Believe It or Not!

From Proteopedia

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A list of Useful, Useless or simply Interesting facts on Proteins, Structures and what's around them, automatically updated by OCA, the browser and database for structure and function.

The most common ...

• The most common Sources are Homo sapiens, present in 17,196 PDB structures and Escherichia coli, present in 7,305 PDB structures.
• The most common Ligand is SO4, present in 7,038 PDB structures.
• The most common Space group is P 21 21 21, present in 11,208 PDB structures.
• The most common Chemical Element, after the common protein elements C,O,N,P,S is Zinc, found in 5,379 PDB structures.
• The least common Chemical Elements are Antimony (1f48), Hydrogen (1fjb), Indium (1ind), Neptunium (1yuh), Rhenium (1b0q), Ruthenium (1o3z) and Vanadium (1qyl), found in 1 PDB structure each.

The most conspicuous ...

• 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 2v4w with 11 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 shortest chain (greater than one residue) are 1a16, 1abw, 1af0, 1ahg, 1apg, 1atl, 1b2m, 1cwp, 1d53, 1ddl, 1dn8, 1ehl, 1f0v, 1hsb, 1htt, 1i8m, 1ijs, 1kqs, 1lgc, 1m6a, 1mcl, 1n38, 1oup, 1pek, 1pin, 1pv4, 1pvo, 1q81, 1q82, 1rnb, 1tlx, 1uvk, 1xam, 279d, 2aig, 2bn2, 2cyh, 2dwl, 2dwm, 2dwn, 2ht1, 2htt, 2ok0, 2pjr, 2rkm, 2tpi, 2vrt, 3bfn, 3cyh, 3er9, 3rec, 3tmn, 3tpi, 4cyh, 4pad, 4tpi, 5cyh, 8tln with 2 residues each.
• The PDB structures with the heaviest chain are 2vz8, 2vz9 with 272,251.98 each.
• The PDB structures with the most ligands are 2vzk, 2vzl with 23 ligands each.
• The PDB structure with the largest file is 1htq with 19.1M .
• The PDB structure with the smallest file is 3rec with 2.6K .

Overall Statistics ...

• The mean PDB resolution is 2.15 ± 0.55 based on 53,258 X_Ray structures.
• The mean PDB file is 160.62K ± 252.99K based on 61,808 files.
• There is 1 structure file with 10 citations (2zak) and 1 structure file with 11 citations (3c17).

Updated by OCA on Wed Dec 2 10:42:12 2009

Notes

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See Also

• Atomic coordinate file
• Ligands
• NMR Ensembles of Models
• Protein Data Bank
• Resolution
• Standard Residues