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Cysteine is unusual since it has a sulfur atom at the second position in its side-chain, which has a larger atomic mass than the groups attached to the first carbon, which is attached to the α-carbon in the other standard amino acids, thus the ( R ) instead of ( S ).
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Cysteine and is
Cysteine sulfinic acid, in turn, is decarboxylated by sulfinoalanine decarboxylase to form hypotaurine.
Spin label is attached to Cysteine 102 residue.
Cysteine dioxygenase ( CDO, CAS number: 37256-59-0 ) is a mammalian non-heme iron enzyme that catalyzes the conversion of L-cysteine to cysteine sulfinic acid ( cysteine sulfinate ) by incorporation of dioxygen.
Cysteine deposition is most evident in the conjunctiva and cornea.
Only those with a suitable CaaX motif can bind (' C ' is Cysteine, ' a ' is an aliphatic amino acid, and ' X ' is variable ).
Cysteine and has
Cysteine also has potentially negative side-chain with pKa < sub > R </ sub >
Cysteine and at
Cysteine sulfinic acid lies at a branch-point in cysteine catabolism, where it can follow two pathways resulting in the formation of taurine or sulfate.
Cysteine and other
Cysteine on the other hand can react with another cysteine residue and thereby form a cross link stabilizing the whole structure.
Cysteine and amino
Image: Cysteine. svg | R-cysteine, an amino acid containing a thiol group
Cysteine and acids
Cysteine residues may also react with heavy metal ions ( Zn < sup > 2 +</ sup >, Cd < sup > 2 +</ sup >, Pb < sup > 2 +</ sup >, Hg < sup > 2 +</ sup >, Ag < sup >+</ sup >) because of the high affinity between the soft sulfide and the soft metal ( see hard and soft acids and bases ).
is and unusual
I want the room in the attic prepared for him He is a most unusual lad, quite precocious in many ways.
Since the hazards of poor communication are so great, p can be justified as a habitable site only on the basis of unusual productivity such as is made available by a waterfall for milling purposes, a mine, or a sugar maple camp.
The most unusual of them is the Ithaca 49 ( about $20, $5 for a saddle scabbard ) -- a lever-action single-shot patterned after the famous Winchester lever-action and featuring the Western look.
the former figure is based on a somewhat unusual birth of four by a Central American female ( see chapter on Laying, Brooding, Hatching, and Birth ), the latter on a `` normal '' newly born individual.
The most unusual feature of Boris, however, is the use of the greatest character of all, the chorus.
After a while there come initials and names, and he is interested to hear some rather unusual family nicknames.
On December 9, 1862, Sergeant Edwin H. Fay, an unusual Louisianan who held A.B. and M.A. degrees from Harvard University and who before the war was headmaster of a private school for boys in Louisiana, wrote his wife: `` I saw Pemberton and he is the most insignificant puke I ever saw.
There is clear evidence that Lucy from childhood had an unusual mind.
One is not sure who emerges as the main personality of this book -- Mijbil, with his rollicking ways, or Maxwell himself, poet, portrait painter, writer, journalist, traveller and zoologist, sensitive but never sentimental recorder of an unusual way of life, in a language at once lyrical and forceful, vivid and unabashed.
Doc Doolittle's scheduled appearance at captain's mast was a very unusual thing, because the discipline dispensed there is ordinarily for the young and immature, and a chief is naturally expected to stay off the report.
An adventure is defined as an exciting or unusual experience ; it may also be a bold, usually risky undertaking, with an uncertain outcome.
In American jurisprudence, under the rules for hearsay, admission of an unsupported affidavit as evidence is unusual ( especially if the affiant is not available for cross-examination ) with regard to material facts which may be dispositive of the matter at bar.
The game is unusual in that no dice are used in resolving conflicts or player actions ; instead a simple diceless system of comparative ability, and narrative description of the action by the players and gamemaster, is used to determine how situations are resolved.
It is somewhat unusual for directors to be credited co-editors, although the Coen Brothers and Robert Rodriguez have both directed and edited nearly all of their films.
However, there is also evidence that silent reading did occur in antiquity and that it was not generally regarded as unusual.
