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 mean PDB file is 189.83K ± 339.99K based on 100,556 files.
• The most common Ligand is GOL, present in 9,421 PDB structures (excluding SO4)
• The most common Space group is P 21 21, present in 25,446 PDB structures.
• There are 2 structure files with 12 citations (1het,3u87) and 1 structure file with 9 citations (1dxr).
• The most common Chemical Element, after the common protein elements C,O,N,P,S is Zinc, found in 9,188 PDB structures.

The most conspicuous ...

• The PDB structure with the best resolution is 3nir, with 0.48 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 structures with the most related structures are 4b2b, 4b2c, 4b1t with 287 related structures each.
• The PDB structure with the most ligands is 3arc with 19 ligands.
• The PDB structure with the longest chain is 3j3f with 5,070 amino acids (alpha carbons only).
• The least common Chemical Elements are Dysprosium (4ll7), Indium (1ind), Neptunium (1yuh) and Vanadium (1qyl), found in 1 PDB structure each.
• The PDB structures with the shortest chain (greater than one residue) are 1ahg, 1b2m, 1cwp, 1d53, 1ddl, 1dn8, 1ehl, 1f0v, 1i8m, 1ijs, 1kqs, 1lgc, 1m6a, 1n38, 1oup, 1pv4, 1pvo, 1q81, 1q82, 1rnb, 1uvk, 1xam, 279d, 2dwl, 2dwm, 2dwn, 2ht1, 2htt, 2ok0, 2pjr, 2vrt, 3er9, 3j0l, 3j0o, 3j0p, 3j0q, 3j5l, 3ngz, 3nma, 3ra4, 3ra9, 3rec, 3rtj, 3u2e, 3ucu, 3ucz, 3ud3, 3ud4, 3va0, 4a3g, 4a3j, 4a8k, 4afy, 4dy8, 4e60, 4ejt, 4g7o, 4jzu, 4jzv, 4lq3, 4m6g, 4nku, 4ohy, 4oi0, 4oi1 with 2 residues each.
• The PDB structure with the longest chain is 3j3f with 5,070 amino acids (alpha carbons only).
• The PDB structure with the heaviest chain is 3vkh with 383,873.23 .
• The PDB structure with the largest file is 4pth with 26,602,161 bytes (compressed).

Overall Statistics ...

• The mean PDB resolution is 2.15 ± 0.57 based on 88,861 X_Ray structures.
• The PDB structure with the smallest file is 3rec with 2,658 bytes (compressed).
• The most common Sources are Homo sapiens, present in 29,996 PDB structures and Escherichia coli, present in 11,437 PDB structures.

Updated by OCA on Wed May 28 13:19:46 2014

Notes

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See Also

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