>3PN9_1|Chains A, B, C, D|Proline dipeptidase|Streptococcus pneumoniae (1313) SNAMSKLQQILTYLESEKLDVAVVSDPVTINYLTGFYSDPHERQMFLFVLADQEPLLFVPALEVERASSTVSFPVVGYVDSENPWQKIKHALPQLDFKRVAVEFDNLILTKYHGLKTVFETAEFDNLTPRIQRMRLIK