Annotations: 4F8L

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	EUF07756	e4f8lA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: EUF07756	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.3590	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF21462	Ph 6 antigen (PsaS)	Ph 6 antigen	This entry represents the ph 6 antigen (also known as adhesin or antigen 4) from Yersinia pestis, which is part of fimbriae, necessary for full virulence [1,2]. It mediates bacterial attachment to alveolar cells of the lung.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	pH 6 antigen	-	-	pilus cell projection cellular anatomical structure

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR053731	Fimbrial Structure-Associated Virulence Factor	Homologous Superfamily
A	IPR048725	Fimbrial protein MyfA/ph 6 antigen	Family

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.