5.1.1.13: aspartate racemase

This is an abbreviated version!
For detailed information about aspartate racemase, go to the full flat file.

Reaction

Synonyms

Asp racemase, Aspartate racemase, AspR, D-Asp racemase, D-Aspartate racemase, GOT1L1, LsAspR, OCC_11152, P. AspR, PhAspR, PLP-independent AspR, PTO0149, PtoAspR, pyridoxal 5'-phosphate independent aspartate racemase, pyridoxal 5'-phosphate-independent aspartate racemase, Racemase, aspartate, SbAspR, Tl-AspR

ECTree

     5 Isomerases

         5.1 Racemases and epimerases

             5.1.1 Acting on amino acids and derivatives

                5.1.1.13 aspartate racemase

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Results	in table
12	Activating Compound
1982	AA Sequence
3	Application
1	CAS Registry Number
18	Cloned(Commentary)
15	Cofactor
6	Crystallization (Commentary)
3	Disease/ Diagnostics
29	General Information
45	Inhibitors
13	kcat/KM [mM/s]
3	Ki Value [mM]
42	KM Value [mM]
5	Localization
2	Metals/Ions
13	Molecular Weight [Da]
20	Natural Substrates/ Products (Substrates)
100	Organism
5	Pathway
15	PDB ID
18	pH Optimum
2	pH Range
4	pH Stability
1	pI Value
21	Protein Variants
19	Purification (Commentary)
5	Reaction
3	Reaction Type
56	Reference
62	Source Tissue
12	Specific Activity [micromol/min/mg]
87	Substrates and Products (Substrate)
17	Subunits
41	Synonyms
1	Systematic Name
15	Temperature Optimum [°C]
1	Temperature Range [°C]
7	Temperature Stability [°C]
23	Turnover Number [1/s]

Specific Activity

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Specific Activity on EC 5.1.1.13 - aspartate racemase

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SPECIFIC ACTIVITY [µmol/min/mg]

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

1160

Thermoplasma acidophilum

-

70°C, pH not specified in the publication

726850

1550

Thermococcus litoralis

H3ZNI2

crude recombinant, pH 8.0, 90°C

747721

1590

Thermococcus litoralis

H3ZNI2

purified recombinant enzyme after complete purification procedure, pH 8.0, 90°C

747721

19.5

Streptococcus thermophilus

-

crude recombinant enzyme in Escherichia coli cell extract, coupled assay method, pH 8.3, 37°C

748452

19.9

Streptococcus thermophilus

-

-

2078

22.6

Anadara broughtonii

-

for D-aspartate

650892

26.8

Streptococcus thermophilus

-

-

2077

3870

Thermococcus litoralis

H3ZNI2

partially purified recombinant enzyme, after the first anion exchange chromatographic step, pH 8.0, 90°C

747721

4.75

Bifidobacterium bifidum

-

-

661647

460

Mus musculus

-

Vmax of recombinant enzyme, activity is assayed in 500 nl of pyrydoxal 5'-phosphate (100 nM), 0.49 ml of recombinant enzyme (0.5 mg/ml), and 0.01 mL of 1 mM L-aspartate at 37°C for 1 h in 10 mM Tris (pH 7.5)

706558

7.39

Anadara broughtonii

-

for L-aspartate

650892

additional information

Rattus norvegicus

-

the pituitary gland is the tissue which contains the highest enzymatic activity, with 20.0 EU/mg protein, followed by: testis; brain, liver, kidney and serum, 1 enzyme unit (EU) is defined as the amount of the enzyme capable of generating 1 nmol of D-Asp in 60 min of incubation at 37°C and in the assay conditions (0.1 M Tris-HCl,10 mM EDTA, 0.1 M sodium L-aspartate)

706688