EC 4.2.1.126
- N-acetylmuramic acid 6-phosphate etherase
IntEnz Enzyme Nomenclature
EC 4.2.1.126
Names
Accepted name:
N-acetylmuramic acid 6-phosphate etherase
Other
names:
MurNAc-6-P etherase
MurQ
Systematic name:
(R)-lactate hydro-lyase (adding N-acetyl-D-glucosamine 6-phosphate; N-acetylmuramate 6-phosphate-forming)
Reaction
-
(R)-lactate + N-acetyl-D-glucosamine 6-phosphate = N-acetylmuramate 6-phosphate + H2O
Comments:
This enzyme, along with EC 2.7.1.170, anhydro-N-acetylmuramic acid kinase, is required for the utilization of anhydro-N-acetylmuramic acid in proteobacteria. The substrate is either imported from the medium or derived from the bacterium's own cell wall murein during cell wall recycling.
Links to other databases
MURQ1_BACLD
MURQ1_ENTFA
MURQ1_LACPL
MURQ1_VIBCH
MURQ1_VIBPA
MURQ2_BACLD
MURQ2_ENTFA
MURQ2_LACPL
MURQ2_VIBCH
MURQ2_VIBPA
MURQ_ACTP2
MURQ_ACTP7
MURQ_ACTPJ
MURQ_ACTSZ
MURQ_AERHH
MURQ_AGRRK
MURQ_ALIF1
MURQ_ALIFM
MURQ_ALISL
MURQ_ALKHC
MURQ_ALKMQ
MURQ_BACAA
MURQ_BACAC
MURQ_BACAN
MURQ_BACC0
MURQ_BACC1
MURQ_BACC2
MURQ_BACC3
MURQ_BACC4
MURQ_BACC7
MURQ_BACCN
MURQ_BACCQ
MURQ_BACCR
MURQ_BACCZ
MURQ_BACFN
MURQ_BACFR
MURQ_BACHK
MURQ_BACMK
MURQ_BACP2
MURQ_BACSK
MURQ_BACSU
MURQ_BACTN
MURQ_BACVZ
MURQ_BRUA4
MURQ_BURL3
MURQ_CALS4
MURQ_CLOAB
MURQ_CLOB1
MURQ_CLOB6
MURQ_CLOB8
MURQ_CLOBB
MURQ_CLOBH
MURQ_CLOBJ
MURQ_CLOBK
MURQ_CLOBL
MURQ_CLOBM
MURQ_CLOD6
MURQ_COLP3
MURQ_CROS5
MURQ_CROS8
MURQ_CUTAK
MURQ_DEIGD
MURQ_DEIRA
MURQ_ECO24
MURQ_ECO27
MURQ_ECO45
MURQ_ECO55
MURQ_ECO57
MURQ_ECO5E
MURQ_ECO7I
MURQ_ECO81
MURQ_ECO8A
MURQ_ECOBW
MURQ_ECODH
MURQ_ECOHS
MURQ_ECOK1
MURQ_ECOL5
MURQ_ECOL6
MURQ_ECOLC
MURQ_ECOLI
MURQ_ECOLU
MURQ_ECOSE
MURQ_ECOSM
MURQ_ECOUT
MURQ_EDWI9
MURQ_ENT38
MURQ_ERWT9
MURQ_ESCF3
MURQ_EXISA
MURQ_FRAP2
MURQ_FRATH
MURQ_FRATN
MURQ_FRATT
MURQ_GEOSW
MURQ_GEOTN
MURQ_GLOC7
MURQ_GLOVI
MURQ_GRAFK
MURQ_HAEIN
MURQ_HAEPS
MURQ_HAES1
MURQ_HISS2
MURQ_JANSC
MURQ_KLEAE
MURQ_LACAC
MURQ_LACGA
MURQ_LACJO
MURQ_LACLA
MURQ_LACLM
MURQ_LACLS
MURQ_LEVBA
MURQ_LISMC
MURQ_LISMF
MURQ_LISW6
MURQ_MANSM
MURQ_MICAN
MURQ_MYCMS
MURQ_MYCS2
MURQ_NOSP7
MURQ_NOSS1
MURQ_OCEIH
MURQ_OENOB
MURQ_PARMW
