Protein: Ubiquitin conjugation factor E4 B (Homo sapiens)
UniProt: O95155
EC number: 2.3.2.27
Mutation: L1263K
Experiment dataset: Domainome FITNESS
Domainome fitness: 0.0746474818249333
Reference: Site-saturation mutagenesis of 500 human protein domains. — Beltran Antoni (Nature;637;885-894, 2025)