Cryo-EM structure of Dengue virus serotype 2 complexed with Fab SIgN-3C at pH 6.5
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| I [auth H] | V-set_8 | e7bubH1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| A [auth G] | V-set_8 | e7bubG1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| J [auth L] | V-set | e7bubL1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| B [auth I] | V-set | e7bubI1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| G [auth C] | Flavi_glycop_C | e7bubC2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Flavi_glycop_C | ECOD (1.6) |
| G [auth C] | Flavi_glycoprot | e7bubC3 | A: beta complex topology | X: Viral glycoprotein, central and dimerisation domains-like | H: Viral glycoprotein, central and dimerisation domains (From Topology) | T: Viral glycoprotein, central and dimerisation domains | F: Flavi_glycoprot | ECOD (1.6) |
| G [auth C] | flavi_E_stem | e7bubC1 | A: alpha arrays | X: Transmembrane domain of envelope protein E (From Topology) | H: Transmembrane domain of envelope protein E (From Topology) | T: Transmembrane domain of envelope protein E | F: flavi_E_stem | ECOD (1.6) |
| E [auth A] | Flavi_glycop_C | e7bubA3 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Flavi_glycop_C | ECOD (1.6) |
| E [auth A] | Flavi_glycoprot | e7bubA1 | A: beta complex topology | X: Viral glycoprotein, central and dimerisation domains-like | H: Viral glycoprotein, central and dimerisation domains (From Topology) | T: Viral glycoprotein, central and dimerisation domains | F: Flavi_glycoprot | ECOD (1.6) |
| E [auth A] | flavi_E_stem | e7bubA2 | A: alpha arrays | X: Transmembrane domain of envelope protein E (From Topology) | H: Transmembrane domain of envelope protein E (From Topology) | T: Transmembrane domain of envelope protein E | F: flavi_E_stem | ECOD (1.6) |
| C [auth B] | Flavi_glycop_C | e7bubB1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Flavi_glycop_C | ECOD (1.6) |
| C [auth B] | Flavi_glycoprot | e7bubB3 | A: beta complex topology | X: Viral glycoprotein, central and dimerisation domains-like | H: Viral glycoprotein, central and dimerisation domains (From Topology) | T: Viral glycoprotein, central and dimerisation domains | F: Flavi_glycoprot | ECOD (1.6) |
| C [auth B] | flavi_E_stem | e7bubB2 | A: alpha arrays | X: Transmembrane domain of envelope protein E (From Topology) | H: Transmembrane domain of envelope protein E (From Topology) | T: Transmembrane domain of envelope protein E | F: flavi_E_stem | ECOD (1.6) |
| H [auth F] | Flavi_M | e7bubF1 | A: extended segments | X: Small envelope protein M (From Topology) | H: Small envelope protein M (From Topology) | T: Small envelope protein M | F: Flavi_M | ECOD (1.6) |
| F [auth D] | Flavi_M | e7bubD1 | A: extended segments | X: Small envelope protein M (From Topology) | H: Small envelope protein M (From Topology) | T: Small envelope protein M | F: Flavi_M | ECOD (1.6) |
| D [auth E] | Flavi_M | e7bubE1 | A: extended segments | X: Small envelope protein M (From Topology) | H: Small envelope protein M (From Topology) | T: Small envelope protein M | F: Flavi_M | ECOD (1.6) |
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 G], I [auth H] | Fab SIgN-3C, anti-DEN, neutralizing | VH | - | IGHV1-46*01, IGHV1-46*03, IGHJ5*02 | V-DOMAIN VH | IG | FV-HEAVY_KAPPA | IMGT (202548-0) |
| B [auth I], J [auth L] | Fab SIgN-3C, anti-DEN, neutralizing | V-KAPPA | - | IGKV1-33*01, IGKV1D-33*01, IGKJ5*01 | V-DOMAIN V-KAPPA | IG | FV-HEAVY_KAPPA | IMGT (202548-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| A [auth G], I [auth H] | Heavy Chain | IGHV1 | - | dengue virus serotype2 e protein, dengue virus serotype2 e protein | dengue virus serotype2 e protein | SAbDab (2025-12-12) |
| B [auth I], J [auth L] | Light Chain | IGKV1 | Kappa | dengue virus serotype2 e protein, dengue virus serotype2 e protein | dengue virus serotype2 e protein | SAbDab (2025-12-12) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| C [auth B], E [auth A], G [auth C] | PF00869 | Flavivirus glycoprotein, central and dimerisation domains (Flavi_glycoprot) | Flavivirus glycoprotein, central and dimerisation domains | Domain | |
| C [auth B], E [auth A], G [auth C] | PF21659 | Flavivirus envelope glycoprotein E, stem/anchor domain (Flavi_E_stem) | Flavivirus envelope glycoprotein E, stem/anchor domain | This entry represents the stem/anchor domain found at the C-terminal of envelope glycoprotein E from Flavivirus. This domain comprises a stem region followed by two transmembrane anchor domains [1-5]. | Domain |
| C [auth B], E [auth A], G [auth C] | PF02832 | Flavivirus glycoprotein, immunoglobulin-like domain (Flavi_glycop_C) | Flavivirus glycoprotein, immunoglobulin-like domain | Domain | |
| D [auth E], F [auth D], H [auth F] | PF01004 | Flavivirus envelope glycoprotein M (Flavi_M) | Flavivirus envelope glycoprotein M | - | Family |














