Crystal Structure Analysis of Fab1-Bound Human Insulin Degrading Enzyme (IDE) in Complex with Insulin
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| I [auth a] | SCOP2B Superfamily | Insulin-like | 8038024 | 3000307 | SCOP2B (2022-06-29) |
| K [auth c] | 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) |
|---|---|---|---|---|---|---|---|---|
| A | e5wobA1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| B | e5wobB1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| C | e5wobC1 | A: P-loop domains-like | X: Cas7-related | H: CRISPR-associated protein Cas7f/Csy3 | T: Acetyltransf_3 | F: | ECOD (20:10:01) | |
| D | e5wobD1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| E | e5wobE1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| F | e5wobF1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| G | e5wobG1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| H | e5wobH1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| Q [auth I] | e5wobI1 | A: P-loop domains-like | X: Cas7-related | H: CRISPR-associated protein Cas7f/Csy3 | T: Acetyltransf_3 | F: | ECOD (20:10:01) | |
| R [auth K] | e5wobK1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| S [auth M] | e5wobM1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| T [auth O] | e5wobO1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| U [auth Q] | e5wobQ1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| V [auth S] | e5wobS1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| W [auth U] | e5wobU1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| X [auth W] | e5wobW1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| AA [auth N] | e5wobN1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| BA [auth P] | e5wobP1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| CA [auth R] | e5wobR1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| DA [auth T] | e5wobT1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| EA [auth V] | e5wobV1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| FA [auth X] | e5wobX1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| Y [auth J] | e5wobJ1 | A: P-loop domains-like | X: Cas7-related | H: CRISPR-associated protein Cas7f/Csy3 | T: Acetyltransf_3 | F: | ECOD (20:10:01) | |
| Z [auth L] | e5wobL1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| I [auth a] | e5woba1 | A: P-loop domains-like | X: Cas7-related | H: CRISPR-associated protein Cas7f/Csy3 | T: Acetyltransf_3 | F: | ECOD (20:10:01) | |
| K [auth c] | e5wobc1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| N [auth f] | e5wobf1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) | |
| O [auth g] | e5wobg1 | A: RING/U-box-like | X: Rubredoxin-related | H: Rubredoxin-related | T: | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| Heavy Chain | IGHV3 | - | insulin | SAbDab (2026-03-13) | |
| Light Chain | IGKV1 | Kappa | insulin | SAbDab (2026-03-13) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF05193 | Peptidase M16 inactive domain (Peptidase_M16_C) | Peptidase M16 inactive domain | Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. | Domain | |
| PF16187 | Middle or third domain of peptidase_M16 (Peptidase_M16_M) | Middle or third domain of peptidase_M16 | - | Family | |
| PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | Family | |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR011249 | Metalloenzyme, LuxS/M16 peptidase-like | Homologous Superfamily | |
| IPR001431 | Peptidase M16, zinc-binding site | Binding Site | |
| IPR007863 | Peptidase M16, C-terminal | Domain | |
| IPR054734 | Coenzyme PQQ synthesis protein F-like, C-terminal lobe, domain 4 | Domain | |
| IPR011765 | Peptidase M16, N-terminal | Domain | |
| IPR050626 | Peptidase M16 | Family | |
| IPR032632 | Peptidase M16, middle/third domain | Domain | |
| IPR004825 | Insulin | Family | |
| IPR022353 | Insulin, conserved site | Conserved Site | |
| IPR036438 | Insulin-like superfamily | Homologous Superfamily | |
| IPR016179 | Insulin-like | Domain | |
| IPR022352 | Insulin/IGF/relaxin | Family |














