Annotations: 8ELN

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
J	Head-tail_con	e8elnJ1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Head-tail_con	ECOD (v294.2)
I	Polyketide_cyc2	e8elnI1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
F	Polyketide_cyc2	e8elnF1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
E	Polyketide_cyc2	e8elnE1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
B	Polyketide_cyc2	e8elnB1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
A	Polyketide_cyc2	e8elnA1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
L	Polyketide_cyc2	e8elnL1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
K	Polyketide_cyc2	e8elnK1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
H	Polyketide_cyc2	e8elnH1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
G	Polyketide_cyc2	e8elnG1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
D	Polyketide_cyc2	e8elnD1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Polyketide_cyc2	ECOD (v294.2)
C	Head-tail_con	e8elnC1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Head-tail_con	ECOD (v294.2)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C, D, G, H, K C, D, G, H, K, L	Heavy Chain	IGHV1	-	cftr inhibitory factor	SAbDab (2026-05-08)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, E, F, I A, B, E, F, I, J	CFTR inhibitory factor	hydrolase activity catalytic activity	-	-
C, D, G, H, K C, D, G, H, K, L	Nanobody VHH222	-	-	-

Chains	Accession	Name	Type
A, B, E, F, I A, B, E, F, I, J	IPR000073	Alpha/beta hydrolase fold-1	Domain
A, B, E, F, I A, B, E, F, I, J	IPR029058	Alpha/Beta hydrolase fold	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

8ELN | pdb_00008eln