Figure 4
From: Zymophore identification enables the discovery of novel phenylalanine ammonia lyase enzymes

Variation of specific activity (a), pH tolerance (b) and stability at 37 °C (c) among four new ammonia lyases from Streptomyces rimosus, Brevibacillus laterosporus, Planctomyces brasiliensis and Dictyostelium discoideum which could be isolated for investigation.