Annotations: 3QDH

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Gram-positive pilin BB domain-like	8045767	4004692	SCOP2 (2022-06-29)
A	SCOP2 Family	Gram-positive pilin backbone D3 domain-like	8048173	4004691	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Bacterial adhesin-like	8092054	3000723	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cna B-type domain-like	8092055	3000862	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ribonuclease_3	e3qdhA5	A: alpha bundles	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: Ribonuclease_3	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.740	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Fimbrial structural subunit	cation binding ion binding binding metal ion binding small molecule binding	carbohydrate metabolic process primary metabolic process metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR026466	Fimbrial isopeptide formation D2 domain	Domain
A	IPR046473	Sgo0707-like, N2 domain	Domain
A	IPR041033	SpaA-like, prealbumin fold domain subgroup 1	Domain
A	IPR048052	Fimbrial subunit type 1-like	Family
A	IPR032364	Gram-positive pilin subunit D1, N-terminal	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.