Domain Annotation: CATH CATH Database (version 4.2.0) Homepage

Chain	Domain	Class	Architecture	Topology	Homology
A	2.40.160.20	Mainly Beta	Beta Barrel	Porin

RCSB PDB is funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.