protparam

Calculate protein biophysical parameters and purification recommendations from amino acid sequences.

27|4|Updated Feb 8, 2026
One-click install
npx skills add https://github.com/farnunglab/benchaid --skill protparam
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: protparam
Source: https://github.com/farnunglab/benchaid/tree/main/skills/protparam
Command: npx skills add https://github.com/farnunglab/benchaid --skill protparam

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Calculate protein biophysical parameters and generate purification recommendations.

Core Features & Use Cases

  • Compute basic properties: sequence length, molecular weight, and theoretical pI.
  • Detect common tags and potential cleavage sites to guide downstream processing.
  • Provide purification recommendations based on calculated properties and identified tags.

Quick Start

Provide a protein sequence to obtain biophysical parameters and purification recommendations.

Frequently Asked Questions about protparam

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

FAQPage Schema
How do I calculate protein molecular weight and isoelectric point from an amino acid sequence?

You can calculate molecular weight and isoelectric point by providing an amino acid sequence to the script, which computes these biophysical parameters and outputs structured results including JSON format.

What is the best way to plan a purification strategy for expressed proteins?

Planning a purification strategy is done by analyzing calculated biophysical parameters and detecting common tags to generate specific purification recommendations for the expressed protein.

How do I detect affinity tags and protease cleavage sites in a protein sequence?

Detecting affinity tags and protease cleavage sites is achieved by inputting the amino acid sequence into the script, which identifies these features to guide downstream processing.

Can I calculate extinction coefficients for my protein sequence using a command line script?

Yes, you can calculate extinction coefficients via CLI usage by passing the amino acid sequence to the script, which outputs the theoretical extinction coefficient along with other properties.

Does the tool output structured JSON results for calculated protein parameters?

Yes, the tool outputs structured results including JSON when requested, allowing you to easily parse the computed molecular weight, pI, and detected tags programmatically.

What are the limitations of predicting protein purification strategies from sequence alone?

Predicting purification strategies from sequence alone is limited to theoretical biophysical calculations and tag detection, meaning it cannot account for actual folding, solubility, or expression conditions.