Annotations: 5CIP

Crystal Structure of Unbound 4E10

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 B]	d5cipb2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D [auth B]	d5cipb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth L]	d5cipl2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth L]	d5cipl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (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)
C [auth A]	Piezo_RRas_bdg	e5cipA1	A: beta barrels	X: TIM beta/alpha-barrel	H: Piezo CTL2 domain	T: Piezo CTL2 domain	F: Piezo_RRas_bdg	ECOD (v294.2)
C [auth A]	EF-hand_1, EF-hand_6, EF-hand_7	e5cipA2	A: beta barrels	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: EF-hand_1, EF-hand_6, EF-hand_7	ECOD (v294.2)
D [auth B]	Piezo_RRas_bdg	e5cipB1	A: beta barrels	X: TIM beta/alpha-barrel	H: Piezo CTL2 domain	T: Piezo CTL2 domain	F: Piezo_RRas_bdg	ECOD (v294.2)
B [auth L]	Piezo_RRas_bdg	e5cipL1	A: beta barrels	X: TIM beta/alpha-barrel	H: Piezo CTL2 domain	T: Piezo CTL2 domain	F: Piezo_RRas_bdg	ECOD (v294.2)
A [auth H]	Piezo_RRas_bdg	e5cipH2	A: beta barrels	X: TIM beta/alpha-barrel	H: Piezo CTL2 domain	T: Piezo CTL2 domain	F: Piezo_RRas_bdg	ECOD (v294.2)
A [auth H]	EF-hand_1, EF-hand_6, EF-hand_7	e5cipH3	A: beta barrels	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: EF-hand_1, EF-hand_6, EF-hand_7	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth L]	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 A]	4E10 mAb, anti-gp41 membrane-proximal external region (MPER)	VH-CH1	Homo sapiens (human)	IGHV1-6910, IGHJ101, IGHG101, IGHG102, IGHG104, IGHG105	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202617-0)
B [auth L], D [auth B]	[HIV-1], neutralizing	L-KAPPA	Homo sapiens (human)	IGKV3-2001, IGKJ101, IGKC*01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202617-0)
A [auth H]	[HIV-1], neutralizing	VH-CH1	Homo sapiens (human)	IGHV1-6910, IGHJ101, IGHG101, IGHG102, IGHG104, IGHG105	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

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

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