X-ray diffraction
2.9Å resolution

ZP-N domain of mammalian sperm receptor ZP3 (crystal form I)


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Maltose/maltodextrin-binding periplasmic protein; Processed zona pellucida sperm-binding protein 3 Chain: A
Molecule details ›
Chain: A
Length: 481 amino acids
Theoretical weight: 52.95 KDa
Source organisms: Expression system: Escherichia coli
  • Canonical: P0AEX9 (Residues: 27-393; Coverage: 99%)
  • Canonical: P10761 (Residues: 39-143; Coverage: 26%)
Gene names: JW3994, Zp-3, Zp3, Zpc, b4034, malE
Sequence domains: Bacterial extracellular solute-binding protein
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: I222
Unit cell:
a: 93.04Å b: 95.12Å c: 141.7Å
α: 90° β: 90° γ: 90°
R R work R free
0.192 0.19 0.227
Expression system: Escherichia coli