4EZY: Substrate binding domain of E.coli DnaK

Crystal structure of the substrate binding domain of E.coli DnaK in complex with the designer peptide NRLILTG. Determined by X-ray diffraction at 1.85 Å resolution. Released 17 Apr 2013.

Method
X-ray diffraction
Resolution
1.85 Å
Organism
Escherichia coli
Chains
2
Atoms
1,829
Mol. weight
24.7 kDa
Released
17 Apr 2013

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

Secondary structure: helices and β-sheets

4EZY contains 8 α-helices and 13 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: 8 helices, 12 β-strands

ElementResiduesLengthSheet
β-strand39411
β-strand399-40352
β-strand407-41262
β-strand41711
β-strand420-42673
β-strand427-42824
β-strand436-44272
β-strand44712
α-helix448-4503
β-strand452-45982
α-helix462-4632
β-strand472-47873
β-strand484-49073
β-strand496-50163
α-helix509-52113
α-helix523-55331
α-helix554-5563
α-helix559-57618
α-helix581-59414
α-helix596-60611
Chain B: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand3-424

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Chaperone protein DnaKAprotein219Escherichia coliP0A6Y8 (AlphaFold model)
synthetic peptide NRLILTGBprotein7
Sequence of entity 1 (A), FASTA
>4EZY_1 Chaperone protein DnaK (chains A)
VLLLDVTPLSLGIETMGGVMTTLIAKNTTIPTKHSQVFSTAEDNQSAVTIHVLQGERKRA
ADNKSLGQFNLDGINPAPRGMPQIEVTFDIDADGILHVSAKDKNSGKEQKITIKASSGLN
EDEIQKMVRDAEANAEADRKFEELVQTRNQGDHLLHSTRKQVEEAGDKLPADDKTAIESA
LTALETALKGEDKAAIEAKMQELAQVSQKLMEIAQQQHA
Sequence of entity 2 (B), FASTA
>4EZY_2 synthetic peptide NRLILTG (chains B)
NRLILTG

Primary citation

Structural Studies on the Forward and Reverse Binding Modes of Peptides to the Chaperone DnaK. Zahn, M., Berthold, N., Kieslich, B. et al. J Mol Biol (2013) 425:2463-2479. DOI 10.1016/j.jmb.2013.03.041 · PubMed

Other PDB entries of the same protein (UniProt P0A6Y8 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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