ID MURQ2_LACPL Reviewed; 296 AA.
AC Q88SB0; F9UUI7;
DT 19-SEP-2006, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 27-MAR-2024, entry version 105.
DE RecName: Full=N-acetylmuramic acid 6-phosphate etherase 2 {ECO:0000255|HAMAP-Rule:MF_00068};
DE Short=MurNAc-6-P etherase 2 {ECO:0000255|HAMAP-Rule:MF_00068};
DE EC=4.2.1.126 {ECO:0000255|HAMAP-Rule:MF_00068};
DE AltName: Full=N-acetylmuramic acid 6-phosphate hydrolase 2 {ECO:0000255|HAMAP-Rule:MF_00068};
DE AltName: Full=N-acetylmuramic acid 6-phosphate lyase 2 {ECO:0000255|HAMAP-Rule:MF_00068};
GN Name=murQ2 {ECO:0000255|HAMAP-Rule:MF_00068}; OrderedLocusNames=lp_3523;
OS Lactiplantibacillus plantarum (strain ATCC BAA-793 / NCIMB 8826 / WCFS1)
OS (Lactobacillus plantarum).
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactiplantibacillus.
OX NCBI_TaxID=220668;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-793 / NCIMB 8826 / WCFS1;
RX PubMed=12566566; DOI=10.1073/pnas.0337704100;
RA Kleerebezem M., Boekhorst J., van Kranenburg R., Molenaar D., Kuipers O.P.,
RA Leer R., Tarchini R., Peters S.A., Sandbrink H.M., Fiers M.W.E.J.,
RA Stiekema W., Klein Lankhorst R.M., Bron P.A., Hoffer S.M.,
RA Nierop Groot M.N., Kerkhoven R., De Vries M., Ursing B., De Vos W.M.,
RA Siezen R.J.;
RT "Complete genome sequence of Lactobacillus plantarum WCFS1.";
RL Proc. Natl. Acad. Sci. U.S.A. 100:1990-1995(2003).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND GENOME REANNOTATION.
RC STRAIN=ATCC BAA-793 / NCIMB 8826 / WCFS1;
RX PubMed=22156394; DOI=10.1128/jb.06275-11;
RA Siezen R.J., Francke C., Renckens B., Boekhorst J., Wels M.,
RA Kleerebezem M., van Hijum S.A.;
RT "Complete resequencing and reannotation of the Lactobacillus plantarum
RT WCFS1 genome.";
RL J. Bacteriol. 194:195-196(2012).
CC -!- FUNCTION: Specifically catalyzes the cleavage of the D-lactyl ether
CC substituent of MurNAc 6-phosphate, producing GlcNAc 6-phosphate and D-
CC lactate. {ECO:0000255|HAMAP-Rule:MF_00068}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + N-acetyl-D-muramate 6-phosphate = (R)-lactate + N-
CC acetyl-D-glucosamine 6-phosphate; Xref=Rhea:RHEA:26410,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:16004, ChEBI:CHEBI:57513,
CC ChEBI:CHEBI:58722; EC=4.2.1.126; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00068};
CC -!- PATHWAY: Amino-sugar metabolism; N-acetylmuramate degradation.
CC {ECO:0000255|HAMAP-Rule:MF_00068}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00068}.
CC -!- MISCELLANEOUS: A lyase-type mechanism (elimination/hydration) is
CC suggested for the cleavage of the lactyl ether bond of MurNAc 6-
CC phosphate, with the formation of an alpha,beta-unsaturated aldehyde
CC intermediate with (E)-stereochemistry, followed by the syn addition of
CC water to give product. {ECO:0000255|HAMAP-Rule:MF_00068}.
CC -!- SIMILARITY: Belongs to the GCKR-like family. MurNAc-6-P etherase
CC subfamily. {ECO:0000255|HAMAP-Rule:MF_00068}.
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DR EMBL; AL935263; CCC80489.1; -; Genomic_DNA.
DR RefSeq; WP_003642887.1; NC_004567.2.
DR RefSeq; YP_004891003.1; NC_004567.2.
DR AlphaFoldDB; Q88SB0; -.
DR SMR; Q88SB0; -.
DR STRING; 220668.lp_3523; -.
DR EnsemblBacteria; CCC80489; CCC80489; lp_3523.
DR KEGG; lpl:lp_3523; -.
DR PATRIC; fig|220668.9.peg.2937; -.
DR eggNOG; COG2103; Bacteria.
DR HOGENOM; CLU_049049_1_1_9; -.
DR OrthoDB; 9813395at2; -.
DR PhylomeDB; Q88SB0; -.
DR UniPathway; UPA00342; -.
DR Proteomes; UP000000432; Chromosome.
DR GO; GO:0097367; F:carbohydrate derivative binding; IEA:InterPro.
DR GO; GO:0016835; F:carbon-oxygen lyase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046348; P:amino sugar catabolic process; IEA:InterPro.
DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-KW.
DR GO; GO:0097173; P:N-acetylmuramic acid catabolic process; IEA:UniProtKB-UniPathway.
DR CDD; cd05007; SIS_Etherase; 1.
DR Gene3D; 1.10.8.1080; -; 1.
DR HAMAP; MF_00068; MurQ; 1.
DR InterPro; IPR005488; Etherase_MurQ.
DR InterPro; IPR005486; Glucokinase_regulatory_CS.
DR InterPro; IPR040190; MURQ/GCKR.
DR InterPro; IPR001347; SIS_dom.
DR InterPro; IPR046348; SIS_dom_sf.
DR NCBIfam; TIGR00274; N-acetylmuramic acid 6-phosphate etherase; 1.
DR PANTHER; PTHR10088; GLUCOKINASE REGULATORY PROTEIN; 1.
DR PANTHER; PTHR10088:SF4; GLUCOKINASE REGULATORY PROTEIN; 1.
DR Pfam; PF01380; SIS; 1.
DR SUPFAM; SSF53697; SIS domain; 1.
DR PROSITE; PS01272; GCKR; 1.
DR PROSITE; PS51464; SIS; 1.
PE 3: Inferred from homology;
KW Carbohydrate metabolism; Lyase; Reference proteome.
FT CHAIN 1..296
FT /note="N-acetylmuramic acid 6-phosphate etherase 2"
FT /id="PRO_0000249632"
FT DOMAIN 55..218
FT /note="SIS"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
FT ACT_SITE 83
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
FT ACT_SITE 114
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
SQ SEQUENCE 296 AA; 31441 MW; 99BE8A46124D39BB CRC64;
MNLEKLTTET RNQKTMALDM LSVKEMLELM NQEDQRVPVA VSKELPQIEC AVDKIVANFK
AGGRLIYMGA GTSGRLGVLD AAECVPTFGT SPEMVQGLIA GGMSAMTVAV EGAEDSIELG
QQDLVDLHLT SHDTVVGVAA SGRTPYVIGG LDYACEVGAT TVSIACNADA SISQHAQIPI
EVEVGPEILT GSTRLKSGTA QKLVLNMLST ASMVGIGKVY KNLMVDVKPT NEKLVERAKR
IIVQATDCSD ETAVKVFMTA DQNVKLAIVM VLTNMSKAEA SVRLDHANGF VRQAVN
//
