› 4ro0

X-ray diffraction
3.18Å resolution

Crystal structure of MthK gating ring in a ligand-free form

Released:
DOI: 10.2210/pdb4ro0/pdb
PDB entry 4ro0 coloured by chain, front view.
PDB entry 4ro0 coloured by chain, side view.
PDB entry 4ro0 coloured by chain, top view.
Source organism: Methanothermobacter thermautotrophicus str. Delta H
Entry authors: Dong W, Guo R, Chai H, Chen Z, Cui H, Ren Z, Li Y, Ye S

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo octamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-127900 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Calcium-gated potassium channel MthK Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t
Length: 230 amino acids
Theoretical weight: 25.45 KDa
Source organism: Methanothermobacter thermautotrophicus str. Delta H
UniProt:
  • Canonical: O27564 (Residues: 107-336; Coverage: 69%)
Gene names: MTH_1520, mthK
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P21
Unit cell:
a: 166.339Å b: 231.68Å c: 197.979Å
α: 90° β: 94.58° γ: 90°
R-values:
R R work R free
0.264 0.263 0.301

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