6uov

Electron Microscopy
3.5Å resolution

Cryo-EM reconstruction of the PrgHK periplasmic ring from Salmonella's needle complex assembled in the absence of the export apparatus

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero 46-mer (preferred)
PDBe Complex ID:
PDB-CPX-154431 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Lipoprotein PrgK Chains: A, C, E, G, I, K, M, O, Q, S, U, W, Y, a, c, e, g, i, k, m, o, q, s
Molecule details ›
Chains: A, C, E, G, I, K, M, O, Q, S, U, W, Y, a, c, e, g, i, k, m, o, q, s
Length: 252 amino acids
Theoretical weight: 28.25 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
UniProt:
  • Canonical: P41786 (Residues: 1-252; Coverage: 100%)
Gene names: STM2871, prgK
Sequence domains: Secretory protein of YscJ/FliF family
Protein PrgH Chains: B, D, F, H, J, L, N, P, R, T, V, X, Z, b, d, f, h, j, l, n, p, r, t
Molecule details ›
Chains: B, D, F, H, J, L, N, P, R, T, V, X, Z, b, d, f, h, j, l, n, p, r, t
Length: 392 amino acids
Theoretical weight: 44.51 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
UniProt:
  • Canonical: P41783 (Residues: 1-392; Coverage: 100%)
Gene names: STM2874, prgH
Sequence domains: Type III secretion system protein PrgH-EprH (PrgH)

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.5Å
Relevant EMDB volumes: EMD-20833