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

ElementResiduesLengthSheet
α-helix114-1229
α-helix126-1327
α-helix137-1426
α-helix146-1483
β-strand151-15331
β-strand15812
α-helix161-1688
β-strand174-17631
β-strand181-18222
β-strand19313
β-strand197-19931
β-strand204-20522
α-helix207-2148
β-strand21713
β-strand222-22431
β-strand22914
α-helix232-2398
β-strand246-24831
β-strand25314
α-helix257-26610
β-strand272-27431
α-helix283-29210
β-strand299-30131
α-helix311-32010
β-strand326-32831
α-helix337-3393
α-helix340-3434
β-strand351-35331
α-helix363-3708
β-strand376-37831
α-helix385-39410
β-strand40011
β-strand42115
β-strand42415
β-strand428-42921
Chains B, H and L: 8 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand3-866
β-strand13-1756
α-helix18-214
α-helix25-339
β-strand45-4736
α-helix52-6413
α-helix87-926
α-helix97-10913
α-helix113-12715
α-helix132-1398
α-helix149-1557
Chain C: 16 helices, 17 β-strands
ElementResiduesLengthSheet
α-helix114-1229
α-helix126-1327
α-helix137-1426
α-helix146-1494
β-strand151-15337
β-strand15818
α-helix161-1688
β-strand174-17637
β-strand181-18228
α-helix192-1932
β-strand197-19937
β-strand204-20528
α-helix207-2148
β-strand222-22437
β-strand22919
α-helix232-2387
β-strand246-24837
β-strand25319
α-helix257-26610
β-strand272-27437
α-helix283-29210
β-strand299-30137
α-helix311-32010
β-strand326-32837
α-helix337-3393
α-helix340-3434
β-strand351-35337
α-helix362-3709
β-strand376-37837
α-helix385-39410
β-strand399-40027
α-helix421-4233
β-strand42817
Chain D: 8 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand3-7510
β-strand13-17510
α-helix18-214
α-helix25-339
β-strand44-46310
α-helix52-6413
α-helix87-926
α-helix97-10913
α-helix113-12715
α-helix132-1398
α-helix149-1557
Chain E: 15 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix114-1229
α-helix126-1327
α-helix137-1426
α-helix146-1483
β-strand151-153311
β-strand158112
α-helix161-1688
β-strand174-176311
β-strand181-182212
α-helix192-1932
β-strand197-199311
β-strand204-205212
α-helix207-2148
β-strand222-224311
β-strand229113
α-helix232-2387
β-strand246-248311
β-strand253113
α-helix257-26610
β-strand272-274311
α-helix283-29210
β-strand299-301311
α-helix311-32010
β-strand326-328311
α-helix337-3393
α-helix340-3434
β-strand351-353311
α-helix362-3698
β-strand376-378311
α-helix385-39410
β-strand400111
β-strand421114
β-strand424114
β-strand428-429211
Chain F: 8 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand3-8615
β-strand13-17515
α-helix18-214
α-helix25-339
β-strand45-47315
α-helix52-6413
α-helix87-926
α-helix97-10913
α-helix113-12715
α-helix132-1387
α-helix149-1557
Chain G: 15 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix114-1229
α-helix126-1327
α-helix137-1426
α-helix146-1494
β-strand151-153316
β-strand158117
α-helix161-1688
β-strand174-176316
β-strand181-182217
α-helix192-1932
β-strand197-199316
β-strand204-205217
α-helix207-2148
β-strand222-224316
β-strand229118
α-helix232-2387
β-strand246-248316
β-strand253118
α-helix257-26610
β-strand272-274316
α-helix283-29210
β-strand299-301316
α-helix311-32010
β-strand326-328316
α-helix337-3393
α-helix340-3434
β-strand351-353316
α-helix362-3709
β-strand376-378316
α-helix385-39410
β-strand400116
β-strand421119
β-strand424119
β-strand428-429216
Chain I: 14 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix114-1229
α-helix126-1327
α-helix137-1426
α-helix146-1494
β-strand151-153321
β-strand158122
α-helix161-1688
β-strand174-176321
β-strand181-182222
β-strand197-199321
β-strand204-205222
α-helix207-2148
β-strand222-224321
β-strand229123
α-helix232-2387
β-strand246-248321
β-strand253123
α-helix257-26610
β-strand272-274321
α-helix283-29210
β-strand299-301321
α-helix311-32010
β-strand326-328321
α-helix337-3393
α-helix340-3434
β-strand351-353321
α-helix362-3698
β-strand376-378321
α-helix385-39410
β-strand400121
β-strand421124
β-strand424124
β-strand428-429221

6 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
SKP2A, C, E, G, I, K, M, Oprotein336Homo sapiensQ13309 (AlphaFold model)
SKP1B, D, F, H, J, L, N, Pprotein149Homo sapiensP63208 (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:

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