ProDFace

ProDFace analyzes protein–DNA complex structures to characterize binding interfaces and quantify physicochemical, geometric, and conservation features relevant to protein–DNA recognition and docking evaluation.

Key Features:

• Input requirements: Accepts protein–DNA complex structures in PDB format, including experimental structures, comparative models, molecular dynamics (MD) snapshots, and docked conformations.
• Binding region characterization: Characterizes the binding interface using amino-acid propensity, hydrogen-bond (HB) donor capacity, and sequence conservation for dissected core and rim subregions.
• Geometric analysis: Performs geometric assessment of the interface to describe spatial arrangements that support binding.
• Output parameters: Reports physicochemical and geometric parameters for the full interface, separate summaries for core and rim regions, and conservation profiles for protein interface residues.
• Water-mediated hydrogen bonds: Identifies and reports water-mediated hydrogen bonds between protein and DNA.
• Potential HB donor groups: Detects potential hydrogen-bond donor groups on the protein binding surface.
• Downloadable conservation data: Exports conserved interface residue lists as downloadable text files for downstream analysis.

Scientific Applications:

• Docking evaluation: Evaluates and validates protein–DNA docking solutions.
• Structure assessment: Assesses structures produced by molecular dynamics (MD) simulations or structure-prediction pipelines.
• Feature generation and benchmarking: Generates features and benchmarks methods for DNA binding-site prediction.

Methodology:

Analyzes PDB-format protein–DNA complexes to compute amino-acid propensity, hydrogen-bond donor capacity, sequence conservation for core and rim, geometric interface parameters, water-mediated hydrogen bonds, and potential HB donor groups.