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The "bond" involves this linkage C−O−PO − 2 O−C. [1] Discussion of phosphodiesters is dominated by their prevalence in DNA and RNA, but phosphodiesters occur in other biomolecules, e.g. acyl carrier proteins, phospholipids and the cyclic forms of GMP and AMP (cGMP and cAMP). [2]
Hydrolases can be further classified into several subclasses, based upon the bonds they act upon: EC 3.1: ester bonds (esterases: nucleases, phosphodiesterases, lipase, phosphatase) EC 3.2: sugars (DNA glycosylases, glycoside hydrolase) EC 3.3: ether bonds; EC 3.4: peptide bonds (Proteases/peptidases) EC 3.5: carbon-nitrogen bonds, other than ...
During the synthesis of proteins, polypeptide chains, which are created by ribosomes translating mRNA, must be processed before assuming a mature conformation. The dephosphorylation of proteins is a mechanism for modifying behavior of a protein, often by activating or inactivating an enzyme. Components of the protein synthesis apparatus also ...
1071 n/a Ensembl ENSG00000087237 n/a UniProt P11597 n/a RefSeq (mRNA) NM_000078 NM_001286085 n/a RefSeq (protein) NP_000069 NP_001273014 n/a Location (UCSC) Chr 16: 56.96 – 56.98 Mb n/a PubMed search n/a Wikidata View/Edit Human Cholesteryl ester transfer protein (CETP), also called plasma lipid transfer protein, is a plasma protein that facilitates the transport of cholesteryl esters and ...
However, additional molecular interactions may render the amide form less stable; the amino group is expelled instead, resulting in an ester (Ser/Thr) or thioester (Cys) bond in place of the peptide bond. This chemical reaction is called an N-O acyl shift. The ester/thioester bond can be resolved in several ways:
The amino acid is coupled to the terminal nucleotide at the 3’-end of the tRNA (the A in the sequence CCA) via an ester bond. The formation of the ester bond conserves a considerable part of the energy from the activation reaction. This stored energy provides the majority of the energy needed for peptide bond formation during translation.
This term was coined when VopS from Vibrio parahaemolyticus was discovered to modify RhoGTPases with AMP on a serine. This family of proteins are found in all domains of life on earth. It is mediated via a mechanism of ATP-binding-site alpha helix motif. Infectious bacteria use this domain to interrupt phagocytosis and cause cell death.
Cholesteryl oleate, a member of the cholesteryl ester family. Cholesteryl esters are a type of dietary lipid and are ester derivatives of cholesterol. The ester bond is formed between the carboxylate group of a fatty acid and the hydroxyl group of cholesterol. Cholesteryl esters have a lower solubility in water due to their increased ...