Crystal structure of the COP9 signalosome
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| F | SCOP2B Superfamily | JAB1/MPN domain-like | 8053244 | 3001105 | SCOP2B (2022-06-29) |
| F | SCOP2B Superfamily | EIF3 subunit F C-terminal domain-like | 8053243 | 3002167 | SCOP2B (2022-06-29) |
| N | SCOP2B Superfamily | EIF3 subunit F C-terminal domain-like | 8053243 | 3002167 | SCOP2B (2022-06-29) |
| N | SCOP2B Superfamily | JAB1/MPN domain-like | 8053244 | 3001105 | SCOP2B (2022-06-29) |
| M | SCOP2B Superfamily | JAB1/MPN domain-like | 8053263 | 3001105 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | JAB1/MPN domain-like | 8053263 | 3001105 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | TPR-like | 8057036 | 3001345 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | TPR-like | 8057037 | 3001345 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | Winged helix DNA-binding domain | 8057039 | 3000034 | SCOP2B (2022-06-29) |
| I | SCOP2 Family | RPN7-like | 8045186 | 4004342 | SCOP2 (2022-06-29) |
| I | SCOP2 Family | PCI domain (PINT motif) | 8057038 | 4000147 | SCOP2 (2022-06-29) |
| I | SCOP2 Superfamily | TPR-like | 8057037 | 3001345 | SCOP2 (2022-06-29) |
| I | SCOP2 Superfamily | Winged helix DNA-binding domain | 8057039 | 3000034 | SCOP2 (2022-06-29) |
| I | SCOP2 Superfamily | TPR-like | 8057036 | 3001345 | SCOP2 (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| H | PCI | e4d10H1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: PCI | ECOD (v294.1) |
| P | Abhydrolase_3 | e4d10P1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: Abhydrolase_3 | ECOD (v294.1) |
| G | PCI | e4d10G1 | A: a/b three-layered sandwiches | X: avirulence protein AvrPiz-t homologs | H: avirulence protein AvrPiz-t homologs | T: avirulence protein AvrPiz-t homologs | F: PCI | ECOD (v294.1) |
| G | CSN7_HB_subdom | e4d10G2 | A: a/b three-layered sandwiches | X: avirulence protein AvrPiz-t homologs | H: avirulence protein AvrPiz-t homologs | T: avirulence protein AvrPiz-t homologs | F: CSN7_HB_subdom | ECOD (v294.1) |
| G | m04gp34like | e4d10G3 | A: a/b three-layered sandwiches | X: avirulence protein AvrPiz-t homologs | H: avirulence protein AvrPiz-t homologs | T: avirulence protein AvrPiz-t homologs | F: m04gp34like | ECOD (v294.1) |
| O | Acetyltransf_16 | e4d10O1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Acetyltransf_16 | ECOD (v294.1) |
| F | AP_endonuc_2 | e4d10F1 | A: a/b three-layered sandwiches | X: Cytochrome P450 | H: Cytochrome P450 | T: Cytochrome P450 | F: AP_endonuc_2 | ECOD (v294.1) |
| N | MMS1_N | e4d10N2 | A: a/b three-layered sandwiches | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: MMS1_N | ECOD (v294.1) |
| N | AHAS-like_ACT | e4d10N1 | A: a/b three-layered sandwiches | X: Thioredoxin-like | H: Nucleic acid-binding protein | T: Chelatase-like | F: AHAS-like_ACT | ECOD (v294.1) |
| M | Gelsolin | e4d10M1 | A: a/b three-layered sandwiches | X: TIM beta/alpha-barrel | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Gelsolin | ECOD (v294.1) |
| E | JAB | e4d10E1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: JAB | ECOD (v294.1) |
| E | ATP-synt_ab | e4d10E2 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: ATP-synt_ab | ECOD (v294.1) |
| L | HypA | e4d10L2 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Fibronectin type I module-like | T: Fibronectin type I module | F: HypA | ECOD (v294.1) |
