Catalyst

Reference▾

CompoundsSubstances with curated findings
OutcomesMeasured endpoints
ProteinsTransporters and enzymes
InteractionsPairs that share biology

The body Explore Shop

Search the graph

Search ?

The body Explore Shop Compounds Outcomes Proteins Interactions

Loading the page.

Catalyst

The evidence graph for human biochemistry. Every edge carries its source, its study design, and a grade computed from both.

The graph

Compounds
Outcomes
Proteins
The body
Interactions
Explore
Search

How it works

Mission
Method
How to read the evidence
Sources and licences
Shop

Build on it

For agents
Query the graph
Bulk export

A reference for what the literature reports. Not medical advice.

Pair

L-arginine and L-citrulline

L-arginine L-citrulline

Documented interaction

No source reports an interaction between L-arginine and L-citrulline. This graph holds no documented interaction records yet, so this section is empty for every pair.

Shared biology

Inferred

Derived from Rhea, Reactome, UniProt, ChEBI and Gene Ontology. These are established reactions, but no source reports the connection being drawn from them, and nothing here carries a grade.

A shared enzyme admits competition or induction. Direction, dose dependence and clinical relevance are not derivable from it.

3 shared proteins.

NOS3 ProteinL-arginine ×26 · L-citrulline ×26Hypothesis
NOS2 ProteinL-arginine ×18 · L-citrulline ×18Hypothesis
NOS1 ProteinL-arginine ×9 · L-citrulline ×9Hypothesis

L-arginine and L-citrulline — Catalyst