› 1m5q

X-ray diffraction
2Å resolution

Crystal structure of a novel Sm-like archaeal protein from Pyrobaculum aerophilum

Released:
DOI: 10.2210/pdb1m5q/pdb
PDB entry 1m5q coloured by chain, front view.
PDB entry 1m5q coloured by chain, side view.
PDB entry 1m5q coloured by chain, top view.
Source organism: Pyrobaculum aerophilum
Primary publication:
Structure and assembly of an augmented Sm-like archaeal protein 14-mer.
Mura C, Phillips M, Kozhukhovsky A, Eisenberg D
Proc Natl Acad Sci U S A 100 4539-44 (2003)
PMID: 12668760

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetradecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-187417 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sm domain-containing protein Chains: 1, 2, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
Molecule details ›
Chains: 1, 2, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
Length: 130 amino acids
Theoretical weight: 15.01 KDa
Source organism: Pyrobaculum aerophilum
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8ZVU2 (Residues: 12-141; Coverage: 90%)
Gene name: PAE2122
Sequence domains:
Structure domains:

Ligands and Environments

4 bound ligands:
Ligand CD 28 x CD
Ligand NA 5 x NA
Ligand GOL 12 x GOL
Ligand ACY 15 x ACY
1 modified residue:
Ligand MSE 84 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X8C
Spacegroup: P21
Unit cell:
a: 83.322Å b: 172.427Å c: 148.108Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.191 0.191 0.236
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

7 review citations

Gating prokaryotic mechanosensitive channels.
Perozo E. (2006)
6 more

8 mentions without citation

PRISM: protein-protein interaction prediction by structural matching.
Keskin et al. (2008)
7 more