# Introduction

> Understand how secondary structures pack into domains and tertiary structure.

Understand how secondary structures pack into domains and tertiary structure.

## Links

- [Module 3: The Architect](https://proteindesign.academy/module/3)
- [3.1 Building the Hydrophobic Core](https://proteindesign.academy/module/3/1)
- [3.2 Disulfide Bridges](https://proteindesign.academy/module/3/2)
- [3.3 Surface vs Buried: The Inside-Out Rule](https://proteindesign.academy/module/3/3)
- [3.4 Domain Architecture](https://proteindesign.academy/module/3/4)
- [3.integration The Protein Repair Shop](https://proteindesign.academy/module/3/integration)
- [The Folding Architect](https://proteindesign.academy/module/3/capstone)