2TNF: Protein

1.4 a resolution structure of mouse tumor necrosis factor, towards modulation of its selectivity and trimerisation. Determined by X-ray diffraction at 1.4 Å resolution. Released 12 Oct 1999.

Method
X-ray diffraction
Resolution
1.4 Å
Organism
Mus musculus
Chains
3
Atoms
3,729
Mol. weight
52 kDa
Ligands
IPA
Released
12 Oct 1999

Explore 2TNF in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2TNF contains 5 α-helices and 36 β-strands across 3 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: 1 helix, 12 β-strands

ElementResiduesLengthSheet
β-strand13-1861
β-strand28-2921
β-strand36-3831
β-strand42-4432
β-strand47-4932
β-strand54-67141
β-strand76-8382
β-strand90-9892
β-strand113-126141
β-strand131-13662
α-helix139-1413
β-strand14211
β-strand151-15661
Chain B: 2 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand13-1863
β-strand28-2923
β-strand36-3833
β-strand42-4434
β-strand47-4934
β-strand54-67143
β-strand76-8384
β-strand91-9884
α-helix111-1122
β-strand113-126143
β-strand131-13664
α-helix139-1413
β-strand14213
β-strand151-15663
Chain C: 2 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix10-123
β-strand13-1865
β-strand28-2925
β-strand36-3835
β-strand42-4436
β-strand47-4936
β-strand54-67145
β-strand76-8386
β-strand91-9886
β-strand113-126145
β-strand131-13666
α-helix139-1413
β-strand14215
β-strand151-15665

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Protein (tumor necrosis factor alpha)A, B, Cprotein156Mus musculusP06804 (AlphaFold model)
Sequence of entity 1 (A, B, C), FASTA
>2TNF_1 PROTEIN (TUMOR NECROSIS FACTOR ALPHA) (chains A, B, C)
LRSSSQNSSDKPVAHVVANHQVEEQLEWLSQRANALLANGMDLKDNQLVVPADGLYLVYS
QVLFKGQGCPDYVLLTHTVSRFAISYQEKVNLLSAVKSPCPKDTPEGAELKPWYEPIYLG
GVFQLEKGDQLSAEVNLPKYLDFAESGQVYFGVIAL

Ligands and cofactors

IDNameFormulaCopies
IPAIsopropyl alcoholC3 H8 O1

Water and common crystallization additives (TRS) are not listed.

Primary citation

The structure of mouse tumour-necrosis factor at 1.4 A resolution: towards modulation of its selectivity and trimerization. Baeyens, K.J., De Bondt, H.L., Raeymaekers, A. et al. Acta Crystallogr D Biol Crystallogr (1999) 55:772-778. DOI 10.1107/S0907444998018435 · PubMed

Other PDB entries of the same protein (UniProt P06804 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 2TNF directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.