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 Deleted entry 5.2.1.4 Maleylpyruvate isomerase 5.2.1.5 Linoleate isomerase 5.2.1.6 Furylfuramide isomerase 5.2.1.7 Transferred entry: 3.1.1.64 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 5.2.1.14 Beta-carotene isomerase