4XEK: Pyk2-FAT domain

Pyk2-FAT domain in complex with leupaxin LD4 motif. Determined by X-ray diffraction at 1.79 Å resolution. Released 30 Dec 2015.

Method
X-ray diffraction
Resolution
1.79 Å
Organism
Homo sapiens
Chains
2
Atoms
1,212
Mol. weight
17.32 kDa
Released
30 Dec 2015

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

Secondary structure: helices and β-sheets

4XEK contains 8 α-helices and 0 β-strands across 2 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-helix872-8743
α-helix879-89719
α-helix903-9053
α-helix906-92722
α-helix928-9303
α-helix933-96230
α-helix969-100436
Chain C: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix88-9811

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Protein-tyrosine kinase 2-betaAprotein139Homo sapiensQ14289 (AlphaFold model)
19-mer peptide containing Leupaxin LD4 motifCprotein19Homo sapiensO60711 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4XEK_1 Protein-tyrosine kinase 2-beta (chains A)
GSHMANLDRTDDLVYLNVMELVRAVLELKNELSQLPPEGYVVVVKNVGLTLRKLIGSVDD
LLPSLPSSSRTEIEGTQKLLNKDLAELINKMRLAQQNAVTSLSEEAKRQMLTASHTLAVD
AKNLLDAVDQAKVLANLAH
Sequence of entity 2 (C), FASTA
>4XEK_2 19-mer peptide containing Leupaxin LD4 motif (chains C)
KTSAAAQLDELMAHLTEMQ

Primary citation

Structural Basis for the Interaction between Pyk2-FAT Domain and Leupaxin LD Repeats. Vanarotti, M.S., Finkelstein, D.B., Guibao, C.D. et al. Biochemistry (2016) 55:1332-1345. DOI 10.1021/acs.biochem.5b01274 · PubMed

Other PDB entries of the same protein (UniProt Q14289 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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