Crystal structure of homo-specific diabody


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ld5gs1l1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Kd5gs1k1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Jd5gs1j1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Id5gs1i1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Hd5gs1h2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Hd5gs1h1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Gd5gs1g2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Gd5gs1g1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Fd5gs1f1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ed5gs1e1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Dd5gs1d1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Cd5gs1c1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Rd5gs1r_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Pd5gs1p_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Nd5gs1n_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Bd5gs1b_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Qd5gs1q_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Od5gs1o_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Md5gs1m_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ad5gs1a_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
LAvidine5gs1L1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
KAvidine5gs1K1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
JAvidine5gs1J1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
IAvidine5gs1I1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
HAvidine5gs1H1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
GAvidine5gs1G1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
FAvidine5gs1F1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
EAvidine5gs1E1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
DAvidine5gs1D1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
CAvidine5gs1C1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
RAvidine5gs1R1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
PAvidine5gs1P1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
NAvidine5gs1N1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
BAvidine5gs1B1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
QAvidine5gs1Q1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
OAvidine5gs1O1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
MAvidine5gs1M1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)
AAvidine5gs1A1 A: beta barrelsX: ALDH-likeH: ALDH-likeT: ALDH-likeF: AvidinECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
L2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
K2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
J2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
I2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
H2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
G2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
F2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
R2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
P2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
N2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
Q2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
O2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
M2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
C, D, E, F, G
scFv diabody SCFV-HEAVY-KAPPA Homo sapiens (human) IGHV3-66*01, IGHV3-66*02, IGHV3-66*04, IGHV3-23*04, IGHJ1*01, IGKV3-11*01, IGKJ1*01 V-DOMAIN VH, V-DOMAIN V-KAPPA IG SCFV-HEAVY-KAPPA IMGT (202617-0)
B, N, P, R
Fv diabody VH Homo sapiens (human) IGHV3-66*01, IGHV3-66*02, IGHV3-66*04, IGHV3-23*04, IGHJ1*01 V-DOMAIN VH IG FV-HEAVY_KAPPA IMGT (202617-0)
A, M, O, Q
Fv diabody V-KAPPA Homo sapiens (human) IGKV3-11*01, IGKJ1*01 V-DOMAIN V-KAPPA IG FV-HEAVY_KAPPA IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B, N, P, R
Heavy ChainIGHV3 --SAbDab (2026-05-08)
A, M, O, Q
Light ChainIGKV3 Kappa-SAbDab (2026-05-08)