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Papain: Applications & Products

Papain, also known as papaya proteinase I, is a cysteine protease (EC 3.4.22.2) enzyme present in papaya (Carica papaya) and mountain papaya (Vasconcellea cundinamarcensis). It is the namesake member of the papain-like protease family.

Language: English [EN]
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Papain topic overview

The analysis highlights Applications and Products as prominent areas in the source structure around Papain.

Related topics
75
Source areas
9
Connected nodes
84
Extracted relationships
59
Related term clusters
21
Bridge connections
84

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Function · 14 topics
Uses · 13 topics
Human cysteine proteases from papain family · 11 topics
Immunoglobulins · 11 topics
Papain family · 8 topics
Overview · 6 topics
Structure · 6 topics
US restriction on marketing · 5 topics
Production · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

AlphaFold
IPR000668 · PF00112
Available protein structures:
IPR000668 · PF00112
InterPro
IPR000668
PDB
IPR000668 PF00112 (ECOD; PDBsum)
Pfam
PF00112
PROSITE
PDOC00126

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Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Papain family

Structure

Function

Uses

Immunoglobulins

Production

US restriction on marketing

Human cysteine proteases from papain family

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Papain connects Entity context

The extracted context around Papain shows recurring relationship patterns in the source. For example, Papain → Accuzyme, Allanfil, Allanzyme, Ethezyme, FDA, Gladase, Kovia, Panafil, Pap Urea, Reports, Topical, Trade, Ziox Another extracted example is Papain → According, Center, Drug Administration, Drug Evaluation, FDA, FDA's, Janet Woodcock, November, On September, Papain-containing, Research, The FDA, US Food. Use these groups to spot repeated connection types before inspecting the individual relationships.

Papain

Top relations

related to Unapproved topical papain products · 13
Papain → Accuzyme, Allanfil, Allanzyme, Ethezyme, FDA, Gladase, Kovia, Panafil, Pap Urea, Reports, Topical, Trade, Ziox
related to US restriction on marketing · 13
Papain → According, Center, Drug Administration, Drug Evaluation, FDA, FDA's, Janet Woodcock, November, On September, Papain-containing, Research, The FDA, US Food
related to Function · 5
Papain → Asn-175, Cys-25, Fab, Fc, His-159
related to Immunoglobulins · 5
Papain → CroFab, Crotalid, Digibind, Fab, Fc
related to Papain family · 5
Papain → Amino, Among, Members, N-terminal, Papain-like
related to Uses · 5
Papain → European, Left, Meat, Pasteur, South America
AlphaFold · 2
Papain → IPR000668, PF00112
Available protein structures: · 2
Papain → IPR000668, PF00112
is a · 2
Papain → main ingredient of Papacarie, relatively heat-resistant enzyme
InterPro · 1
Papain → IPR000668

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

used drug products topical enzyme protease papaya also cysteine peptide known active family propeptide latex amino catalytic use tissue food

Papain relationships Subject–Predicate–Object triples

TTTA extracted 59 structured relationships around Papain. Examples in this analysis include Papain → AlphaFold → IPR000668 and Papain → AlphaFold → PF00112. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
PapainAlphaFoldIPR0006681.00infobox
PapainAlphaFoldPF001121.00infobox
PapainAvailable protein structures:IPR0006681.00infobox
PapainAvailable protein structures:PF001121.00infobox
PapainInterProIPR0006681.00infobox
PapainPDBIPR000668 PF00112 (ECOD; PDBsum)1.00infobox
PapainPfamPF001121.00infobox
PapainPROSITEPDOC001261.00infobox
PapainSCOP21aec / SCOPe / SUPFAM1.00infobox
PapainSymbolPeptidase_C11.00infobox
Papainis arelatively heat-resistant enzyme0.90text
Papainis amain ingredient of Papacarie0.90text

Related concept clusters Related term clusters

The concept neighborhoods around Papain bring nearby vocabulary together. In this analysis, examples include Used, Topical and Papaya. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Papain
    • Used
    • Topical
    • Papaya
    • Drug
    • Cells
    • Products
    • Meat
    • Fda
    • Protein
    • Active
    • Cysteine
    • Use
  • papain
    • Used
    • Topical
    • Papaya
    • Drug
    • Cells
    • Products
    • Meat
    • Fda
    • Protein
    • Active
    • Cysteine
    • Use
  • papain family
    • Papain-like
    • Protease
    • Pdb
    • Activity
    • Enzymes
    • Peptidases
    • Used
    • Topical
    • Protein
    • Papaya
    • Drug
    • Known
  • human cysteine proteases from papain family
    • Papain-like
    • Carica
    • Protease
    • Known
    • Papaya
    • Pdb
    • Peptide
    • Activity
    • Enzymes
    • Peptidases
    • Used
    • Topical
  • cysteine protease
    • Carica
    • Papain-like
    • Known
    • Papaya
    • Protease
    • Peptide
    • Pdb
    • Activity
    • Dyad
    • Enzymes
    • Family
    • Peptidases
  • papaya
    • Latex
    • Protease
    • Topical
    • Pdb
    • Activity
    • Dried
    • Enzymes
    • Family
    • May
    • Meat
    • Papain-like
    • Peptidases
  • mountain papaya
    • Latex
    • Protease
    • Topical
    • Pdb
    • Activity
    • Dried
    • Enzymes
    • Family
    • May
    • Meat
    • Papain-like
    • Peptidases
  • food and drug administration
    • Topical
    • Products
    • Fda
    • Ingredient
    • Meat
    • Papain
    • Active
    • Drug
    • Food
    • May
    • Latex
    • Known

Connections between topic areas Semantic bridges

For Papain, one of the stronger structural bridges in this analysis connects Papain with Function. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Papain — Function · splits 70 ⟂ 15
Papain — Uses · splits 71 ⟂ 14
Papain — Immunoglobulins · splits 73 ⟂ 12
Papain — Human cysteine proteases from papain family · splits 73 ⟂ 12
Papain — Papain family · splits 76 ⟂ 9
Papain — Overview · splits 78 ⟂ 7
Papain — Structure · splits 78 ⟂ 7
Papain — US restriction on marketing · splits 79 ⟂ 6

Map overview Semantic statistics

Papain

Nodes85
Edges84
Triples59
Avg. degree1.98
Density0.023529
Components1

Source & methodology

TTTA analyzes the structure around Papain to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Applications & Products, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Papain · EN edition · Analysis: TopicsToTalkAbout

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