Annotations: 8F6V

Crystal Structure of Nanobody VHH108 Bound to Its Antigen PA14 Cif

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody 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 [auth D]	MIF4G	e8f6vD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
D [auth C]	MIF4G	e8f6vC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
A	Brix	e8f6vA01	A: beta barrels	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Brix	ECOD (v294.2)
C [auth B]	MIF4G	e8f6vB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A, C [auth B]	Heavy Chain	IGHV1	-	cftr inhibitory factor	SAbDab (2026-06-05)

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth D], D [auth C]	IPR000073	Alpha/beta hydrolase fold-1	Domain
B [auth D], D [auth C]	IPR029058	Alpha/Beta hydrolase fold	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.