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Literature summary for 5.6.1.7 extracted from

  • Tang, Y.C.; Chang, H.C.; Chakraborty, K.; Hartl, F.U.; Hayer-Hartl, M.
    Essential role of the chaperonin folding compartment in vivo (2008), EMBO J., 27, 1458-1468.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
GroEL mutants are constructed in a pCH vector backbone, chaperonin constructs for in vivo co-expression are prepared by inserting the fragments into the pOFXtac-SL2 vector, furthermore the vectors pCH-L16-GFP and pBAD18 are used Escherichia coli

Protein Variants

Protein Variants Comment Organism
D398A ATPase deficient mutant Escherichia coli
EL-2GGM4 cavity size mutant, cis-cavity volume 96%, net charge -42 Escherichia coli
EL-2GGM4-D398A ATPase deficient mutant Escherichia coli
EL-3GGM4 cavity size mutant, cis-cavity volume 91%, net charge -42 Escherichia coli
EL-3GGM4-D398A ATPase deficient mutant Escherichia coli
EL-3N3Q charge mutant, cis-cavity volume 100%, net charge 0 Escherichia coli
EL-4GGM4 cavity size mutant, cis-cavity volume 87%, net charge -42 Escherichia coli
EL-KKK2 charge mutant, cis-cavity volume 100%, net charge 0 Escherichia coli
EL-NNQ charge mutant, cis-cavity volume 100%, net charge -21 Escherichia coli
ELDELTAC cavity size mutant, cis-cavity volume 104%, net charge -42 Escherichia coli

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Escherichia coli 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
57000
-
monomer, GroEL is an 800 kDa cylindrical complex consisting of two stacked heptameric rings of 57 kDa subunits Escherichia coli
800000
-
GroEL, two stacked heptameric rings of 57 kDa subunits Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + H2O + a folded polypeptide Escherichia coli
-
ADP + phosphate + an unfolded polypeptide
-
ir

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + H2O + a folded polypeptide
-
Escherichia coli ADP + phosphate + an unfolded polypeptide
-
ir

Subunits

Subunits Comment Organism
heptamer GroEL is an 800 kDa cylindrical complex consisting of two stacked heptameric rings of 57 kDa subunits Escherichia coli

Synonyms

Synonyms Comment Organism
chaperonin ATPase
-
Escherichia coli
GroEL ATPase
-
Escherichia coli

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
ATPase assay Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
ATPase assay Escherichia coli