9JQP | pdb_00009jqp

Cryo-EM structure of the HMBPP-primed BTN3A1-BTN3A2-BTN2A1 in complex with agonist antibody TH001

External Resource: Annotation


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8081005 3000071 SCOP2B (2022-06-29)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
D [auth H],
F [auth J]		Heavy ChainIGHV1 -butyrophilin subfamily 3 member a1, butyrophilin subfamily 3 member a2 | butyrophilin subfamily 2 member a1SAbDab (2025-12-19)
E [auth I],
G [auth K]		Light ChainIGKV1 Kappabutyrophilin subfamily 3 member a1, butyrophilin subfamily 3 member a2 | butyrophilin subfamily 2 member a1SAbDab (2025-12-19)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Domain
PF22705Butyrophilin subfamily 3 member A2-like, Ig-C domain (C2-set_3)Butyrophilin subfamily 3 member A2-like, Ig-C domainThis domain is found in human Butyrophilin subfamily 3 member A2 (BTN3A2), a protein that plays a role in T-cell responses in the adaptive immune response. BTN3A2 shows two extracellular domains: an N-terminal Ig-V like domain (Pfam:PF07686) and a C- ...This domain is found in human Butyrophilin subfamily 3 member A2 (BTN3A2), a protein that plays a role in T-cell responses in the adaptive immune response. BTN3A2 shows two extracellular domains: an N-terminal Ig-V like domain (Pfam:PF07686) and a C-terminal Ig-C type domain that is located in the centre of the protein sequence [6].
Domain
C [auth E]PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Domain
C [auth E]PF22705Butyrophilin subfamily 3 member A2-like, Ig-C domain (C2-set_3)Butyrophilin subfamily 3 member A2-like, Ig-C domainThis domain is found in human Butyrophilin subfamily 3 member A2 (BTN3A2), a protein that plays a role in T-cell responses in the adaptive immune response. BTN3A2 shows two extracellular domains: an N-terminal Ig-V like domain (Pfam:PF07686) and a C- ...This domain is found in human Butyrophilin subfamily 3 member A2 (BTN3A2), a protein that plays a role in T-cell responses in the adaptive immune response. BTN3A2 shows two extracellular domains: an N-terminal Ig-V like domain (Pfam:PF07686) and a C-terminal Ig-C type domain that is located in the centre of the protein sequence [6].
Domain
PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Domain
PF22705Butyrophilin subfamily 3 member A2-like, Ig-C domain (C2-set_3)Butyrophilin subfamily 3 member A2-like, Ig-C domainThis domain is found in human Butyrophilin subfamily 3 member A2 (BTN3A2), a protein that plays a role in T-cell responses in the adaptive immune response. BTN3A2 shows two extracellular domains: an N-terminal Ig-V like domain (Pfam:PF07686) and a C- ...This domain is found in human Butyrophilin subfamily 3 member A2 (BTN3A2), a protein that plays a role in T-cell responses in the adaptive immune response. BTN3A2 shows two extracellular domains: an N-terminal Ig-V like domain (Pfam:PF07686) and a C-terminal Ig-C type domain that is located in the centre of the protein sequence [6].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Butyrophilin subfamily 3 member A1
D [auth H],
F [auth J]		BTN3A agonist antibody TH001, variable domain of heavy chain---
E [auth I],
G [auth K]		BTN3A agonist antibody TH001, variable domain of light chain---
C [auth E]Butyrophilin subfamily 2 member A1
Butyrophilin subfamily 3 member A2

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR001870B30.2/SPRY domainDomain
IPR006574SPRY-associatedDomain
IPR003879Butyrophylin-like, SPRY domainDomain
IPR013320Concanavalin A-like lectin/glucanase domain superfamilyHomologous Superfamily
IPR053896Butyrophilin subfamily 3 member A2-like, Ig-C domainDomain
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR013106Immunoglobulin V-set domainDomain
IPR050504Immunoglobulin superfamily BTN/MOG domain-containing proteinFamily
IPR003599Immunoglobulin domain subtypeDomain
IPR043136B30.2/SPRY domain superfamilyHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR037954Butyrophilin subfamily 3, PRY/SPRY domainDomain
IPR003877SPRY domainDomain
C [auth E]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
C [auth E]IPR001870B30.2/SPRY domainDomain
C [auth E]IPR006574SPRY-associatedDomain
C [auth E]IPR037958Butyrophilin subfamily 1/2, SPRY/PRY domainDomain
C [auth E]IPR003879Butyrophylin-like, SPRY domainDomain
C [auth E]IPR013320Concanavalin A-like lectin/glucanase domain superfamilyHomologous Superfamily
C [auth E]IPR053896Butyrophilin subfamily 3 member A2-like, Ig-C domainDomain
C [auth E]IPR013783Immunoglobulin-like foldHomologous Superfamily
C [auth E]IPR013106Immunoglobulin V-set domainDomain
C [auth E]IPR050504Immunoglobulin superfamily BTN/MOG domain-containing proteinFamily
C [auth E]IPR003599Immunoglobulin domain subtypeDomain
C [auth E]IPR043136B30.2/SPRY domain superfamilyHomologous Superfamily
C [auth E]IPR007110Immunoglobulin-like domainDomain
C [auth E]IPR003877SPRY domainDomain
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR053896Butyrophilin subfamily 3 member A2-like, Ig-C domainDomain
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR013106Immunoglobulin V-set domainDomain
IPR050504Immunoglobulin superfamily BTN/MOG domain-containing proteinFamily
IPR003599Immunoglobulin domain subtypeDomain
IPR007110Immunoglobulin-like domainDomain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
Pharos:  O00481
C [auth E]Pharos:  Q7KYR7
Pharos:  P78410