Side chain determinants of biopolymer function during selection and replication
نویسندگان
چکیده
منابع مشابه
Determinants of side chain conformational preferences in protein structures.
A discriminatory function based on a statistical analysis of atomic contacts in protein structures is used for selecting side chain rotamers given a peptide main chain. The function allows us to rank different possible side chain conformations on the basis of contacts between side chain atoms and atoms in the environment. We compare the differences in constructing side chain conformations using...
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The fate of the "lost side chain" during thyroid hormonogenesis.
Thyroglobulin labeled with L-[U-‘*C]tyrosine was prepared, purified, and iodinated in order to investigate the fate of the 3-carbon fragment which remains when 2 iodotyrosine residues (18 carbon atoms) in thyroglobulin react with each other in the course of thyroid hormonogenesis to form 1 hormone residue (15 carbon atoms). Incubation of hog thyroid slices with L-[U-‘*C]tyrosine led to the form...
متن کاملSide-chain modeling with an optimized scoring function.
Modeling side-chain conformations on a fixed protein backbone has a wide application in structure prediction and molecular design. Each effort in this field requires decisions about a rotamer set, scoring function, and search strategy. We have developed a new and simple scoring function, which operates on side-chain rotamers and consists of the following energy terms: contact surface, volume ov...
متن کاملSide-chain Charge Effects and Conductance Determinants in the Pore of ClC-0 Chloride Channels
The charge on the side chain of the internal pore residue lysine 519 (K519) of the Torpedo ClC-0 chloride (Cl-) channel affects channel conductance. Experiments that replace wild-type (WT) lysine with neutral or negatively charged residues or that modify the K519C mutant with various methane thiosulfonate (MTS) reagents show that the conductance of the channel decreases when the charge at posit...
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ژورنال
عنوان ژورنال: Nature Chemical Biology
سال: 2019
ISSN: 1552-4450,1552-4469
DOI: 10.1038/s41589-019-0229-2