Annotations: 4L3A

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	EUF07690	e4l3aA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: EUF07690	ECOD (1.6)
A	DUF5011_1	e4l3aA4	A: beta sandwiches	X: A putative surface protein (From Topology)	H: A putative surface protein (From Topology)	T: A putative surface protein	F: DUF5011_1	ECOD (1.6)
A	LRR_8_3	e4l3aA1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: LRR_8_3	ECOD (1.6)
B	EUF07690	e4l3aB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: EUF07690	ECOD (1.6)
B	DUF5011_1	e4l3aB3	A: beta sandwiches	X: A putative surface protein (From Topology)	H: A putative surface protein (From Topology)	T: A putative surface protein	F: DUF5011_1	ECOD (1.6)
B	LRR_8_3	e4l3aB1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: LRR_8_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.80.10.10	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	Ribonuclease Inhibitor	CATH (4.3.0)
A	2.60.40.3890	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	3.80.10.10	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	Ribonuclease Inhibitor	CATH (4.3.0)
B	2.60.40.3890	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF18981	Internalin K domain (D3/D4) (InlK_D3)	Internalin K domain (D3/D4)	This domain is found at the elbow of internalin surface proteins, used by the bacteria to invade mammalian cells. This domain has an Ig-like fold [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Internalin K	-	-	membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR044056	Internalin I, Ig-like domain	Domain
A, B	IPR019931	LPXTG cell wall anchor domain	Domain

RCSB PDB Core Operations are 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.