LT1009 humanized antibody Fab fragment in complex with calcium
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | d6vrtl2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | Mouse (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) |
| B [auth L] | d6vrtl1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | Mouse (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) |
| A [auth H] | d6vrth_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | Mouse (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | Glyco_transf_34 | e6vrtL1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | F: Glyco_transf_34 | ECOD (v294.1) |
| A [auth H] | Glyco_transf_34 | e6vrtH1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | F: Glyco_transf_34 | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| B [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
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 |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | Fab Sonepcizumab | L-KAPPA | Homo sapiens (human) | IGKV1-6*01, IGKV1-6*02, IGKJ2*01, IGKJ2*02, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202615-0) |
| A [auth H] | Fab Sonepcizumab | VH-CH1 | Homo sapiens (human) | IGHV5-51*01, IGHV5-51*03, IGHJ3*01, IGHJ3*02, IGHG1*03, IGHG1*08, IGHG1*06 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202615-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth L] | Light Chain | IGKV17 | Kappa | - | SAbDab (2026-04-24) |
| A [auth H] | Heavy Chain | IGHV5 | - | - | SAbDab (2026-04-24) |














