# The <i>Urfold</i> : Structural similarity just above the superfold level?

> Research article (Protein Science, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2979945126](https://www.wikidata.org/wiki/openalex:W2979945126)  
**Source**: https://4ort.xyz/entity/the-i-urfold-i-structural-similarity-just-above-the-superfold-level