Annotations: 4KKR

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Sdh5	e4kkrB2	A: a/b three-layered sandwiches	X: all-alpha NTP pyrophosphatases	H: all-alpha NTP pyrophosphatases	T: MazG-related	F: Sdh5	ECOD (v294.1)
B	PUF	e4kkrB1	A: a/b three-layered sandwiches	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: PUF	ECOD (v294.1)
A	Cadherin	e4kkrA3	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: Cadherin	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.3880	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
A	2.60.40.3880	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.