4K3E

Crystal structure of bovine antibody BLV5B8 with ultralong CDR H3

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth L]	d4k3el1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	bovine (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
D [auth M]	d4k3em1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	bovine (Bos taurus ) [TaxId: 9913 ],	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 I]	V-set_8	e4k3eI4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
C [auth I]	C1-set_1	e4k3eI3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
A [auth H]	V-set_8	e4k3eH2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
A [auth H]	C1-set_1	e4k3eH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
B [auth L]	C1-set	e4k3eL1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (1.6)
D [auth M]	C1-set	e4k3eM1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [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)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth M]	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 H], C [auth I]	Bovine antibody with ultralong CDR H3	VH	Bos taurus (bovine)	IGHV1S301, IGHV1S401	V-DOMAIN VH	IG	(VH)	IMGT (202442-0)
B [auth L], D [auth M]	Bovine antibody with ultralong CDR H3	L-LAMBDA	Bos taurus (bovine)	IGLV1-9801, TRAJ2201, IGLC102, IGLC201, IGLC202, IGLC302, IGLC303, IGLC304, IGLC601, IGLC701, IGLC7*02	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	(VH)	IMGT (202442-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth H], C [auth I]	Heavy Chain	IGHV1	-	-	SAbDab (2024-10-25)
B [auth L], D [auth M]	Light Chain	IGLV1	Lambda	-	SAbDab (2024-10-25)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth L], D [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 L], D [auth M]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth L], D [auth M]	IPR003597	Immunoglobulin C1-set	Domain
B [auth L], D [auth M]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth L], D [auth M]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth L], D [auth M]	IPR013106	Immunoglobulin V-set domain	Domain
B [auth L], D [auth M]	IPR003599	Immunoglobulin domain subtype	Domain
B [auth L], D [auth M]	IPR007110	Immunoglobulin-like domain	Domain
B [auth L], D [auth M]	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
B [auth L], D [auth M]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A [auth H], C [auth I]	PCA	Parent Component: GLN RESID: AA0031 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420
B [auth L], D [auth M]	PCA	Parent Component: GLN RESID: AA0031 , AA0031 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420 , 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420

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.