| IED ID | IndEnz0010001328 |
| Enzyme Type ID | esterase001328 |
| Protein Name |
Carboxylesterase 3 EC 3.1.1.1 Liver carboxylesterase 31 homolog |
| Gene Name | CES3 UNQ869/PRO1887 |
| Organism | Homo sapiens (Human) |
| Taxonomic Lineage | cellular organisms Eukaryota Opisthokonta Metazoa Eumetazoa Bilateria Deuterostomia Chordata Craniata Vertebrata Gnathostomata (jawed vertebrates) Teleostomi Euteleostomi Sarcopterygii Dipnotetrapodomorpha Tetrapoda Amniota Mammalia Theria Eutheria Boreoeutheria Euarchontoglires Primates Haplorrhini Simiiformes Catarrhini Hominoidea (apes) Hominidae (great apes) Homininae Homo Homo sapiens (Human) |
| Enzyme Sequence | MERAVRVESGVLVGVVCLLLACPATATGPEVAQPEVDTTLGRVRGRQVGVKGTDRLVNVFLGIPFAQPPLGPDRFSAPHPAQPWEGVRDASTAPPMCLQDVESMNSSRFVLNGKQQIFSVSEDCLVLNVYSPAEVPAGSGRPVMVWVHGGALITGAATSYDGSALAAYGDVVVVTVQYRLGVLGFFSTGDEHAPGNQGFLDVVAALRWVQENIAPFGGDLNCVTVFGGSAGGSIISGLVLSPVAAGLFHRAITQSGVITTPGIIDSHPWPLAQKIANTLACSSSSPAEMVQCLQQKEGEELVLSKKLKNTIYPLTVDGTVFPKSPKELLKEKPFHSVPFLMGVNNHEFSWLIPRGWGLLDTMEQMSREDMLAISTPVLTSLDVPPEMMPTVIDEYLGSNSDAQAKCQAFQEFMGDVFINVPTVSFSRYLRDSGSPVFFYEFQHRPSSFAKIKPAWVKADHGAEGAFVFGGPFLMDESSRLAFPEATEEEKQLSLTMMAQWTHFARTGDPNSKALPPWPQFNQAEQYLEINPVPRAGQKFREAWMQFWSETLPSKIQQWHQKQKNRKAQEDL |
| Enzyme Length | 571 |
| Uniprot Accession Number | Q6UWW8 |
| Absorption | |
| Active Site | ACT_SITE 229; /note=Acyl-ester intermediate; /evidence=ECO:0000255|PROSITE-ProRule:PRU10039; ACT_SITE 347; /note=Charge relay system; /evidence=ECO:0000250; ACT_SITE 460; /note=Charge relay system; /evidence=ECO:0000250 |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=a carboxylic ester + H2O = a carboxylate + an alcohol + H(+); Xref=Rhea:RHEA:21164, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:29067, ChEBI:CHEBI:30879, ChEBI:CHEBI:33308; EC=3.1.1.1; Evidence={ECO:0000255|PROSITE-ProRule:PRU10039}; |
| DNA Binding | |
| EC Number | 3.1.1.1 |
| Enzyme Function | FUNCTION: Involved in the detoxification of xenobiotics and in the activation of ester and amide prodrugs. Shows low catalytic efficiency for hydrolysis of CPT-11 (7-ethyl-10-[4-(1-piperidino)-1-piperidino]-carbonyloxycamptothecin), a prodrug for camptothecin used in cancer therapeutics. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (3); Alternative sequence (1); Chain (1); Disulfide bond (2); Glycosylation (1); Motif (1); Natural variant (8); Sequence conflict (2); Signal peptide (1) |
| Keywords | Alternative splicing;Disulfide bond;Endoplasmic reticulum;Glycoprotein;Hydrolase;Reference proteome;Serine esterase;Signal |
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Endoplasmic reticulum lumen {ECO:0000250}. |
| Modified Residue | |
| Post Translational Modification | PTM: N-glycosylated. {ECO:0000269|PubMed:15100172, ECO:0000269|PubMed:19159218}. |
| Signal Peptide | SIGNAL 1..26; /evidence=ECO:0000255 |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | 20422440; 20711500; 22700792; |
| Motif | MOTIF 568..571; /note=Prevents secretion from ER; /evidence=ECO:0000255 |
| Gene Encoded By | |
| Mass | 62,282 |
| Kinetics | BIOPHYSICOCHEMICAL PROPERTIES: Kinetic parameters: KM=137 uM for 7-ethyl-10-[4-(1-piperidino)-1-piperidino]-carbonyloxycamptothecin {ECO:0000269|PubMed:15100172}; KM=460 uM for 7-ethyl-10-[4-(1-piperidino)-1-amino]-carbonyloxycamptothecin {ECO:0000269|PubMed:15100172}; |
| Metal Binding | |
| Rhea ID | RHEA:21164 |
| Cross Reference Brenda |