Annotations: 7YD3

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H [auth F]	Serpin	e7yd3F1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Serpin	ECOD (v295)
F [auth D]	NAD_binding_1	e7yd3D1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: NAD_binding_1	ECOD (v295)
D [auth B]	Serpin	e7yd3B1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Serpin	ECOD (v295)
B [auth L]	Serpin	e7yd3L1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Serpin	ECOD (v295)
G [auth E]	Serpin	e7yd3E1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Serpin	ECOD (v295)
E [auth C]	Serpin	e7yd3C1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Serpin	ECOD (v295)
C [auth A]	NAD_binding_1	e7yd3A1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: NAD_binding_1	ECOD (v295)
A [auth H]	Serpin	e7yd3H1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Serpin	ECOD (v295)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H [auth F]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
F [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
D [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
G [auth E]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
E [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A [auth H]	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 [auth L], D [auth B], F [auth D], H [auth F]	Light Chain	IGLV2	Lambda	-	SAbDab (2026-06-26)
A [auth H], C [auth A], E [auth C], G [auth E]	Heavy Chain	IGHV7	-	-	SAbDab (2026-06-26)

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.

7YD3 | pdb_00007yd3