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Enzyme Nomenclature
Information on EC 2.3.2.10 - UDP-N-acetylmuramoylpentapeptide-lysine N6-alanyltransferase
for references in articles please use BRENDA:EC2.3.2.10
Word Map on EC 2.3.2.10
- 2.3.2.10
- peptidoglycan
- aminoacyl-trnas
- medicine
- deoxycytidine
-
aminoacylated
-
1,2,3-triazole
-
ala-trnaala
-
cycloadditions
-
phosphoramidite
-
regioisomers
-
microhelix
- nucleoside
-
five-membered
- triazole
-
alkynes
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Specify your search results
The expected taxonomic range for this enzyme is: Weissella viridescens
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EC NUMBER 
COMMENTARY 
2.3.2.10
-
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RECOMMENDED NAME
GeneOntology No.
UDP-N-acetylmuramoylpentapeptide-lysine N6-alanyltransferase
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REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT
LITERATURE
L-alanyl-tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine = tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
L-alanyl-tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine = tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
also acts on L-seryl-tRNA
-
-
-
L-alanyl-tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine = tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
catalysis via a ternary complex; transfer of L-Ala to epsilon-amino group of L-lysine of UDP-UDP-acetylmuramoylpentapeptide in an ordered sequential mechanism
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
aminoacyl group transfer
aminoacyl group transfer
-
-
-
-
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
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SYSTEMATIC NAME
IUBMB Comments
L-alanyl-tRNAAla:UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine N6-alanyltransferase
Also acts on L-seryl-tRNASer.
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CAS REGISTRY NUMBER
COMMENTARY
37257-26-4
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ORGANISM
COMMENTARY
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
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SUBSTRATE
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
glycyl-tRNAGly + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAGly + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(glycyl)-L-lysyl-D-alanyl-D-alanine
-
poor substrate
-
-
ir
L-alanyl-tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
-
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
L-alanyl-tRNASer + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNASer + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
-
-
?
L-cysteinyl-tRNACys + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNACys + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-cysteinyl)-L-lysyl-D-alanyl-D-alanine
-
-
-
-
ir
L-seryl-tRNASer + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNA + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-seryl)-L-lysyl-D-alanyl-D-alanine
-
-
-
?
L-seryl-tRNASer + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNASer + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-seryl)-L-lysyl-D-alanyl-D-alanine
-
about half as effective as L-alanyl-tRNA
-
ir
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
-
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
poor or no acceptors are acetylmuramoyl- and phosphoacetylmuramoyl-L-Ala-L-Glu-L-Lys-D-Ala-D-Ala or UDP-acetylmuramoyl-L-Ala-L-Glu-L-Lys
-
ir
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
no strict specificity for tRNA-carrier: tRNACys can replace tRNAAla, tRNA from other species can substitute to some extent for the homologous tRNA from Lactobacillus viridescens, higher specificity for transferred amino acid: amino acids with larger substituents are no substrates, UDP-acetylmuramyl-L-Ala-D-Glu-meso-diaminopimelic acid-D-Ala-D-Ala can replace UDP-acetylmuramyl-L-Ala-D-Glu-L-Lys-D-Ala-D-Ala at 15% the transfer rate
-
ir
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
involved in peptidoglucan metabolism, responsible for interpeptide bridges
-
-
ir
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
production of precursors for branched chain peptidoglycans
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
production of precursors for branched chain peptidoglycans, involved in the synthesis of bacterial cell walls
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
Weissella viridescens CIP 102810 / ATCC 12706
-
-
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
Weissella viridescens CIP 102810 / ATCC 12706
-
production of precursors for branched chain peptidoglycans
-
-
?
additional information
?
-
-
also utilizes UDP-N-acetylmuramoylpentapeptide containing L-ornithine as substrate
-
-
-
additional information
?
-
-
enzyme highly specific for UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine, only traces of activity with UDP-N-acetylmuramoyl-tripeptide or UDP-N-acetylmuramoyl-tetrapeptide or derivatives of UDP-N-acetylmuramoyl-pentapeptide
-
-
-
additional information
?
-
-
catalyses the transfer of L-Ala from Ala-tRNAAla to the peptidoglycan precursor UDP-MurNAc-pentapeptide in order to introduce the first residue of an L-Ala-L-Ser-L-Ala side chain
-
-
-
additional information
?
-
-
FemXWv transferase adds the first residue of the L-Ala-L-Ser-L-Ala side chain onto the nucleotide precursor UDP-MurNAc-pentadepsipeptide
-
-
-
additional information
?
