residue (Science: biochemistry) A single unit within a polymer, such as an amino acid within a polypeptide or protein.
Numerous proteins have clusters of basic (or basic/hydrophobic) residues that bind to these acidic lipids.
residue management. Management of rice straw and stubble after harvest. resistant. Able to tolerate conditions (such as pesticide sprays or pest damage) harmful to other strains of the same species.
Residues in α-helices typically adopt backbone (φ, ψ) dihedral angles around (-60°, -45°). More generally, they adopt dihedral angles such that the ψ dihedral angle of one residue and the φ dihedral angle of the next residue sum to roughly -105°.
The residues ("tailings") of mines often contain such high concentrations of toxic metals (e.g., copper, lead) that most plants are unable to grow on them.
Amino acid residue is what is left of an amino acid once a water molecule has been lost (an H+ from the nitrogenous side and an OH- from the carboxylic side) in the formation of a peptide bond . Contents 1 Overview ...
However, these residues are critically important for ligand binding to proteins, and play central roles in protein stability. Note also that the β carbon of isoleucine is optically active, just as the β carbon of threonine.
Recruitment. The residue of those larvae that have: (1) dispersed; (2) settled at the adult site; (3) made some final movements toward the adult habitat; (4) metamorphosed successfully, and (5) survived to be detected by the observer ...
Catalyzes the addition of adenine residues to the 3' end of pre-mRNAs to form the poly(A) tail. (See Polymerase.) Polyacrylamide gel electrophoresis.
5' or 3' end The nucleoside residues which form nucleic acids are joined by phosphodiester linkages between the 3' C atom of one ribose moiety and the 5' C atom of the next.
On a genomic scale, our technique uses stable-isotope-labeled precursors-particular nucleotides for DNA, or amino acids for proteins-to label DNA or protein molecules residue-specifically for MS analysis.
The first function is to attach it to the cell surface, it does that by attaching to particular sugar residues that are always present on all animal cells.
Phosophotransfer between a histidine residue on the sensor domain and an aspartate residue inÊthe response regulator domain determines the phosphorylation state of the response regulator.
Phospholipids are a heterogeneous type of molecule composed of glycerol, phosphate, two fatty acid residues, and 'headgroups' with different chemical properties.
Material in the large intestine is mostly indigestible residue and liquid. Movements are due to involuntary contractions that shuffle contents back and forth and propulsive contractions that move material through the large intestine.
Cap: A methylated guanine residue (GTP), which is added to the 5' end of eukaryotic mRNAs in a post-transcriptional reaction. It protects the mRNA against 5'-exonuclease, stabilises the mRNA and enhances its translation.
A methylated guanine residue added in reverse polarity (ie 3'pMeG5'ppp5'NpNp3') to the 5' end of eukaryotic mRNA during transcription initiation. The cap binds a cap binding protein and acts as an initial binding site for ribosomes during translation.
Ramachandran plot A steric contour diagram that depicts allowed ranges of the angles Ö and Ø for amino acid residues in polypeptide chains; for each residue, ...
A post-replication process. Cytosine residues in CpG sequences are methylated, forming gene-specific methylation patterns. Methylation of promoter regions correlates with gene expression patterns. Related Chromatin Epigenetics ...
Leucine zipper: A motif found in certain proteins in which Leu residues are evenly spaced through an a-helical region, such that they would end up on the same face of the helix. Dimers can form between two such proteins.
Attachment of methyl groups (-CH3) to DNA most commonly at cytosine residues. May be involved in regulation of gene expression. Also may prevent some restriction endonucleases from cutting DNA at their recognition sites. Related Terms: ...
A protein with covalently linked sugar residues. The sugars may be bound to OH side chains of the polypeptide (O-linked) or to the amide nitrogen of asparagine side chains (N-linked) ...
humus Sticky, brown, insoluble residue from the bodies of dead plants and animals; gives soil its structure, coating mineral particles and holding them together; serves as a major source of plant nutrients.
Solid wastes include household trash, sewage sludge, agricultural residue, mining refuse, and industrial waste.
asphalt -- A dark bituminous substance found in natural beds. Residue from petroleum distillation. ATP -- "adenosine triphosphate". A relatively stable, high energy molecule used to fuel chemical reactions within cells.
Poly A RNA RNA transcript that contains a tail of poly A residues at its 3 end; implies that an RNA sequence is mRNA. Related Terms: Ribonucleic acid (RNA) ...
meconium - the cast skins and residue remaining in the host when a parasitoid completes development and departs medial - nearer the middle of a body or part ...
anus The terminal opening of the gut; the solid residues of digestion are eliminated through the anus.
disulfide bond - covalent intrachain bonds found in protein molecules; covalent linking of two -SH groups of neighboring cysteine residues in a folded polypeptide chain. These bonds are rarely, if ever found in the cytosol.
Poly(A) polymerase. Catalyzes the addition of adenine residues to the 3' end of pre-mRNAs to form the poly(A) tail. (See Polymerase.) ...
These domains are extensively annotated with respect to phyletic distributions, functional class, tertiary structures and functionally important residues.
Nucleic acids are conveniently labelled by incorporating radioactive isotopes of phosphorous (32P or 33P) into their sugar phosphate backbones, proteins may be labelled by incorporating a radioactive isotope of sulphur (35S)into methionine residues.
It says the moon was formed from the left overs from Earth's collision with another planet-like body somewhat larger than Mars. On impact with the earth big chunks of the terrestrial mantle were hurled into space to form the moon along with residues ...
The association rate with lipids is accelerated by an increased exposure of hydrophobic residues.
See also: Protein, Proteins, Trans, Molecule, Organ
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