Literature summary for 3.4.21.B57 extracted from

Pulido, M.A.; Tanaka, S.; Sringiew, C.; You, D.J.; Matsumura, H.; Koga, Y.; Takano, K.; Kanaya, S.
Requirement of left-handed glycine residue for high stability of the Tk-subtilisin propeptide as revealed by mutational and crystallographic analyses (2007), J. Mol. Biol., 374, 1359-1373.

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Protein Variants

Protein Variants	Comment	Organism
additional information	Pro-Tk-subtilisin variants with complete amino acid substitutions at Gly56 are constructed. Pro-G56W, Pro-G56E and Pro-G56S are overproduced, purified, and characterized. Their maturation rates increase in the order wild-type enzyme or = G56W-propeptide > G56S-propeptide > G56E-propeptide, indicating that they are inversely correlated with the maturation rates of Pro7-Tk-subtilisin and its derivatives	Thermococcus kodakarensis

Organism

Organism	UniProt	Comment	Textmining
Thermococcus kodakarensis	P58502	sequence including singnal peptide (amino acid 1-24) and propeptide (amino acid 25-106)	-

Posttranslational Modification

Posttranslational Modification	Comment	Organism
proteolytic modification	Tk-subtilisin (the mature domain of Pro-Tk-subtilisin in active form (Gly70-Gly398)) is matured from Pro-Tk-subtilisin (pro form (Gly1-Gly398)) upon autoprocessing and degradation of propeptide. Extremely slow maturation at mild temperatures. Maturation rate is greatly increased by a single Gly56/Ser mutation in the propeptide region	Thermococcus kodakarensis

Synonyms

Synonyms	Comment	Organism
Tk-subtilisin	-	Thermococcus kodakarensis

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Release 2023.1 (January 2023)