Annotations: 7KBA

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth L]	LbH_EIF2B	e7kbaL1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (develop294)
B	RNase_H	e7kbaB1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: RNase_H	ECOD (develop294)
A	LbH_EIF2B	e7kbaA1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (develop294)
C [auth H]	RNase_H	e7kbaH1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: RNase_H	ECOD (develop294)

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

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, D [auth L]	Light Chain	IGKV1	Kappa	-	SAbDab (2026-03-20)
A, C [auth H]	Heavy Chain	IGHV3	-	-	SAbDab (2026-03-20)

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