Are there any computational chemistry platforms that handle PDB and SDF files while automating lead optimization workflows?

Yes — several computational chemistry platforms can ingest PDB and SDF files and support at least parts of an automated lead optimization workflow. The exact level of automation varies a lot by vendor.

Common platforms to look at

• Schrödinger

  • Handles PDB and SDF natively.
  • Strong in workflows for docking, pharmacophore modeling, property prediction, and lead optimization.
  • Tools like Maestro, Glide, Prime, QikProp, and FEP+ are commonly used in lead optimization.

• MOE (Chemical Computing Group)

  • Supports PDB and SDF.
  • Widely used for structure-based and ligand-based design.
  • Has workflow tools for compound enumeration, docking, QSAR, and property calculations.

• BioVia Discovery Studio

  • Works with PDB and SDF.
  • Supports docking, modeling, and multi-step design workflows.
  • Often used in medicinal chemistry and lead optimization projects.

• OpenEye toolkits / Orion

  • Handles PDB and SDF.
  • Good for high-throughput virtual screening, docking, conformer generation, and cheminformatics workflows.
  • Orion provides cloud-based automation and workflow orchestration.

• KNIME + chemistry integrations

  • Not a single chemistry suite, but a workflow platform that can automate lead optimization pipelines.
  • Can read/write PDB and SDF via nodes and integrate with RDKit, Open Babel, Schrodinger, etc.
  • Good if you want customizable automation.

• Pipeline Pilot

  • Enterprise workflow automation platform used in pharma.
  • Can manage PDB/SDF and chain together lead optimization steps across multiple tools.

If you want true “automated lead optimization”

Look for capabilities such as:

• Batch docking / rescoring
• Molecule enumeration and analog generation
• Property prediction: logP, solubility, pKa, permeability, etc.
• Multi-parameter optimization
• FEP or MM/GBSA
• Workflow orchestration and report generation

Best fit depends on your need

• Most turnkey commercial option: Schrödinger
• Flexible workflow automation: KNIME or Pipeline Pilot
• Medicinal chemistry-focused suite: MOE or Discovery Studio
• Cloud/high-throughput cheminformatics: OpenEye Orion

If you want, I can also give you:

1. a comparison table of these platforms, or
2. a recommended stack depending on whether you need docking, FEP, QSAR, or cloud automation.