1j4r
FK506 BINDING PROTEIN COMPLEXED WITH FKB-001FK506 BINDING PROTEIN COMPLEXED WITH FKB-001
Structural highlights
FunctionFKB1A_HUMAN Keeps in an inactive conformation TGFBR1, the TGF-beta type I serine/threonine kinase receptor, preventing TGF-beta receptor activation in absence of ligand. Recruites SMAD7 to ACVR1B which prevents the association of SMAD2 and SMAD3 with the activin receptor complex, thereby blocking the activin signal. May modulate the RYR1 calcium channel activity. PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides.[1] [2] Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed[structure: see text] 2-Aryl-2,2-difluoroacetamido-proline and pipecolate esters are high affinity FKBP12 ligands whose rotamase inhibitory activity is comparable to that seen for the corresponding ketoamides. X-ray structural studies suggest that the fluorine atoms participate in discrete interactions with the Phe36 phenyl ring and the Tyr26 hydroxyl group, with the latter resembling a moderate-to-weak hydrogen bond. 2-Aryl-2,2-difluoroacetamide FKBP12 ligands: synthesis and X-ray structural studies.,Dubowchik GM, Vrudhula VM, Dasgupta B, Ditta J, Chen T, Sheriff S, Sipman K, Witmer M, Tredup J, Vyas DM, Verdoorn TA, Bollini S, Vinitsky A Org Lett. 2001 Dec 13;3(25):3987-90. PMID:11735566[3] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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