Protein: Homeobox expressed in ES cells 1 (Homo sapiens)
UniProt: Q9UBX0
Mutation: R138L
Experiment dataset: Domainome FITNESS
Domainome fitness: -0.222022938626252
Reference: Site-saturation mutagenesis of 500 human protein domains. — Beltran Antoni (Nature;637;885-894, 2025)