1N4X

Structure of scFv 1696 at acidic pH

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth L]	d1n4xl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain kappa variable domain, VL-kappa	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth L]	d1n4xl2	Artifacts	Tags	Tags	Tags	C-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C [auth M]	d1n4xm1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain kappa variable domain, VL-kappa	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C [auth M]	d1n4xm2	Artifacts	Tags	Tags	Tags	C-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D [auth I]	d1n4xi1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D [auth I]	d1n4xi3	Artifacts	Tags	Tags	Tags	C-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D [auth I]	d1n4xi2	Artifacts	Tags	Tags	Tags	N-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth H]	d1n4xh1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth H]	d1n4xh3	Artifacts	Tags	Tags	Tags	C-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth H]	d1n4xh2	Artifacts	Tags	Tags	Tags	N-terminal Tags	house mouse (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)
A [auth L]	PF07686	e1n4xL1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
C [auth M]	PF07686	e1n4xM1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
D [auth I]	PF07686	e1n4xI1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
B [auth H]	PF07686	e1n4xH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth I]	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)

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
A [auth L], C [auth M]	1696	V-KAPPA	Mus musculus (house mouse)	IGKV1-11701, IGKJ101, IGKJ102, IGKJ201	V-DOMAIN V-KAPPA	IG	FV-HEAVY_KAPPA	IMGT (202416-0)
B [auth H], D [auth I]	1696	VH	Mus musculus (house mouse)	IGHV9-2-101, IGHJ301	V-DOMAIN VH	IG	FV-HEAVY_KAPPA	IMGT (202416-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth L], C [auth M]	Light Chain	IGKV1	Kappa	-	SAbDab (2024-04-26)
B [auth H], D [auth I]	Heavy Chain	IGHV9	-	-	SAbDab (2024-04-26)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth L], C [auth M]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
B [auth H], D [auth I]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth L], C [auth M]	immunoglobulin kappa chain variable region	binding antigen binding	response to stimulus immune response immune system process adaptive immune response	protein-containing complex immunoglobulin complex extracellular region extracellular space cellular anatomical entity
B [auth H], D [auth I]	immunoglobulin heavy chain variable region	-	response to stimulus immune response immune system process adaptive immune response	protein-containing complex immunoglobulin complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth L], C [auth M]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A [auth L], C [auth M]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A [auth L], C [auth M]	IPR003599	Immunoglobulin subtype	Domain
A [auth L], C [auth M]	IPR013106	Immunoglobulin V-set domain	Domain
A [auth L], C [auth M]	IPR007110	Immunoglobulin-like domain	Domain
B [auth H], D [auth I]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth H], D [auth I]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth H], D [auth I]	IPR003599	Immunoglobulin subtype	Domain
B [auth H], D [auth I]	IPR003598	Immunoglobulin subtype 2	Domain
B [auth H], D [auth I]	IPR013106	Immunoglobulin V-set domain	Domain
B [auth H], D [auth I]	IPR007110	Immunoglobulin-like domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.