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MURQ_YERP3
ID   MURQ_YERP3              Reviewed;         295 AA.
AC   A7FFU6;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   25-MAY-2022, entry version 86.
DE   RecName: Full=N-acetylmuramic acid 6-phosphate etherase {ECO:0000255|HAMAP-Rule:MF_00068};
DE            Short=MurNAc-6-P etherase {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 {ECO:0000255|HAMAP-Rule:MF_00068};
DE   AltName: Full=N-acetylmuramic acid 6-phosphate lyase {ECO:0000255|HAMAP-Rule:MF_00068};
GN   Name=murQ {ECO:0000255|HAMAP-Rule:MF_00068};
GN   OrderedLocusNames=YpsIP31758_1143;
OS   Yersinia pseudotuberculosis serotype O:1b (strain IP 31758).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Yersinia.
OX   NCBI_TaxID=349747;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IP 31758;
RX   PubMed=17784789; DOI=10.1371/journal.pgen.0030142;
RA   Eppinger M., Rosovitz M.J., Fricke W.F., Rasko D.A., Kokorina G.,
RA   Fayolle C., Lindler L.E., Carniel E., Ravel J.;
RT   "The complete genome sequence of Yersinia pseudotuberculosis IP31758, the
RT   causative agent of Far East scarlet-like fever.";
RL   PLoS Genet. 3:1508-1523(2007).
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. Together with AnmK, is also required for the utilization of
CC       anhydro-N-acetylmuramic acid (anhMurNAc) either imported from the
CC       medium or derived from its own cell wall murein, and thus plays a role
CC       in cell wall recycling. {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; 1,6-anhydro-N-acetylmuramate
CC       degradation. {ECO:0000255|HAMAP-Rule:MF_00068}.
CC   -!- PATHWAY: Amino-sugar metabolism; N-acetylmuramate degradation.
CC       {ECO:0000255|HAMAP-Rule:MF_00068}.
CC   -!- PATHWAY: Cell wall biogenesis; peptidoglycan recycling.
CC       {ECO:0000255|HAMAP-Rule:MF_00068}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00068}.
CC   -!- INDUCTION: Induced by MurNAc 6-phosphate that releases the repressor
CC       MurR from the DNA. Repressed by MurR in the absence of MurNAc 6-
CC       phosphate. {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; CP000720; ABS47920.1; -; Genomic_DNA.
DR   RefSeq; WP_002211565.1; NC_009708.1.
DR   AlphaFoldDB; A7FFU6; -.
DR   SMR; A7FFU6; -.
DR   EnsemblBacteria; ABS47920; ABS47920; YpsIP31758_1143.
DR   GeneID; 66844695; -.
DR   KEGG; ypi:YpsIP31758_1143; -.
DR   HOGENOM; CLU_049049_1_1_6; -.
DR   OMA; TRNPATM; -.
DR   UniPathway; UPA00342; -.
DR   UniPathway; UPA00343; -.
DR   UniPathway; UPA00544; -.
DR   Proteomes; UP000002412; 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:0097175; P:1,6-anhydro-N-acetyl-beta-muramic acid catabolic process; IEA:UniProtKB-UniPathway.
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   GO; GO:0009254; P:peptidoglycan turnover; IEA:UniProtKB-UniRule.
DR   CDD; cd05007; SIS_Etherase; 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   InterPro; IPR009060; UBA-like_sf.
DR   PANTHER; PTHR10088; PTHR10088; 1.
DR   PANTHER; PTHR10088:SF5; PTHR10088:SF5; 1.
DR   Pfam; PF01380; SIS; 1.
DR   SUPFAM; SSF46934; SSF46934; 1.
DR   SUPFAM; SSF53697; SSF53697; 1.
DR   TIGRFAMs; TIGR00274; TIGR00274; 1.
DR   PROSITE; PS01272; GCKR; 1.
DR   PROSITE; PS51464; SIS; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Lyase.
FT   CHAIN           1..295
FT                   /note="N-acetylmuramic acid 6-phosphate etherase"
FT                   /id="PRO_1000057461"
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   295 AA;  30902 MW;  93561BEA6842D38E CRC64;
     MSLGALISES RNPATMELDK LSTLAMLTCI NDEDRKVPDA IRLVLPAVAQ AVDLAADALK
     QGGRLIYLGA GTSGRLGVLD ASECPPTFGV PHGMVIGLIA GGPGALLKAV EGAEDDIALG
     MRDLQDLQLT ATDMVVGLAA SGRTPYVIGA LRYARELGCP TAAISCNPDS PIAQEAQVAI
     SPVVGPEALT GSTRMKSGTA QKLVLNMLST GAMVKLGKVY QNLMVDVKAT NVKLVDRACR
     IVVEATGVSR AEAEHALRQT DFEVKPAILM LLKGVSAEQA RQDLRQHHGY LRAAL
 
 
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