# Introduction

> Learn how ProteinMPNN designs sequences for a target structure — and how to judge the sequences it returns.

Learn how ProteinMPNN designs sequences for a target structure — and how to judge the sequences it returns.

## Links

- [Module 7: The Sequence Finder](https://proteindesign.academy/module/7)
- [7.1 Sequence Space](https://proteindesign.academy/module/7/1)
- [7.2 The Degeneracy Principle](https://proteindesign.academy/module/7/2)
- [7.3 Solubility Surgeon](https://proteindesign.academy/module/7/3)
- [7.4 ProteinMPNN: How It Works](https://proteindesign.academy/module/7/4)
- [7.5 Evaluating MPNN Outputs](https://proteindesign.academy/module/7/5)
- [7.integration The Sequence Swap](https://proteindesign.academy/module/7/integration)
- [The MPNN Challenge](https://proteindesign.academy/module/7/capstone)
- [Use the Tools](https://proteindesign.academy/module/7/tools)