4XCN | pdb_00004xcn

Crystal structure of human 4E10 Fab in complex with phosphatidic acid (06:0 PA); 2.9 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)
K	d4xcnk1	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	d4xcnk2	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	d4xcni1	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	d4xcni2	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]	d4xcnf1	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]	d4xcnf2	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]	d4xcnd1	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]	d4xcnd2	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]	d4xcnb1	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]	d4xcnb2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A [auth L]	d4xcnl1	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]	d4xcnl2	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)
L [auth J]	BD-FAE	e4xcnJ2	A: alpha bundles	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 (develop294)
L [auth J]	NTP_transferase	e4xcnJ3	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (develop294)
J [auth G]	BD-FAE	e4xcnG1	A: alpha bundles	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 (develop294)
J [auth G]	NTP_transferase	e4xcnG2	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (develop294)
H [auth E]	BD-FAE	e4xcnE2	A: alpha bundles	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 (develop294)
H [auth E]	NTP_transferase	e4xcnE3	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (develop294)
F [auth C]	BD-FAE	e4xcnC1	A: alpha bundles	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 (develop294)
F [auth C]	NTP_transferase	e4xcnC2	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (develop294)
D [auth A]	BD-FAE	e4xcnA2	A: alpha bundles	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 (develop294)
D [auth A]	NTP_transferase	e4xcnA1	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (develop294)
B [auth H]	BD-FAE	e4xcnH2	A: alpha bundles	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 (develop294)
B [auth H]	NTP_transferase	e4xcnH3	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: NTP_transferase	ECOD (develop294)
K	BD-FAE	e4xcnK1	A: alpha bundles	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 (develop294)
I	BD-FAE	e4xcnI1	A: alpha bundles	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 (develop294)
G [auth F]	BD-FAE	e4xcnF1	A: alpha bundles	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 (develop294)
E [auth D]	BD-FAE	e4xcnD1	A: alpha bundles	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 (develop294)
C [auth B]	BD-FAE	e4xcnB1	A: alpha bundles	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 (develop294)
A [auth L]	BD-FAE	e4xcnL1	A: alpha bundles	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 (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
L [auth J]	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)
H [auth E]	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)
D [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth H]	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)
I	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)
E [auth D]	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)
A [auth L]	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 (202610-0)
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 (202610-0)

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 (2026-03-20)
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 (2026-03-20)

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.