Annotations: 3A5X

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	FliC central-region like	8034125	3001385	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	FlgL-like	8054354	3002287	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	FlgL-like	8054354	3002287	SCOP2B (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	Flagellin_D3	e3a5xA2	A: beta complex topology	X: barrel domains in phase 1 flagellin (From Topology)	H: barrel domains in phase 1 flagellin (From Topology)	T: barrel domains in phase 1 flagellin	F: Flagellin_D3	ECOD (1.6)
A	PRK08026_1st	e3a5xA3	A: beta complex topology	X: barrel domains in phase 1 flagellin (From Topology)	H: barrel domains in phase 1 flagellin (From Topology)	T: barrel domains in phase 1 flagellin	F: PRK08026_1st	ECOD (1.6)
A	PRK08026_2nd	e3a5xA1	A: beta complex topology	X: barrel domains in phase 1 flagellin (From Topology)	H: barrel domains in phase 1 flagellin (From Topology)	T: barrel domains in phase 1 flagellin	F: PRK08026_2nd	ECOD (1.6)
A	Flagellin_N	e3a5xA4	A: a+b three layers	X: Nigritoxin middle domain (From Topology)	H: Nigritoxin middle domain (From Topology)	T: Nigritoxin middle domain	F: Flagellin_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.280.190	Special	Helix non-globular	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	1.20.1330.10	Mainly Alpha	Up-down Bundle	f41 fragment of flagellin, N-terminal domain	f41 fragment of flagellin, N-terminal domain	CATH (4.3.0)
A	2.170.280.10	Mainly Beta	Beta Complex	f41 fragment of flagellin, middle domain	f41 fragment of flagellin, middle domain	CATH (4.3.0)
A	2.30.220.10	Mainly Beta	Roll	f41 fragment of flagellin, C-terminal domain	f41 fragment of flagellin, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00700	Bacterial flagellin C-terminal helical region (Flagellin_C)	Bacterial flagellin C-terminal helical region	-	Family
A	PF08884	Flagellin D3 domain (Flagellin_D3)	Flagellin D3 domain	This domain is found in the central portion bacterial flagellin FliC. The domain contains a structural motif called a beta-folium fold [1]. Although no specific function is assigned to this domain its deletion leads to a reduction in filament stabi ...	This domain is found in the central portion bacterial flagellin FliC. The domain contains a structural motif called a beta-folium fold [1]. Although no specific function is assigned to this domain its deletion leads to a reduction in filament stability [2].	Domain
A	PF00669	Bacterial flagellin N-terminal helical region (Flagellin_N)	Bacterial flagellin N-terminal helical region	-	Family
A	PF21504	Flagellin, barrel domain (FLIC_barrel)	Flagellin, barrel domain	This entry represents a barrel domain of flagellins FliC and FljB, which have a boomerang-shape with one arm composed of domain D1 and the other formed by D2 and D3 [1-3]. This entry corresponds to to subdomain D2b described in [4].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Flagellin	structural molecule activity	-	cell projection organelle cellular anatomical entity bacterial-type flagellum non-membrane-bounded organelle extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR049365	Flagellin, barrel domain	Domain
A	IPR046358	Flagellin, C-terminal domain	Domain
A	IPR014981	Flagellin D3	Domain
A	IPR001029	Flagellin, N-terminal domain	Domain
A	IPR042187	Flagellin, C-terminal domain, subdomain 2	Homologous Superfamily
A	IPR001492	Flagellin	Family

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.