>3pn9_A mol:protein length:138 Proline dipeptidaseSNAMSKLQQILTYLESEKLDVAVVSDPVTINYLTGFYSDPHERQMFLFVLADQEPLLFVPALEVERASSTVSFPVVGYVDSENPWQKIKHALPQLDFKRVAVEFDNLILTKYHGLKTVFETAEFDNLTPRIQRMRLIK