ECH1 Protein plays a crucial role in isomerization, converting 3-trans,5-cis-dienoyl-CoA to its isomeric form, 2-trans,4-trans-dienoyl-CoA. This enzymatic step is vital in metabolic pathways, ensuring the equilibrium of dienoyl-CoA species and contributing to overall metabolic flux. ECH1's activity is essential for maintaining structural rearrangement in Coenzyme A (CoA) -linked intermediates, emphasizing its significance in cellular processes. ECH1 Protein, Human (His) is the recombinant human-derived ECH1 protein, expressed by E. coli , with N-6*His labeled tag.