5tcr

Electron Microscopy
6.3Å resolution

Atomic model of the Salmonella SPI-1 type III secretion injectisome basal body proteins InvG, PrgH, and PrgK

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero 63-mer (preferred)
PDBe Complex ID:
PDB-CPX-152994 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
SPI-1 type 3 secretion system secretin Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O
Length: 562 amino acids
Theoretical weight: 61.84 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
UniProt:
  • Canonical: P35672 (Residues: 1-562; Coverage: 100%)
Gene names: STM2898, invG, sctC1
Sequence domains:
Lipoprotein PrgK Chains: 1, 3, 5, 7, 9, P, R, T, V, X, a, c, e, g, i, k, m, o, q, s, u, w, y, z
Molecule details ›
Chains: 1, 3, 5, 7, 9, P, R, T, V, X, a, c, e, g, i, k, m, o, q, s, u, w, y, z
Length: 235 amino acids
Theoretical weight: 26.2 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
UniProt:
  • Canonical: P41786 (Residues: 18-252; Coverage: 100%)
Gene names: STM2871, prgK
Sequence domains: Secretory protein of YscJ/FliF family
Protein PrgH Chains: 0, 10, 2, 4, 6, 8, Q, S, U, W, Y, Z, b, d, f, h, j, l, n, p, r, t, v, x
Molecule details ›
Chains: 0, 10, 2, 4, 6, 8, Q, S, U, W, Y, Z, b, d, f, h, j, l, n, p, r, t, v, x
Length: 263 amino acids
Theoretical weight: 30.36 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
UniProt:
  • Canonical: P41783 (Residues: 130-392; Coverage: 67%)
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: 6.3Å
Relevant EMDB volumes: EMD-8400