Use case

Methanol-free process constraints in Pichia

Design Pichia constructs under methanol-free induction constraints with alternative promoter elements and cited evidence.

The problem

Where it hurts.

Methanol induction (AOX1 promoter) is the Pichia standard, but industrial settings increasingly require methanol-free processes for safety and scale-up reasons. Alternative promoters (pGAP, pFLD1, pPET) have different expression characteristics, and the optimal construct design may differ — but most design tools default to AOX1 assumptions.

How Kairos helps

Dry-lab design, cited.

Kairos evaluates your construct design with awareness of the expression-construct context — including promoter/terminator element effects learned from data (pCS1, ERO1/SBH1). When you specify a methanol-free constraint, the ranked CDS panel and secretion strategy reflect the appropriate element context. Every element effect is traceable to its evidence source.

Honesty boundary: Kairos ranks dry-lab design quality. It does not predict expression level or titer. The output is a design recommendation grounded in directional evidence.

Promoter-context awareness

Element effects learned from data (pCS1, ERO1/SBH1) applied to your induction context.

Constraint-aware panels

Ranked CDS and leader designs that reflect pGAP and other methanol-free promoter contexts.

Cited induction evidence

Literature on methanol-free expression systems — retrieved with provenance, never invented.

Worked example

See it in action.

Secretion design worked example →

State your constraint. Get a ranked panel.

Minutes, not weeks. Every construct scored, every claim cited, every limit stated.