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Deep Mutational Scanning · Ras–Raf interface

Fitness Landscape ExplorerRaf

Click amino acid letters to explore how each variant performs at the Ras-binding interface — from sequence statistics to atomic side-chain geometry.

Interactive Fitness Landscape

Click amino acid chips, heatmap cells, or logo letters to filter. Distributions, structure, and tables update in lockstep.

Position Filters

Marginal Fitness Heatmap

Fitness Distributions

Ras–Raf Interface · 3D Structure

PDB 4G0N. Selecting a non-WT amino acid replaces the side chain with a Dunbrack rotamer so you can see steric and chemical changes at the binding site.

Atomic View

PDB 4G0N
Fitness at Interface
Raf RBD (Chain B, residues 72–96) at the Ras binding interface.
Low fitness High fitness
Ras Contact Residues

Sequence Composition

How variants are built and how biochemistry shapes fitness.

Sequence Logo · per Position

Mean Fitness by AA Property

Variant vs Wildtype · Fitness Δ

Pairwise Epistasis

Mean fitness for each AA combination at two positions, conditioned on current filters

Sequence Explorer

Browse, search, and sort all sequences. Filters from above are applied.

Rank Sequence C81 K84 A85 V88 Fitness Tags

Summary Statistics

Overview of the fitness landscape distribution and key metrics.

Fitness Distribution

Top 20 Sequences

Bottom 20 Sequences