4knk

X-ray diffraction
1.12Å resolution

Crystal structure of Staphylococcus aureus hydrolase AmiA

Released:

Function and Biology Details

Reactions catalysed:
Endohydrolysis of the N,N'-diacetylchitobiosyl unit in high-mannose glycopeptides and glycoproteins containing the -(Man(GlcNAc)(2))Asn- structure. One N-acetyl-D-glucosamine residue remains attached to the protein, the rest of the oligosaccharide is released intact.
Hydrolyzes the link between N-acetylmuramoyl residues and L-amino acid residues in certain cell-wall glycopeptides
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-173483 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bifunctional autolysin Chains: A, B
Molecule details ›
Chains: A, B
Length: 225 amino acids
Theoretical weight: 25.27 KDa
Source organism: Staphylococcus aureus subsp. aureus NCTC 8325
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q2FZK7 (Residues: 198-421; Coverage: 18%)
Gene names: SAOUHSC_00994, atl, nag
Sequence domains: N-acetylmuramoyl-L-alanine amidase
Structure domains: Peptidoglycan recognition protein-like

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: C2
Unit cell:
a: 96.8Å b: 81.68Å c: 68.69Å
α: 90° β: 128.84° γ: 90°
R-values:
R R work R free
0.122 0.121 0.139
Expression system: Escherichia coli BL21(DE3)