› 7d75

X-ray diffraction
2.5Å resolution

X-ray structure of a domain-swapped dimer of Monellin with YEDKG loop-1 mutant

Released:
DOI: 10.2210/pdb7d75/pdb
PDB entry 7d75 coloured by chain, front view.
PDB entry 7d75 coloured by chain, side view.
PDB entry 7d75 coloured by chain, top view.
Source organism: Dioscoreophyllum cumminsii
Entry authors: Manjula R, Ramaswamy S, Gosavi S

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-136326 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Monellin chain A; Monellin chain B Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 91 amino acids
Theoretical weight: 10.69 KDa
Source organism: Dioscoreophyllum cumminsii
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P02882 (Residues: 1-49; Coverage: 98%)
  • Canonical: P02881 (Residues: 5-45; Coverage: 91%)
Sequence domains: Monellin

Ligands and Environments

3 bound ligands:
Ligand MES 2 x MES
Ligand SO4 12 x SO4
Ligand MG 18 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU R-AXIS IV
Spacegroup: P2
Unit cell:
a: 45.794Å b: 55.783Å c: 105.831Å
α: 90° β: 93.63° γ: 90°
R-values:
R R work R free
0.264 0.262 0.304
Expression system: Escherichia coli BL21

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