Phage display derived serum albumin binding knob domain engineered within a novel VH framework 3 bispecific antibody format


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BFlavodoxin_2e8c7vB1 A: alpha arraysX: RNase A-likeH: RNase A-likeT: RNase A-likeF: Flavodoxin_2ECOD (v295)
DFlavodoxin_2e8c7vD1 A: alpha arraysX: RNase A-likeH: RNase A-likeT: RNase A-likeF: Flavodoxin_2ECOD (v295)
FFlavodoxin_2e8c7vF1 A: alpha arraysX: RNase A-likeH: RNase A-likeT: RNase A-likeF: Flavodoxin_2ECOD (v295)
Ae8c7vA1 A: alpha arraysX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF:ECOD (v295)
CFlavodoxin_2e8c7vC1 A: alpha arraysX: RNase A-likeH: RNase A-likeT: RNase A-likeF: Flavodoxin_2ECOD (v295)
EFlavodoxin_2e8c7vE1 A: alpha arraysX: RNase A-likeH: RNase A-likeT: RNase A-likeF: Flavodoxin_2ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
F2.60.40.10 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)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B, D, F
Light ChainIGKV1 Kappa-SAbDab (2026-06-26)
A, C, E
Heavy ChainIGHV3 --SAbDab (2026-06-26)