Annotations: 4LFH

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth D]	d4lfhd1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth G]	d4lfhg2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth G]	d4lfhg1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth D]	C1-set_1	e4lfhD3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
A [auth D]	V-set_4	e4lfhD4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_4	ECOD (1.6)
B [auth G]	C1-set_1	e4lfhG1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
B [auth G]	V-set_3	e4lfhG2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth G]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A [auth D]	9C2 TR	TR-DELTA	Homo sapiens (human)	TRDV101, TRDJ101, TRDC*01	V-DOMAIN V-DELTA, C-DOMAIN C-DELTA	TR	TR-GAMMA-1_DELTA	IMGT (202442-0)
B [auth G]	9C2 TR	TR-GAMMA-1	Homo sapiens (human)	TRGV501, TRGJ101, TRGJ201, TRGC101, TRGC105, TRGC104	V-DOMAIN V-GAMMA, C-DOMAIN C-GAMMA-1	TR	TR-GAMMA-1_DELTA	IMGT (202442-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth 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
A [auth D]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
B [auth G]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth D]	9C2 TCR delta chain	-	-	-
B [auth G]	9C2 TCR gamma chain	binding small molecule binding	cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response biological regulation T cell receptor signaling pathway regulation of response to stimulus immune system process regulation of immune response cellular process antigen receptor-mediated signaling pathway activation of immune response adaptive immune response multicellular organismal process gamma-delta T cell activation T cell activation cell activation lymphocyte activation leukocyte activation	protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex gamma-delta T cell receptor complex cellular anatomical entity receptor complex cell periphery plasma membrane signaling receptor complex T cell receptor complex cell surface external side of plasma membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth D]	IPR003597	Immunoglobulin C1-set	Domain
A [auth D]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A [auth D]	IPR051755	Immunoglobulin-like Cell Surface Receptor	Family
A [auth D]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A [auth D]	IPR013106	Immunoglobulin V-set domain	Domain
A [auth D]	IPR003599	Immunoglobulin domain subtype	Domain
A [auth D]	IPR007110	Immunoglobulin-like domain	Domain
B [auth G]	IPR003597	Immunoglobulin C1-set	Domain
B [auth G]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth G]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth G]	IPR051117	T cell receptor gamma variable/constant region	Family
B [auth G]	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 R01GM157729.