Lineage for Family a.143.1.2: RPB6
- Root: SCOP 1.73
Class a: All alpha proteins [46456] (258 folds) 
Fold a.143: RPB6/omega subunit-like [63561] (1 superfamily)
core: 2 helices and adjacent loopsSuperfamily a.143.1: RPB6/omega subunit-like [63562] (2 families) 
the bacterial omega and eukaryotic RPB6 subunits both function in polymerase assembly; the common core is involved in conserved interactions with other subunitsFamily a.143.1.2: RPB6 [55294] (1 protein)
Protein:
RPB6 [55295] (2 species)
essential subunit of RNA polymerases I, II and IIISpecies Baker's yeast (Saccharomyces cerevisiae) [TaxId:4932] [64318] (24 PDB entries) 
Species Human (Homo sapiens) [TaxId:9606] [55296] (1 PDB entry)
More info for Family a.143.1.2: RPB6
Timeline for Family a.143.1.2: RPB6:
- Family a.143.1.2: RPB6 first appeared (with stable ids) in SCOP 1.55, called Family d.78.1.2: HRPABC14.4, essential subunit of RNA polymerases I, II and III (RPB6)
- Family a.143.1.2: RPB6 appears in SCOP 1.71
- Family a.143.1.2: RPB6 appears in SCOP 1.75
- Family a.143.1.2: RPB6 appears in the current release, SCOPe 2.08