Detail Information for IndEnz0005000343
IED ID IndEnz0005000343
Enzyme Type ID lipase000343
Protein Name Lipase
EC 3.1.1.3
RDL
Triacylglycerol lipase
ROL
Gene Name
Organism Rhizopus oryzae (Mucormycosis agent) (Rhizopus arrhizus var. delemar)
Taxonomic Lineage cellular organisms Eukaryota Opisthokonta Fungi Fungi incertae sedis Mucoromycota Mucoromycotina Mucoromycetes Mucorales (pin molds) Mucorineae Rhizopodaceae Rhizopus Rhizopus oryzae (Mucormycosis agent) (Rhizopus arrhizus var. delemar)
Enzyme Sequence MVSFISISQGVSLCLLVSSMMLGSSAVPVSGKSGSSNTAVSASDNAALPPLISSRCAPPSNKGSKSDLQAEPYNMQKNTEWYESHGGNLTSIGKRDDNLVGGMTLDLPSDAPPISLSSSTNSASDGGKVVAATTAQIQEFTKYAGIAATAYCRSVVPGNKWDCVQCQKWVPDGKIITTFTSLLSDTNGYVLRSDKQKTIYLVFRGTNSFRSAITDIVFNFSDYKPVKGAKVHAGFLSSYEQVVNDYFPVVQEQLTAHPTYKVIVTGHSLGGAQALLAGMDLYQREPRLSPKNLSIFTVGGPRVGNPTFAYYVESTGIPFQRTVHKRDIVPHVPPQSFGFLHPGVESWIKSGTSNVQICTSEIETKDCSNSIVPFTSILDHLSYFDINEGSCL
Enzyme Length 392
Uniprot Accession Number P61872
Absorption
Active Site ACT_SITE 268; /note=Nucleophile; /evidence=ECO:0000305|PubMed:8014587; ACT_SITE 327; /note=Charge relay system; /evidence=ECO:0000269|PubMed:8014587; ACT_SITE 380; /note=Charge relay system; /evidence=ECO:0000305|PubMed:8014587
Activity Regulation ACTIVITY REGULATION: Lipase activity is maximal at a lipid-water interface (interfacial activation), probably by an induced conformational change that results in an increased accessibility of the active site to the substrate. {ECO:0000269|PubMed:11506890}.
Binding Site
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=a triacylglycerol + H2O = a diacylglycerol + a fatty acid + H(+); Xref=Rhea:RHEA:12044, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:17855, ChEBI:CHEBI:18035, ChEBI:CHEBI:28868; EC=3.1.1.3; Evidence={ECO:0000269|PubMed:8862551, ECO:0000269|PubMed:9765593};
DNA Binding
EC Number 3.1.1.3
Enzyme Function FUNCTION: Hydrolyzes ester bonds of triglycerides as well as of their derived partial glycerides with a strong 1,3-positional specificity. {ECO:0000269|PubMed:11506890, ECO:0000269|PubMed:8329142}.
Temperature Dependency BIOPHYSICOCHEMICAL PROPERTIES: Temperature dependence: Stable up to 30 degrees Celsius. {ECO:0000269|PubMed:9765593};
PH Dependency BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 8.5. {ECO:0000269|PubMed:9765593};
Pathway
nucleotide Binding
Features Active site (3); Chain (1); Disulfide bond (3); Metal binding (1); Mutagenesis (10); Propeptide (1); Region (1); Sequence conflict (7); Signal peptide (1)
Keywords 3D-structure;Calcium;Cleavage on pair of basic residues;Direct protein sequencing;Disulfide bond;Hydrolase;Lipid degradation;Lipid metabolism;Metal-binding;Secreted;Signal
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Secreted, extracellular space {ECO:0000269|PubMed:8329142}.
Modified Residue
Post Translational Modification
Signal Peptide SIGNAL 1..26; /evidence=ECO:0000255
Structure 3D X-ray crystallography (1)
Cross Reference PDB 1TIC;
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 42,139
Kinetics BIOPHYSICOCHEMICAL PROPERTIES: Kinetic parameters: KM=4.4 mM for triolein {ECO:0000269|PubMed:8862551};
Metal Binding METAL 379; /note=Calcium; /evidence=ECO:0000250
Rhea ID RHEA:12044
Cross Reference Brenda 3.1.1.3;