Carbohydrate metabolism; Isomerase; Metal-binding.
FT CHAIN 1..228
FT /note="Ribulose-phosphate 3-epimerase"
FT /id="PRO_0000171563"
FT ACT_SITE 36
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT ACT_SITE 177
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT BINDING 9
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT BINDING 34
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT BINDING 36
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT BINDING 68
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT BINDING 68
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT BINDING 177..179
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT BINDING 177
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
FT BINDING 199..200
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02227"
SQ SEQUENCE 228 AA; 25399 MW; 01B1BACA88C902D5 CRC64;
MKKFFLASSI LSADFARLGE DTKKAIDAGS DWIHFDVMDN HYVPNLTMGP MILKALRNYN
ITVPIDVHLM VKPVDNLIPQ FAEAGADFIT FHPESTDHID RTLNLIKECG CKAGLALNPA
TSLNFLDYVM EKLDLILLMS VNPGFGNQSF LPTSFNKLRE VRKKIELNSS NILLEVDGGV
KLENISEVAF SGANVFVIGS GIFGYTDYNV IIKKIRKKLK NVYSTSIH
