Insulin Receptor L1-CR plus alphaCT fragment in co-complex with Fv 83-7 and single-chain insulin SCI-b
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| D [auth E] | SCOP2B Superfamily | L domain-like | 8032830 | 3001010 | SCOP2B (2022-06-29) |
| D [auth E] | SCOP2B Superfamily | Growth factor receptor domain-like | 8032837 | 3000398 | SCOP2B (2022-06-29) |
| I [auth K] | SCOP2B Superfamily | Growth factor receptor domain-like | 8032837 | 3000398 | SCOP2B (2022-06-29) |
| I [auth K] | SCOP2B Superfamily | L domain-like | 8032830 | 3001010 | SCOP2B (2022-06-29) |
| N [auth Q] | SCOP2B Superfamily | L domain-like | 8032830 | 3001010 | SCOP2B (2022-06-29) |
| N [auth Q] | SCOP2B Superfamily | Growth factor receptor domain-like | 8032837 | 3000398 | SCOP2B (2022-06-29) |
| S [auth W] | SCOP2B Superfamily | L domain-like | 8032830 | 3001010 | SCOP2B (2022-06-29) |
| A [auth B] | SCOP2B Superfamily | Insulin-like | 8038024 | 3000307 | SCOP2B (2022-06-29) |
| F [auth H] | SCOP2B Superfamily | Insulin-like | 8038024 | 3000307 | SCOP2B (2022-06-29) |
| K [auth N] | SCOP2B Superfamily | Insulin-like | 8038024 | 3000307 | SCOP2B (2022-06-29) |
| P [auth T] | SCOP2B Superfamily | Insulin-like | 8038024 | 3000307 | 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) |
|---|---|---|---|---|---|---|---|---|
| B [auth C] | V-set_8 | e7kd6C1 | 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) |
| G [auth I] | V-set_8 | e7kd6I1 | 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) |
| L [auth O] | V-set_8 | e7kd6O1 | 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) |
| Q [auth U] | V-set_8 | e7kd6U1 | 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) |
| C [auth D] | V-set | e7kd6D1 | 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 [auth J] | V-set | e7kd6J1 | 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) |
| M [auth P] | V-set | e7kd6P1 | 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) |
| R [auth V] | V-set | e7kd6V1 | 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) |
| D [auth E] | Recep_L_domain | e7kd6E1 | A: beta duplicates or obligate multimers | X: Single-stranded right-handed beta-helix | H: Leucine-rich repeats (From Topology) | T: Leucine-rich repeats | F: Recep_L_domain | ECOD (1.6) |
| D [auth E] | Furin-like_5 | e7kd6E2 | A: few secondary structure elements | X: EGF-like | H: Growth factor receptor domain (From Topology) | T: Growth factor receptor domain | F: Furin-like_5 | ECOD (1.6) |
| I [auth K] | Recep_L_domain | e7kd6K1 | A: beta duplicates or obligate multimers | X: Single-stranded right-handed beta-helix | H: Leucine-rich repeats (From Topology) | T: Leucine-rich repeats | F: Recep_L_domain | ECOD (1.6) |
| I [auth K] | Furin-like_5 | e7kd6K2 | A: few secondary structure elements | X: EGF-like | H: Growth factor receptor domain (From Topology) | T: Growth factor receptor domain | F: Furin-like_5 | ECOD (1.6) |
| N [auth Q] | Recep_L_domain | e7kd6Q1 | A: beta duplicates or obligate multimers | X: Single-stranded right-handed beta-helix | H: Leucine-rich repeats (From Topology) | T: Leucine-rich repeats | F: Recep_L_domain | ECOD (1.6) |
| N [auth Q] | Furin-like_5 | e7kd6Q2 | A: few secondary structure elements | X: EGF-like | H: Growth factor receptor domain (From Topology) | T: Growth factor receptor domain | F: Furin-like_5 | ECOD (1.6) |
| S [auth W] | Recep_L_domain | e7kd6W1 | A: beta duplicates or obligate multimers | X: Single-stranded right-handed beta-helix | H: Leucine-rich repeats (From Topology) | T: Leucine-rich repeats | F: Recep_L_domain | ECOD (1.6) |
| S [auth W] | Furin-like_5 | e7kd6W2 | A: few secondary structure elements | X: EGF-like | H: Growth factor receptor domain (From Topology) | T: Growth factor receptor domain | F: Furin-like_5 | ECOD (1.6) |
| A [auth B] | Insulin | e7kd6B1 | A: few secondary structure elements | X: Insulin-like (From Topology) | H: Insulin-like (From Topology) | T: Insulin-like | F: Insulin | ECOD (1.6) |
| F [auth H] | Insulin | e7kd6H1 | A: few secondary structure elements | X: Insulin-like (From Topology) | H: Insulin-like (From Topology) | T: Insulin-like | F: Insulin | ECOD (1.6) |
| K [auth N] | Insulin | e7kd6N1 | A: few secondary structure elements | X: Insulin-like (From Topology) | H: Insulin-like (From Topology) | T: Insulin-like | F: Insulin | ECOD (1.6) |
| P [auth T] | Insulin | e7kd6T1 | A: few secondary structure elements | X: Insulin-like (From Topology) | H: Insulin-like (From Topology) | T: Insulin-like | F: Insulin | ECOD (1.6) |
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 (utative) |
| G [auth I] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| L [auth O] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| Q [auth U] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth C], G [auth I], L [auth O], Q [auth U] | Heavy Chain | IGHV2 | - | insulin receptor subunit alpha | SAbDab (2025-10-24) |
| C [auth D], H [auth J], M [auth P], R [auth V] | Light Chain | IGKV8 | Kappa | insulin receptor subunit alpha | SAbDab (2025-10-24) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| D [auth E], I [auth K], N [auth Q], S [auth W] | PF00757 | Furin-like cysteine rich region (Furin-like) | Furin-like cysteine rich region | Domain | |
| D [auth E], I [auth K], N [auth Q], S [auth W] | PF01030 | Receptor L domain (Recep_L_domain) | Receptor L domain | - | Repeat |
| A [auth B], F [auth H], K [auth N], P [auth T] | PF00049 | Insulin/IGF/Relaxin family (Insulin) | Insulin/IGF/Relaxin family | Superfamily includes insulins; relaxins; insulin-like growth factor; and bombyxin. All are secreted regulatory hormones. Disulfide rich, all-alpha fold. Alignment includes B chain, linker (which is processed out of the final product), and A chain. | Domain |














