PDB entry files, chemical component files, and other data files are available for Display and/or Download via http and https. These URLs are useful with scripted downloads using utilities such as
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PDB entry files are available in several file formats (PDB, PDBx/mmCIF, XML), compressed or uncompressed, and with an option to download a file containing only "header" information (e.g., summary data, no coordinates).
Small molecule files, including the ligands/chemical components maintained in the Chemical Component Dictionary and the Biologically Interesting Molecule Reference Dictionary (BIRD) are available in multiple formats.
Experimental data files include structure factors, NMR constraints, and chemical shifts.
Sequence data in FASTA format (full sequence as in SEQRES records).
Additionally a FASTA file with all PDB full SEQRES sequences (per chain) can be downloaded
A FASTA-formatted file ("ss.txt.gz") with sequences and secondary structure information generated using DSSP is available:
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National Institutes of Health, and the
US Department of Energy.