Crystal structure of the Fab fragment of KKO
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth C] | d4r97c_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | V set domains (antibody variable domain-like) | automated matches | (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) |
| A [auth B] | d4r97b2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) |
| A [auth B] | d4r97b1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (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 C] | GST_N_3 | e4r97C2 | A: beta barrels | X: Carbon-nitrogen hydrolase-like | H: HTH | T: winged helix domain | F: GST_N_3 | ECOD (v294.2) |
| B [auth C] | NTP_transferase | e4r97C3 | A: beta barrels | X: Lipocalins/Streptavidin | H: SAM/DNA-glycosylase | T: SAM domain-like | F: NTP_transferase | ECOD (v294.2) |
| A [auth B] | GST_N_3 | e4r97B1 | A: beta barrels | X: Carbon-nitrogen hydrolase-like | H: HTH | T: winged helix domain | F: GST_N_3 | ECOD (v294.2) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| B [auth C] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| A [auth B] | 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 |
|---|---|---|---|---|---|---|---|---|
| B [auth C] | Platelet factor 4 antibody KKO | VH-CH1 | Mus musculus (house mouse) | IGHV1S81*02, IGHJ3*01, IGHG2B*02 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-2B_KAPPA | IMGT (202617-0) |
| A [auth B] | Platelet factor 4 antibody KKO | L-KAPPA | Mus musculus (house mouse) | IGKV6-15*01, IGKJ5*01, IGKC*01, IGKC*02 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-2B_KAPPA | IMGT (202617-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth C] | Heavy Chain | IGHV1 | - | - | SAbDab (2026-05-08) |
| A [auth B] | Light Chain | IGKV6 | Kappa | - | SAbDab (2026-05-08) |














