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Here, is the probability of two amino acids and replacing each other in a homologous sequence, and and are the background probabilities of finding the amino acids and in any protein sequence. The factor λ {\displaystyle \lambda } is a scaling factor, set such that the matrix contains easily computable integer values.
This category contains a set of pages in a particular group. It should only contain individual blue symbols, as well as subcategories and lists of blue symbols. Topics related to the set or an individual blue symbol should be placed in relevant topic categories , such as Category:Symbols .
The third arm, known as the "variable arm", has a stem with optional loop. [2] One end of the chains (with a double stranded structure in which the 5' and 3' ends are adjacent to each other), the amino acids acceptor stem, usually attaches to amino acids and such reactions are often catalyzed by a specific enzymes, aminoacyl tRNA synthetase. [3]
A blue flower (German: Blaue Blume) was a central symbol of inspiration for the Romanticism movement, and remains an enduring motif in Western art today. [1] It stands for desire , love , and the metaphysical striving for the infinite and unreachable.
In some very economically important flowers like roses, carnations and chrysanthemums despite a lot of efforts was not possible to breed the flowers with blue petals coloration. The lack of F3'5'H enzyme and hence delphinidin type anthocyanin is the reason why blue flower colour was not possible to obtain. [citation needed]
Blue flower may refer to: Blue flower, a poem by the German poet Novalis; Blue flower, a poem by the Romanian poet Mihai Eminescu; The Blue Flower ...
The flowers are most commonly an intense blue colour and arranged in flowerheads (capitula) of 1.5–3 cm diameter, with a ring of a few large, spreading ray florets surrounding a central cluster of disc florets. The blue pigment is protocyanin, which in roses is red. [5] Fruits are approx. 3.5 mm long with 2–3 mm-long pappus bristles. [6]
The two ends of a polypeptide are called the N-terminus, or amino end, and the C-terminus, or carboxyl end. [101] This polypeptide has four amino acids linked together. At the left is the N-terminus, with its amino (H 2 N) group in green. The blue C-terminus, with its carboxyl group (CO 2 H) is at the right.