Annotations: 9LRA

Killer immunoglobulin receptor KIR2DL2 in complex with Pan2D Fab

External Resource: Annotation

Domain Annotation: SCOP2 Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth K]	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054835	3000071	SCOP2B (2022-06-29)
A [auth K]	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8055600	3000071	SCOP2B (2022-06-29)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth H]	Heavy Chain	IGHV1	-	killer cell immunoglobulin-like receptor 2dl2	SAbDab (2026-05-08)
B [auth L]	Light Chain	IGKV4	Kappa	killer cell immunoglobulin-like receptor 2dl2	SAbDab (2026-05-08)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth K]	PF00047	Immunoglobulin domain (ig)	Immunoglobulin domain	Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-prote ...	Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-protein and protein-ligand interactions.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth H]	Pan2D FAB FRAGMENT HEAVY CHAIN	-	-	-
B [auth L]	Pan2D FAB FRAGMENT LIGHT CHAIN	-	-	-
A [auth K]	Killer cell immunoglobulin-like receptor 2DL2	-	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling immune response biological regulation cell communication immune response-regulating signaling pathway regulation of response to stimulus immune system process regulation of immune response cellular process regulation of immune system process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling immune response biological regulation cell communication immune response-regulating signaling pathway regulation of response to stimulus immune system process regulation of immune response cellular process regulation of immune system process signal transduction	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth K]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A [auth K]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A [auth K]	IPR003599	Immunoglobulin domain subtype	Domain
A [auth K]	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
A [auth K]	IPR050412	Immunoglobulin-like Receptors in Immune Regulation	Family

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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.