The structure of the COPI coat leaf in complex with the ArfGAP2 uncoating factor
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| K [auth M] | SCOP2B Superfamily | Ras-like P-loop GTPases | 8089854 | 3002022 | SCOP2B (2022-06-29) |
| G [auth R] | SCOP2B Superfamily | Ras-like P-loop GTPases | 8089854 | 3002022 | SCOP2B (2022-06-29) |
| E [auth F] | SCOP2B Superfamily | Ras-like P-loop GTPases | 8089854 | 3002022 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | SNARE-like | 8082715 | 3001113 | 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) |
|---|---|---|---|---|---|---|---|---|
| L [auth P] | ArfGap | e5nzsP1 | A: few secondary structure elements | X: Glucocorticoid receptor-like | H: LIM domain-like | T: LIM domain-like | F: ArfGap | ECOD (1.6) |
| J [auth L] | Clat_adaptor_s | e5nzsL1 | A: a+b three layers | X: Profilin-like | H: profilin-like (From Topology) | T: profilin-like | F: Clat_adaptor_s | ECOD (1.6) |
| H [auth Z] | Clat_adaptor_s | e5nzsZ1 | A: a+b three layers | X: Profilin-like | H: profilin-like (From Topology) | T: profilin-like | F: Clat_adaptor_s | ECOD (1.6) |
| I [auth K] | COP-gamma_platf | e5nzsK2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: COP-gamma_platf | ECOD (1.6) |
| I [auth K] | Adaptin_N | e5nzsK1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Adaptin_N | ECOD (1.6) |
| I [auth K] | Coatomer_g_Cpla | e5nzsK3 | A: a+b two layers | X: TBP-like | H: Subdomain of clathrin and coatomer appendage domain (From Topology) | T: Subdomain of clathrin and coatomer appendage domain | F: Coatomer_g_Cpla | ECOD (1.6) |
| F [auth G] | COP-gamma_platf | e5nzsG1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: COP-gamma_platf | ECOD (1.6) |
| F [auth G] | Adaptin_N | e5nzsG2 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Adaptin_N | ECOD (1.6) |
| F [auth G] | Coatomer_g_Cpla | e5nzsG3 | A: a+b two layers | X: TBP-like | H: Subdomain of clathrin and coatomer appendage domain (From Topology) | T: Subdomain of clathrin and coatomer appendage domain | F: Coatomer_g_Cpla | ECOD (1.6) |
| K [auth M] | Ras | e5nzsM1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Ras | ECOD (1.6) |
| G [auth R] | Ras | e5nzsR1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Ras | ECOD (1.6) |
| E [auth F] | Ras | e5nzsF1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Ras | ECOD (1.6) |
| B | Coatamer_beta_C | e5nzsB3 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Coatamer_beta_C | ECOD (1.6) |
| B | Adaptin_N | e5nzsB2 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Adaptin_N | ECOD (1.6) |
| B | Coatomer_b_Cpla | e5nzsB1 | A: a+b two layers | X: TBP-like | H: Subdomain of clathrin and coatomer appendage domain (From Topology) | T: Subdomain of clathrin and coatomer appendage domain | F: Coatomer_b_Cpla | ECOD (1.6) |
| A | Coatomer_WDAD_N | e5nzsA3 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Coatomer_WDAD_N | ECOD (1.6) |
| A | ANAPC4_WD40_18 | e5nzsA1 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: ANAPC4_WD40_18 | ECOD (1.6) |
| A | Coatomer_WDAD_C | e5nzsA2 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Coatomer_WDAD_C | ECOD (1.6) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| L [auth P] | PF01412 | Putative GTPase activating protein for Arf (ArfGap) | Putative GTPase activating protein for Arf | Putative zinc fingers with GTPase activating proteins (GAPs) towards the small GTPase, Arf. The GAP of ARD1 stimulates GTPase hydrolysis for ARD1 but not ARFs. | Domain |
| H [auth Z], J [auth L] | PF01217 | Clathrin adaptor complex small chain (Clat_adaptor_s) | Clathrin adaptor complex small chain | Domain | |
| F [auth G], I [auth K] | PF01602 | Adaptin N terminal region (Adaptin_N) | Adaptin N terminal region | - | Repeat |
| F [auth G], I [auth K] | PF16381 | Coatomer subunit gamma-1 C-terminal appendage platform (Coatomer_g_Cpla) | Coatomer subunit gamma-1 C-terminal appendage platform | Coatomer_g_Cpla is the very C-terminal domain of the eukaryotic Coatomer subunit gamma-1 proteins. It acts as a platform domain to the C-terminal appendage. It carries one single protein/protein interaction site, which is the binding site for ARFGAP2 ... | Domain |
| F [auth G], I [auth K] | PF08752 | Coatomer gamma subunit appendage platform subdomain (COP-gamma_platf) | Coatomer gamma subunit appendage platform subdomain | COPI-coated vesicles function in retrograde transport from the Golgi to the ER, and in intra-Golgi transport. This is the platform subdomain of the coatomer gamma subunit appendage domain. It carries a protein-protein interaction site at U ... | Domain |
| PF01217 | Clathrin adaptor complex small chain (Clat_adaptor_s) | Clathrin adaptor complex small chain | Domain | ||
| PF04053 | COPA/B second beta-propeller (B-prop_COPA_B_2nd) | COPA/B second beta-propeller | - | Repeat | |
| PF00400 | WD domain, G-beta repeat (WD40) | WD domain, G-beta repeat | - | Repeat | |
| PF14806 | Coatomer beta subunit appendage platform (Coatomer_b_Cpla) | Coatomer beta subunit appendage platform | This family is found at the C-terminus of the coatamer beta subunit proteins (Beta-coat proteins). It is a platform domain on the appendage that carries a highly conserved tryptophan. | Domain | |
| PF04053 | COPA/B second beta-propeller (B-prop_COPA_B_2nd) | COPA/B second beta-propeller | - | Repeat | |
| PF00400 | WD domain, G-beta repeat (WD40) | WD domain, G-beta repeat | - | Repeat |














