4I18
Crystal structure of human prolactin receptor complexed with Fab fragment
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
---|---|---|---|---|---|
E [auth R] | SCOP2B Superfamily | Fibronectin type III | 8055131 | 3002063 | SCOP2B (2022-06-29) |
E [auth R] | SCOP2B Superfamily | Fibronectin type III | 8055515 | 3002063 | SCOP2B (2022-06-29) |
F [auth C] | SCOP2B Superfamily | Fibronectin type III | 8055515 | 3002063 | SCOP2B (2022-06-29) |
F [auth C] | SCOP2B Superfamily | Fibronectin type III | 8055131 | 3002063 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A [auth L] | C1-set_4 | e4i18L1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
A [auth L] | V-set | e4i18L2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
C [auth B] | C1-set_4 | e4i18B1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
C [auth B] | V-set | e4i18B2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
B [auth H] | V-set_8 | e4i18H2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
B [auth H] | C1-set_1 | e4i18H1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
D [auth A] | V-set_8 | e4i18A2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
D [auth A] | C1-set_1 | e4i18A1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
E [auth R] | EpoR_lig-bind | e4i18R4 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: EpoR_lig-bind | ECOD (1.6) |
E [auth R] | fn3_6 | e4i18R3 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: fn3_6 | ECOD (1.6) |
F [auth C] | EpoR_lig-bind | e4i18C1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: EpoR_lig-bind | ECOD (1.6) |
F [auth C] | fn3_6 | e4i18C3 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: fn3_6 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
C [auth B] | 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) |
D [auth A] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
E [auth R] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
F [auth C] | 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] | Fab | 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 (202506-0) |
B [auth H], D [auth A] | Fab | VH-CH1 | Homo sapiens (human) | IGHV3-23*04, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202506-0) |
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 | prolactin receptor | SAbDab (2025-02-21) |
B [auth H], D [auth A] | Heavy Chain | IGHV3 | - | prolactin receptor | SAbDab (2025-02-21) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
---|---|---|---|---|
A [auth L], C [auth B] | antibody light chain | - | - | - |
B [auth H], D [auth A] | antibody heavy chain | - | - | - |
E [auth R], F [auth C] | Prolactin receptor | |
|
InterPro: Protein Family Classification InterPro Database Homepage
Chains | Accession | Name | Type |
---|---|---|---|
E [auth R], F [auth C] | IPR015152 | Growth hormone/erythropoietin receptor, ligand binding | Domain |
E [auth R], F [auth C] | IPR050379 | Type I Cytokine Receptor | Family |
E [auth R], F [auth C] | IPR003961 | Fibronectin type III | Domain |
E [auth R], F [auth C] | IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
E [auth R], F [auth C] | IPR003528 | Long hematopoietin receptor, single chain, conserved site | Conserved Site |
E [auth R], F [auth C] | IPR036116 | Fibronectin type III superfamily | Homologous Superfamily |