Crystal structure of the four Ig-like domains of LILRB1 complexed with HLA-G
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| E | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8003766 | 3000071 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8003766 | 3000071 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054837 | 3000071 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8055614 | 3000071 | SCOP2B (2022-06-29) |
| H | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054837 | 3000071 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054597 | 3000071 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | MHC antigen-recognition domain | 8032488 | 3000521 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | MHC antigen-recognition domain | 8032488 | 3000521 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054597 | 3000071 | 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) |
|---|---|---|---|---|---|---|---|---|
| G | Ig_2 | e6aeeG3 | 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) |
| H | Ig_2 | e6aeeH3 | 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 | C1-set_2 | e6aeeA1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_2 | ECOD (1.6) |
| A | MHC_I | e6aeeA2 | A: a+b two layers | X: MHC antigen-recognition domain (From Topology) | H: MHC antigen-recognition domain (From Topology) | T: MHC antigen-recognition domain | F: MHC_I | ECOD (1.6) |
| D | C1-set_2 | e6aeeD1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_2 | ECOD (1.6) |
| D | MHC_I | e6aeeD2 | A: a+b two layers | X: MHC antigen-recognition domain (From Topology) | H: MHC antigen-recognition domain (From Topology) | T: MHC antigen-recognition domain | F: MHC_I | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| E | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| G | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| H | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A | 3.30.500.10 | Alpha Beta | 2-Layer Sandwich | Murine Class I Major Histocompatibility Complex, H2-DB | Chain A, domain 1 | CATH (utative) |
| A | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D | 3.30.500.10 | Alpha Beta | 2-Layer Sandwich | Murine Class I Major Histocompatibility Complex, H2-DB | Chain A, domain 1 | CATH (utative) |
| D | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
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 |
|---|---|---|---|---|---|---|---|---|
| MH1 HLA-G*0104 | B2M | Homo sapiens (human) | B2M*01, B2M*02 | C-LIKE-DOMAIN C-LIKE | MH | MH1-ALPHA_B2M | IMGT (202546-0) | |
| 1 | LILRB1 | Homo sapiens (human) | LILRB1*01 | C-LIKE-DOMAIN C-LIKE | RPI | LILRB1 | IMGT (202546-0) | |
| MH1 HLA-G*0104 | I-ALPHA | Homo sapiens (human) | HLA-G*0101, HLA-G*0104, HLA-G*0106, HLA-G*0108, HLA-G*0109, HLA-G*0114, HLA-G*0115, HLA-G*0116, HLA-G*0117 | G-DOMAIN G-ALPHA1, G-DOMAIN G-ALPHA2, C-LIKE-DOMAIN C-LIKE | MH | MH1-ALPHA_B2M | IMGT (202546-0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF07654 | Immunoglobulin C1-set domain (C1-set) | Immunoglobulin C1-set domain | Domain | ||
| PF13895 | Immunoglobulin domain (Ig_2) | Immunoglobulin domain | This domain contains immunoglobulin-like domains. | Domain | |
| PF00047 | Immunoglobulin domain (ig) | Immunoglobulin domain | Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-prote ... | Domain | |
| PF07654 | Immunoglobulin C1-set domain (C1-set) | Immunoglobulin C1-set domain | Domain |














