ID   RHAM_ECO27              Reviewed;         104 AA.
AC   B7UNM2;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 67.
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}; OrderedLocusNames=E2348C_4206;
OS   Escherichia coli O127:H6 (strain E2348/69 / EPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=574521;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=E2348/69 / EPEC;
RX   PubMed=18952797; DOI=10.1128/jb.01238-08;
RA   Iguchi A., Thomson N.R., Ogura Y., Saunders D., Ooka T., Henderson I.R.,
RA   Harris D., Asadulghani M., Kurokawa K., Dean P., Kenny B., Quail M.A.,
RA   Thurston S., Dougan G., Hayashi T., Parkhill J., Frankel G.;
RT   "Complete genome sequence and comparative genome analysis of
RT   enteropathogenic Escherichia coli O127:H6 strain E2348/69.";
RL   J. Bacteriol. 191:347-354(2009).
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}.
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; FM180568; CAS11754.1; -; Genomic_DNA.
DR   RefSeq; WP_000619497.1; NC_011601.1.
DR   AlphaFoldDB; B7UNM2; -.
DR   SMR; B7UNM2; -.
DR   EnsemblBacteria; CAS11754; CAS11754; E2348C_4206.
DR   KEGG; ecg:E2348C_4206; -.
DR   HOGENOM; CLU_100689_2_0_6; -.
DR   OMA; KRHDEIW; -.
DR   UniPathway; UPA00125; -.
DR   Proteomes; UP000008205; Chromosome.
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_1000187213"
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;  12235 MW;  C09EEC1FF81EC7F7 CRC64;
     MIRKAFVMQV NPDAHEEYQR RHNPIWPELE AVLKSHGAHN YAIYLDKARN LLFATIEIES
     EERWNAVAST DVCQRWWKYM IDVMPANADN SPVSSELQEV FYLP