Believe It or Not!

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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 11,063 PDB structures and Thermus thermophilus, present in 5,760 PDB structures.
  • The most common Ligand is GOL, present in 22,840 PDB structures (excluding SO4)
  • The most common Space group is P 21 21, present in 32,728 PDB structures.

The most conspicuous ...

  • The least popular experiment type is Solution Scattering used on 3 structures (1ntj, 1ntl, 1r70) over 218,502 ( 0.00%)
  • The most popular experiment type is X-ray Diffraction used on 183,918 structures over 218,502 (84.17%)
  • The structures with the most biomolecules are 2zzs, 4dx9 with 32 each and 5lhy with 30.
  • The PDB structure with the most models is 2hyn, with 184 models.
  • The PDB structure with the most related structures is 2vb1 with 235 related structures.
  • The PDB structure with the most chains is 4v99 with 480 chains.
  • The PDB structures with the longest chain are 4v5x, 4v5x with 7,249 amino acids (alpha carbons only) each.
  • The PDB structures with the shortest chain (greater than one residue) are 1cwp, 1d53, 1n38, 1vy6, 1xam, 3u2e, 4dy8, 4e60, 4ejt, 4g7o, 4jzu, 4jzv, 4lq3, 4nia, 4nku, 4ohy, 4oi0, 4oi1, 4oq8, 4oq9, 4pei, 4tzd, 4wti, 4wtj, 4wtk, 4wtl, 4wtm, 4x4n, 4x4r, 4x4t, 4x4t, 4x4u, 5tgm with 2 residues each.
  • The PDB structure with the most amino acids is 5tgm with 24,556 amino acids (alpha carbons only).
  • The PDB structure with the largest number ALTLOC is 1zir with 22 alternate location.
  • The PDB structures with the heaviest chain are 4v5x, 4v5x with 615,436.39 each.
  • The PDB structures with the most ligands are 4ub6, 4ub8 with 20 ligands each.
  • The PDB structures with the largest number of distinct chemical elements are 3nyh, 3x2q, 4kav with 11 elements each.
  • The 10 most popular Chemical Elements, excluding C,O,S,P,H,Na,Cl,K are Magnesium (Mg) on 3,363 PDB, Zinc (Zn) on 3,230 PDB, Selenium (Se) on 2,894 PDB, Calcium (Ca) on 2,170 PDB, Iron (Fe) on 1,641 PDB, Fluorine (F) on 1,288 PDB, Manganese (Mn) on 706 PDB, Bromine (Br) on 417 PDB, Nickel (Ni) on 376 PDB and Iodine (I) on 320 PDB.
  • The most exotic Chemical Elements are Americium (Am 4zhg), Bismuth (Bi 4h0w), Cerium (Ce 4mae), Curium (Cm 4zhf), Dysprosium (Dy 4ll7), Palladium (Pd 4q9x), Plutonium (Pu 4zhd), Rhenium (Re 4k9j), Antimony (Sb 4u5t), Zirconium (Zr 4xyy) found in one PDB structure each.
  • The PDB structure with the largest file is 4pth with 25,711,441 bytes (compressed).
  • The PDB structure with the smallest file is 3rec with 2,999 bytes (compressed).
  • The PDB structures with the most sources are 4v6m with 5 sources each.
  • There are 551 sources that occur in only a single entry. See Structures with Exotic Sources

Determination methods ...

  • The PDB structure solved with Electron Crystallography with the best resolution is 6kj3 with 0.6 Å.
  • The PDB structure solved with Electron Microscopy with the best resolution is 8rqb with 1.09 Å.
  • The PDB structures solved with Fiber Diffraction with the best resolution are 1hgv, 1hgz, 1hh0 with 2.4 Å each.
  • The PDB structure solved with Neutron Diffraction with the best resolution is 4ar3 with 1.05 Å.
  • The PDB structure solved with Powder Diffraction with the best resolution is 7qac with 2.29 Å.
  • The PDB structures solved with Solution Scattering with the best resolution are 1ntj, 1ntl, 1r70 with 30 Å each.
  • The PDB structures solved with X-ray Diffraction with the best resolution are 3nir, 5d8v with 0.48 Å each.
  • The mean resolution for PDB structures solved with Electron Crystallography is 2.71 ± 2.95 based on 232 structures
  • The mean resolution for PDB structures solved with Electron Microscopy is 4.17 ± 3.41 based on 19,680 structures
  • The mean resolution for PDB structures solved with Fiber Diffraction is 3.37 ± 0.7 based on 37 structures
  • The mean resolution for PDB structures solved with Neutron Diffraction is 1.91 ± 0.35 based on 79 structures
  • The mean resolution for PDB structures solved with Powder Diffraction is 2.96 ± 0.35 based on 7 structures
  • The mean resolution for PDB structures solved with Solution Scattering is 30 ± 0 based on 3 structures
  • The mean resolution for PDB structures solved with X-ray Diffraction is 2.12 ± 0.59 based on 183,918 structures
  • The PDB structure solved with Electron Crystallography with the worst resolution is 2dfs with 24.0 Å.
  • The PDB structures solved with Electron Microscopy with the worst resolution are 1m8q, 1mvw, 1o18, 1o19, 1o1a, 1o1b, 1o1c, 1o1d, 1o1e, 1o1f, 1o1g with 70.0 Å each.
  • The PDB structures solved with Fiber Diffraction with the worst resolution are 3hqv, 3hr2 with 5.16 Å each.
  • The PDB structure solved with Neutron Diffraction with the worst resolution is 1wqz with 3 Å.
  • The PDB structure solved with Powder Diffraction with the worst resolution is 1xft with 3.35 Å.
  • The PDB structures solved with Solution Scattering with the worst resolution are 1ntj, 1ntl, 1r70 with 30 Å each.
  • The PDB structure solved with X-ray Diffraction with the worst resolution is 2tma with 15 Å.

Overall Statistics ...

  • The mean PDB file is 189.87K ± 330.86K based on 129,460 files.
  • There is 1 structure file with 12 citations (1dtq) and 3 structure files with 3 citations (1ca5,1ca6,1dsk).

Updated by OCA on Wed Apr 17 09:44:52 2024

Notes

  • 4tst is a useful PDB id for a non-existing structure *Search for this page with the word BelieveItOrNot -- all the words in the real title "Believe It Or Not!" are so common that they are ignored by the search index mechanism (see Help:Stop Words), so you will not succeed searching for the real title. This page is also linked to the Main Page.

See Also

Proteopedia Page Contributors and Editors (what is this?)

OCA, Eric Martz, Joel L. Sussman, Jaime Prilusky

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