Macromolecular Modeling Blog ™

A list of Useful, Useless or simply Interesting facts on Proteins, Structures and what’s around them, generated by OCA: a browser and database for structure and function. Adopted from Proteopedia.

• The most popular Sources are Homo sapiens, present in 14,867 PDB structures and Escherichia coli, present in 6,815 PDB structures.
• The most popular Ligand is SO4, present in 6,112 PDB structures.
• The most popular Space group is P 21 21 21, present in 10,743 PDB structures.
• The most popular Chemical Element, after the common protein elements C,O,N,P,S is Zinc, found in 4,584 PDB structures.
• The least popular Chemical Elements are Antimony (1f48), Indium (1ind), Neptunium (1yuh), Rhenium (1b0q), Ruthenium (1o3z) and Vanadium (1qyl), found in 1 PDB structure each.
• The PDB structure with the best resolution is 1ejg, with 0.54 Å.
• The PDB structure with the worst resolution is 2tma, with 15.00 Å.
• The PDB structure with the shortest life is 1sv7 with 16 days.
• The PDB structure with the most models is 2hyn, with 184 models.
• The PDB structure with the most related structures is 2j9n with 257 related structures.
• The PDB structure with the longest chain is 1s1i with 2,999 amino acids.
• The PDB structures with the heaviest chain are 2vz8, 2vz9 with 272,251.98 each.
• The PDB structure with the most ligands is 2axt with 15 ligands.
• The PDB structure with the largest file is 1htq with 19.04M .
• The PDB structure with the smallest file is 3rec with 2.54K .

Overall Statistics …

• The mean PDB resolution is 2.14 ± 0.55 based on 46,400 X_Ray structures.
• The mean PDB file is 156.53K ± 245.85K based on 54,298 files.
• There is 1 structure file with 10 citations (2zak) and 1 structure file with 11 citations (3c17).

Updated by OCA on Thu Nov 20 08:20:36 2008

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