4HKB | pdb_00004hkb

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
G [auth N]	e4hkbN5	A: Fusion glycoprotein F2	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: V-set	F:	ECOD (20:10:01)
H [auth B]	e4hkbB1	A: HTH	X: HTH	H: winged helix domain	T: tRNA-synt_His	F:	ECOD (20:10:01)
I [auth D]	e4hkbD3	A: Fusion glycoprotein F2	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: Glyco_hydro_39	F:	ECOD (20:10:01)
J [auth F]	e4hkbF5	A: Fusion glycoprotein F2	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: V-set	F:	ECOD (20:10:01)
K [auth H]	e4hkbH1	A: HTH	X: HTH	H: winged helix domain	T: tRNA-synt_His	F:	ECOD (20:10:01)
L [auth K]	e4hkbK1	A: Globin-like	X: Globin-like	H: Globin-like	T: TGT	F:	ECOD (20:10:01)
L [auth K]	e4hkbK3	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: Ig_2	F:	ECOD (20:10:01)
A [auth J]	e4hkbJ3	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
B [auth A]	e4hkbA3	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
C	e4hkbC3	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
D [auth E]	e4hkbE3	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
E [auth G]	e4hkbG3	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
F [auth I]	e4hkbI3	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
G [auth N]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
I [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
J [auth F]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
K [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
L [auth K]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth J]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth E]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E [auth G]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F [auth I]	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
G [auth N], H [auth B], I [auth D], J [auth F], K [auth H], G [auth N], H [auth B], I [auth D], J [auth F], K [auth H], L [auth K]	CH67 Fab	L-LAMBDA	Homo sapiens (human)	IGLV3-2102, IGLJ201, IGLJ301, IGLC201, IGLC202, IGLC304	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202609-0)
A [auth J], B [auth A], C, D [auth E], E [auth G], A [auth J], B [auth A], C, D [auth E], E [auth G], F [auth I]	CH67 Fab	VH-CH1	Homo sapiens (human)	IGHV1-204, IGHJ101, IGHG1*03	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202609-0)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
G [auth N], H [auth B], I [auth D], J [auth F], K [auth H], G [auth N], H [auth B], I [auth D], J [auth F], K [auth H], L [auth K]	Light Chain	IGLV3	Lambda	-	SAbDab (2026-03-13)
A [auth J], B [auth A], C, D [auth E], E [auth G], A [auth J], B [auth A], C, D [auth E], E [auth G], F [auth I]	Heavy Chain	IGHV1	-	-	SAbDab (2026-03-13)