Annotations: 3H3P

Crystal structure of HIV epitope-scaffold 4E10 Fv 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)
D [auth M]	d3h3pm1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D [auth M]	d3h3pm2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth L]	d3h3pl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth L]	d3h3pl2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth I]	d3h3pi1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth I]	d3h3pi2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A [auth H]	d3h3ph1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A [auth H]	d3h3ph2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E [auth S]	Peptidase_C14	e3h3pS01	A: beta barrels	X: Caspase-like	H: Caspase-like	T: Caspase-like	F: Peptidase_C14	ECOD (v294.2)
D [auth M]	COesterase, BD-FAE	e3h3pM1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: COesterase, BD-FAE	ECOD (v294.2)
C [auth L]	LplA-B_cat	e3h3pL1	A: beta barrels	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: LplA-B_cat	ECOD (v294.2)
B [auth I]	COesterase, BD-FAE	e3h3pI1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: COesterase, BD-FAE	ECOD (v294.2)
A [auth H]	LplA-B_cat	e3h3pH1	A: beta barrels	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: LplA-B_cat	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth I]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth H]	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
C [auth L], D [auth M]	4E10 (H)W104>A mAb, anti-gp41 membrane-proximal external region	V-KAPPA	Homo sapiens (human)	IGKV3-2001, IGKJ101	V-DOMAIN V-KAPPA	IG	FV-HEAVY_KAPPA	IMGT (202617-0)
A [auth H], B [auth I]	4E10 (H)W104>A mAb, anti-gp41 membrane-proximal external region	VH	Homo sapiens (human)	IGHV1-6910, IGHJ101	V-DOMAIN VH	IG	FV-HEAVY_KAPPA	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L], D [auth M]	Light Chain	IGKV3	Kappa	4e10_s0_1tjlc_004_n	SAbDab (2026-05-08)
A [auth H], B [auth I]	Heavy Chain	IGHV1	-	4e10_s0_1tjlc_004_n	SAbDab (2026-05-08)

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