| L | TLP1_add_C | e4d10L1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: RIFT-related | T: acid protease | F: TLP1_add_C | ECOD (v294.1) |
| D | PCI | e4d10D1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: PCI | ECOD (v294.1) |
| D | JAB | e4d10D3 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: JAB | ECOD (v294.1) |
| C | PCI,COP9_hel_rpt | e4d10C1 | A: a/b three-layered sandwiches | X: avirulence protein AvrPiz-t homologs | H: avirulence protein AvrPiz-t homologs | T: avirulence protein AvrPiz-t homologs | F: PCI,COP9_hel_rpt | ECOD (v294.1) |
| C | CSN3-like_C | e4d10C2 | A: a/b three-layered sandwiches | X: avirulence protein AvrPiz-t homologs | H: avirulence protein AvrPiz-t homologs | T: avirulence protein AvrPiz-t homologs | F: CSN3-like_C | ECOD (v294.1) |
| C | PCI | e4d10C3 | A: a/b three-layered sandwiches | X: avirulence protein AvrPiz-t homologs | H: avirulence protein AvrPiz-t homologs | T: avirulence protein AvrPiz-t homologs | F: PCI | ECOD (v294.1) |
| K | Acetyltransf_16 | e4d10K1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Acetyltransf_16 | ECOD (v294.1) |
| B | e4d10B1 | A: a/b three-layered sandwiches | X: avirulence protein AvrPiz-t homologs | H: avirulence protein AvrPiz-t homologs | T: avirulence protein AvrPiz-t homologs | F: | ECOD (v294.1) | |
| B | COPS2_C | e4d10B3 | A: a/b three-layered sandwiches | X: avirulence protein AvrPiz-t homologs | H: avirulence protein AvrPiz-t homologs | T: avirulence protein AvrPiz-t homologs | F: COPS2_C | ECOD (v294.1) |
| J | Acetyltransf_16 | e4d10J1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Acetyltransf_16 | ECOD (v294.1) |
| A | PCI | e4d10A1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: PCI | ECOD (v294.1) |
| A | NPCBM | e4d10A3 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: NPCBM | ECOD (v294.1) |
| I | Abhydrolase_3 | e4d10I1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Ribosomal protein L14-related | T: Ribosomal protein L14-related | F: Abhydrolase_3 | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| F | 3.40.140.10 | Alpha Beta | 3-Layer(aba) Sandwich | Cytidine Deaminase | domain 2 | CATH (4.3.0) |
| N | 3.40.140.10 | Alpha Beta | 3-Layer(aba) Sandwich | Cytidine Deaminase | domain 2 | CATH (4.3.0) |
| D | 1.10.10.10 | Mainly Alpha | Orthogonal Bundle | Arc Repressor Mutant, subunit A | Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF10075 | CSN8/PSMD8/EIF3K family (CSN8_PSD8_EIF3K) | CSN8/PSMD8/EIF3K family | - | Family | |
| PF22061 | CSN7 helical bundle subdomain (CSN7_HB_subdom) | CSN7 helical bundle subdomain | - | Repeat | |
| PF18392 | COP9 signalosome complex subunit 7a helix I domain (CSN7a_helixI) | COP9 signalosome complex subunit 7a helix I domain | This is The C-terminal helix I domain found in COP9 signalosome complex subunit 7a. The helix from CSN7 (helix I) contacts CSN6 helices I and II at the base of the bundle, nearest the PCI ring [1]. | Domain | |
| PF01399 | PCI domain (PCI) | PCI domain | This domain has also been called the PINT motif (Proteasome, Int-6, Nip-1 and TRIP-15) [1]. | Domain | |
| PF13012 | Maintenance of mitochondrial structure and function (MitMem_reg) | Maintenance of mitochondrial structure and function | - | Family | |
| PF01398 | JAB1/Mov34/MPN/PAD-1 ubiquitin protease (JAB) | JAB1/Mov34/MPN/PAD-1 ubiquitin protease | Proteins with this domain are found in proteasome regulatory subunits, eukaryotic initiation factor 3 (eIF3) subunits and regulators of transcription factors. This domain is known as the MPN domain [3] and PAD-1-like domain [4], JABP1 domain [5] or J ... | Domain | |
