1FQV: SKP2
Insights into scf ubiquitin ligases from the structure of the skp1-skp2 complex. Determined by X-ray diffraction at 2.8 Å resolution. Released 29 Nov 2000.
- Method
- X-ray diffraction
- Resolution
- 2.8 Å
- Organism
- Homo sapiens
- Chains
- 16
- Atoms
- 29,256
- Mol. weight
- 438.21 kDa
- Released
- 29 Nov 2000
Explore 1FQV in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
1FQV contains 183 α-helices and 176 β-strands across 16 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
Chain A: 14 helices, 21 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 114-122 | 9 | |
| α-helix | 126-132 | 7 | |
| α-helix | 137-142 | 6 | |
| α-helix | 146-148 | 3 | |
| β-strand | 151-153 | 3 | 1 |
| β-strand | 158 | 1 | 2 |
| α-helix | 161-168 | 8 | |
| β-strand | 174-176 | 3 | 1 |
| β-strand | 181-182 | 2 | 2 |
| β-strand | 193 | 1 | 3 |
| β-strand | 197-199 | 3 | 1 |
| β-strand | 204-205 | 2 | 2 |
| α-helix | 207-214 | 8 | |
| β-strand | 217 | 1 | 3 |
| β-strand | 222-224 | 3 | 1 |
| β-strand | 229 | 1 | 4 |
| α-helix | 232-239 | 8 | |
| β-strand | 246-248 | 3 | 1 |
| β-strand | 253 | 1 | 4 |
| α-helix | 257-266 | 10 | |
| β-strand | 272-274 | 3 | 1 |
| α-helix | 283-292 | 10 | |
| β-strand | 299-301 | 3 | 1 |
| α-helix | 311-320 | 10 | |
| β-strand | 326-328 | 3 | 1 |
| α-helix | 337-339 | 3 | |
| α-helix | 340-343 | 4 | |
| β-strand | 351-353 | 3 | 1 |
| α-helix | 363-370 | 8 | |
| β-strand | 376-378 | 3 | 1 |
| α-helix | 385-394 | 10 | |
| β-strand | 400 | 1 | 1 |
| β-strand | 421 | 1 | 5 |
| β-strand | 424 | 1 | 5 |
| β-strand | 428-429 | 2 | 1 |
Chains B, H and L: 8 helices, 3 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 3-8 | 6 | 6 |
| β-strand | 13-17 | 5 | 6 |
| α-helix | 18-21 | 4 | |
| α-helix | 25-33 | 9 | |
| β-strand | 45-47 | 3 | 6 |
| α-helix | 52-64 | 13 | |
| α-helix | 87-92 | 6 | |
| α-helix | 97-109 | 13 | |
| α-helix | 113-127 | 15 | |
| α-helix | 132-139 | 8 | |
| α-helix | 149-155 | 7 | |
Chain C: 16 helices, 17 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 114-122 | 9 | |
| α-helix | 126-132 | 7 | |
| α-helix | 137-142 | 6 | |
| α-helix | 146-149 | 4 | |
| β-strand | 151-153 | 3 | 7 |
| β-strand | 158 | 1 | 8 |
| α-helix | 161-168 | 8 | |
| β-strand | 174-176 | 3 | 7 |
| β-strand | 181-182 | 2 | 8 |
| α-helix | 192-193 | 2 | |
| β-strand | 197-199 | 3 | 7 |
| β-strand | 204-205 | 2 | 8 |
| α-helix | 207-214 | 8 | |
| β-strand | 222-224 | 3 | 7 |
| β-strand | 229 | 1 | 9 |
| α-helix | 232-238 | 7 | |
| β-strand | 246-248 | 3 | 7 |
| β-strand | 253 | 1 | 9 |
| α-helix | 257-266 | 10 | |
| β-strand | 272-274 | 3 | 7 |
| α-helix | 283-292 | 10 | |
| β-strand | 299-301 | 3 | 7 |
| α-helix | 311-320 | 10 | |
| β-strand | 326-328 | 3 | 7 |
| α-helix | 337-339 | 3 | |
| α-helix | 340-343 | 4 | |
| β-strand | 351-353 | 3 | 7 |
| α-helix | 362-370 | 9 | |
| β-strand | 376-378 | 3 | 7 |
| α-helix | 385-394 | 10 | |
| β-strand | 399-400 | 2 | 7 |
| α-helix | 421-423 | 3 | |
| β-strand | 428 | 1 | 7 |
