CATH Classification

Domain Context

CATH Clusters

Superfamily Peptidase G1
Functional Family

Enzyme Information

3.4.23.19
Aspergillopepsin II.
based on mapping to UniProt P24665
Preferential cleavage in B chain of insulin: 3-Asn-|-Gln-4, 13-Gly-|-Ala- 14, and 26-Tyr-|-Thr-27.
-!- Isolated from Aspergillus niger var. macrosporus, distinct from aspergillopepsin I in specificity and insensitivity to pepstatin. -!- Belongs to peptidase family A4. -!- Formerly EC 3.4.23.6.

UniProtKB Entries (1)

P24665
PRTA_ASPNG
Aspergillus niger
Aspergillopepsin-2

PDB Structure

PDB 3TRS
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
The crystal structure of an intermediate dimer of aspergilloglutamic peptidase that mimics the enzyme-activation product complex produced upon autoproteolysis.
Sasaki, H., Kubota, K., Lee, W.C., Ohtsuka, J., Kojima, M., Iwata, S., Nakagawa, A., Takahashi, K., Tanokura, M.
J.Biochem.
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