Annotations: 5NIV

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d5nivb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d5nivb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d5niva2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d5niva1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Acetyltransf_1	e5nivB1	A: a/b three-layered sandwiches	X: Beta domain of coronavirus spike glycoprotein	H: HAMP domain	T: Polymerase basic protein 2 cap-binding domain	F: Acetyltransf_1	ECOD (v294.1)
A	Acetyltransf_1	e5nivA1	A: a/b three-layered sandwiches	X: Beta domain of coronavirus spike glycoprotein	H: HAMP domain	T: Polymerase basic protein 2 cap-binding domain	F: Acetyltransf_1	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B	Fab 5D3	VH-CH1	Mus musculus (house mouse)	IGHV3-202, IGHJ401, IGHG2A01, IGHG2A02	V-DOMAIN VH, C-DOMAIN CH1	IG	(VH-CH1)_L-KAPPA	IMGT (202615-0)
A	Fab 5D3	L-KAPPA	Mus musculus (house mouse)	IGKV13-8401, IGLJ101, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	(VH-CH1)_L-KAPPA	IMGT (202615-0)