Protein: SH3 and PX domain-containing protein 2B (Homo sapiens)
UniProt: A1X283
Mutation: E256S
Experiment dataset: Domainome FITNESS
Domainome fitness: 0.0309943698275429
Reference: Site-saturation mutagenesis of 500 human protein domains. — Beltran Antoni (Nature;637;885-894, 2025)