1R70 | pdb_00001r70

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	tRNA-synt_1b	e1r70C1	A: beta barrels	X: HTH	H: Nudix	T: winged helix domain	F: tRNA-synt_1b	ECOD (v294.2)
A	tRNA-synt_1b	e1r70A1	A: beta barrels	X: HTH	H: Nudix	T: winged helix domain	F: tRNA-synt_1b	ECOD (v294.2)
D	tRNA-synt_1b	e1r70D1	A: beta barrels	X: HTH	H: Nudix	T: winged helix domain	F: tRNA-synt_1b	ECOD (v294.2)
D	RhaA	e1r70D3	A: beta barrels	X: jelly-roll	H: Double-stranded beta-helix	T: Double-stranded beta-helix	F: RhaA	ECOD (v294.2)
B	tRNA-synt_1b	e1r70B1	A: beta barrels	X: HTH	H: Nudix	T: winged helix domain	F: tRNA-synt_1b	ECOD (v294.2)
B	RhaA	e1r70B3	A: beta barrels	X: jelly-roll	H: Double-stranded beta-helix	T: Double-stranded beta-helix	F: RhaA	ECOD (v294.2)

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A, C	IgA2 (m1)	L-KAPPA	Homo sapiens (human)	IGKV1-1302, IGKV1D-1302, IGKJ401, IGKJ402, IGKC*01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	IG-ALPHA-2_KAPPA	IMGT (202617-0)
B, D	IgA2 (m1)	H-ALPHA-2	Homo sapiens (human)	IGHV1-301, IGHJ401, IGHJ402, IGHJ403, IGHA2*01	V-DOMAIN VH, C-DOMAIN CH1, C-DOMAIN CH2, C-DOMAIN CH3	IG	IG-ALPHA-2_KAPPA	IMGT (202617-0)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A, C	Light Chain	IGKV1	Kappa	-	SAbDab (2026-05-08)
B, D	Heavy Chain	IGHV1	-	-	SAbDab (2026-05-08)

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.