The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was named:

Activator of Hsp90 ATPase Aha1, N-terminal domain

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.

Superfamily: Activator of Hsp90 ATPase Aha1, N-terminal domain

This superfamily is represented by the activator of Hsp90 (heat shock protein 90) domain which is usually located at the N-terminus. It consists of an N-terminal alpha-helix leading into a four-stranded meandering antiparallel beta-sheet, followed by a C-terminal alpha-helix. The two helices are packed together, with the beta-sheet curving around them. They bind to the molecular chaperone HSP90 and stimulate its ATPase activity.


GO Diversity

Unique GO annotations
15 Unique GO terms

EC Diversity

Unique EC annotations
0 Unique EC terms

Species Diversity

Unique species annotations
1473 Unique species

Sequence/Structure Diversity

Overview of the sequence / structure diversity of this superfamily compared to other superfamilies in CATH. Click on the chart to view the data in more detail.

Superfamily Summary

A general summary of information for this superfamily.
Domains: 7
Domain clusters (>95% seq id): 2
Domain clusters (>35% seq id): 2
Unique PDBs: 3
Structural Clusters (5A): 1
Structural Clusters (9A): 1
FunFam Clusters: 7
Unique EC:
Unique GO: 15
Unique Species: 1473