Structure of PDB 4az3 Chain B

Receptor sequence
>4az3B (length=155) Species: 9606 (Homo sapiens) [Search protein sequence]
MDPPCTNTTAASTYLNNPYVRKALNIPEQLPQWDMCNFLVNLQYRRLYRS
MNSQYLKLLSSQKYQILLYNGDVDMACNFMGDEWFVDSLNQKMEVQRRPW
LVKYGDSGEQIAGFVKEFSHIAFLTIKGAGHMVPTDKPLAAFTMFSRFLN
KQPYE
3D structure
PDB4az3 Novel Beta-Amino Acid Derivatives as Inhibitors of Cathepsin A.
ChainB
Resolution2.04 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D372 H429
Catalytic site (residue number reindexed from 1) D74 H131
Enzyme Commision number 3.4.16.5: carboxypeptidase C.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 S35 B P301 C334 N335 N339 R344 H429 P3 C36 N37 N41 R46 H131 PDBbind-CN: -logKd/Ki=8.30,IC50=0.005uM
BindingDB: IC50=5nM
Gene Ontology
Molecular Function
GO:0004185 serine-type carboxypeptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function

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Biological Process
External links
PDB RCSB:4az3, PDBe:4az3, PDBj:4az3
PDBsum4az3
PubMed22861813
UniProtP10619|PPGB_HUMAN Lysosomal protective protein (Gene Name=CTSA)

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