1p09

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Image:1p09.gif


PDB ID 1p09

Drag the structure with the mouse to rotate
, resolution 2.20Å
Ligands:
Activity: Alpha-lytic endopeptidase, with EC number 3.4.21.12
Coordinates: save as pdb, mmCIF, xml



STRUCTURAL PLASTICITY AS A DETERMINANT OF ENZYME SPECIFICITY. CREATING BROADLY SPECIFIC PROTEASES


Overview

The substrate specificity of alpha-lytic protease has been changed dramatically, with a concomitant increase in activity, by replacing an active-site Met with Ala. The substrate specificity of both this mutant and another similar mutant are extraordinarily broad. X-ray crystallographic analysis shows that structural plasticity, a combination of alternate side-chain conformations and binding-site flexibility, allows both large and small substrates to be well accommodated.

About this Structure

1P09 is a Single protein structure of sequence from Lysobacter enzymogenes. Full crystallographic information is available from OCA.

Reference

Structural plasticity broadens the specificity of an engineered protease., Bone R, Silen JL, Agard DA, Nature. 1989 May 18;339(6221):191-5. PMID:2716847

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