The best way to draw your chemically modified peptides and nucleotides

Designed for usability from the start.

Automatic layout and zooming keeps things looking beautiful as you make changes.

Context sensitive user interface presents only those changes that are relevant to the current selection to reduce clutter.

Minimizes frustration through an interface designed to avoid mis-clicks and common mistakes.

Full support for the HELM Specification v1.1

Supports multiple chains, connections, complimentary strands and annotations.

Quickly find the right HELM monomers from your corporate monomer database.

Editing of monomer chemistry is one button click away.

Uses the tried-and-tested Pipette Chemistry Sketcher for chemistry editing.

No need to learn a new user interface - chemistry editing is performed within the same user interface.

Monomer chemistry is serialized to HELM representation as SMILES in accordance with the HELM specification.

Allows HELM monomer registration and approval to be integrated into biological registration workflows.

Fully web based.

No browser plugins or addins required.

Easy to integrate with your existing web or desktop applications.

Single application uses responsive design to adapt to devices.

Works seamlessly on touch devices.