Annotations: 9D6F

Cryo-EM structure of E. coli FimH lectin domain bound to Fabs 440-2 and 454-3

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E [auth D]	SCOP2B Superfamily	Bacterial adhesin-like	8032980	3000723	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)
D [auth C]	VWA	e9d6fC01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: VWA	ECOD (v294.2)
C [auth A]	VWA	e9d6fA01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: VWA	ECOD (v294.2)
B [auth H]	VWA	e9d6fH01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: VWA	ECOD (v294.2)
A [auth L]	VWA	e9d6fL01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: VWA	ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D [auth C]	Light Chain	IGKV12	Kappa	type 1 fimbrin d-mannose specific adhesin fimh, donorstrand complemented with fimg peptide 'triple mutant'	SAbDab (2026-05-08)
C [auth A]	Heavy Chain	IGHV1	-	type 1 fimbrin d-mannose specific adhesin fimh, donorstrand complemented with fimg peptide 'triple mutant'	SAbDab (2026-05-08)
B [auth H]	Heavy Chain	IGHV1	-	type 1 fimbrin d-mannose specific adhesin fimh, donorstrand complemented with fimg peptide 'triple mutant'	SAbDab (2026-05-08)
A [auth L]	Light Chain	IGKV2	Kappa	type 1 fimbrin d-mannose specific adhesin fimh, donorstrand complemented with fimg peptide 'triple mutant'	SAbDab (2026-05-08)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth D]	PF00419	Fimbrial protein (Fimbrial)	Fimbrial protein		Domain
E [auth D]	PF09160	FimH, mannose binding (FimH_man-bind)	FimH, mannose binding	Members of this family adopt a secondary structure consisting of a beta sandwich, with nine strands arranged in two sheets in a Greek key topology. They are predominantly found in bacterial mannose-specific adhesins, since they are capable of binding ...	Members of this family adopt a secondary structure consisting of a beta sandwich, with nine strands arranged in two sheets in a Greek key topology. They are predominantly found in bacterial mannose-specific adhesins, since they are capable of binding to D-mannose [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth D]	Type 1 fimbrin D-mannose specific adhesin FimH, Donor strand complemented with FimG peptide 'triple mutant'	binding D-mannose binding monosaccharide binding carbohydrate binding small molecule binding	behavior multicellular organismal process response to stimulus response to mechanical stimulus response to abiotic stimulus response to external stimulus mechanosensory behavior cell adhesion cell-substrate adhesion cellular process cell adhesion involved in biofilm formation cell aggregation biofilm formation biological process involved in intraspecies interaction between organisms behavior multicellular organismal process response to stimulus response to mechanical stimulus response to abiotic stimulus response to external stimulus mechanosensory behavior cell adhesion cell-substrate adhesion cellular process cell adhesion involved in biofilm formation cell aggregation biofilm formation biological process involved in intraspecies interaction between organisms single-species biofilm formation aggregation of unicellular organisms submerged biofilm formation cell adhesion involved in single-species biofilm formation single-species submerged biofilm formation	pilus cell projection cellular anatomical structure pilus tip host cellular component host cell part host cell membrane other organism part
D [auth C]	445-3 Fab light chain	-	-	-
C [auth A]	445-3 Fab heavy chain	-	-	-
B [auth H]	440-2 Fab heavy chain	-	-	-
A [auth L]	440-2 Fab light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth D]	IPR036937	Fimbrial-type adhesion domain superfamily	Homologous Superfamily
E [auth D]	IPR050263	Bacterial Fimbrial Adherence	Family
E [auth D]	IPR008966	Adhesion domain superfamily	Homologous Superfamily
E [auth D]	IPR036937	Fimbrial-type adhesion domain superfamily	Homologous Superfamily
E [auth D]	IPR015243	FimH, mannose-binding domain	Domain
E [auth D]	IPR050263	Bacterial Fimbrial Adherence	Family
E [auth D]	IPR000259	Fimbrial-type adhesion domain	Domain
E [auth D]	IPR008966	Adhesion domain superfamily	Homologous Superfamily

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.