Crystal structure of a motavizumab epitope-scaffold bound to motavizumab Fab
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| C [auth B] | Radical_SAM | e3qwoB1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Radical_SAM | ECOD (v294.1) |
| A [auth L] | Radical_SAM | e3qwoL1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Radical_SAM | ECOD (v294.1) |
| F [auth P] | Radical_SAM | e3qwoP1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Radical_SAM | ECOD (v294.1) |
| E [auth C] | Helicase_C | e3qwoC1 | A: a/b three-layered sandwiches | X: Cupredoxin-like | H: Cupredoxin-related | T: Cupredoxin-related | F: Helicase_C | ECOD (v294.1) |
| D [auth A] | Radical_SAM | e3qwoA1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Radical_SAM | ECOD (v294.1) |
| B [auth H] | Radical_SAM | e3qwoH1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: Radical_SAM | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| C [auth B] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| A [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| F [auth P] | 1.20.5.420 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Immunoglobulin FC, subunit C | CATH (4.3.0) |
| E [auth C] | 1.20.5.420 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Immunoglobulin FC, subunit C | CATH (4.3.0) |
| D [auth A] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| B [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
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 L], C [auth B] | motavizumab Fab | L-KAPPA | Humanized (humanized) | IGKV1-5*01, IGKJ4*01, IGKJ4*02, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202613-0) |
| B [auth H], D [auth A] | motavizumab Fab | VH-CH1 | Humanized (humanized) | IGHV2-70*01, IGHV2-70*13, IGHJ6*03, IGHG1*01, IGHG1*02, IGHG1*04 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202613-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| A [auth L], C [auth B] | Light Chain | IGKV1 | Kappa | motavizumab epitope scaffold | SAbDab (2026-04-10) |
| B [auth H], D [auth A] | Heavy Chain | IGHV2 | - | motavizumab epitope scaffold | SAbDab (2026-04-10) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| A [auth L], C [auth B] | Motavizumab | Respiratory Syncytial Virus Glycoprotein F | Therapeutic SAbDab (2026-04-10) |
| B [auth H], D [auth A] | Motavizumab | Respiratory Syncytial Virus Glycoprotein F | Therapeutic SAbDab (2026-04-10) |














