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Literature summary for 2.1.1.77 extracted from

  • Nayak, N.R.; Putnam, A.A.; Addepalli, B.; Lowenson, J.D.; Chen, T.; Jankowsky, E.; Perry, S.E.; Dinkins, R.D.; Limbach, P.A.; Clarke, S.G.; Downie, A.B.
    An Arabidopsis ATP-dependent, DEAD-box RNA helicase loses activity upon IsoAsp formation but is restored by protein isoaspartyl methyltransferase (2013), Plant Cell, 25, 2573-2586.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3)RIL cells Arabidopsis thaliana

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00051
-
plant RNA helicase 75 L-isoaspartate at pH 7.5 and 25°C Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + plant RNA helicase 75 L-isoaspartate Arabidopsis thaliana
-
S-adenosyl-L-homocysteine + plant RNA helicase 75 L-isoaspartate alpha-methyl ester
-
?
S-adenosyl-L-methionine + protein L-isoaspartate Arabidopsis thaliana
-
S-adenosyl-L-homocysteine + protein L-isoaspartate alpha-methyl ester
-
?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
-
-
-

Purification (Commentary)

Purification (Comment) Organism
HiTrap Ni-agarose column chromatography, and gel filtration Arabidopsis thaliana

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + plant RNA helicase 75 L-isoaspartate
-
Arabidopsis thaliana S-adenosyl-L-homocysteine + plant RNA helicase 75 L-isoaspartate alpha-methyl ester
-
?
S-adenosyl-L-methionine + protein L-isoaspartate
-
Arabidopsis thaliana S-adenosyl-L-homocysteine + protein L-isoaspartate alpha-methyl ester
-
?

Synonyms

Synonyms Comment Organism
PIMT1
-
Arabidopsis thaliana
protein isoaspartyl methyltransferase
-
Arabidopsis thaliana