MURQ_SYNS9
ID MURQ_SYNS9 Reviewed; 316 AA.
AC Q3AXW8;
DT 19-SEP-2006, integrated into UniProtKB/Swiss-Prot.
DT 22-NOV-2005, sequence version 1.
DT 25-MAY-2022, entry version 100.
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=Syncc9902_1095;
OS Synechococcus sp. (strain CC9902).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC unclassified Synechococcus.
OX NCBI_TaxID=316279;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CC9902;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Martinez M., Schmutz J., Larimer F.,
RA Land M., Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of Synechococcus sp. CC9902.";
RL Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000097; ABB26059.1; -; Genomic_DNA.
DR RefSeq; WP_011359889.1; NC_007513.1.
DR AlphaFoldDB; Q3AXW8; -.
DR SMR; Q3AXW8; -.
DR STRING; 316279.Syncc9902_1095; -.
DR EnsemblBacteria; ABB26059; ABB26059; Syncc9902_1095.
DR KEGG; sye:Syncc9902_1095; -.
DR eggNOG; COG2103; Bacteria.
DR HOGENOM; CLU_049049_1_1_3; -.
DR OMA; CPPTFCT; -.
DR OrthoDB; 1100044at2; -.
DR UniPathway; UPA00342; -.
DR Proteomes; UP000002712; 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; Reference proteome.
FT CHAIN 1..316
FT /note="N-acetylmuramic acid 6-phosphate etherase"
FT /id="PRO_0000249672"
FT DOMAIN 66..229
FT /note="SIS"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
FT REGION 1..23
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 94
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
FT ACT_SITE 125
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00068"
SQ SEQUENCE 316 AA; 33433 MW; 486954F261B47A23 CRC64;
MAGFDPTLQP SDDRGHLLTE QSNPRSRRLD QLATNDLVNL FVEEDRRPQE AVAEASEAIA
AAVDAISKRL SSGGRLFYLG AGTSGRLGVL DAAECPPTFC SDPELVQGVL AGGTPALLRS
SEGLEDLEQA GRDDLDRHGF RQGDCLVGIA AGGTTPYVRG GLSYACSIGA LAIAMACVPK
DQAPLPCDID IRLLTGPELL TGSTRLKAGT ATKMALNILS TTVMVRLGKV YGNRMVDVAA
SNSKLVDRSL RILRDLIGVE REEGLALLAL SDGSVKLALL MKAANLSKDQ ARSVLERHDQ
QLRPSLETCG ATLAQL