Lineage for Superfamily f.23.39: Photosystem II reaction center protein Y, PsbY
- Root: SCOPe 2.06
Class f: Membrane and cell surface proteins and peptides [56835] (59 folds) 
Fold f.23: Single transmembrane helix [81407] (42 superfamilies)
not a true fold- Superfamily f.23.39: Photosystem II reaction center protein Y, PsbY [267598] (1 family)
Family:
- f.23.39.1: PsbY-like [267614] (1 protein)
More info for Superfamily f.23.39: Photosystem II reaction center protein Y, PsbY
Timeline for Superfamily f.23.39: Photosystem II reaction center protein Y, PsbY:
- Superfamily f.23.39: Photosystem II reaction center protein Y, PsbY first appeared in SCOPe 2.05
- Superfamily f.23.39: Photosystem II reaction center protein Y, PsbY appears in SCOPe 2.07
- Superfamily f.23.39: Photosystem II reaction center protein Y, PsbY appears in the current release, SCOPe 2.08