Annotations: 2L4W

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	TcpQ	e2l4wA1	A: alpha bundles	X: C-terminal domain of envelope glycoprotein H	H: N0 domain in phage tail proteins and secretins	T: N0 domain in phage tail proteins and secretins	F: TcpQ	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.55.50.70	Alpha Beta	3-Layer(bab) Sandwich	Phage tail protein beta-alpha-beta fold		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.