3ptb
From Proteopedia
THE GEOMETRY OF THE REACTIVE SITE AND OF THE PEPTIDE GROUPS IN TRYPSIN, TRYPSINOGEN AND ITS COMPLEXES WITH INHIBITORS
About this Structure
3ptb is a 1 chain structure of Trypsin with sequence from Bos taurus. This structure supersedes the now removed PDB entries and 1ptb. Full crystallographic information is available from OCA.