The structure of the COPI coat linkage I
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| P [auth J] | SCOP2B Superfamily | Ras-like P-loop GTPases | 8089854 | 3002022 | SCOP2B (2022-06-29) |
| L [auth M] | SCOP2B Superfamily | Ras-like P-loop GTPases | 8089854 | 3002022 | SCOP2B (2022-06-29) |
| H [auth R] | SCOP2B Superfamily | Ras-like P-loop GTPases | 8089854 | 3002022 | SCOP2B (2022-06-29) |
| F | SCOP2B Superfamily | Ras-like P-loop GTPases | 8089854 | 3002022 | SCOP2B (2022-06-29) |
| O [auth I] | SCOP2B Superfamily | SNARE-like | 8082715 | 3001113 | SCOP2B (2022-06-29) |
| E [auth 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) |
|---|---|---|---|---|---|---|---|---|
| K [auth L] | Clat_adaptor_s | e5nztL1 | 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 Z] | Clat_adaptor_s | e5nztZ1 | A: a+b three layers | X: Profilin-like | H: profilin-like (From Topology) | T: profilin-like | F: Clat_adaptor_s | ECOD (1.6) |
| J [auth K] | COP-gamma_platf | e5nztK2 | 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) |
| J [auth K] | Adaptin_N | e5nztK1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Adaptin_N | ECOD (1.6) |
| J [auth K] | Coatomer_g_Cpla | e5nztK3 | 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) |
| G | COP-gamma_platf | e5nztG2 | 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) |
| G | Adaptin_N | e5nztG3 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Adaptin_N | ECOD (1.6) |
| G | Coatomer_g_Cpla | e5nztG1 | 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) |
| P [auth J] | Ras | e5nztJ1 | 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) |
| L [auth M] | Ras | e5nztM1 | 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) |
| H [auth R] | Ras | e5nztR1 | 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) |
| F | Ras | e5nztF1 | 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) |
| M [auth N] | Adaptin_N | e5nztN1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Adaptin_N | ECOD (1.6) |
| C [auth B] | Coatamer_beta_C | e5nztB1 | 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) |
| C [auth B] | Adaptin_N | e5nztB3 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Adaptin_N | ECOD (1.6) |
| C [auth B] | Coatomer_b_Cpla | e5nztB2 | 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) |
| B [auth E] | Coatomer_E | e5nztE1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Coatomer_E | ECOD (1.6) |
| A | Coatomer_WDAD_N | e5nztA2 | 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 | e5nztA1 | 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 | e5nztA3 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: Coatomer_WDAD_C | ECOD (1.6) |
| A | COPI_C | e5nztA4 | A: alpha superhelices | X: Repetitive alpha hairpins | H: Coatomer subunit alpha C-terminal domain (From Topology) | T: Coatomer subunit alpha C-terminal domain | F: COPI_C | ECOD (1.6) |
| A | COPI_C | e5nztA5 | A: few secondary structure elements | X: RING/U-box-like | H: RING/U-box-like | T: RING/U-box | F: COPI_C | ECOD (1.6) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| I [auth Z], K [auth L] | PF01217 | Clathrin adaptor complex small chain (Clat_adaptor_s) | Clathrin adaptor complex small chain | Domain | |
| G, J [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 |
| G, J [auth K] | PF01602 | Adaptin N terminal region (Adaptin_N) | Adaptin N terminal region | - | Repeat |
| G, J [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 |
| E [auth D], O [auth I] | PF01217 | Clathrin adaptor complex small chain (Clat_adaptor_s) | Clathrin adaptor complex small chain | Domain | |
| D [auth C], N [auth H] | PF04053 | COPA/B second beta-propeller (B-prop_COPA_B_2nd) | COPA/B second beta-propeller | - | Repeat |
| D [auth C], N [auth H] | PF00400 | WD domain, G-beta repeat (WD40) | WD domain, G-beta repeat | - | Repeat |
| C [auth B], M [auth N] | 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 |