MURQ_PASMU
MURQ_PECAS
MURQ_PETMO
MURQ_PHOLL
MURQ_PHOPR
MURQ_PORG3
MURQ_PORGI
MURQ_PROM1
MURQ_PROM3
MURQ_PROMA
MURQ_PROMM
MURQ_PROMT
MURQ_PSEA6
MURQ_PSELT
MURQ_PSYIN
MURQ_RHILO
MURQ_RHOBA
MURQ_RIPO1
MURQ_RUBXD
MURQ_SALA4
MURQ_SALCH
MURQ_SALDC
MURQ_SALEP
MURQ_SALG2
MURQ_SALHS
MURQ_SALNS
MURQ_SALPA
MURQ_SALPB
MURQ_SALPK
MURQ_SALRD
MURQ_SALSV
MURQ_SALTI
MURQ_SALTY
MURQ_SERP5
MURQ_SHIB3
MURQ_SHIBS
MURQ_SHIDS
MURQ_SHIF8
MURQ_SHIFL
MURQ_SHISS
MURQ_STAA3
MURQ_STAA8
MURQ_STAAB
MURQ_STAAC
MURQ_STAAM
MURQ_STAAN
MURQ_STAAR
MURQ_STAAS
MURQ_STAAW
MURQ_STAEQ
MURQ_STAES
MURQ_STAHJ
MURQ_STAS1
MURQ_STRAW
MURQ_STRCO
MURQ_SYMTH
MURQ_SYNE7
MURQ_SYNJB
MURQ_SYNP2
MURQ_SYNP6
MURQ_SYNS9
MURQ_SYNSC
MURQ_SYNY3
MURQ_THEFY
MURQ_THEPX
MURQ_THEVB
MURQ_TRIEI
MURQ_TRIV2
MURQ_VIBA3
MURQ_VIBCB
MURQ_VIBVU
MURQ_VIBVY
MURQ_YERP3
MURQ_YERPA
MURQ_YERPB
MURQ_YERPE
MURQ_YERPG
MURQ_YERPN
MURQ_YERPP
MURQ_YERPS
MURQ_YERPY
References
-
Uehara, T., Suefuji, K., Valbuena, N., Meehan, B., Donegan, M., Park, J. T.
Recycling of the anhydro-N-acetylmuramic acid derived from cell wall murein involves a two-step conversion to N-acetylglucosamine-phosphate.
J. Bacteriol.
187
:
3643-3649
(2005).
[PMID:
15901686]
-
Uehara, T., Suefuji, K., Jaeger, T., Mayer, C., Park, J. T.
MurQ etherase is required by Escherichia coli in order to metabolize anhydro-N-acetylmuramic acid obtained either from the environment or from its own cell wall.
J. Bacteriol.
188
:
1660-1662
(2006).
[PMID:
16452451]
-
Jaeger, T., Arsic, M., Mayer, C.
Scission of the lactyl ether bond of N-acetylmuramic acid by Escherichia coli "etherase".
J. Biol. Chem.
280
:
30100-30106
(2005).
[PMID:
15983044]
-
Hadi, T., Dahl, U., Mayer, C., Tanner, M. E.
Mechanistic studies on N-acetylmuramic acid 6-phosphate hydrolase (MurQ): an etherase involved in peptidoglycan recycling.
Biochemistry
47
:
11547-11558
(2008).
[PMID:
18837509]
-
Jaeger, T., Mayer, C.
N-acetylmuramic acid 6-phosphate lyases (MurNAc etherases): role in cell wall metabolism, distribution, structure, and mechanism.
Cell. Mol. Life Sci.
65
:
928-939
(2008).
[PMID:
18049859]
[EC 4.2.1.126 created 2011]