<?xml version='1.0' encoding='utf-8'?>
<activity><action_type/><activity_comment/><activity_id>327148</activity_id><activity_properties/><assay_chembl_id>CHEMBL664532</assay_chembl_id><assay_description>Inhibitory activity against dipeptidylpeptidase IV.</assay_description><assay_type>B</assay_type><assay_variant_accession/><assay_variant_mutation/><bao_endpoint>BAO_0000190</bao_endpoint><bao_format>BAO_0000357</bao_format><bao_label>single protein format</bao_label><canonical_smiles>N#Cc1ccc(NCCNCC(=O)N2CCC[C@H]2C#N)nc1</canonical_smiles><data_validity_comment/><data_validity_description/><document_chembl_id>CHEMBL1146708</document_chembl_id><document_journal>Bioorg Med Chem Lett</document_journal><document_year>2004</document_year><ligand_efficiency><bei>25.67</bei><le>0.48</le><lle>7.19</lle><sei>7.30</sei></ligand_efficiency><modality/><molecule_chembl_id>CHEMBL77538</molecule_chembl_id><molecule_pref_name/><parent_molecule_chembl_id>CHEMBL77538</parent_molecule_chembl_id><pchembl_value>7.66</pchembl_value><potential_duplicate>1</potential_duplicate><qudt_units>http://www.openphacts.org/units/Nanomolar</qudt_units><record_id>273681</record_id><relation>=</relation><src_id>1</src_id><standard_flag>1</standard_flag><standard_relation>=</standard_relation><standard_text_value/><standard_type>IC50</standard_type><standard_units>nM</standard_units><standard_upper_value/><standard_value>22.0</standard_value><target_chembl_id>CHEMBL284</target_chembl_id><target_organism>Homo sapiens</target_organism><target_pref_name>Dipeptidyl peptidase 4</target_pref_name><target_tax_id>9606</target_tax_id><text_value/><toid/><type>IC50</type><units>nM</units><uo_units>UO_0000065</uo_units><upper_value/><value>22.0</value></activity>