Annotations: 3WIF

Crystal structure of anti-prostaglandin E2 Fab fragment 9Cl-PGF2beta complex

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d3wifb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d3wifb2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d3wifa_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	V-set	e3wifB1	A: alpha arrays	X: DP domain	H: DP domain	T: DP domain	F: V-set	ECOD (v295.2)
A	V-set	e3wifA1	A: alpha arrays	X: DP domain	H: DP domain	T: DP domain	F: V-set	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B	anti-Prostaglandin E2 Fab	L-KAPPA	Mus musculus (house mouse)	IGKV1-11701, IGKJ501, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202637-0)
A	anti-Prostaglandin E2 Fab	VH-CH1	Mus musculus (house mouse)	IGHV1-7101, IGHV1-62-201, IGHJ301, IGHG102	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202637-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Light Chain	IGKV1	Kappa	(Z)-7-[(1R,2R,3R,5R)-5-chloranyl-3-oxidanyl-2-[(E,3S)-3-oxidanyloct-1-enyl]cyclopentyl]hept-5-enoic acid	SAbDab (2026-09-25)
A	Heavy Chain	IGHV1	-	(Z)-7-[(1R,2R,3R,5R)-5-chloranyl-3-oxidanyl-2-[(E,3S)-3-oxidanyloct-1-enyl]cyclopentyl]hept-5-enoic acid	SAbDab (2026-09-25)