Complex structure of LILRB4 and h128-3 antibody
External Resource: Annotation
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) |
|---|---|---|---|---|---|---|---|---|
| I [auth L] | C1-set_4 | e6k7oL1 | 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) |
| I [auth L] | V-set | e6k7oL2 | 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) |
| G | C1-set_4 | e6k7oG1 | 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) |
| G | V-set | e6k7oG2 | 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) |
| E | C1-set_4 | e6k7oE2 | 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) |
| E | V-set | e6k7oE1 | 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 | C1-set_4 | e6k7oC2 | 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 | V-set | e6k7oC1 | 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) |
| H | V-set_8 | e6k7oH2 | 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) |
| H | C1-set_1 | e6k7oH1 | 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) |
| F | V-set_8 | e6k7oF1 | 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) |
| F | C1-set_1 | e6k7oF2 | 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 | V-set_8 | e6k7oD2 | 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 | C1-set_1 | e6k7oD1 | 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) |
| B | V-set_8 | e6k7oB1 | 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 | C1-set_1 | e6k7oB2 | 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) |
| L [auth Q] | Ig_2 | e6k7oQ1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Ig_2 | ECOD (1.6) |
| K [auth R] | Ig_2 | e6k7oR1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Ig_2 | ECOD (1.6) |
| J [auth P] | Ig_2 | e6k7oP1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Ig_2 | ECOD (1.6) |
| A | Ig_2 | e6k7oA1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Ig_2 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
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, E, G, I [auth L] | Fab h128-3 | L-KAPPA | Homo sapiens (human) | IGKV1-39*01, IGKV1D-39*01, IGKJ4*01, IGKJ4*02, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202547-0) |
| Fab h128-3 | VH-CH1 | Homo sapiens (human) | IGHV3-23*03, IGHJ1*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*12, IGHG1*14, IGHG1*13, IGHG1*09, IGHG1*10, IGHG1*07, IGHG1*11 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202547-0) | |
| A, J [auth P], K [auth R], L [auth Q] | 4 | LILRB1 | Homo sapiens (human) | LILRB1*01 | C-LIKE-DOMAIN C-LIKE | RPI | LILRB4 | IMGT (202547-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| C, E, G, I [auth L] | Light Chain | IGKV1 | Kappa | leukocyte immunoglobulin-like receptor subfamily b member4 | SAbDab (2025-12-05) |
| Heavy Chain | IGHV3 | - | leukocyte immunoglobulin-like receptor subfamily b member4 | SAbDab (2025-12-05) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A, J [auth P], K [auth R], L [auth Q] | PF13895 | Immunoglobulin domain (Ig_2) | Immunoglobulin domain | This domain contains immunoglobulin-like domains. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| A, J [auth P], K [auth R], L [auth Q] | IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
| A, J [auth P], K [auth R], L [auth Q] | IPR050412 | Immunoglobulin-like Receptors in Immune Regulation | Family |
| A, J [auth P], K [auth R], L [auth Q] | IPR013151 | Immunoglobulin-like beta-sandwich domain | Domain |
| A, J [auth P], K [auth R], L [auth Q] | IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| A, J [auth P], K [auth R], L [auth Q] | IPR007110 | Immunoglobulin-like domain | Domain |
Pharos: Disease Associations Pharos Homepage Annotation
| Chains | Drug Target   | Associated Disease |
|---|---|---|
| A, J [auth P], K [auth R], L [auth Q] | :  Q8NHJ6 |














