Crystal structure of murine reference antibody 125-2H Fab fragment
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) |
|---|---|---|---|---|---|---|---|---|
| D [auth M] | e2vxuM1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: YgbB | F: | ECOD (20:10:01) | |
| C [auth L] | e2vxuL1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: YgbB | F: | ECOD (20:10:01) | |
| B [auth I] | e2vxuI1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: YgbB | F: | ECOD (20:10:01) | |
| A [auth H] | e2vxuH1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: YgbB | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| D [auth M] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| C [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| B [auth I] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| A [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 |
|---|---|---|---|---|---|---|---|---|
| C [auth L], D [auth M] | 125-2H Fab | L-KAPPA | Mus musculus (house mouse) | IGKV9-120*01, IGKJ2*01, IGKC*01, IGKC*02 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) |
| A [auth H], B [auth I] | 125-2H Fab | VH-CH1 | Mus musculus (house mouse) | IGHV1S135*01, IGHJ3*01, IGHG1*02 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| C [auth L], D [auth M] | Light Chain | IGKV9 | Kappa | - | SAbDab (2026-03-13) |
| A [auth H], B [auth I] | Heavy Chain | IGHV1 | - | - | SAbDab (2026-03-13) |














