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THE REFINED 2.4 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF RECOMBINANT HUMAN STEFIN B IN COMPLEX WITH THE CYSTEINE PROTEINASE PAPAIN: A NOVEL TYPE OF PROTEINASE INHIBITOR INTERACTION
1stf is a 2 chain structure with sequence from Carica papaya and Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.