Annotations: 8W9J

Crystal structure of human CLEC12A ectodomain complexed with 50C1 Fab

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E [auth C]	Cytochrom_B559a	e8w9jC01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Cytochrom_B559a	ECOD (v295)
F [auth D]		e8w9jD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
B [auth H]		e8w9jH1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
D [auth B]		e8w9jB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
C [auth A]		e8w9jA1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
A [auth L]		e8w9jL1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H], D [auth B]	Heavy Chain	IGHV1	-	c-type lectin domain family 12 member a	SAbDab (2026-06-26)
A [auth L], C [auth A]	Light Chain	IGKV3	Kappa	c-type lectin domain family 12 member a	SAbDab (2026-06-26)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth C], F [auth D]	PF00059	Lectin C-type domain (Lectin_C)	Lectin C-type domain	This family includes both long and short form C-type	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth C], F [auth D]	C-type lectin domain family 12 member A	binding carbohydrate binding molecular function regulator activity signaling receptor regulator activity molecular transducer activity pattern recognition receptor activity signaling receptor activity transmembrane signaling receptor activity	neutrophil activation multicellular organismal process regulation of cellular process regulation of leukocyte activation regulation of neutrophil activation negative regulation of biological process negative regulation of neutrophil activation regulation of cell activation myeloid leukocyte activation leukocyte activation negative regulation of cellular process regulation of immune system process regulation of multicellular organismal process regulation of biological process neutrophil activation multicellular organismal process regulation of cellular process regulation of leukocyte activation regulation of neutrophil activation negative regulation of biological process negative regulation of neutrophil activation regulation of cell activation myeloid leukocyte activation leukocyte activation negative regulation of cellular process regulation of immune system process regulation of multicellular organismal process regulation of biological process cell activation biological regulation negative regulation of cell activation negative regulation of immune system process immune system process cellular process negative regulation of multicellular organismal process negative regulation of leukocyte activation granulocyte activation lymphocyte activation negative regulation of lymphocyte activation negative regulation of natural killer cell activation regulation of natural killer cell activation natural killer cell activation regulation of lymphocyte activation response to stimulus immune response negative regulation of response to stimulus negative regulation of immune response regulation of response to stimulus regulation of immune response regulation of defense response regulation of response to external stimulus negative regulation of inflammatory response defense response response to external stimulus regulation of inflammatory response response to stress negative regulation of response to external stimulus regulation of response to stress negative regulation of defense response inflammatory response positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process cytokine production regulation of cytokine production positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process positive regulation of type I interferon production type I interferon production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process regulation of type I interferon production regulation of leukocyte differentiation cellular developmental process regulation of developmental process negative regulation of dendritic cell differentiation cell development mononuclear cell differentiation regulation of cell differentiation regulation of cell development multicellular organism development cell differentiation anatomical structure development negative regulation of cell differentiation negative regulation of hemopoiesis developmental process regulation of multicellular organismal development negative regulation of leukocyte differentiation hemopoiesis negative regulation of developmental process regulation of dendritic cell differentiation negative regulation of cell development regulation of hemopoiesis dendritic cell differentiation leukocyte differentiation cellular response to stimulus signaling signal transduction cell communication	membrane-bounded organelle intracellular anatomical structure tertiary granule membrane membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle membrane-bounded organelle intracellular anatomical structure tertiary granule membrane membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane specific granule membrane specific granule cell periphery plasma membrane
B [auth H], D [auth B]	Anti-human CLEC12A antibody 50C1 heavy chain	-	-	-
A [auth L], C [auth A]	Anti-human CLEC12A antibody 50C1 light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth C], F [auth D]	IPR016187	C-type lectin fold	Homologous Superfamily
E [auth C], F [auth D]	IPR001304	C-type lectin-like	Domain
E [auth C], F [auth D]	IPR016186	C-type lectin-like/link domain superfamily	Homologous Superfamily
E [auth C], F [auth D]	IPR033992	Natural killer cell receptor-like, C-type lectin-like domain	Domain
E [auth C], F [auth D]	IPR042916	C-type lectin domain family 12 member A/B	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
E [auth C], F [auth D]	: Q5QGZ9	rheumatoid arthritis interstitial cystitis osteosarcoma tuberculosis lung carcinoma ovarian cancer non-small cell lung carcinoma

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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.