2i26

X-ray diffraction
2.5Å resolution

Crystal structure analysis of the nurse shark new antigen receptor ancestral variable domain in complex with lysozyme

Released:

Function and Biology Details

Reaction catalysed:
Hydrolysis of (1->4)-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-132865 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ig-like domain-containing protein Chains: N, O, P
Molecule details ›
Chains: N, O, P
Length: 121 amino acids
Theoretical weight: 13.29 KDa
Source organism: Ginglymostoma cirratum
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8JGG7 (Residues: 12-95; Coverage: 78%)
Gene name: NAR
Sequence domains: Immunoglobulin V-set domain
Structure domains: Immunoglobulins
Lysozyme C Chains: L, M, Q
Molecule details ›
Chains: L, M, Q
Length: 129 amino acids
Theoretical weight: 14.33 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: P00698 (Residues: 19-147; Coverage: 100%)
Gene name: LYZ
Sequence domains: C-type lysozyme/alpha-lactalbumin family
Structure domains: Lysozyme

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.1
Spacegroup: P212121
Unit cell:
a: 64.3Å b: 64.694Å c: 159.876Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.204 0.199 0.292
Expression system: Escherichia coli