Chain D: 8 helices, 3 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 3-7 | 5 | 10 |
| β-strand | 13-17 | 5 | 10 |
| α-helix | 18-21 | 4 | |
| α-helix | 25-33 | 9 | |
| β-strand | 44-46 | 3 | 10 |
| α-helix | 52-64 | 13 | |
| α-helix | 87-92 | 6 | |
| α-helix | 97-109 | 13 | |
| α-helix | 113-127 | 15 | |
| α-helix | 132-139 | 8 | |
| α-helix | 149-155 | 7 | |
Chain E: 15 helices, 19 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 114-122 | 9 | |
| α-helix | 126-132 | 7 | |
| α-helix | 137-142 | 6 | |
| α-helix | 146-148 | 3 | |
| β-strand | 151-153 | 3 | 11 |
| β-strand | 158 | 1 | 12 |
| α-helix | 161-168 | 8 | |
| β-strand | 174-176 | 3 | 11 |
| β-strand | 181-182 | 2 | 12 |
| α-helix | 192-193 | 2 | |
| β-strand | 197-199 | 3 | 11 |
| β-strand | 204-205 | 2 | 12 |
| α-helix | 207-214 | 8 | |
| β-strand | 222-224 | 3 | 11 |
| β-strand | 229 | 1 | 13 |
| α-helix | 232-238 | 7 | |
| β-strand | 246-248 | 3 | 11 |
| β-strand | 253 | 1 | 13 |
| α-helix | 257-266 | 10 | |
| β-strand | 272-274 | 3 | 11 |
| α-helix | 283-292 | 10 | |
| β-strand | 299-301 | 3 | 11 |
| α-helix | 311-320 | 10 | |
| β-strand | 326-328 | 3 | 11 |
| α-helix | 337-339 | 3 | |
| α-helix | 340-343 | 4 | |
| β-strand | 351-353 | 3 | 11 |
| α-helix | 362-369 | 8 | |
| β-strand | 376-378 | 3 | 11 |
| α-helix | 385-394 | 10 | |
| β-strand | 400 | 1 | 11 |
| β-strand | 421 | 1 | 14 |
| β-strand | 424 | 1 | 14 |
| β-strand | 428-429 | 2 | 11 |
Chain F: 8 helices, 3 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 3-8 | 6 | 15 |
| β-strand | 13-17 | 5 | 15 |
| α-helix | 18-21 | 4 | |
| α-helix | 25-33 | 9 | |
| β-strand | 45-47 | 3 | 15 |
| α-helix | 52-64 | 13 | |
| α-helix | 87-92 | 6 | |
| α-helix | 97-109 | 13 | |
| α-helix | 113-127 | 15 | |
| α-helix | 132-138 | 7 | |
| α-helix | 149-155 | 7 | |
Chain G: 15 helices, 19 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 114-122 | 9 | |
| α-helix | 126-132 | 7 | |
| α-helix | 137-142 | 6 | |
| α-helix | 146-149 | 4 | |
| β-strand | 151-153 | 3 | 16 |
| β-strand | 158 | 1 | 17 |
| α-helix | 161-168 | 8 | |
| β-strand | 174-176 | 3 | 16 |
| β-strand | 181-182 | 2 | 17 |
| α-helix | 192-193 | 2 | |
| β-strand | 197-199 | 3 | 16 |
| β-strand | 204-205 | 2 | 17 |
| α-helix | 207-214 | 8 | |
| β-strand | 222-224 | 3 | 16 |
| β-strand | 229 | 1 | 18 |
| α-helix | 232-238 | 7 | |
| β-strand | 246-248 | 3 | 16 |
| β-strand | 253 | 1 | 18 |
| α-helix | 257-266 | 10 | |
| β-strand | 272-274 | 3 | 16 |
| α-helix | 283-292 | 10 | |
| β-strand | 299-301 | 3 | 16 |
| α-helix | 311-320 | 10 | |
| β-strand | 326-328 | 3 | 16 |
| α-helix | 337-339 | 3 | |
| α-helix | 340-343 | 4 | |
| β-strand | 351-353 | 3 | 16 |
| α-helix | 362-370 | 9 | |
| β-strand | 376-378 | 3 | 16 |
| α-helix | 385-394 | 10 | |
| β-strand | 400 | 1 | 16 |
| β-strand | 421 | 1 | 19 |
| β-strand | 424 | 1 | 19 |
| β-strand | 428-429 | 2 | 16 |
Chain I: 14 helices, 19 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 114-122 | 9 | |
| α-helix | 126-132 | 7 | |
| α-helix | 137-142 | 6 | |
| α-helix | 146-149 | 4 | |
