esponding messenger RNA. A triplet of bases recognized by anticodons on transfer RNA and hence specifying an amino ...
Animal of the Phylum Cnidaria. Mostly marine, diploblastic and with radial symmetry. Sea anemones and Hydra are well known examples.
(= celiac disease (USA) )
Gluten enteropathy: atrophy of villi in small intestine leads to impaired absorption of nutrients. Caused by sensitivity to gluten (protein of wheat ...
Body cavity characteristic of most multicellullular animals (all coelomates). Arises within the embryonic mesoderm, that is thereby subdivided into somatic mesoderm and ...
(= coenobia (plural) )
Colony of cells formed by certain green algae, in which little or no specialization of the cells occurs. The cells are often embedded in a mucilaginous ...
Organism that is not subdivided into cells but has many nuclei within a mass of cytoplasm (a syncytium), as for example some fungi and algae, and the acellular slime mould ...
Either: low-molecular weight intermediate that transfers groups between reactions (eg. NAD), or: catalytically active low-molecular weight component of an enzyme (eg. haem). ...
A derivative of adenosine triphosphate and pantothenic acid that can carry acyl groups (usually acetyl) as thioesters. Involved in many metabolic pathways, eg. citric acid ...
(= 2-mercaptoethanesulphonic acid.)
This substance is involved in the formation of methane from carbon dioxide by methanogenic bacteria.
(= CoQ; ubiquinone)
Hydrogen acceptor and donor in the electron transport chain. (Preferred synonym: ubiquinone.)
Inorganic complement of an enzyme reaction, usually a metal ions. See coenzyme.
Actin-severing protein (19 kD), related to destrin. Binds to the side of filaments and is pH sensitive. Shares with tropomyosin a 13 amino acid F-actin binding domain. Very ...
Protein secondary structure motif that does not qualify as alpha-helix, beta sheet or beta turn.
An ubiquitous nuclear organelle containing the mRNA splicing machinery (U1, U2, U4, U5, U6 and U7 snRNAs), the U3 and U8 snRNPs that are involved in pre-rRNA processing, ...
Protein, M(r) 80 kD, (62.6 kD calculated from 576-residue sequence) found in coiled bodies. A relatively short portion of the N-terminus seems to target the ...
A plasmid of E. coli that codes for colicin V, that confers resistance to complement-mediated killing, for a siderophore to scavenge iron, and for F-like pili that permit ...
Methylated derivative of colchicine.
Alkaloid (400 D) isolated from the Autumn crocus ( Colchicum autumnale ) that blocks microtubule assembly by binding to the tubulin heterodimer (but not to tubulin). As a ...
Genus of crocuses. C. autumnale, the Autumn Crocus, is the source of colchicine.
Antibodies that agglutinate particles with greater activity below 32°C. They are IgM antibodies specifically reactive with blood groups I and i in humans, and agglutinate red ...
Inducible antibacterial peptide found in the haemolymph of a tenebrionid beetle following the injection of heat-killed bacteria. Peptide A (glycine-rich, 74 residues) is active ...
Closed hollow cylinder or sheath of leaf-like tissue surrounding and protecting the plumule (shoot axis and young leaves) in grass seedlings.
Closed hollow cylinder or sheath of leaf-like tissue surrounding and protecting the radicle (young root) in grass seedlings.
Bacterial exotoxins (bacteriocins) that affect other bacteria. Colicins E2 and E3 are AB toxins with DNAase and RNAase activity respectively. Most other colicins are ...
Gram negative rod-shaped bacillus. (1) May be used loosely of any rod-shaped bacterium.
(2) Any Gram negative enteric bacillus.
(3) More specifically, bacteria of the genera ...
Major structural protein (285 kD) of extracellular matrix. An unusual protein both in amino acid composition (very rich in glycine (30%), proline, hydroxyproline, lysine, ...
Proteolytic enzyme capable of breaking native collagen. Once the initial cleavage is made, less specific proteases will complete the degradation. Collagenases from mammalian ...
Glycoprotein (100 kD) from chick brain that may