5QU6: Swapped human Nck SH3.1 domain, 1.8A, triclinic

Crystal Structure of swapped human Nck SH3.1 domain, 1.8A, triclinic. Determined by X-ray diffraction at 1.82 Å resolution. Released 12 Feb 2020.

Method
X-ray diffraction
Resolution
1.82 Å
Organism
Homo sapiens
Chains
28
Atoms
13,353
Mol. weight
288.38 kDa
Released
12 Feb 2020

Explore 5QU6 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5QU6 contains 40 α-helices and 222 β-strands across 28 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 1: 1 helix, 8 β-strands

ElementResiduesLengthSheet
β-strand6-943
β-strand1414
β-strand2113
β-strand2414
β-strand29-3243
β-strand39-4353
β-strand49-5353
α-helix54-563
β-strand5715
Chain 2: 1 helix, 5 β-strands
ElementResiduesLengthSheet
β-strand6-943
β-strand1015
β-strand29-3243
β-strand39-4353
β-strand49-5353
α-helix54-563
Chains A, B, C and D: 1 helix, 8 β-strands
ElementResiduesLengthSheet
β-strand6-1051
β-strand1412
β-strand2111
β-strand2412
β-strand29-3241
β-strand39-4351
β-strand49-5351
α-helix54-563
β-strand57-5821
Chain E: 1 helix, 8 β-strands
ElementResiduesLengthSheet
β-strand5-10610
β-strand14111
β-strand21110
β-strand24111
β-strand29-33510
β-strand39-43510
β-strand49-53510
α-helix54-563
β-strand57-58210
Chain F: 1 helix, 8 β-strands
ElementResiduesLengthSheet
β-strand6-10510
β-strand14112
β-strand21110
β-strand24112
β-strand29-32410
β-strand39-43510
β-strand49-53510
α-helix54-563
β-strand57-59310
Chain G: 2 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand7-10413
β-strand14114
β-strand21113
β-strand24114
β-strand29-32413
α-helix34-363
β-strand39-43513
β-strand49-53513
α-helix54-563
β-strand57-58213
Chains H and S: 2 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand6-10513
β-strand14115
β-strand21113
β-strand24115
β-strand29-32413
α-helix34-363
β-strand39-43513
β-strand49-53513
α-helix54-563
β-strand57-59313
Chain I: 1 helix, 8 β-strands
ElementResiduesLengthSheet
β-strand5-10616
β-strand14117
β-strand21116
β-strand24117
β-strand29-33516
β-strand39-43516
β-strand49-53516
α-helix54-563
β-strand57118

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Cytoplasmic protein NCK11, 2, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Zprotein87Homo sapiensP16333 (AlphaFold model)
Sequence of entity 1 (1, 2, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z), FASTA
>5QU6_1 Cytoplasmic protein NCK1 (chains 1, 2, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z)
SGGLNDIFEAQKIEWHEGSENLYFQSMAEEVVVVAKFDYVAQQEQELDIKKNERLWLLDD
SKSWWRVRNSMNKTGFVPSNYVERKNS

Primary citation

Small molecule AX-024 reduces T cell proliferation independently of CD3ε/Nck1 interaction, which is governed by a domain swap in the Nck1-SH3.1 domain. Richter, K., Rufer, A.C., Muller, M. et al. J Biol Chem (2020) 295:7849-7864. DOI 10.1074/jbc.RA120.012788 · PubMed

Other PDB entries of the same protein (UniProt P16333 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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