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Literature summary for 5.6.1.7 extracted from

  • Yoshida, T.; Iizuka, R.; Itami, K.; Yasunaga, T.; Sakuraba, H.; Ohshima, T.; Yohda, M.; Maruyama, T.
    Comparative analysis of the protein folding activities of two chaperonin subunits of Thermococcus strain KS-1: the effects of beryllium fluoride (2007), Extremophiles, 11, 225-235.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
the chaperonin subunit is expressed in Escherichia coli strain BL21DE3 cells using the expression plasmid pK1Ebeta Thermococcus sp.
the chaperonin subunits are expressed in Escherichia coli strain BL21DE3 cells using the expression plasmid pK1Ealpha and pK1Ealpha2 for the alpha-subunit mutant and the wild-type alpha-subunit Thermococcus sp.

Protein Variants

Protein Variants Comment Organism
trapalpha mutant, traps the unfolded and partially folded substrate protein Thermococcus sp.

Inhibitors

Inhibitors Comment Organism Structure
beryllium fluoride BeFx Thermococcus sp.

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Thermococcus sp.
-
Thermococcus strain KS-1
-

Purification (Commentary)

Purification (Comment) Organism
-
Thermococcus sp.

Substrates and Products (Substrate)

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

Subunits

Subunits Comment Organism
homooligomer alpha16mer Thermococcus sp.
homooligomer beta16mer Thermococcus sp.

Synonyms

Synonyms Comment Organism
chaperonin alpha subunit
-
Thermococcus sp.
chaperonin beta subunit
-
Thermococcus sp.

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
ATPase assay Thermococcus sp.
90
-
higher than 90°C Thermococcus sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
ATPase assay Thermococcus sp.