› 2rgq

X-ray diffraction
1.8Å resolution

Crystal structure of a protein of unknown function with a cystatin-like fold (npun_r3134) from nostoc punctiforme pcc 73102 at 1.80 A resolution

Released:
DOI: 10.2210/pdb2rgq/pdb
PDB entry 2rgq coloured by chain, front view.
PDB entry 2rgq coloured by chain, side view.
PDB entry 2rgq coloured by chain, top view.
Source organism: Nostoc punctiforme PCC 73102
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-163223 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Domain of Unknown Function with a Cystatin-Like Fold Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 144 amino acids
Theoretical weight: 16.41 KDa
Source organism: Nostoc punctiforme PCC 73102
Expression system: Escherichia coli
Structure domains: Nuclear Transport Factor 2; Chain: A,

Ligands and Environments

3 bound ligands:
Ligand K 1 x K
Ligand GOL 5 x GOL
Ligand PEG 1 x PEG
1 modified residue:
Ligand MSE 15 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.1
Spacegroup: P21212
Unit cell:
a: 92.487Å b: 93.768Å c: 53.069Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.164 0.163 0.196
Expression system: Escherichia coli

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