Annotations: 2FSD

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PCNA_N	e2fsdB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: winged helix domain	F: PCNA_N	ECOD (v294.1)
A	EntA_Immun	e2fsdA1	A: a/b three-layered sandwiches	X: Rubredoxin-like	H: SH3	T: SH3	F: EntA_Immun	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.2460	Mainly Beta	Sandwich	Immunoglobulin-like	Phage bIL170 RBP, head domain	CATH (4.3.0)
A	2.60.40.2460	Mainly Beta	Sandwich	Immunoglobulin-like	Phage bIL170 RBP, head domain	CATH (4.3.0)

Chains	Accession	Name	Type
A, B	IPR048780	Receptor-binding protein, N-terminal shoulder domain	Domain
A, B	IPR043123	Phage bIL170 RBP, head domain	Homologous Superfamily
A, B	IPR015027	Receptor-binding protein of phage tail base-plate Siphoviridae, head	Domain

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.

2FSD | pdb_00002fsd