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MURQ_BACCN
ID   MURQ_BACCN              Reviewed;         294 AA.
AC   A7GLK9;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   25-MAY-2022, entry version 92.
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}; OrderedLocusNames=Bcer98_0670;
OS   Bacillus cytotoxicus (strain DSM 22905 / CIP 110041 / 391-98 / NVH 391-98).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=315749;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 22905 / CIP 110041 / 391-98 / NVH 391-98;
RX   PubMed=17434157; DOI=10.1016/j.cbi.2007.03.003;
RA   Lapidus A., Goltsman E., Auger S., Galleron N., Segurens B., Dossat C.,
RA   Land M.L., Broussolle V., Brillard J., Guinebretiere M.-H., Sanchis V.,
RA   Nguen-the C., Lereclus D., Richardson P., Wincker P., Weissenbach J.,
RA   Ehrlich S.D., Sorokin A.;
RT   "Extending the Bacillus cereus group genomics to putative food-borne
RT   pathogens of different toxicity.";
RL   Chem. Biol. Interact. 171:236-249(2008).
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; CP000764; ABS21017.1; -; Genomic_DNA.
DR   RefSeq; WP_011983773.1; NC_009674.1.
DR   AlphaFoldDB; A7GLK9; -.
DR   SMR; A7GLK9; -.
DR   STRING; 315749.Bcer98_0670; -.
DR   EnsemblBacteria; ABS21017; ABS21017; Bcer98_0670.
DR   GeneID; 56416261; -.
DR   KEGG; bcy:Bcer98_0670; -.
DR   eggNOG; COG2103; Bacteria.
DR   HOGENOM; CLU_049049_1_1_9; -.
DR   OMA; CPPTFCT; -.
DR   OrthoDB; 1100044at2; -.
DR   UniPathway; UPA00342; -.
DR   Proteomes; UP000002300; 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   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   PANTHER; PTHR10088; PTHR10088; 1.
DR   PANTHER; PTHR10088:SF5; PTHR10088:SF5; 1.
DR   Pfam; PF13580; SIS_2; 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..294
FT                   /note="N-acetylmuramic acid 6-phosphate etherase"
FT                   /id="PRO_1000075104"
FT   DOMAIN          54..217
FT                   /note="SIS"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
FT   ACT_SITE        82
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
FT   ACT_SITE        113
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
SQ   SEQUENCE   294 AA;  32107 MW;  3B44FEADDA142193 CRC64;
     MLERLSTEYR NKNTMNLDEM SIKEVLEAMN QEDRKVAIAV HKEMEQIEKI VRNVISSFQN
     GGRLIYIGAG TSGRLGILDA VECPPTFGTD ERQVQGFIAG GMKAFTKAVE GAEDCEELAI
     EDLKGIQLND KDTVIGIAAS GRTPYVIGGL KYANYVGAKT ASISCNKGAE MSQLAQVSVE
     VETGAEVLTG STRLKAGTAQ KLVLNMISTA SMIGIGKVYK NLMVDVQSTN QKLVERSKRI
     IMEATEVDYK EAEAYYEKAN RNVKAAIVMI LLQCEYGEAL EKLKDAKGFV KKAL
 
 
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