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Conformations of Biotin in protein structures

Below you will find a JMOL applet of the superimosed molecules of Biotin. There is one applet for each PDB HET code that is associated with this cofactor. The structures have been clustered by their pairwise distance (RMSD) and each cluster has a different colour. The clustering algorithm is described in reference [KGS].

These applets illustrate the conformational space that the cofactor has when bound to the protein. The superposition has been performed on the most rigid part (aromatic ring structures where possible). This information is even more useful when combined with the solvent accessibility analysis.

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Structures for HET code BTN

Structure Cluster Species E.C. number CATH domain Resolution
2f01 Streptomyces avidinii 0.85Å
3ew2 Rhizobium etli
(strain CFN 42 / ATCC 51251)
2.30Å
2rtg Streptomyces avidinii 1.39Å
1n43 Streptomyces avidinii 1.89Å
1swg Streptomyces avidinii 1.80Å
2gh7 Streptomyces avidinii 1.00Å
2avi Gallus gallus
(Chicken)
3.00Å
1y55 Gallus gallus
(Chicken)
1.00Å
1y52 Gallus gallus
(Chicken)
1.70Å
1swt Streptomyces avidinii 2.00Å
1swr Streptomyces avidinii 1.90Å
1swn Streptomyces avidinii 2.20Å
1swk Streptomyces avidinii 2.00Å
1swe Streptomyces avidinii 2.06Å
1swd Streptomyces avidinii 1.90Å
1ndj Streptomyces avidinii 1.81Å
1n9m Streptomyces avidinii 1.60Å
1mk5 Streptomyces avidinii 1.40Å
1luq Streptomyces avidinii 0.96Å
1df8 Streptomyces avidinii 1.51Å
1swp Streptomyces avidinii 2.00Å
2izi Streptomyces avidinii 1.50Å
2izh Streptomyces avidinii 1.36Å
2izg Streptomyces avidinii 1.36Å
2izf Streptomyces avidinii 1.58Å
2c4i Gallus gallus
(Chicken)
1.95Å
2c1q N/A 2.10Å
1wbi Gallus gallus
(Chicken)
1.40Å
2izj Streptomyces avidinii 1.30Å
1avd Gallus gallus
(Chicken)
2.70Å
1bib Escherichia coli
(strain K12)
6.3.4.15 3.30.930.10 2.80Å
1f27 N/A 1.30Å
2ejg Pyrococcus horikoshii 2.71Å
2ejf Pyrococcus horikoshii 2.40.50.100 2.00Å
2fyk Pyrococcus horikoshii 1.60Å
2ej9 Methanocaldococcus jannaschii
(Methanococcus jannaschii)
6.3.4.15 2.00Å
2dxt Pyrococcus horikoshii 1.60Å
2zgw Pyrococcus horikoshii 1.50Å
1hxd Escherichia coli
(strain K12)
6.3.4.15 3.30.930.10 2.40Å
2dto Pyrococcus horikoshii 1.50Å
2dth Pyrococcus horikoshii 1.95Å
1wpy Pyrococcus horikoshii 1.60Å
2zsc Pleurotus cornucopiae
(Cornucopia mushroom)
2.40.128.30 1.30Å
2rte Streptomyces avidinii 1.50Å
1stp Streptomyces avidinii 2.60Å
1nqm Streptomyces avidinii 1.70Å
1mep Streptomyces avidinii 1.65Å
3g8c Escherichia coli
(strain K12)
3.40.50.20 2.00Å
2rtf Streptomyces avidinii 1.47Å
2rtd Streptomyces avidinii 1.65Å
1xny Streptomyces coelicolor 2.20Å
2jgs Gallus gallus
(Chicken)
1.90Å

References

[KGS] pubmed:8961360
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