Perhaps the most unusual thing about the privately operated buses is the fact that they are all highly decorated and personalized, with decaling and home made interior designs that range from comic book scenes, to erotic themes, and even to " Hello Kitty " themes.
The river, named Hamza after the discoverer, an Indian-born scientist Valiya Mannathal Hamza who is working with the National Observatory at Rio, makes it the first and geologically unusual instance of a twin-river system flowing at different levels of the earth's crust in Brazil.
Due to a name which is unusual in Denmark, it is speculated that he was christened on the Danish " Absalon " name day, October 30.
There exist pairs of long and short vowels with overlapping vowel quality giving Australian English phonemic length distinction, which is unusual amongst the various dialects of English, though not unknown elsewhere, such as in regional south-eastern dialects of the UK and eastern seaboard dialects in the US .< ref >
is and since
Even the knowledge that she was losing another boy, as a mother always does when a marriage is made, did not prevent her from having the first carefree, dreamless sleep that she had known since they dropped down the canyon and into Bear Valley, way, way back there when they were crossing those other mountains.
since Bourbon whiskey, though of Kentucky origin, is at least as much favored by liberals in the North as by conservatives in the South.
But what a super-Herculean task it is to winnow anything of value from the mud-beplastered arguments used so freely, particularly since such common use is made of cliches and stereotypes, in themselves declarations of intellectual bankruptcy.
Its massive contours are rooted in the simple need of man, since he is always incomplete, to complete himself.
The young William Faulkner in New Orleans in the 1920's impressed the novelist Hamilton Basso as obviously conscious of being a Southerner, and there is no evidence that since then he has ever considered himself any less so.
Without saying or seeming to say that in portraying the Sartoris and the Compson families Faulkner's chief concern is social criticism, we can say nevertheless that through those families he dramatizes his comment on the planter dynasties as they have existed since the decades before the Civil War.
Circular motion, however, since it is eternal and perfectly continuous, lacks termini.
At the same time, I am aware that my recoil could be interpreted by readers of the tea leaves at the bottom of my psyche as an incestuous sign, since theirs is a science of paradox: if one hates, they say it is because one loves ; ;
But when these expectations are once too often ground into the dust, innocence can falter, since its strength is according to the strength of him who possesses it.
It is true that this distinction between style and idea often approaches the arbitrary since in the end we must admit that style and content frequently influence or interpenetrate one another and sometimes appear as expressions of the same insight.
It has been a long time since he has seen any campaign money, and when the proposition is laid down to him as the friends of Mr. Hearst are laying it down these days he is quite likely to get aboard the Hearst bandwagon ''.
One's daily work becomes sacred, since it is performed in the field of influence of the moral law, dealing as it does with people as well as with matter and energy.
My argument is that there was no Saxon Shore prior to that time even though the forts had been in existence since the time of Carausius.
This, naturally, will be difficult to do since both the archaeological and place-name evidence in this period, with some fortunate exceptions, is insufficient for precise chronological purposes.
I would, however, like to suggest that, wrong though I may be, the tendency to see dilemmas rather than solutions is one of which I have been a victim ever since I can remember, and therefore not merely a senile phenomenon.
But since last fall the United States has been moving toward a pro-neutralist position and now is ready to back the British plan for a cease-fire patrolled by outside observers and followed by a conference of interested powers.
`` The cannery '', said Mrs. Lewellyn Lundeen, an active booster of the cannery since its opening during the war and rationing years of 1941, to handle the `` victory garden '' produce, `` is a service to the taxpayer.
Morrison points out that since our country is more urbanized than the Soviet Union or Red China, it is the most vulnerable of the great powers -- Europe of course must be written off out of hand.
Perhaps Khrushchev is in a more difficult position than any since 1957, when the `` anti-party group '' nearly liquidated him.
It is vitally important that the new U.S. aid program should encourage all of them, since the main thrust for development must come from the less developed countries themselves.
Mr. Sulzberger's successor as publisher is Mr. Orvil E. Dryfoos, who is president of the New York Times Co., and who has been with the Times since 1942.
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