>4bzp_A mol:protein length:174 BIFUNCTIONAL ENZYME CYSN/CYSC
SPPRGKTVWFTGLSGSGKSSVAMLVERKLLEKGISAYVLDGDNLRHGLNADLGFSMADRAENLRRLSHVATLLADCGHLVLVPAISPLAEHRALARKVHADAGIDFFEVFCDTPLQDCERRDPKGLYAKARAGEITHFTGIDSPYQRPKNPDLRLTPDRSIDEQAQEVIDLLES