Annotations: 4F8P

X-ray structure of PsaA from Yersinia pestis, in complex with galactose

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	BD-FAE	e4f8pB1	A: beta barrels	X: all-alpha NTP pyrophosphatases	H: Nudix	T: Nudix	F: BD-FAE	ECOD (v294.2)
A	HSP70	e4f8pA1	A: beta barrels	X: all-alpha NTP pyrophosphatases	H: all-alpha NTP pyrophosphatases	T: MazG-related	F: HSP70	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.3590	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
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, B	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, B	pH 6 antigen	-	-	pilus cell projection cellular anatomical structure

InterPro: Protein Family Classification InterPro Database Homepage

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

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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.