protein-qc

Filter and rank protein designs using pLDDT, ipTM, PAE, and sequence liability thresholds.

11|Updated Mar 4, 2026
One-click install
npx skills add https://github.com/junior1p/ProteinClaw --skill protein-qc-junior1p
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: protein-qc
Source: https://github.com/junior1p/ProteinClaw/tree/main/skills/protein-qc
Command: npx skills add https://github.com/junior1p/ProteinClaw --skill protein-qc-junior1p

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Protein design outputs often contain many candidates with mixed structural confidence, binding potential, and expression risk; this Skill provides standardized metrics, thresholds, and guidance to screen, filter, and rank designs so teams can focus experimental validation on the most promising candidates.

Core Features & Use Cases

  • Threshold-based filtering for structural confidence (pLDDT, pTM), interface quality (ipTM, PAE_interaction), and expression metrics (instability, GRAVY).
  • Composite scoring and ranking that combines pLDDT, ipTM, PAE, shape complementarity, and language-model plausibility to prioritize designs.
  • Design-level checks and heuristics for sequence liabilities (odd cysteines, deamidation motifs, polybasic clusters) and campaign health diagnostics with failure-recovery recommendations.
  • Use Case: Run a multi-stage filtering pipeline to reduce thousands of in silico binders to a top candidate set that meets structural, binding, and expression thresholds for experimental testing.

Quick Start

Use the protein-qc skill to filter a design CSV by pLDDT > 0.85, ipTM > 0.5, even cysteine counts, and compute a composite score to select the top candidates.

Frequently Asked Questions about protein-qc

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I filter protein designs by pLDDT and ipTM thresholds?

Filter protein designs by applying threshold-based filters for structural confidence metrics like pLDDT > 0.85 and interface quality metrics like ipTM > 0.5 to reduce candidates to a high-quality set.

What is composite scoring for protein design ranking?

Composite scoring for protein design ranking combines pLDDT, ipTM, PAE, shape complementarity, and language-model plausibility into a single score to prioritize the most promising candidates for experimental testing.

How do I check protein sequences for liabilities like deamidation motifs?

Check protein sequences for liabilities by applying design-level heuristics that detect odd cysteines, deamidation motifs, and polybasic clusters to flag candidates with expression or stability risks.

Can I run a multi-stage filtering pipeline for thousands of in silico binders?

You can run a sequential multi-stage filtering pipeline to reduce thousands of in silico binders to a top candidate set that meets structural, binding, and expression thresholds for experimental testing.

What metrics are used for protein design quality control?

Protein design quality control uses metrics including pLDDT, pTM, ipTM, PAE, sequence liabilities, and PyRosetta interface metrics to assess structural confidence, binding potential, and expression risk.

Does protein QC provide failure-recovery recommendations for campaign health?

Protein QC provides campaign health diagnostics and basic failure-recovery recommendations to help teams adjust their design strategies when filtering pipelines yield insufficient passing candidates.