Annotations: 4NHH

Structure of 2G12 IgG Dimer

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
R [auth N]	p450	e4nhhN1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
Q [auth J]	p450	e4nhhJ1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
L [auth D]	p450	e4nhhD1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
K [auth C]	p450	e4nhhC1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
F [auth B]	p450	e4nhhB1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
E [auth A]	p450	e4nhhA1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
P [auth R]	p450	e4nhhR1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
N [auth O]	p450	e4nhhO1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
J [auth I]	p450	e4nhhI1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
H [auth E]	p450	e4nhhE1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
D [auth M]	p450	e4nhhM1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
B [auth H]	p450	e4nhhH1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
O [auth P]	p450	e4nhhP1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
M [auth Q]	p450	e4nhhQ1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
I [auth F]	p450	e4nhhF1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
G	p450	e4nhhG1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
C [auth K]	p450	e4nhhK1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)
A [auth L]	p450	e4nhhL1	A: alpha arrays	X: DEATH domain	H: 6-phosphogluconate dehydrogenase C-terminal domain-like	T: 6-phosphogluconate dehydrogenase C-terminal domain-like	F: p450	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth L], C [auth K], G, I [auth F], M [auth Q], A [auth L], C [auth K], G, I [auth F], M [auth Q], O [auth P]	Light Chain	IGKV1	Kappa	2g12 igg dimer heavy chain	SAbDab (2026-08-28)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], R [auth N]	2G12 IgG dimer heavy chain	-	response to stimulus immune response immune system process adaptive immune response	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex immunoglobulin complex extracellular region
B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], P [auth R]	Hepatitis B virus receptor binding protein	-	response to stimulus immune response immune system process adaptive immune response	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex immunoglobulin complex extracellular region
A [auth L], C [auth K], G, I [auth F], M [auth Q], A [auth L], C [auth K], G, I [auth F], M [auth Q], O [auth P]	2G12 IgG dimer light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], R [auth N]	IPR003597	Immunoglobulin C1-set	Domain
E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], R [auth N]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], R [auth N]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], R [auth N]	IPR007110	Immunoglobulin-like domain	Domain
E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], R [auth N]	IPR050380	Immune Recognition and Response Modulators	Family
E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], E [auth A], F [auth B], K [auth C], L [auth D], Q [auth J], R [auth N]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], P [auth R]	IPR003597	Immunoglobulin C1-set	Domain
B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], P [auth R]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], P [auth R]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], P [auth R]	IPR007110	Immunoglobulin-like domain	Domain
B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], P [auth R]	IPR050380	Immune Recognition and Response Modulators	Family
B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], B [auth H], D [auth M], H [auth E], J [auth I], N [auth O], P [auth R]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

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