1apu

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Crystallographic analysis of a pepstatin analogue binding to the aspartyl proteinase penicillopepsin at 1.8 angstroms resolution

Structural highlights

1apu is a 2 chain structure with sequence from Penicillium janthinellum. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.8Å
Ligands:32L, IVA, MAN
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

PEPA1_PENJA Secreted aspartic endopeptidase that allows assimilation of proteinaceous substrates. The scissile peptide bond is attacked by a nucleophilic water molecule activated by two aspartic residues in the active site. Shows a broad primary substrate specificity. Favors hydrophobic residues at the P1 and P1' positions, but can also activate trypsinogen and hydrolyze the B chain of insulin between positions 'Gly-20' and 'Glu-21'.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. Mains G, Takahashi M, Sodek J, Hofmann T. The specificity of penicillopepsin. Can J Biochem. 1971 Oct;49(10):1134-49. PMID:4946839 doi:10.1139/o71-164

Contents


PDB ID 1apu

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