<?xml version='1.0' encoding='utf-8'?>
<activity><action_type/><activity_comment/><activity_id>739044</activity_id><activity_properties/><assay_chembl_id>CHEMBL664535</assay_chembl_id><assay_description>Inhibitory activity of compound against Dipeptidylpeptidase IV (DPP IV)</assay_description><assay_type>B</assay_type><assay_variant_accession/><assay_variant_mutation/><bao_endpoint>BAO_0000192</bao_endpoint><bao_format>BAO_0000357</bao_format><bao_label>single protein format</bao_label><canonical_smiles>CC(C)[C@H](N)C(=O)N1CCC[C@H]1B(O)O</canonical_smiles><data_validity_comment>Potential transcription error</data_validity_comment><data_validity_description>Values appear to be an order of magnitude different from previously reported, so units may be incorrect</data_validity_description><document_chembl_id>CHEMBL1144883</document_chembl_id><document_journal>J Med Chem</document_journal><document_year>2003</document_year><ligand_efficiency/><modality/><molecule_chembl_id>CHEMBL67279</molecule_chembl_id><molecule_pref_name>TALABOSTAT</molecule_pref_name><parent_molecule_chembl_id>CHEMBL67279</parent_molecule_chembl_id><pchembl_value/><potential_duplicate>1</potential_duplicate><qudt_units>http://www.openphacts.org/units/Nanomolar</qudt_units><record_id>286061</record_id><relation>=</relation><src_id>1</src_id><standard_flag>1</standard_flag><standard_relation>=</standard_relation><standard_text_value/><standard_type>Ki</standard_type><standard_units>nM</standard_units><standard_upper_value/><standard_value>2000.0</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>Ki</type><units>uM</units><uo_units>UO_0000065</uo_units><upper_value/><value>2.0</value></activity>