Crystallographic Studies of Lipase Conformational Lability from Two Fungi

X-ray crystallographic studies of lipases from the fungi Humicola lanuginosa and Rhizopus delemar challenge the two-state model of interfacial activation. The research, authored by Urszula Derewenda of the University of Alberta, reports disordered 'lid' conformations in crystals under varying conditions. These findings question the simplicity of the 'enzyme theory' for how lipases achieve maximum catalytic activity.

Use Cases

• Modeling protein conformational changes based on crystallographic disorder observations.
• Studying enzyme activation mechanisms based on the described 'lid' displacement concept.
• Comparing protein structures from different fungal species mentioned in the description.

Strengths

• Data is derived from X-ray crystallographic studies, a high-resolution structural biology technique.
• Findings are directly compared to prior published studies on lipase mechanisms.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

University of Alberta

Collection Method

X-ray crystallographic studies of enzyme crystals.