Information on EC 4.3.1.13 - carbamoyl-serine ammonia-lyase:
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The lowest common taxonomy group for this enzyme is: Rattus norvegicus

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EC NUMBERCOMMENTARY
4.3.1.13-

RECOMMENDED NAMEGeneOntology No.
carbamoyl-serine ammonia-lyaseGO:0047766

REACTIONREACTION DIAGRAMCOMMENTARYORGANISM UNIPROT ACCESSION NO.LITERATURE
O-carbamoyl-L-serine + H2O = pyruvate + 2 NH3 + CO2
show the reaction diagram		----

REACTION TYPEORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATURE
elimination--of NH3, C-N bond cleavage-
additional information---6042
additional information--alpha, beta elimination; eliminated group is probably carbamic acid, which is unstable under assay conditions and breaks down to NH3 and CO2-

PATHWAYKEGG LinkMetaCyc Link
No entries in this field

SYSTEMATIC NAMEIUBMB Comments
O-carbamoyl-L-serine ammonia-lyase (decarboxylating; pyruvate-forming)A pyridoxal-phosphate protein.

SYNONYMSORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATURE
ammonia-lyase, carbamoylserine----
carbamoylserine deaminase----
O-carbamoyl-L-serine deaminase----
O-carbamoyl-L-serine deaminase (OCS)----

CAS REGISTRY NUMBERCOMMENTARY
52227-64-2-

ORGANISMCOMMENTARYLITERATURESEQUENCE CODESEQUENCE DB SOURCE
Rattus norvegicus-6042--Manually annotated by BRENDA team

GENERAL INFORMATIONORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATURE
No entries in this field

SUBSTRATEPRODUCT                      REACTION DIAGRAMORGANISM UNIPROT ACCESSION NO. COMMENTARY/
Substrate		 LITERATURE/
Substrate		 COMMENTARY/
Product		 LITERATURE/
Product		 Reversibility
r=reversible
ir=irreversible
?=not specified
O-carbamoyl-L-serinepyruvate + 2 NH3 + CO2
show the reaction diagram		Rattus norvegicus--6042-6042-
O-Carbamoyl-L-serine?
show the reaction diagram		Rattus norvegicus--6042---
S-carbamoyl-L-cysteinepyruvate + ?
show the reaction diagram		Rattus norvegicus--604210% pyruvate formation of that towards O-carbamoyl-L-serine6042-

NATURAL SUBSTRATESNATURAL PRODUCTSREACTION DIAGRAMORGANISM UNIPROT ACCESSION NO.COMMENTARY SUBSTRATELITERATURE
(Substrate)		COMMENTARY PRODUCTLITERATURE
(Product)
O-Carbamoyl-L-serine?
show the reaction diagram		Rattus norvegicus--6042--

COFACTORORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATUREIMAGE
pyridoxal 5'-phosphateRattus norvegicus-omission leads to 60% decrease of activity6042 2D-image

METALS and IONS ORGANISM UNIPROT ACCESSION NO.COMMENTARY LITERATURE
No entries in this field

INHIBITORSORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE IMAGE
beta-chloro-L-alanineRattus norvegicus-irreversible6042 2D-image
L-AlbizziinRattus norvegicus-20 mM, 20% inhibition6042 2D-image
L-glutamineRattus norvegicus-20 mM, 60% inhibition6042 2D-image

ACTIVATING COMPOUNDORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE IMAGE
No entries in this field

KM VALUE [mM]KM VALUE [mM] MaximumSUBSTRATEORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE IMAGE
17-O-Carbamoyl-L-serineRattus norvegicus--6042 2D-image

TURNOVER NUMBER [1/s] TURNOVER NUMBER MAXIMUM[1/s] SUBSTRATEORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE IMAGE
No entries in this field

kcat/KM VALUE [1/mMs-1]kcat/KM VALUE [1/mMs-1] MaximumSUBSTRATEORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE IMAGE
No entries in this field

Ki VALUE [mM]Ki VALUE [mM] MaximumINHIBITORORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE IMAGE
No entries in this field

