proteolysis
Let an agent explain proteolysis and its kinds, relay enzymes, mechanisms and regulation from biochemistry references, describe roles in physiology, disease and drug design, and distinguish proteolysis from protein denaturation, degradation of other molecules and non-enzymatic hydrolysis.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent explain proteolysis and its kinds, relay enzymes, mechanisms and regulation from biochemistry references, describe roles in physiology, disease and drug design, and distinguish proteolysis from protein denaturation, degradation of other molecules and non-enzymatic hydrolysis.
The breakdown of proteins into smaller polypeptides or amino acids by hydrolysis of peptide bonds, carried out by proteases and peptidases, occurring as digestion in the gut, as intracellular protein turnover through the proteasome and lysosomes, as limited proteolysis that activates enzymes, hormones and signalling proteins by cleaving specific sites, as removal of small protein modifiers such as ubiquitin, as membrane protein cleavage, and as self-proteolysis or autolysis; proteolysis regulates the cell cycle, apoptosis and immunity and is targeted by drugs.
What it is for: Not applicable; a biochemical process.
It can be explain kinds and mechanisms; relay enzymes and regulation; describe roles and applications; distinguish related processes.
Distinguishing features
Peptide bond hydrolysis
Enzyme catalysed
Complete or limited
Regulatory roles
What it looks like
Not a visible object; peptide bond cleavage.
Physical character
protease classes: serine, cysteine, aspartic, metallo, threonine, glutamic list
human proteases: about 600 count - degradome estimates
How it is recognised
Enzymatic breakdown of proteins
Digestive proteolysis, proteasomal and lysosomal degradation, limited proteolysis, deubiquitination, membrane protein proteolysis, autolysis
Denaturation unfolds without cleavage; glycolysis and lipolysis break other molecules
Related models
is a kind of - in registry terms
is catalysed by - of several classes
is carried out by - for tagged proteins
is contrasted with - which does not cleave bonds
In practice
Families and kinds
digestive proteolysis by pepsin, trypsin and chymotrypsin
intracellular protein catabolism via proteasome and lysosome
limited proteolysis and protein processing such as zymogen activation
removal of small protein modifiers such as ubiquitin and SUMO
membrane protein proteolysis including regulated intramembrane proteolysis
self-proteolysis and autolysis
Identifiers
GO GO:0006508 proteolysis
MeSH D011487 proteolysis
Standards and regulation
Gene Ontology and enzyme nomenclature
No regulation
Failure modes and hazards
Confusing proteolysis with denaturation
Overgeneralising digestive proteolysis to cellular regulation
Agents giving personal medical advice on protease inhibitors
Also called
Where this came from
wikidata · CC0 1.0
Also registered as vr.tr.proteolysis
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Understand What proteolysis is.
Science.
Definition
Definition.
Definition
Definition.
- What is proteolysis, and how does it differ from denaturation and other degradation? definition
- Is the question about proteolysis in general, a specific kind or a protease? boundary
Kinds
Kinds.
Kinds
Kinds.
- How do digestive, proteasomal, lysosomal, limited, deubiquitinating, membrane and self-proteolysis differ? definition
- Which entry fits the specific kind? action
Mechanism Enzymes and regulation.
Science.
Enzymes
Proteases.
Enzymes
Enzymes.
- How do the protease classes cleave peptide bonds, and how is specificity determined? provenance
- Which references are standard? provenance
Regulation
Regulation.
Regulation
Regulation.
- How is proteolysis controlled by zymogens, inhibitors, compartments and ubiquitin tagging? provenance
- Which sources are cited? provenance
Roles Roles.
Application.
Physiology
Physiology.
Physiology
Physiology.
- What roles does proteolysis play in digestion, cell cycle, apoptosis, blood clotting and immunity? provenance
- Which entry fits the specific role? action
Medicine
Disease and drugs.
Medicine
Medicine.
- How do proteolysis errors cause disease, and how do protease inhibitors and proteasome inhibitors work, in general terms? provenance
- Is the user asking about their own treatment, which needs a clinician? boundary
Context Methods and history.
Context.
Methods
Methods.
Methods
Methods.
- How is proteolysis studied and used in proteomics and food science? provenance
- Which entry fits proteomics? action
History
History.
History
History.
- How were proteases and the ubiquitin-proteasome system discovered? provenance
- Which entry fits the history of biochemistry? action
What the second pass must settle
- Should the proteasome and limited proteolysis be separate primary entries?
- How should biochemistry references be linked?
- The registry entry has merged aliases naming Gene Ontology subterms; should they be split off?