4XBG | pdb_00004xbg

Crystal structure of human 4E10 Fab in complex with phosphatidic acid (06:0 PA): 2.73 A resolution

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)
A [auth L]	d4xbgl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A [auth L]	d4xbgl2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E [auth D]	d4xbgd1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E [auth D]	d4xbgd2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
G [auth F]	d4xbgf1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
G [auth F]	d4xbgf2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
I	d4xbgi1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
I	d4xbgi2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
K	d4xbgk1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
K	d4xbgk2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth B]	d4xbgb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth B]	d4xbgb2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(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)
B [auth H]	BD-FAE	e4xbgH1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
B [auth H]	NTP_transferase	e4xbgH2	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (v294.1)
D [auth A]	BD-FAE	e4xbgA2	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
D [auth A]	NTP_transferase	e4xbgA1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (v294.1)
F [auth C]	BD-FAE	e4xbgC1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
F [auth C]	NTP_transferase	e4xbgC2	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (v294.1)
H [auth E]	BD-FAE	e4xbgE1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
H [auth E]	NTP_transferase	e4xbgE2	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (v294.1)
J [auth G]	BD-FAE	e4xbgG1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
J [auth G]	NTP_transferase	e4xbgG2	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (v294.1)
L [auth J]	BD-FAE	e4xbgJ2	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
L [auth J]	NTP_transferase	e4xbgJ3	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (v294.1)
A [auth L]	BD-FAE	e4xbgL1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
E [auth D]	BD-FAE	e4xbgD1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
G [auth F]	BD-FAE	e4xbgF1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
I	BD-FAE	e4xbgI1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
K	BD-FAE	e4xbgK1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)
C [auth B]	BD-FAE	e4xbgB1	A: a/b three-layered sandwiches	X: HhH/H2TH	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: BD-FAE	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H [auth E]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
J [auth G]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
L [auth J]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G [auth F]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
I	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
K	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C [auth B]	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 [auth H], D [auth A], F [auth C], H [auth E], J [auth G], B [auth H], D [auth A], F [auth C], H [auth E], J [auth G], L [auth J]	[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 (202611-0)
A [auth L], C [auth B], E [auth D], G [auth F], I, A [auth L], C [auth B], E [auth D], G [auth F], I, K	[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 (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H], D [auth A], F [auth C], H [auth E], J [auth G], B [auth H], D [auth A], F [auth C], H [auth E], J [auth G], L [auth J]	Heavy Chain	IGHV1	-	(2R)-3-(phosphonooxy)propane-1,2-diyl dihexanoate	SAbDab (2026-03-27)
A [auth L], C [auth B], E [auth D], G [auth F], I, A [auth L], C [auth B], E [auth D], G [auth F], I, K	Light Chain	IGKV3	Kappa	(2R)-3-(phosphonooxy)propane-1,2-diyl dihexanoate	SAbDab (2026-03-27)

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.