| PF18323 | Cop9 signalosome subunit 5 C-terminal domain (CSN5_C) | Cop9 signalosome subunit 5 C-terminal domain | The COP9 (Constitutive photomorphogenesis 9) signalosome (CSN), a large multiprotein complex that resembles the 19S lid of the 26S proteasome, plays a central role in the regulation of the E3-cullin RING ubiquitin ligases (CRLs) [1]. The catalytic ac ... | Domain | |
| PF01398 | JAB1/Mov34/MPN/PAD-1 ubiquitin protease (JAB) | JAB1/Mov34/MPN/PAD-1 ubiquitin protease | Proteins with this domain are found in proteasome regulatory subunits, eukaryotic initiation factor 3 (eIF3) subunits and regulators of transcription factors. This domain is known as the MPN domain [3] and PAD-1-like domain [4], JABP1 domain [5] or J ... | Domain | |
| PF22241 | PSMD12/CSN4, N-terminal (PSMD12-CSN4_N) | PSMD12/CSN4, N-terminal | - | Repeat | |
| PF18420 | CSN4/RPN5/eIF3a helix turn helix domain (CSN4_RPN5_eIF3a) | CSN4/RPN5/eIF3a helix turn helix domain | Cullin-RING E3 ubiquitin ligases (CRLs) are regulated by the eight-subunit COP9 signalosome (CSN). Enzymatically, CSN functions as an isopeptidase that removes the ubiquitin-like activator NEDD8 from CRLs, but it can also bind deneddylated CRLs and m ... | Domain | |
| PF01399 | PCI domain (PCI) | PCI domain | This domain has also been called the PINT motif (Proteasome, Int-6, Nip-1 and TRIP-15) [1]. | Domain | |
| PF22788 | COP9 signalosome complex subunit 3, N-terminal helical repeats (COP9_hel_rpt) | COP9 signalosome complex subunit 3, N-terminal helical repeats | - | Repeat | |
| PF21215 | COP9 signalosome complex subunit 3-like, C-terminal helix (CSN3-like_C) | COP9 signalosome complex subunit 3-like, C-terminal helix | This domain is found in COP9 signalosome complex subunit 3 from humans (CSN3) and similar proteins predominantly found in vertebrates. CSN3 is a component of the eight-subunit COP9 signalosome complex (CSN), which inactivate Cullin-RING E3 ubiquitin ... | Domain | |
| PF01399 | PCI domain (PCI) | PCI domain | This domain has also been called the PINT motif (Proteasome, Int-6, Nip-1 and TRIP-15) [1]. | Domain | |
| PF25983 | COP9 signalosome complex subunit 2, C-terminal helix (COPS2_C) | COP9 signalosome complex subunit 2, C-terminal helix | This short domain is found at the C-terminal end of human COP9 signalosome complex subunit 2 (COPS2) and similar eukaryotic proteins. COPS2 is an essential component of the COP9 signalosome complex, an essential regulator of the ubiquitin conjugation ... | Domain | |
| PF01399 | PCI domain (PCI) | PCI domain | This domain has also been called the PINT motif (Proteasome, Int-6, Nip-1 and TRIP-15) [1]. | Domain | |
| PF21151 | COP9 signalosome complex subunit 1, C-terminal helix (CSN1_C) | COP9 signalosome complex subunit 1, C-terminal helix | This is the C-terminal helix from COP9 signalosome complex subunit 1, an essential component of the COP9 signalosome complex (CSN), which involved in various cellular and developmental processes [1,2]. | Domain | |
| PF10602 | 26S proteasome subunit RPN7 (RPN7) | 26S proteasome subunit RPN7 | - | Repeat | |
| PF01399 | PCI domain (PCI) | PCI domain | This domain has also been called the PINT motif (Proteasome, Int-6, Nip-1 and TRIP-15) [1]. | Domain |














