These modifications are often essential for the function or regulation of a protein ; for example, the carboxylation of glutamate allows for better binding of calcium cations, and the hydroxylation of proline is critical for maintaining connective tissues.

These preaching friars, with the authorization of Gregory IX, adopted ( with some modifications, e. g. the substitution of the " Gallican " for the " Roman " version of the Psalter ) the Breviary hitherto used exclusively by the Roman court, and with it gradually swept out of Europe all the earlier partial books ( Legendaries, Responsories ), & c., and to some extent the local Breviaries, like that of Sarum.

These practices, which matured in the Tang Dynasty, were to be inherited by the later dynasties with some modifications.

These modifications may also form a signal sequence which determines the final destination of the protein.

These successes allowed the government to concentrate in 1996 and 1997 on major structural reforms such as the implementation of a fully funded pension system ( partly modelled after Chile's pension system with major modifications ), reform of higher education, and the creation of a national treasury.

These modifications of the basic 8086 design were one of the first jobs assigned to Intel's then new design office and laboratory in Haifa, Israel.

These factors also make it quite common for modern-day builders to promote modifications to the basic design, such as adding a finger board, pedal, electronic pickup, drum head, or making the staff immovable.

These modifications include acetylation, methylation, ubiquitylation, phosphorylation and sumoylation.

These tournaments increasingly made various modifications to the College Bowl format, and came to be known as quiz bowl.

These cars are closer to standard form than in GT2, and in most cases modifications are restricted to those found in one-make cups.

These modifications make it easier to enter and exit the movement, and thus easier to incorporate into a long sequence of calls.

These changes include histone modifications, such as histone H3 methylation and histone H2A ubiquitination, as well as direct modification of the DNA itself, via the methylation of CpG sites.

These data include artifacts ( objects made or modified by humans ), features ( modifications to the site itself such as post molds, burials, and hearths ), ecofacts ( evidence for the local environment and resources being used such as snail shells, seeds, and butchered bones ).

These cars were built in five series and several modifications until 1996.

These rules have gone through a lot of modifications over the years.

These modifications stayed into use until the disintegration of the USSR on 25 December 1991, at which time the flag ceased to be a national flag.

These vibrations can be controlled by adding features like close-fitting spring guides or by aftermarket tuning done by " air-gunsmiths " who specialize in air gun modifications.

These sports are typically played using International Federation of Association Football ( FIFA ) rules, with modifications to the field of play, equipment, numbers of players, and other rules as required to make the game suitable for the athletes.

These changes are largely due to highly controlled modifications in gene expression.

These modifications encode the source location, and may be captured via an impulse response which relates the source location and the ear location.

These modifications include the shape of the listener's outer ear, the shape of the listener's head and body, the acoustical characteristics of the space in which the sound is played, and so on.

These modifications make Safari on Mac OS X and Windows look more similar to Safari on iPhone than previous versions.

These modifications were relatively simple and could be carried out by users who knew how to handle a soldering iron.

These PTIs provided useful data for subsequent engineering modifications.

These shifts in alliance and allegiance not only increased the difficulties confronting the English embassy as a whole, but also directly involved the two Savoyards, Amadee and Othon.

These destructive forces also have a seriously adverse effect upon the watersheds and their life-supporting waterflows, and upon the other renewable forest resources.

These can also move a short distance but at right angles to the tappets.

These bunks also serve as a fence, so part of the additional cost must be attributed to the fence.

These observations indicate that the lunar maria heat up more rapidly and also cool off more rapidly than do the mountainous regions.

These contour diagrams also suggest a rather rapid falloff in the radio brightness with latitude.

These were the years when people flocked to Manchester not only to play golf, which had come into vogue, but also to witness the Ekwanok Country Club tournaments.

These free-standing statues were usually marble, but also the form rendered in limestone, bronze, ivory and terracotta.

These normally play an important role in controlling the growth of algae and also forage on detritus that accumulates as sediment on the bottom.

These had dual function since they were also used as pure consonants.

These three differ from each other in the way they treat vowels: abjads have letters for consonants and leave most vowels unexpressed ; abugidas are also consonant-based, but indicate vowels with diacritics to or a systematic graphic modification of the consonants.

These antibiotics may also be prescribed to patients with a documented allergy to penicillin.

These ideas were found in a number of Kabbalistic works from the 13th century, and also among many mystics in the late 16th century.

These metals were also used to strengthen each other, for more practical purposes.

These scholars also maintain that Jesus was the only human ever elected and that individuals must be " in Christ " ( Eph 1: 3 – 4 ) through faith to be part of the elect.

These findings are based on laboratory studies, and in clinical settings have also been shown to eliminate bacterial infection.

These experiments also led to a number of patents: for example, he invented a new form of laminated bent-plywood furniture in 1932.

These alleged refugees claimed the ancestry of Sargon of Akkad ( whose dynasty died out some 15 centuries before the fall of Assyria ), they also contradictionally claimed ancestry from Nabopolassar, a Babylonian king of Chaldean extraction who played a major part in the destruction of the Assyrian Empire.

These include Hindu astrology ( also known as " Indian astrology " and in modern times referred to as " Vedic astrology ") and Chinese astrology, both of which have influenced the world's cultural history.

These pits were also used to steam foods by adding heated rocks or embers and then seaweed or corn husks ( or other coverings ) placed on top to steam fish and shellfish as well as vegetables ; potatoes would be added while still in-skin and corn while in-husk, this would later be referred to as a clambake by the colonists.

These techniques also tend to form the backbone of most undergraduate analytical chemistry educational labs.

These activists also point out that heavy subsidization of developed nations ' agriculture and the aggressive use of export subsidies by some developed nations to make their agricultural products more attractive on the international market are major causes of declines in the agricultural sectors of many developing nations.

These highly educated immigrants were also responsible for educational reform and the enlightened, revolutionary spirit that developed in Aarau.

These bacteria also secrete proteins that enable the AC-II to enter host cells, where the exogenous AC activity undermines normal cellular processes.

These are also sometimes called simply AC1, AC2, etc., and, somewhat confusingly, sometimes Roman numerals are used for these isoforms that all belong to the overall AC class III.