Category: 3
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Subtilisin
Subtilisin is a protease (a protein-digesting enzyme) initially obtained from Bacillus subtilis. Subtilisins belong to subtilases, a group of serine proteases that – like all serine proteases – initiate the nucleophilic attack on the peptide (amide) bond through a serine residue at the active site. Subtilisins typically have molecular weights 27kDa. They can be obtained from certain types of soil bacteria, for example, Bacillus amyloliquefaciens from which they are secreted in large amounts. Nomenclature “Subtilisin”…
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Three-finger proteins and three-finger toxins
Three-finger proteins or three-finger protein domains (3FP or TFPD) are a protein superfamily consisting of small, roughly 60-80 amino acid residue protein domains with a common tertiary structure: three beta strand loops extended from a hydrophobic core stabilized by disulfide bonds. The family is named for the outstretched “fingers” of the three loops. Members of the family have no enzymatic activity, but are capable of forming protein-protein interactions with high specificity and affinity. The founding members of the…
NOTES
- 🧬 Disease Table with Low Sodium Connection
- 🧂 Sodium Reduction and Sodium Replacement: A History of Reformulation and Exploding Diseases, Including Many Diseases Unheard of Before Deadly Sodium Policies
- 🧂 The DEADLY 1500 mg Sodium Recommendation predates the WHO’s formal global sodium reduction push by nearly a decade (and it’s even worse than that)
- 🧬 What Is Beta-Glucuronidase?
- When Sugar Was Salt: Crystalline Confusion and the Covenant of Sweetness
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