Annotations: 8U32

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8059477	3000071	SCOP2B (2021-05-27)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8059477	3000071	SCOP2B (2021-05-27)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, E	Light Chain	IGKV1	Kappa	programmed cell death protein 1	SAbDab (2024-07-12)
C, F	Heavy Chain	IGHV3	-	programmed cell death protein 1	SAbDab (2024-07-12)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D	Programmed cell death protein 1	-	response to stimulus immune response immune system process adaptive immune response humoral immune response lymphocyte apoptotic process leukocyte apoptotic process B cell apoptotic process cellular process apoptotic process cell death programmed cell death regulation of biological process negative regulation of response to stimulus response to stimulus immune response immune system process adaptive immune response humoral immune response lymphocyte apoptotic process leukocyte apoptotic process B cell apoptotic process cellular process apoptotic process cell death programmed cell death regulation of biological process negative regulation of response to stimulus negative regulation of immune response biological regulation negative regulation of biological process regulation of response to stimulus negative regulation of immune system process regulation of immune response regulation of immune system process immune system development developmental process multicellular organismal process regulation of developmental process negative regulation of developmental process multicellular organism development anatomical structure development negative regulation of tolerance induction regulation of multicellular organismal process regulation of tolerance induction negative regulation of multicellular organismal process tolerance induction system development T cell apoptotic process regulatory T cell apoptotic process regulation of leukocyte apoptotic process regulation of lymphocyte apoptotic process regulation of cellular process positive regulation of programmed cell death positive regulation of lymphocyte apoptotic process regulation of apoptotic process positive regulation of biological process regulation of programmed cell death positive regulation of apoptotic process positive regulation of T cell apoptotic process regulation of T cell apoptotic process positive regulation of leukocyte apoptotic process positive regulation of cellular process regulation of B cell apoptotic process negative regulation of programmed cell death negative regulation of B cell apoptotic process negative regulation of apoptotic process negative regulation of leukocyte apoptotic process negative regulation of cellular process negative regulation of lymphocyte apoptotic process	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane
B, E	Fab light chain	-	-	-
C, F	Fab heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, D	IPR003599	Immunoglobulin subtype	Domain
A, D	IPR042379	Programmed cell death protein 1	Family
A, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, D	IPR013106	Immunoglobulin V-set domain	Domain
A, D	IPR007110	Immunoglobulin-like domain	Domain

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 R01GM133198.