Protein: Zinc finger and BTB domain-containing protein 20 (Homo sapiens)
UniProt: Q9HC78
Mutation: C639L
Experiment dataset: Domainome FITNESS
Domainome fitness: -0.920681225835443
Reference: Site-saturation mutagenesis of 500 human protein domains. — Beltran Antoni (Nature;637;885-894, 2025)