>1S4V_1|Chains A, B|cysteine endopeptidase|Ricinus communis (3988) TVPASVDWRKKGAVTSVKDQGQCGSCWAFSTIVAVEGINQIKTNKLVSLSEQELVDCDTDQNQGCNGGLMDYAFEFIKQRGGITTEANYPYEAYDGTCDVSKENAPAVSIDGHENVPENDENALLKAVANQPVSVAIDAGGSDFQFYSEGVFTGSCGTELDHGVAIVGYGTTIDGTKYWTVKNSWGPEWGEKGYIRMERGISDKEGLCGIAMEASYPIKKSSNNPSGIK >1S4V_2|Chains C, D|DVA-LEU-LYS-0QE peptide|Ricinus communis (3988) VLKX