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How to annotate molecular adaptors

Here we describe how to capture a molecular adaptor activity which is defined as the binding activity of a molecule that brings together two or more molecules through a selective, non-covalent, often stoichiometric interaction, permitting those molecules to function in a coordinated way.

Example 1: TYROBP acts as an adaptor between a receptor and a downstream effector

![A screenshot of a computer

Description automatically generated with medium confidence](data:image/png;base64...)

The molecular activity unit for molecular adaptor may include:

o MF: molecular adaptor activity (GO:0060090) or one of its children

o Has input the two (or more) molecules it brings together.

o BP: the BP it participates in

o CC: the place where the activity occurs.

The relation with the downstream activity used is “directly positively regulates”

Example 2: When an adaptor brings together an enzyme and its substrate

![A screenshot of a computer

Description automatically generated with medium confidence](data:image/png;base64...)

The molecular activity is the same as above (MF, inputs, BP, CC)

But in that case, the relation with the downstream activity used is “provides input for