The crystal structure of the cytoplasmic domain of KcsA
External Resource: Annotation
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
| C [auth K] | Peptidase_C14 | e3efdK01 | A: a/b three-layered sandwiches | X: Caspase-like | H: Caspase-like | T: Caspase-like | F: Peptidase_C14 | ECOD (v294.1) |
| B [auth H] | Phospholip_A2_1 | e3efdH1 | A: a/b three-layered sandwiches | X: TAZ domain | H: TAZ domain | T: Lipocalins | F: Phospholip_A2_1 | ECOD (v294.1) |
| A [auth L] | RdRP_3 | e3efdL1 | A: a/b three-layered sandwiches | X: HTH | H: Nudix | T: Nudix | F: RdRP_3 | ECOD (v294.1) |
| Chain | Protein Name | Description | Organism Name | Gene Allele Name(s) | Domain Name(s) | Receptor Type | Receptor Description | Provenance Source |
|---|
| B [auth H] | FAB-GAMMA-1_KAPPA | VH-CH1 | Homo sapiens (human) | IGHV3-66*01, IGHV3-66*02, IGHV3-66*04, IGHV3-23*04, IGHJ6*01, IGHJ6*02, IGHG1*01, IGHG1*02, IGHG1*04 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202611-0) |
| A [auth L] | FAB-GAMMA-1_KAPPA | L-KAPPA | Homo sapiens (human) | IGKV1-39*01, IGKV1D-39*01, IGKJ1*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202611-0) |
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|
| B [auth H] | Heavy Chain | IGHV3 | - | kcsa | SAbDab (2026-03-27) |
| A [auth L] | Light Chain | IGKV1 | Kappa | kcsa | SAbDab (2026-03-27) |