9VIN: PDB entry 9VIN

Ternary complex of TNFR1-DD, TRADD-DD and RIPK1-DD. Determined by electron microscopy at 3.41 Å resolution. Released 8 Apr 2026.

Method
Electron microscopy
Resolution
3.41 Å
Organism
Homo sapiens
Chains
31
Atoms
24,273
Mol. weight
411.68 kDa
Released
8 Apr 2026

Explore 9VIN in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9VIN contains 215 α-helices and 46 β-strands across 31 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: 7 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix356-3649
α-helix368-37811
α-helix382-39110
α-helix396-41015
α-helix414-4163
α-helix418-42811
α-helix431-44010
Chain A: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix356-3649
α-helix368-3769
α-helix384-3896
α-helix396-41015
α-helix413-4153
α-helix418-4269
α-helix431-44010
Chains b, D and e: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix356-3649
α-helix368-3769
α-helix382-39110
α-helix396-41015
α-helix413-4153
α-helix418-42710
α-helix431-44010
Chain B: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix356-36510
α-helix368-3769
α-helix382-39110
α-helix397-41014
α-helix413-4153
α-helix418-42710
α-helix431-44010
Chain c: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix356-3638
α-helix368-37811
α-helix382-39110
α-helix396-41015
α-helix413-4153
α-helix418-4269
α-helix431-44010
Chain C: 6 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix356-36510
α-helix368-3769
α-helix382-39110
α-helix396-41015
α-helix418-42811
α-helix431-44010
Chain d: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix356-36510
α-helix368-3769
α-helix382-39110
α-helix396-41015
α-helix413-4153
α-helix418-42811
α-helix431-44010
Chain E: 6 helices, 4 β-strands
ElementResiduesLengthSheet
β-strand201-20441
β-strand207-21041
β-strand21312
α-helix216-2238
α-helix230-2378
α-helix248-2558
α-helix261-27616
β-strand28112
α-helix282-2898
α-helix295-3028

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Tumor necrosis factor receptor type 1-associated DEATH domain proteinE, F, N, V, Wprotein118Homo sapiensQ15628 (AlphaFold model)
Receptor-interacting serine/threonine-protein kinase 1i, j, k, l, m, n, o, p, q, r, s, t, uprotein116Homo sapiensQ13546 (AlphaFold model)
Tumor necrosis factor receptor superfamily member 1A, membrane formA, B, C, D, G, a, b, c, d, e, f, g, hprotein118Homo sapiensP19438 (AlphaFold model)
Sequence of entity 1 (E, F, N, V, W), FASTA
>9VIN_1 Tumor necrosis factor receptor type 1-associated DEATH domain protein (chains E, F, N, V, W)
GPGSAQTFLFQGQPVVNRPLSLKDQQTFARSVGLKWRKVGRSLQRGCRALRDPALDSLAY
EYEREGLYEQAFQLLRRFVQAEGRRATLQRLVEALEENELTSLAEDLLGLTDPNGGLA
Sequence of entity 2 (i, j, k, l, m, n, o, p, q, r, s, t, u), FASTA
>9VIN_2 Receptor-interacting serine/threonine-protein kinase 1 (chains i, j, k, l, m, n, o, p, q, r, s, t, u)
GPGSTNTNFKEEPAAKYQAIFDNTTSLTDKHLDPIRENLGKHWKNCARKLGFTQSQIDEI
DHDYERDGLKEKVYQMLQKWVMREGIKGATVGKLAQALHQCSRIDLLSSLIYVSQN
Sequence of entity 3 (A, B, C, D, G, a, b, c, d, e, f, g, h), FASTA
>9VIN_3 Tumor necrosis factor receptor superfamily member 1A, membrane form (chains A, B, C, D, G, a, b, c, d, e, f, g, h)
GPGSEDSAHKPQSLDTDDPATLYAVVENVPPLRWKEFVRRLGLSDHEIDRLELQNGRCLR
EAQYSMLATWRRRTPRREATLELLGRVLRDMDLLGCLEDIEEALCGPAALPPAPSLLR

Primary citation

Electric dipole moment drives the dynamics of the TNFR1 complex I signalosome. Liu, J., Zhao, J., Gao, J. et al. Nature (2026) 653:1196-1204. DOI 10.1038/s41586-026-10304-1 · PubMed

Other PDB entries of the same protein (UniProt Q15628 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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