- FASTA Sequence
- mmCIF Format
- mmCIF Format (Header)
- PDB format files are not available for large structures. Please use PDBx/mmCIF or PDBML/XML files.
- PDB Format
- PDB Format (Header)
- FASTA Sequence
- PDBx/mmCIF Format
- PDBx/mmCIF Format (gz)
- BinaryCIF Format (gz)
- PDB Format
- PDB Format (gz)
- PDBML/XML Format (gz)
- Structure Factors (CIF)
- Structure Factors (CIF - gz)
- PDB format-like files (tar.gz)
- Validation Full PDF
- Validation (XML - gz)
- Validation (CIF - gz)
- Validation 2fo-fc coefficients (CIF - gz)
- Validation fo-fc coefficients (CIF - gz)
- Biological Assembly 1 (CIF - gz)
- Biological Assembly 2 (CIF - gz)
4U20
ZN: ZINC ION
No ligand validation data is available for ZN
