ID A0A3L9DZN2_9STRE Unreviewed; 171 AA.
AC A0A3L9DZN2;
DT 13-FEB-2019, integrated into UniProtKB/TrEMBL.
DT 13-FEB-2019, sequence version 1.
DT 24-JAN-2024, entry version 13.
DE RecName: Full=Galactose-6-phosphate isomerase subunit LacB {ECO:0000256|HAMAP-Rule:MF_01556};
DE EC=5.3.1.26 {ECO:0000256|HAMAP-Rule:MF_01556};
GN Name=lacB {ECO:0000256|HAMAP-Rule:MF_01556,
GN ECO:0000313|EMBL:RLY05189.1};
GN ORFNames=EAF07_00370 {ECO:0000313|EMBL:RLY05189.1};
OS Streptococcus hillyeri.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=2282420 {ECO:0000313|EMBL:RLY05189.1, ECO:0000313|Proteomes:UP000279194};
RN [1] {ECO:0000313|EMBL:RLY05189.1, ECO:0000313|Proteomes:UP000279194}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=28462 {ECO:0000313|EMBL:RLY05189.1,
RC ECO:0000313|Proteomes:UP000279194};
RA Macfadyen A.C., Waller A., Paterson G.K.;
RT "Streptococcus hillyeri sp. nov., isolated from equine tracheal sample.";
RL Submitted (OCT-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=aldehydo-D-galactose 6-phosphate = keto-D-tagatose 6-
CC phosphate; Xref=Rhea:RHEA:13033, ChEBI:CHEBI:58255,
CC ChEBI:CHEBI:134283; EC=5.3.1.26; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01556};
CC -!- PATHWAY: Carbohydrate metabolism; D-galactose 6-phosphate degradation;
CC D-tagatose 6-phosphate from D-galactose 6-phosphate: step 1/1.
CC {ECO:0000256|HAMAP-Rule:MF_01556}.
CC -!- SUBUNIT: Heteromultimeric protein consisting of LacA and LacB.
CC {ECO:0000256|HAMAP-Rule:MF_01556}.
CC -!- SIMILARITY: Belongs to the LacAB/RpiB family.
CC {ECO:0000256|ARBA:ARBA00008754, ECO:0000256|HAMAP-Rule:MF_01556}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RLY05189.1}.
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DR EMBL; RCVM01000001; RLY05189.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3L9DZN2; -.
DR OrthoDB; 1778624at2; -.
DR UniPathway; UPA00702; UER00714.
DR Proteomes; UP000279194; Unassembled WGS sequence.
DR GO; GO:0050044; F:galactose-6-phosphate isomerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0019388; P:galactose catabolic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0019512; P:lactose catabolic process via tagatose-6-phosphate; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.1400.10; Sugar-phosphate isomerase, RpiB/LacA/LacB; 1.
DR HAMAP; MF_01556; LacB; 1.
DR InterPro; IPR004784; LacB.
DR InterPro; IPR003500; RpiB_LacA_LacB.
DR InterPro; IPR036569; RpiB_LacA_LacB_sf.
DR NCBIfam; TIGR01119; lacB; 1.
DR NCBIfam; TIGR00689; rpiB_lacA_lacB; 1.
DR PANTHER; PTHR30345:SF0; DNA DAMAGE-REPAIR/TOLERATION PROTEIN DRT102; 1.
DR PANTHER; PTHR30345; RIBOSE-5-PHOSPHATE ISOMERASE B; 1.
DR Pfam; PF02502; LacAB_rpiB; 1.
DR PIRSF; PIRSF005384; RpiB_LacA_B; 1.
DR SUPFAM; SSF89623; Ribose/Galactose isomerase RpiB/AlsB; 1.
PE 3: Inferred from homology;
KW Isomerase {ECO:0000256|HAMAP-Rule:MF_01556, ECO:0000313|EMBL:RLY05189.1};
KW Lactose metabolism {ECO:0000256|ARBA:ARBA00022736, ECO:0000256|HAMAP-
KW Rule:MF_01556}; Reference proteome {ECO:0000313|Proteomes:UP000279194}.
SQ SEQUENCE 171 AA; 18818 MW; 3228D3B0B3D3E50F CRC64;
MKIAVGCDHI VTNDKIAVVD YLKTQGYEVI DCGTYDNIRT HYPIFGKKVG EAVASGEADL
GVCICGTGVG INNAVNKVPG IRSALVRDMT SAIYAKEELN ANVIGFGGKI TGGLLMTDII
EAFIHAEYKP TEENKKLIEK IQHVETLNQG QADPHFFDEF LEKWNRGEYH D
//