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2016 ; 24
(12
): 2217-2226
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
ProtLID, a Residue-Based Pharmacophore Approach to Identify Cognate Protein
Ligands in the Immunoglobulin Superfamily
#MMPMID27889206
Yap EH
; Fiser A
Structure
2016[Dec]; 24
(12
): 2217-2226
PMID27889206
show ga
Members of the extracellular immunoglobulin superfamily (IgSF) play a key role in
immune regulation through the control of the co-stimulatory pathway, and have
emerged as potent drug targets in cancers, infectious diseases, and autoimmunity.
Despite the difficult experimental access to this class of proteins, single
structures of ectodomains of IgSF proteins are solved with regularity. However,
the most biologically critical challenge for this class of proteins is the
identification of their cognate ligands that communicate intercellular signals.
We describe a conceptually novel method, protein-ligand interface design
(ProtLID), to identify cognate ligands from a subproteome for a given target
receptor protein. ProtLID designs an optimal protein interface for a given
receptor by running extensive molecular dynamics simulations of single-residue
probes. The type and location of residue preferences establish a residue-based
pharmacophore, which is subsequently used to find potential matches among
candidate ligands within a subproteome.