All UniProtKB/Swiss-Prot entries corresponding to class 5.2.1.-.
The following ENZYME entries belong to class 5.2.1.-:
5.2.1.1 Maleate isomerase. 5.2.1.2 Maleylacetoacetate isomerase. 5.2.1.3 Retinal isomerase. 5.2.1.4 Maleylpyruvate isomerase. 5.2.1.5 Linoleate isomerase. 5.2.1.6 Furylfuramide isomerase. 5.2.1.7 Retinol isomerase. 5.2.1.8 Peptidylprolyl isomerase. 5.2.1.9 Farnesol 2-isomerase. 5.2.1.10 2-chloro-4-carboxymethylenebut-2-en-1,4-olide isomerase. 5.2.1.11 Deleted entry. 5.2.1.12 Zeta-carotene isomerase. 5.2.1.13 Prolycopene isomerase.