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Literature summary for 2.1.1.77 extracted from

  • Verma, P.; Singh, A.; Kaur, H.; Majee, M.
    Protein L-isoaspartyl methyltransferase1 (CaPIMT1) from chickpea mitigates oxidative stress-induced growth inhibition of Escherichia coli (2010), Planta, 231, 329-336.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Cicer arietinum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.007
-
S-adenosyl-L-methionine in HEPES buffer, pH 7.5, at 37°C Cicer arietinum
0.25
-
L-Val-L-Tyr-L-Pro-(L-iso-Asp)-L-His-L-Ala in HEPES buffer, pH 7.5, at 37°C Cicer arietinum

Organism

Organism UniProt Comment Textmining
Cicer arietinum D2IWA7 cultivar BGD72
-

Purification (Commentary)

Purification (Comment) Organism
nickel-charged affnity column chromatography Cicer arietinum

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Cicer arietinum
-
root
-
Cicer arietinum
-
seed PIMT1 is distributed across the organs with maximum levels in seed Cicer arietinum
-
shoot
-
Cicer arietinum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + L-Val-L-Tyr-L-Pro-(L-iso-Asp)-L-His-L-Ala
-
Cicer arietinum S-adenosyl-L-homocysteine + L-Val-L-Tyr-L-Pro-(L-iso-Asp alpha methyl ester)-L-His-L-Ala
-
?

Synonyms

Synonyms Comment Organism
PIMT1
-
Cicer arietinum
protein L-isoaspartyl methyltransferase1
-
Cicer arietinum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Cicer arietinum

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
35 55
-
Cicer arietinum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
at temperature above 60°C, PIMT activity shows a sharp decline Cicer arietinum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
-
Cicer arietinum

pH Range

pH Minimum pH Maximum Comment Organism
8 10
-
Cicer arietinum

pH Stability

pH Stability pH Stability Maximum Comment Organism
9.5
-
above pH 9.5 the enzyme activity rapidly declines Cicer arietinum

Cofactor

Cofactor Comment Organism Structure
S-adenosyl-L-methionine
-
Cicer arietinum

Expression

Organism Comment Expression
Cicer arietinum the activity is elevated about 3fold towards high temperature, cold, salt, dehydration, and oxidative stress induced by paraquat, as well as high pH conditions up

General Information

General Information Comment Organism
physiological function PIMT1 may have a specifc role in stress adaptation apart from seed Cicer arietinum