4BHR

Structure of the TTHA1221 type IV pilin protein from Thermus thermophilus

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)
A	EUF08315	e4bhrA1	A: a+b two layers	X: Pili subunits (From Topology)	H: Pili subunits (From Topology)	T: Pili subunits	F: EUF08315	ECOD (1.6)
B	EUF08315	e4bhrB1	A: a+b two layers	X: Pili subunits (From Topology)	H: Pili subunits (From Topology)	T: Pili subunits	F: EUF08315	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.1300.70	Alpha Beta	2-Layer Sandwich	Pantoate--beta-alanine Ligase	Chain: A,domain 2	CATH (4.3.0)
B	3.30.1300.70	Alpha Beta	2-Layer Sandwich	Pantoate--beta-alanine Ligase	Chain: A,domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF18682	Pilin A4 (PilA4)	Pilin A4	This domain is found in the major pilin protein PilA. PilA4 binds to PilMNO forming a complex with a well-defined platform linking the cytoplasmic PilM protein to pilus subunits in the periplasm. Structure analysis indicate that it is comprised of on ...	This domain is found in the major pilin protein PilA. PilA4 binds to PilMNO forming a complex with a well-defined platform linking the cytoplasmic PilM protein to pilus subunits in the periplasm. Structure analysis indicate that it is comprised of one alpha-helix and 4 beta-sheets [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PILIN, TYPE IV	-	-	periplasmic space cellular anatomical entity cell periphery cell outer membrane external encapsulating structure membrane cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR041050	Pilin A4	Domain
A, B	IPR012902	Prokaryotic N-terminal methylation site	PTM
A, B	IPR050470	Type IV Pilus and Type II Secretion System Core	Family
A, B	IPR045584	Pilin-like	Homologous Superfamily

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.