4NE1: Human MHF1 MHF2 DNA complexes

Human MHF1 MHF2 DNA complexes. Determined by X-ray diffraction at 6.5 Å resolution. Released 22 Jan 2014.

Method
X-ray diffraction
Resolution
6.5 Å
Organisms
Synthetic DNA, Homo sapiens
Chains
48
Atoms
31,827
Mol. weight
473.66 kDa
Released
22 Jan 2014

Explore 4NE1 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4NE1 contains 151 α-helices and 70 β-strands across 40 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: 6 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix15-3824
α-helix411
β-strand4212
α-helix431
α-helix44-7128
β-strand76-7723
α-helix79-857
α-helix90-10516
Chain A: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix15-3723
β-strand42115
α-helix44-7128
β-strand76-77216
α-helix79-857
α-helix90-10415
Chains b, h, p, q, V and W: 3 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix12-209
β-strand29-3023
α-helix32-5928
β-strand6512
α-helix67-8014
Chains B and r: 3 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix12-209
β-strand29-30216
α-helix32-5928
β-strand65115
α-helix67-7913
Chain c: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix15-3824
β-strand4214
α-helix44-7128
β-strand7715
α-helix79-857
α-helix90-10415
Chain C: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix15-3723
β-strand4216
α-helix44-7128
β-strand76-7727
α-helix79-846
α-helix90-10516
Chain d: 3 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix12-209
β-strand3015
α-helix32-6029
β-strand6514
α-helix67-8014
Chain D: 3 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix12-2110
β-strand29-3027
α-helix32-5928
β-strand6516
α-helix67-8014

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA (26-mer)E, O, s, uDNA26Synthetic DNA
DNA (26-mer)F, P, t, vDNA26Synthetic DNA
Centromere protein SA, C, G, I, J, K, Q, R, S, T, Y, a, c, e, f, g, k, l, m, nprotein105Homo sapiensQ8N2Z9 (AlphaFold model)
Centromere protein XB, D, H, L, M, N, U, V, W, X, Z, b, d, h, i, j, o, p, q, rprotein74Homo sapiensA8MT69 (AlphaFold model)
Sequence of entity 1 (E, O, s, u), FASTA
>4NE1_1 DNA (26-MER) (chains E, O, s, u)
AAAAAAAAAAAAAAAAAAAAAAAAAA
Sequence of entity 2 (F, P, t, v), FASTA
>4NE1_2 DNA (26-MER) (chains F, P, t, v)
TTTTTTTTTTTTTTTTTTTTTTTTTT
Sequence of entity 3 (A, C, G, I, J, K, Q, R, S, T, Y, a, c, e, f, g, k, l, m, n), FASTA
>4NE1_3 Centromere protein S (chains A, C, G, I, J, K, Q, R, S, T, Y, a, c, e, f, g, k, l, m, n)
SYQQRLKAAVHYTVGCLCEEVALDKAMQFSKQTIAAISELTFRQCENFAKDLEMFARHAK
RTTINTEDVKLLARRSNSLLKYITDKSEEIAQANLERKAQKKKKS
Sequence of entity 4 (B, D, H, L, M, N, U, V, W, X, Z, b, d, h, i, j, o, p, q, r), FASTA
>4NE1_4 Centromere protein X (chains B, D, H, L, M, N, U, V, W, X, Z, b, d, h, i, j, o, p, q, r)
SGFRKELVSRLLHLHFKDDKTKVSGDALQLMVELLKVFVVEAAVRGVRQAQAEDALRVDV
DQLEKVLPQLLLDF

Primary citation

The MHF complex senses branched DNA by binding a pair of crossover DNA duplexes. Zhao, Q., Saro, D., Sachpatzidis, A. et al. Nat Commun (2014) 5:2987-2987. DOI 10.1038/ncomms3987 · PubMed

Other PDB entries of the same protein (UniProt Q8N2Z9 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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