Structure of 2Q1-Fab, an antibody selective for IDH2R140Q-HLA-B*07:02


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Bd7kgub_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
G [auth H]d7kguh_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Fd7kguf_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Dd7kgud_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ad7kgua2 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)
Ad7kgua1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Cd7kguc2 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)
Cd7kguc1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ed7kgue2 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)
Ed7kgue1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
H [auth L]d7kgul2 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)
H [auth L]d7kgul1 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

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
Bzf-CCHCe7kguB1 A: beta barrelsX: DNA methylase specificity domainH: BromodomainT: BromodomainF: zf-CCHCECOD (v294.2)
G [auth H]14-3-3e7kguH1 A: beta barrelsX: DNA methylase specificity domainH: BromodomainT: BromodomainF: 14-3-3ECOD (v294.2)
F14-3-3e7kguF1 A: beta barrelsX: DNA methylase specificity domainH: BromodomainT: BromodomainF: 14-3-3ECOD (v294.2)
D14-3-3e7kguD1 A: beta barrelsX: DNA methylase specificity domainH: BromodomainT: BromodomainF: 14-3-3ECOD (v294.2)
Azf-CCHCe7kguA1 A: beta barrelsX: DNA methylase specificity domainH: BromodomainT: BromodomainF: zf-CCHCECOD (v294.2)
C14-3-3e7kguC1 A: beta barrelsX: DNA methylase specificity domainH: BromodomainT: BromodomainF: 14-3-3ECOD (v294.2)
E14-3-3e7kguE1 A: beta barrelsX: DNA methylase specificity domainH: BromodomainT: BromodomainF: 14-3-3ECOD (v294.2)
H [auth L]14-3-3e7kguL1 A: beta barrelsX: DNA methylase specificity domainH: BromodomainT: BromodomainF: 14-3-3ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
G [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
F2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
H [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B,
D,
F,
G [auth H]
Heavy ChainIGHV3 --SAbDab (2026-05-15)
A,
C,
E,
H [auth L]
Light ChainIGKV1 Kappa-SAbDab (2026-05-15)