RHAM_ECODH
ID RHAM_ECODH Reviewed; 104 AA.
AC B1XB68;
DT 22-JUL-2008, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, entry version 69.
DE RecName: Full=L-rhamnose mutarotase {ECO:0000255|HAMAP-Rule:MF_01663};
DE EC=5.1.3.32 {ECO:0000255|HAMAP-Rule:MF_01663};
DE AltName: Full=Rhamnose 1-epimerase {ECO:0000255|HAMAP-Rule:MF_01663};
DE AltName: Full=Type-3 mutarotase {ECO:0000255|HAMAP-Rule:MF_01663};
GN Name=rhaM {ECO:0000255|HAMAP-Rule:MF_01663};
GN OrderedLocusNames=ECDH10B_4091;
OS Escherichia coli (strain K12 / DH10B).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=316385;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / DH10B;
RX PubMed=18245285; DOI=10.1128/jb.01695-07;
RA Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B.,
RA Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B.,
RA Posfai G., Weinstock G.M., Blattner F.R.;
RT "The complete genome sequence of Escherichia coli DH10B: insights into the
RT biology of a laboratory workhorse.";
RL J. Bacteriol. 190:2597-2606(2008).
CC -!- FUNCTION: Involved in the anomeric conversion of L-rhamnose.
CC {ECO:0000255|HAMAP-Rule:MF_01663}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=alpha-L-rhamnose = beta-L-rhamnose; Xref=Rhea:RHEA:25584,
CC ChEBI:CHEBI:27586, ChEBI:CHEBI:27907; EC=5.1.3.32;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01663};
CC -!- PATHWAY: Carbohydrate metabolism; L-rhamnose metabolism.
CC {ECO:0000255|HAMAP-Rule:MF_01663}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01663}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01663}.
CC -!- SIMILARITY: Belongs to the rhamnose mutarotase family.
CC {ECO:0000255|HAMAP-Rule:MF_01663}.
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DR EMBL; CP000948; ACB04914.1; -; Genomic_DNA.
DR RefSeq; WP_000619493.1; NC_010473.1.
DR AlphaFoldDB; B1XB68; -.
DR SMR; B1XB68; -.
DR KEGG; ecd:ECDH10B_4091; -.
DR HOGENOM; CLU_100689_2_0_6; -.
DR OMA; KRHDEIW; -.
DR BioCyc; ECOL316385:ECDH10B_RS20825-MON; -.
DR UniPathway; UPA00125; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0062192; F:L-rhamnose mutarotase activity; IEA:UniProtKB-EC.
DR GO; GO:0019299; P:rhamnose metabolic process; IEA:UniProtKB-UniRule.
DR HAMAP; MF_01663; L_rham_rotase; 1.
DR InterPro; IPR011008; Dimeric_a/b-barrel.
DR InterPro; IPR013448; L-rhamnose_mutarotase.
DR InterPro; IPR008000; Rham/fucose_mutarotase.
DR Pfam; PF05336; rhaM; 1.
DR SUPFAM; SSF54909; SSF54909; 1.
DR TIGRFAMs; TIGR02625; YiiL_rotase; 1.
PE 3: Inferred from homology;
KW Carbohydrate metabolism; Cytoplasm; Isomerase; Rhamnose metabolism.
FT CHAIN 1..104
FT /note="L-rhamnose mutarotase"
FT /id="PRO_0000344570"
FT ACT_SITE 22
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01663"
FT BINDING 18
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01663"
FT BINDING 41
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01663"
FT BINDING 76..77
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01663"
SQ SEQUENCE 104 AA; 12265 MW; 6A276C08E0EEC7E2 CRC64;
MIRKAFVMQV NPDAHEEYQR RHNPIWPELE AVLKSHGAHN YAIYLDKARN LLFAMVEIES
EERWNAVAST DVCQRWWKYM TDVMPANPDN SPVSSELQEV FYLP
