EvolMPNN: Predicting Mutational Effect on Homologous Proteins by Evolution Encoding
CoRR(2024)
摘要
Predicting protein properties is paramount for biological and medical
advancements. Current protein engineering mutates on a typical protein, called
the wild-type, to construct a family of homologous proteins and study their
properties. Yet, existing methods easily neglect subtle mutations, failing to
capture the effect on the protein properties. To this end, we propose EvolMPNN,
Evolution-aware Message Passing Neural Network, to learn evolution-aware
protein embeddings. EvolMPNN samples sets of anchor proteins, computes
evolutionary information by means of residues and employs a differentiable
evolution-aware aggregation scheme over these sampled anchors. This way
EvolMPNNcan capture the mutation effect on proteins with respect to the anchor
proteins. Afterwards, the aggregated evolution-aware embeddings are integrated
with sequence embeddings to generate final comprehensive protein embeddings.
Our model shows up to 6.4
inference speedup in comparison with large pre-trained models.
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