ID   LACXP_LACLL             Reviewed;         299 AA.
AC   P23496;
DT   01-NOV-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1991, sequence version 1.
DT   25-MAY-2022, entry version 59.
DE   RecName: Full=Protein LacX, plasmid;
GN   Name=lacX;
OS   Lactococcus lactis subsp. lactis (Streptococcus lactis).
OG   Plasmid pLP712.
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Lactococcus.
OX   NCBI_TaxID=1360;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], OPERON STRUCTURE, AND INDUCTION.
RC   STRAIN=MG1820;
RX   PubMed=2125052; DOI=10.1016/s0021-9258(18)45741-9;
RA   de Vos W.M., Boerrigter I.J., van Rooyen R.J., Reiche B., Hengstenberg W.;
RT   "Characterization of the lactose-specific enzymes of the phosphotransferase
RT   system in Lactococcus lactis.";
RL   J. Biol. Chem. 265:22554-22560(1990).
CC   -!- INDUCTION: By lactose. The operon consists of lacABCDFEGX.
CC       {ECO:0000269|PubMed:2125052}.
CC   -!- MISCELLANEOUS: This gene was sequenced from pMG820, a laboratory-
CC       derived deletion of the naturally occurring plasmid pLP712.
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DR   EMBL; M60447; AAA25184.1; -; Genomic_DNA.
DR   PIR; D23696; D23696.
DR   AlphaFoldDB; P23496; -.
DR   SMR; P23496; -.
DR   GO; GO:0030246; F:carbohydrate binding; IEA:InterPro.
DR   GO; GO:0016853; F:isomerase activity; IEA:InterPro.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR   CDD; cd09024; Aldose_epim_lacX; 1.
DR   Gene3D; 2.70.98.10; -; 1.
DR   InterPro; IPR008183; Aldose_1/G6P_1-epimerase.
DR   InterPro; IPR011013; Gal_mutarotase_sf_dom.
DR   InterPro; IPR014718; GH-type_carb-bd.
DR   InterPro; IPR037481; LacX.
DR   Pfam; PF01263; Aldose_epim; 1.
DR   SUPFAM; SSF74650; SSF74650; 1.
PE   2: Evidence at transcript level;
KW   Plasmid.
FT   CHAIN           1..299
FT                   /note="Protein LacX, plasmid"
FT                   /id="PRO_0000084348"
SQ   SEQUENCE   299 AA;  34519 MW;  715599C040DCD608 CRC64;
     MTIELKNEYL TVQFKTLGGQ LTSIKDKDGL EYLWQADPEY WNGQAPILFP ICGSLRNDWA
     IYRPQERPFF TGLIRRHGFV RKEEFTLEEV NENSVTFSIK PNAEMLDNYL YQFELRVVYT
     LNGKSIRTEF QVTNLETEKT MPYFIGAHPA FNCPLVEGEK YEDYSLEFSE VESCSIPKSF
     PETGLLDLQD RTPFLENQKS LDLDYSLFSH DAITLDRLKS RSVTLRSRKS GKGLRVDFDD
     FPNLILWSTT NKSPFIALEP WSGLSTSLEE GNILEDKPQV TKVLPLDTSK KSYDITILN