Lineage for Protein: Erythropoietin
- Root: SCOPe 2.05
Class a: All alpha proteins [46456] (286 folds) 
Fold a.26: 4-helical cytokines [47265] (1 superfamily)
core: 4 helices; bundle, closed; left-handed twist; 2 crossover connectionsSuperfamily a.26.1: 4-helical cytokines [47266] (4 families) 
there are two different topoisomers of this fold with different entanglements of the two crossover connections
Family a.26.1.2: Short-chain cytokines [47286] (14 proteins) 
Protein Erythropoietin [47287] (1 species)
long chain cytokine with a short-chain cytokine topology
Species:
Human (Homo sapiens) [TaxId:9606] [47288] (3 PDB entries) - Domain for 1buy:
Domain d1buya_: 1buy A: [16848]
- Domain for 1cn4:
Domain d1cn4c_: 1cn4 C: [16847]
Other proteins in same PDB: d1cn4a1, d1cn4a2, d1cn4b1, d1cn4b2
- Domain for 1eer:
Domain d1eera_: 1eer A: [16846]
Other proteins in same PDB: d1eerb1, d1eerb2, d1eerc1, d1eerc2
- Domain for 1buy:
More info for Protein Erythropoietin from a.26.1.2: Short-chain cytokines
Timeline for Protein Erythropoietin from a.26.1.2: Short-chain cytokines:
- Protein Erythropoietin from a.26.1.2: Short-chain cytokines first appeared (with stable ids) in SCOP 1.55
- Protein Erythropoietin from a.26.1.2: Short-chain cytokines appears in SCOPe 2.04
- Protein Erythropoietin from a.26.1.2: Short-chain cytokines appears in SCOPe 2.06
- Protein Erythropoietin from a.26.1.2: Short-chain cytokines appears in the current release, SCOPe 2.08