| β-strand | 151-153 | 3 | 21 |
| β-strand | 158 | 1 | 22 |
| α-helix | 161-168 | 8 | |
| β-strand | 174-176 | 3 | 21 |
| β-strand | 181-182 | 2 | 22 |
| β-strand | 197-199 | 3 | 21 |
| β-strand | 204-205 | 2 | 22 |
| α-helix | 207-214 | 8 | |
| β-strand | 222-224 | 3 | 21 |
| β-strand | 229 | 1 | 23 |
| α-helix | 232-238 | 7 | |
| β-strand | 246-248 | 3 | 21 |
| β-strand | 253 | 1 | 23 |
| α-helix | 257-266 | 10 | |
| β-strand | 272-274 | 3 | 21 |
| α-helix | 283-292 | 10 | |
| β-strand | 299-301 | 3 | 21 |
| α-helix | 311-320 | 10 | |
| β-strand | 326-328 | 3 | 21 |
| α-helix | 337-339 | 3 | |
| α-helix | 340-343 | 4 | |
| β-strand | 351-353 | 3 | 21 |
| α-helix | 362-369 | 8 | |
| β-strand | 376-378 | 3 | 21 |
| α-helix | 385-394 | 10 | |
| β-strand | 400 | 1 | 21 |
| β-strand | 421 | 1 | 24 |
| β-strand | 424 | 1 | 24 |
| β-strand | 428-429 | 2 | 21 |
6 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| SKP2 | A, C, E, G, I, K, M, O | protein | 336 | Homo sapiens | Q13309 (AlphaFold model) |
| SKP1 | B, D, F, H, J, L, N, P | protein | 149 | Homo sapiens | P63208 (AlphaFold model) |
Sequence of entity 1 (A, C, E, G, I, K, M, O), FASTA
>1FQV_1 SKP2 (chains A, C, E, G, I, K, M, O)
RENFPGVSWDSLPDELLLGIFSCLCLPELLKVSGVCKRWYRLASDESLWQTLDLTGKNLH
PDVTGRLLSQGVIAFRCPRSFMDQPLAEHFSPFRVQHMDLSNSVIEVSTLHGILSQCSKL
QNLSLEGLRLSDPIVNTLAKNSNLVRLNLSGCSGFSEFALQTLLSSCSRLDELNLSWCFD
FTEKHVQVAVAHVSETITQLNLSGYRKNLQKSDLSTLVRRCPNLVHLDLSDSVMLKNDCF
QEFFQLNYLQHLSLSRCYDIIPETLLELGEIPTLKTLQVFGIVPDGTLQLLKEALPHLQI
NCSHFTTIARPTIGNKKNQEIWGIKCRLTLQKPSCL
Sequence of entity 2 (B, D, F, H, J, L, N, P), FASTA
>1FQV_2 SKP1 (chains B, D, F, H, J, L, N, P)
MPSIKLQSSDGEIFEVDVEIAKQSVTIKTMLEDLGMDPVPLPNVNAAILKKVIQWCTHHK
DDPGGSGTDDIPVWDQEFLKVDQGTLFELILAANYLDIKGLLDVTCKTVANMIKGKTPEE
IRKTFNIKNDFTEEEEAQVRKENQWCEEK
Primary citation
Insights into SCF ubiquitin ligases from the structure of the Skp1-Skp2 complex. Schulman, B.A., Carrano, A.C., Jeffrey, P.D. et al. Nature (2000) 408:381-386. DOI 10.1038/35042620 · PubMed
Other PDB entries of the same protein (UniProt Q13309 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 1FS1 1.8 Å, Insights into scf ubiquitin ligases from the structure of the SKP1-SKP2 complex
- 2AST 2.3 Å, Crystal structure of Skp1-Skp2-Cks1 in complex with a p27 peptide
- 7Z8V 2.7 Å, CAND1-SCF-SKP2 (SKP1deldel) CAND1 engaged SCF rocked
- 1FS2 2.9 Å, Insights into scf ubiquitin ligases from the structure of the SKP1-SKP2 complex
- 8OR3 2.9 Å, CAND1-CUL1-RBX1-SKP1-SKP2-DCNL1
- 9QO4 2.95 Å, Dissociation-state-3 of 9-subunit CSN and SCF (SKP1-SKP2-CKS1) complex
- 2ASS 3.0 Å, Crystal structure of the Skp1-Skp2-Cks1 complex
- 7Z8T 3.0 Å, CAND1-SCF-SKP2 CAND1 engaged SCF rocked
- 1LDK 3.1 Å, Structure of the Cul1-Rbx1-Skp1-F boxSkp2 SCF Ubiquitin Ligase Complex
- 7ZBZ 3.1 Å, CAND1 delhairpin-SCF-SKP2 CAND1 partly engaged SCF partly rocked
- 8OR0 3.1 Å, CAND1-CUL1-RBX1-SKP1-SKP2-CKS1-CDK2
- 7LUO 3.17 Å, N-terminus of Skp2 bound to Cyclin A
Browse structure collections
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