# Structural Comparison Between MHC Classes I and II; in Evolution, a Class-II-Like Molecule Probably Came First

> Research article (Frontiers in Immunology, 2021) · cited 34× · AI/ML

**Wikidata**: [openalex:W3171982987](https://www.wikidata.org/wiki/openalex:W3171982987)  
**Source**: https://4ort.xyz/entity/structural-comparison-between-mhc-classes-i-and-ii-in-evolution-a-class-ii-like-molecule-probably-came-first