4DCK: C-terminus of voltage-gated sodium channel

Crystal structure of the C-terminus of voltage-gated sodium channel in complex with FGF13 and CaM. Determined by X-ray diffraction at 2.2 Å resolution. Released 27 Jun 2012.

Method
X-ray diffraction
Resolution
2.2 Å
Organism
Homo sapiens
Chains
3
Atoms
3,693
Mol. weight
57.9 kDa
Ligands
MG
Released
27 Jun 2012

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

Secondary structure: helices and β-sheets

4DCK contains 23 α-helices and 22 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: 10 helices, 6 β-strands

ElementResiduesLengthSheet
β-strand177711
β-strand178611
α-helix1788-180114
β-strand1808-181032
α-helix1811-18133
α-helix1814-18207
α-helix18221
α-helix18281
α-helix1832-18376
β-strand1841-184332
β-strand1847-184932
α-helix1850-186213
α-helix1866-188217
α-helix1886-18883
β-strand1892-189542
α-helix1896-192631
Chain B: 8 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix7-1812
α-helix30-3910
α-helix46-549
α-helix66-9328
β-strand100-10233
α-helix103-11210
α-helix116-1183
α-helix119-12911
β-strand136-13833
α-helix139-14810
Chain C: 5 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand13-22104
β-strand26-3054
β-strand36-3944
β-strand49-5574
β-strand58-6364
α-helix681
β-strand69-7244
β-strand78-8144
α-helix86-883
β-strand90-9564
β-strand99-108104
β-strand115-11734
β-strand12015
β-strand12514
β-strand12615
α-helix129-1313
α-helix137-1393
β-strand141-151114
α-helix152-1565

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Sodium channel protein type 5 subunit alphaAprotein168Homo sapiensQ14524 (AlphaFold model)
CalmodulinBprotein149Homo sapiensP0DP23 (AlphaFold model)
Fibroblast growth factor 13Cprotein192Homo sapiensQ92913 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4DCK_1 Sodium channel protein type 5 subunit alpha (chains A)
ENFSVATEESTEPLSEDDFDMFYEIWEKFDPEATQFIEYSVLSDFADALSEPLRIAKPNQ
ISLINMDLPMVSGDRIHCMDILFAFTKRVLGESGEMDALKIQMEEKFMAANPSKISYEPI
TTTLRRKHEEVSAMVIQRAFRRHLLQRSLKHASFLFRQQAGSGLSEED
Sequence of entity 2 (B), FASTA
>4DCK_2 Calmodulin (chains B)
MADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADG
NGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDE
EVDEMIREADIDGDGQVNYEEFVQMMTAK
Sequence of entity 3 (C), FASTA
>4DCK_3 Fibroblast growth factor 13 (chains C)
MALLRKSYSEPQLKGIVTKLYSRQGYHLQLQADGTIDGTKDEDSTYTLFNLIPVGLRVVA
IQGVQTKLYLAMNSEGYLYTSELFTPECKFKESVFENYYVTYSSMIYRQQQSGRGWYLGL
NKEGEIMKGNHVKKNKPAAHFLPKPLKVAMYKEPSLHDLTEFSRSGSGTPTKSRSVSGVL
NGGKSMSHNEST

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg3

Primary citation

Crystal Structure of the Ternary Complex of a NaV C-Terminal Domain, a Fibroblast Growth Factor Homologous Factor, and Calmodulin. Wang, C., Chung, B.C., Yan, H. et al. Structure (2012) 20:1167-1176. DOI 10.1016/j.str.2012.05.001 · PubMed

Other PDB entries of the same protein (UniProt Q14524 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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