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Literature summary for 2.1.2.1 extracted from

  • Rao, D.N.; Rao, N.A.
    Purification and regulatory properties of mung bean (Vigna Radiata L.) serine hydroxymethyltransferase (1982), Plant Physiol., 69, 11-18.
    View publication on PubMedView publication on EuropePMC

General Stability

General Stability Organism
2-mercaptoethanol stabilizes Vigna radiata
dialysis inactivates Vigna radiata
EDTA stabilizes Vigna radiata
KCl, NaCl or LiCl: denaturation, folate protects Vigna radiata
L-serine stabilizes Vigna radiata
tetrahydrofolate stabilizes Vigna radiata

Inhibitors

Inhibitors Comment Organism Structure
aminopterin
-
Vigna radiata
D-cycloserine
-
Vigna radiata
Dichloromethotrexate
-
Vigna radiata
DL-2-methylserine
-
Vigna radiata
DL-O-Methylserine
-
Vigna radiata
glycine
-
Vigna radiata
methotrexate
-
Vigna radiata
O-phosphoserine
-
Vigna radiata

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Vigna radiata
1.8
-
L-serine
-
Vigna radiata

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Vigna radiata 5737
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
4 * 50000, SDS-PAGE Vigna radiata
205000
-
gel filtration Vigna radiata

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-serine + tetrahydrofolate Vigna radiata regulatory protein glycine + 5,10-methylenetetrahydrofolate + H2O
-
?
L-serine + tetrahydrofolate Vigna radiata key enzyme of serine pathway for assimilation of C1-compounds glycine + 5,10-methylenetetrahydrofolate + H2O
-
?

Organism

Organism UniProt Comment Textmining
Vigna radiata
-
mung bean
-

Purification (Commentary)

Purification (Comment) Organism
-
Vigna radiata

Source Tissue

Source Tissue Comment Organism Textmining
seed germinating Vigna radiata
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Vigna radiata

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-serine + tetrahydrofolate
-
Vigna radiata glycine + 5,10-methylenetetrahydrofolate + H2O
-
r
L-serine + tetrahydrofolate regulatory protein Vigna radiata glycine + 5,10-methylenetetrahydrofolate + H2O
-
?
L-serine + tetrahydrofolate key enzyme of serine pathway for assimilation of C1-compounds Vigna radiata glycine + 5,10-methylenetetrahydrofolate + H2O
-
?

Subunits

Subunits Comment Organism
homotetramer 4 * 50000, SDS-PAGE Vigna radiata

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35
-
2 optima: 35°C and 55°C Vigna radiata
55
-
2 optima: 35°C and 55°C Vigna radiata

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 75 about half-maximal activity at 25°C and 75°C Vigna radiata

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
-
Vigna radiata

pH Range

pH Minimum pH Maximum Comment Organism
6.5 9.5 about half-maximal activity at pH 6.5 and 9.5 Vigna radiata

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate not essential Vigna radiata

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
2.02
-
D-cycloserine
-
Vigna radiata
2.3
-
glycine
-
Vigna radiata