-
Weissella viridescens CIP 102810 / ATCC 12706
-
enzyme highly specific for UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine, only traces of activity with UDP-N-acetylmuramoyl-tripeptide or UDP-N-acetylmuramoyl-tetrapeptide or derivatives of UDP-N-acetylmuramoyl-pentapeptide
-
-
-
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NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
L-alanyl-tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
-
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
involved in peptidoglucan metabolism, responsible for interpeptide bridges
-
-
ir
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
-
production of precursors for branched chain peptidoglycans
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
Q9EY50
production of precursors for branched chain peptidoglycans, involved in the synthesis of bacterial cell walls
-
-
?
L-alanyl-tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
tRNAAla + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-alanyl-D-alanine
Weissella viridescens CIP 102810 / ATCC 12706
-
production of precursors for branched chain peptidoglycans
-
-
?
additional information
?
-
-
catalyses the transfer of L-Ala from Ala-tRNAAla to the peptidoglycan precursor UDP-MurNAc-pentapeptide in order to introduce the first residue of an L-Ala-L-Ser-L-Ala side chain
-
-
-
additional information
?
-
-
FemXWv transferase adds the first residue of the L-Ala-L-Ser-L-Ala side chain onto the nucleotide precursor UDP-MurNAc-pentadepsipeptide
-
-
-
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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
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INHIBITORS
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
-
product inhibition
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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
0.079
UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
-
pH 7.5, 30°C
0.054
Ala-tRNAAla
-
Ala-tRNAAla from E. coli, recombinant mutant E320Q
-
0.061
Ala-tRNAAla
-
Ala-tRNAAla from E. coli, recombinant mutant D109N
-
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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
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Ki VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
0.048
UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
-
product inhibition
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IC50 VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
additional information
-
relative activity of FemXWv for the transfer of L-Ala from helixAla to UDP-MurNAc-pentapeptide 100%; relative activity of FemXWv for the transfer of L-Ala from helixGly to UDP-MurNAc-pentapeptide 2.9%; relative activity of FemXWv for the transfer of L-Ala from helixSer to UDP-MurNAc-pentapeptide 31%
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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
7.5
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pH RANGE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
5.2 - 8.6
-
L-alanyl-tRNA, about 80% of maximal activity at pH 5.2 and pH 8.6
6.1 - 8.6
-
L-seryl-tRNA, about half-maximal activity at pH 6.1 and about 90% of maximal activity at pH 8.6
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TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
30
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LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY
GeneOntology No.
LITERATURE
SOURCE
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PDB
SCOP
CATH
ORGANISM
UNIPROT
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MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
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SUBUNITS
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
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Crystallization/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
crystallized in the presence of UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine by vapor diffusion method
-
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Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
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Cloned/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
expression of wild-type and mutants as His-tagged proteins in Escherichia coli, in vitro transcription of tRNAs
-
wild type and mutant enzymes expressed as His-tag fusion proteins in Escherichia coli TOP10
-
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ENGINEERING
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
D109N
-
site-directed mutagenesis, loss of 99% activity compared to the wild-type
E205Q
-
site-directed mutagenesis, unaltered activity compared to the wild-type
E215Q
-
site-directed mutagenesis, loss of 15% activity compared to the wild-type
E316Q
-
site-directed mutagenesis, loss of 60% activity compared to the wild-type
E320Q
-
site-directed mutagenesis, loss of 96% activity compared to the wild-type
K36R
-
160-fold reduction of activity, 5.4-fold increased Km for UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
R211K
-
17000-fold reduction of activity, no effect on Km for Ala-tRNA, Km for UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine higher than the highest sample concentration
Y215F
-
25-fold decrease of activity, increased Km for UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
R211K
Weissella viridescens CIP 102810 / ATCC 12706
-
17000-fold reduction of activity, no effect on Km for Ala-tRNA, Km for UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine higher than the highest sample concentration
-
Y215F
Weissella viridescens CIP 102810 / ATCC 12706
-
25-fold decrease of activity, increased Km for UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine
-
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APPLICATION
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
medicine
medicine
-
Fem transferases are considered attractive targets for the development of novel antibiotics active against multiply resistant bacteria
medicine
-
Fem transferases are considered as attractive targets for the development of novel antibiotics active against multi-resistant bacteria
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LINKS TO OTHER DATABASES (specific for EC-Number 2.3.2.10)
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