>4bzq_A mol:protein length:173 BIFUNCTIONAL ENZYME CYSN/CYSC
PPRGKTVWFTGLSGSGKSSVAMLVERKLLEKGISAYVLDGDNLRHGLNADLGFSMADRAENLRRLSHVATLLADCGHLVLVPAISPLAEHRALARKVHADAGIDFFEVFCDTPLQDCERRDPKGLYAKARAGEITHFTGIDSPYQRPKNPDLRLTPDRSIDEQAQEVIDLLES