SCOP 1.75: Superfamily b.19.1: Viral protein domain

Lineage for Superfamily b.19.1: Viral protein domain

1. Root: SCOP 1.75

2. Class b: All beta proteins [48724] (174 folds)

3. Fold b.19: Viral protein domain [49817] (1 superfamily)
   sandwich; 9 strands in 2 sheets; jelly-roll; form trimers

4. Superfamily b.19.1: Viral protein domain [49818] (3 families)
   forms homotrimers

Families:

1. b.19.1.1: Top domain of virus capsid protein [49819] (3 proteins)
   this domain is inserted into a multihelical domain

2. b.19.1.2: Influenza hemagglutinin headpiece [49823] (1 protein)

3. b.19.1.3: Hemagglutinin domain of haemagglutinin-esterase-fusion glycoprotein HEF1 [49826] (1 protein)

More info for Superfamily b.19.1: Viral protein domain

Timeline for Superfamily b.19.1: Viral protein domain:

• Superfamily b.19.1: Viral protein domain first appeared (with stable ids) in SCOP 1.55, called Superfamily b.19.1: Segmented RNA-genome viruses' proteins
  
• Superfamily b.19.1: Viral protein domain appears in SCOP 1.73
  
• Superfamily b.19.1: Viral protein domain appears in SCOPe 2.01
  
• Superfamily b.19.1: Viral protein domain appears in the current release, SCOPe 2.08