Lineage for Family a.22.1.2: Archaeal histone
- Root: SCOPe 2.07
Class a: All alpha proteins [46456] (289 folds) 
Fold a.22: Histone-fold [47112] (1 superfamily)
core: 3 helices; long middle helix is flanked at each end with shorter onesSuperfamily a.22.1: Histone-fold [47113] (5 families) 
Family a.22.1.2: Archaeal histone [47129] (1 protein)
Protein:
Archaeal histone [68897] (4 species) 
Species Methanopyrus kandleri [TaxId:2320] [68988] (1 PDB entry) Species Methanothermus fervidus, histone A [TaxId:2180] [68895] (2 PDB entries) 
Species Methanothermus fervidus, histone B [TaxId:2180] [68896] (3 PDB entries) 
Species Pyrococcus horikoshii [TaxId:53953] [101106] (1 PDB entry)
More info for Family a.22.1.2: Archaeal histone
Timeline for Family a.22.1.2: Archaeal histone:
- Family a.22.1.2: Archaeal histone first appeared (with stable ids) in SCOP 1.55
- Family a.22.1.2: Archaeal histone appears in SCOPe 2.06
- Family a.22.1.2: Archaeal histone appears in the current release, SCOPe 2.08