Radical SAM Enzymes · A [4Fe-4S] Cluster Cracks S-Adenosylmethionine
unseel.com · 5′-dAdo• · site-differentiated cluster · >700k members
cluster [4Fe-4S]¹⁺
bond S–C5′ intact
radical
step
Fe (unique iron gold)
bridging sulfide S²⁻
SAM sulfonium / adenosyl
5′-dAdo• radical
Unseel.com · Radical SAM Enzymes Unseel.com · Radical SAM Enzymes — Concepts