Detail Information for IndEnz0002003938
IED ID IndEnz0002003938
Enzyme Type ID protease003938
Protein Name D-aminopeptidase
EC 3.4.11.19
Gene Name dap
Organism Brucella anthropi (Ochrobactrum anthropi)
Taxonomic Lineage cellular organisms Bacteria Proteobacteria Alphaproteobacteria Hyphomicrobiales Brucellaceae Brucella/Ochrobactrum group Brucella Brucella anthropi (Ochrobactrum anthropi)
Enzyme Sequence MSKFDTSALEAFVRHIPQNYKGPGGVVAVVKDGEVVLQHAWGFADLRTRTPMTLDTRMPICSVSKQFTCAVLLDAVGEPELLDDALEAYLDKFEDERPAVRDLCNNQSGLRDYWALSVLCGADPEGVFLPAQAQSLLRRLKTTHFEPGSHYSYCNGNFRILADLIEAHTGRTLVDILSERIFAPAGMKRAELISDTALFDECTGYEGDTVRGFLPATNRIQWMGDAGICASLNDMIAWEQFIDATRDDESGLYRRLSGPQTFKDGVAAPYGFGLNLHETGGKRLTGHGGALRGWRCQRWHCADERLSTIAMFNFEGGASEVAFKLMNIALGVSSSEVSRVEADSAWFGSWLDDETGLVLSLEDAGHGRMKARFGTSPEMMDVVSANEARSAVTTIRRDGETIELVRASENLRLSMKRVKGEAKHDIIGRYHSDELDADLLLVSEGGAIYGAFEGFLGKSDMYPLYSVGSDVWLLPVQRSMDAPSPGEWKLVFRRDDKGEITGLSVGCWLARGVEYRRVQP
Enzyme Length 520
Uniprot Accession Number Q9ZBA9
Absorption BIOPHYSICOCHEMICAL PROPERTIES: Absorption: Abs(max)=281 nm {ECO:0000269|PubMed:2760064};
Active Site ACT_SITE 62; /note=Nucleophile; /evidence=ECO:0000305; ACT_SITE 65; /note=Proton donor/acceptor; /evidence=ECO:0000305
Activity Regulation ACTIVITY REGULATION: Inhibited by beta-lactam compounds such as 6-aminopenicillic acid, 7-aminocephalosporanic acid, benzylpenicillin and ampicillin. Inhibited by p-chloromercuribenzoate. {ECO:0000269|PubMed:1540587}.
Binding Site BINDING 481; /note=Substrate
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=Release of an N-terminal D-amino acid from a peptide, Xaa-|-Yaa-, in which Xaa is preferably D-Ala, D-Ser or D-Thr. D-amino acid amides and methyl esters also are hydrolyzed, as is glycine amide.; EC=3.4.11.19; Evidence={ECO:0000269|PubMed:16131658, ECO:0000269|PubMed:2760064};
DNA Binding
EC Number 3.4.11.19
Enzyme Function FUNCTION: Hydrolyzes N-terminal residues in D-amino acid-containing peptides.
Temperature Dependency BIOPHYSICOCHEMICAL PROPERTIES: Temperature dependence: Optimum temperature is 45 degrees Celsius. {ECO:0000269|PubMed:2760064};
PH Dependency BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 8.5. {ECO:0000269|PubMed:2760064};
Pathway
nucleotide Binding
Features Active site (2); Beta strand (29); Binding site (1); Chain (1); Helix (19); Initiator methionine (1); Mutagenesis (5); Region (1); Turn (6)
Keywords 3D-structure;Aminopeptidase;Direct protein sequencing;Hydrolase;Protease
Interact With
Induction
Subcellular Location
Modified Residue
Post Translational Modification
Signal Peptide
Structure 3D X-ray crystallography (1)
Cross Reference PDB 1EI5;
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 57,392
Kinetics BIOPHYSICOCHEMICAL PROPERTIES: Kinetic parameters: KM=0.65 mM for D-alanine amide (at 30 degrees Celsius) {ECO:0000269|PubMed:2760064};
Metal Binding
Rhea ID
Cross Reference Brenda