› 3cu3

X-ray diffraction
2Å resolution

Crystal structure of a domain of unknown function with a cystatin-like fold (npun_r1993) from nostoc punctiforme pcc 73102 at 2.00 A resolution

Released:
DOI: 10.2210/pdb3cu3/pdb
PDB entry 3cu3 coloured by chain, front view.
PDB entry 3cu3 coloured by chain, side view.
PDB entry 3cu3 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 dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-112097 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DUF4440 domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 172 amino acids
Theoretical weight: 19.36 KDa
Source organism: Nostoc punctiforme PCC 73102
Expression system: Escherichia coli
UniProt:
  • Canonical: D0VWT9 (Residues: 2-172; Coverage: 99%)
Gene name: ZP_00107529.1
Sequence domains: Domain of unknown function (DUF4440)
Structure domains: Nuclear Transport Factor 2; Chain: A,

Ligands and Environments

3 bound ligands:
Ligand MG 1 x MG
Ligand EDO 4 x EDO
Ligand PEG 1 x PEG
1 modified residue:
Ligand MSE 3 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: I212121
Unit cell:
a: 50.51Å b: 71.9Å c: 117.56Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.164 0.161 0.216
Expression system: Escherichia coli

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