4ffs

X-ray diffraction
1.9Å resolution

Crystal structure of 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase from Helicobacter pylori with butyl-thio-DADMe-Immucillin-A

Released:
Model geometry
Fit model/data

Function and Biology Details

Reactions catalysed:
6-amino-6-deoxyfutalosine + H(2)O = dehypoxanthine futalosine + adenine
5'-deoxyadenosine + H(2)O = 5-deoxy-D-ribose + adenine
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-195684 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Aminodeoxyfutalosine nucleosidase Chain: A
Molecule details ›
Chain: A
Length: 239 amino acids
Theoretical weight: 26.29 KDa
Source organism: Helicobacter pylori J99
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9ZMY2 (Residues: 1-230; Coverage: 100%)
Gene names: jhp_0082, mtn, mtnN
Sequence domains: Phosphorylase superfamily
Structure domains: Nucleoside phosphorylase domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: NSLS BEAMLINE X29A
Spacegroup: I432
Unit cell:
a: 157.732Å b: 157.732Å c: 157.732Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.163 0.161 0.192
Expression system: Escherichia coli BL21(DE3)