IC50 VALUE [mM]IC50 VALUE [mM] MaximumINHIBITORORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE IMAGE
No entries in this field

SPECIFIC ACTIVITY [µmol/min/mg] SPECIFIC ACTIVITY MAXIMUM ORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE
0.49-Rattus norvegicus--6042

pH OPTIMUMpH MAXIMUMORGANISM UNIPROT ACCESSION NO. COMMENTARYLITERATURE
7.88.8Rattus norvegicus-in 0.1 M sodium borate buffer6042

pH RANGEpH RANGE MAXIMUMORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATURE
No entries in this field

TEMPERATURE OPTIMUMTEMPERATURE OPTIMUM MAXIMUMORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATURE
37-Rattus norvegicus-enzyme assay at6042

TEMPERATURE RANGE TEMPERATURE MAXIMUM ORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE
No entries in this field

pI VALUEpI VALUE MAXIMUMORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATURE
No entries in this field

SOURCE TISSUE ORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE SOURCE
liverRattus norvegicus--6042Manually annotated by BRENDA team

LOCALIZATION ORGANISM UNIPROT ACCESSION NO. COMMENTARY GeneOntology No. LITERATURE SOURCE
No entries in this field

PDBSCOPCATHORGANISM
No entries in this field

MOLECULAR WEIGHT MOLECULAR WEIGHT MAXIMUM ORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE
No entries in this field

SUBUNITS ORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE
No entries in this field

POSTTRANSLATIONAL MODIFICATION ORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE
No entries in this field

Crystallization/COMMENTARY ORGANISM UNIPROT ACCESSION NO. LITERATURE
No entries in this field

pH STABILITYpH STABILITY MAXIMUM ORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE
No entries in this field

TEMPERATURE STABILITYTEMPERATURE STABILITY MAXIMUM ORGANISM UNIPROT ACCESSION NO. COMMENTARYLITERATURE
No entries in this field

GENERAL STABILITYORGANISM UNIPROT ACCESSION NO.LITERATURE
No entries in this field

ORGANIC SOLVENT ORGANISM UNIPROT ACCESSION NO. COMMENTARY LITERATURE
No entries in this field

OXIDATION STABILITY ORGANISM UNIPROT ACCESSION NO. LITERATURE
No entries in this field

STORAGE STABILITY ORGANISM UNIPROT ACCESSION NO. LITERATURE
-20°C, no loss of activity after 2 weeks in 20% glycerol containing 0.1 mM pyridoxal 5-phosphate, 1 mM 2-mercaptoethanol and 10 mM potassium phosphate bufer, pH 7.2Rattus norvegicus-6042

Purification/COMMENTARY ORGANISM UNIPROT ACCESSION NO. LITERATURE
-Rattus norvegicus-6042

Cloned/COMMENTARY ORGANISM UNIPROT ACCESSION NO. LITERATURE
No entries in this field

EXPRESSION ORGANISM UNIPROT ACCESSION NO. LITERATURE
No entries in this field

ENGINEERINGORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATURE
No entries in this field

Renatured/COMMENTARYORGANISM UNIPROT ACCESSION NO.LITERATURE
No entries in this field

APPLICATIONORGANISM UNIPROT ACCESSION NO.COMMENTARYLITERATURE
No entries in this field

REF. AUTHORS TITLE JOURNAL VOL. PAGES YEAR ORGANISMLINK TO PUBMEDSOURCE
6042Cooper, A.J.L.; Meister, A.Enzymatic conversion of O-carbamyl-L-serine to pyruvate and ammoniaBiochem. Biophys. Res. Commun.55780-7871973Rattus norvegicus PubMed

LINKS TO OTHER DATABASES (specific for EC-Number 4.3.1.13)
ExplorEnz
ExPASy
KEGG
MetaCyc
NCBI: PubMed, Protein, Nucleotide, Structure, Genome, OMIM
IUBMB Enzyme Nomenclature
PROSITE Database of protein families and domains
SYSTERS
Protein Mutant Database
InterPro (database of protein families, domains and functional sites)