CATH Classification

Domain Context

CATH Clusters

Superfamily 3.10.50.40
Functional Family Peptidyl-prolyl cis-trans isomerase

Enzyme Information

5.2.1.8
Peptidylprolyl isomerase.
based on mapping to UniProt Q9Y237
Peptidylproline (omega=180) = peptidylproline (omega=0).
-!- The first type of this enzyme found proved to be the protein cyclophilin, which binds the immunosuppressant cyclosporin A. -!- Other distinct families of the enzyme exist, one being FK-506 binding proteins (FKBP) and another that includes parvulin from Escherichia coli. -!- The three families are structurally unrelated and can be distinguished by being inhibited by cyclosporin A, FK-506 and 5-hydroxy-1,4-naphthoquinone, respectively.

UniProtKB Entries (1)

Q9Y237
PIN4_HUMAN
Homo sapiens
Peptidyl-prolyl cis-trans isomerase NIMA-interacting 4

PDB Structure

PDB 3UI4
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystallographic proof for an extended hydrogen-bonding network in small prolyl isomerases.
Mueller, J.W., Link, N.M., Matena, A., Hoppstock, L., Ruppel, A., Bayer, P., Blankenfeldt, W.
J.Am.Chem.Soc.
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