Annotations: 4N9G

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
J [auth N]	MreC	e4n9gN1	A: beta barrels	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (v294.2)
H [auth L]	MreC	e4n9gL1	A: beta barrels	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (v294.2)
F	MreC	e4n9gF1	A: beta barrels	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (v294.2)
B	NusG_II	e4n9gB1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: NusG_II	ECOD (v294.2)
I [auth M]	MreC	e4n9gM1	A: beta barrels	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (v294.2)
G [auth H]	MreC	e4n9gH1	A: beta barrels	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (v294.2)
E	MreC	e4n9gE1	A: beta barrels	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (v294.2)
A	NusG_II	e4n9gA1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: NusG_II	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
J [auth N]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
I [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E	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, F, H [auth L], J [auth N]	17HD9 Fab	L-KAPPA	Homo sapiens (human)	IGKV1-1601, IGKJ101, IGKC*01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202618-0)
A, E, G [auth H], I [auth M]	17HD9 Fab	VH-CH1	Homo sapiens (human)	IGHV4-3409, IGHV4-5901, IGHV4-5902, IGHV4-5908, IGHV4-408, IGHJ301, IGHG1*03	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202618-0)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, F, H [auth L], J [auth N]	Light Chain	IGKV1	Kappa	epitope scaffold rsv_1isea_ffl_001_c	SAbDab (2026-05-15)
A, E, G [auth H], I [auth M]	Heavy Chain	IGHV4	-	epitope scaffold rsv_1isea_ffl_001_c	SAbDab (2026-05-15)

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.

4N9G | pdb_00004n9g