Since 2001, 40 non-natural amino acids have been added into protein by creating a unique codon ( recoding ) and a corresponding transfer-RNA: aminoacyl – tRNA-synthetase pair to encode it with diverse physicochemical and biological properties in order to be used as a tool to exploring protein structure and function or to create novel or enhanced proteins.

One of the smallest in marsupials with no more than 0. 2 % of its body weight, about 40 % of the cranial cavity is filled with cerebrospinal fluid, while the brain's two cerebral hemispheres are like " a pair of shrivelled walnut halves on top of the brain stem, in contact neither with each other nor the bones of the skull.

The first white dwarf discovered was in the triple star system of 40 Eridani, which contains the relatively bright main sequence star 40 Eridani A, orbited at a distance by the closer binary system of the white dwarf 40 Eridani B and the main sequence red dwarf 40 Eridani C. The pair 40 Eridani B / C was discovered by William Herschel on 31 January 1783 ;< sup >, p. 73 </ sup > it was again observed by Friedrich Georg Wilhelm Struve in 1825 and by Otto Wilhelm von Struve in 1851.

Today, a pair of durable jeans can be purchased in the United States for about 40 dollars.

In stark contrast to the mirrored sound systems commonly used by the rock band touring engineers, with two 40 – 48 channel mixing consoles at the Front of house, and another pair for monitors, the BBC sound engineers had to use multiple 12 channel desks.

Under Lord Eldon, Chancery procedure was further reformed with a pair of orders published in 1741 and 1747, which mandated that a claimant who brought his case to court and had it dismissed immediately should pay full costs to the other side, rather than the 40 shillings previously paid, and that parties filing bills of review should pay £ 50 for the privilege.

Lead track " Blue " turned out to be a Top 40 hit in Canada ( peaking at No. 33 ), but the record's production had been very expensive and the album failed to sell as expected in the U. S. Among the album's songs is " Miss Williams ' Guitar ," a love song for Olson's then-girlfriend, singer-songwriter Victoria Williams ( the pair later married, but divorced in February, 2006 ).

Again using the above example, a pair of full or part-time RVers might break camp and move the 115 miles ( 185 km ) between Phoenix and Tucson, averaging 8. 5 mpg ( 3. 6 kpl ); but then travel 300 miles ( 482 km ) in the ensuing fortnight in their towed car, a hybrid, averaging 40 mpg ( 17 kpl ).

The head diameters usually range from 12 ″ ( 30 cm ) to 16 ″ ( 40 cm ) with a pair normally differing in size by one inch ( 3 cm ).

At the edge eastern towhees occurred at a density of just over 10 pairs / 40 ha, while 197 feet ( 60 m ) from the edge eastern towhee density had dropped to 1 pair / 40 ha.

While repossessing Grandma's furniture, a pair of movers challenge Happy to hit golf balls, and his unorthodox hockey slapshot hits 400 yards three times, winning $ 40 as a result.

An observer on a planet in the 40 Eridani A system would see the B / C pair as unusually bright ( magnitudes-8 and-6 ) white and reddish-orange stars in the night sky.

Even within monogamous pairs, a high proportion of offspring-as many as 40 %-are not fathered by the male of the pair.

* Ross Andru / Mike Esposito — the pair worked together on-and-off for over 40 years, for DC and Marvel, on such titles as Showcase, the Metal Men, and The Amazing Spider-Man

However, in August 2006, after meeting 46 year old fitness instructor Lyndsay Whitburn, the pair married in a £ 40 ceremony in Gibraltar.

He was in Watergate: The Musical, in Atlanta in 1982 ; Herlihy played Senator Sam Ervin, a role for which he spent $ 40 for a pair of bushy eyebrows, only to find that they would not move up and down.

There has also been at least one installation of the RST-V8, created by Moto Power ; a 2 litre, 40 valve V8 made from a pair of motorcycle engines joined at the crank.

Later that same year she appeared in a pair of more financially successful films, Cruel Intentions and Urban Legend, each of which grossed just under $ 40 million in the US and led to two sequels each, though none included Reid.

Spanning more than 40 years of her life, Changing Shoes begins when Tina has a chance encounter with an old pair of shoes while dressing for the Daytime Emmy Awards.

Fluoride " loses " a pair of valence electrons because the electrons shared in the B — F bond are located in the region of space between the two atomic nuclei and are therefore more distant from the fluoride nucleus than they are in the lone fluoride ion.

The second smallest pair, ( 1184, 1210 ), was discovered in 1866 by a then teenage B. Nicolò I. Paganini, having been overlooked by earlier mathematicians.

Homomorphism groups: To every pair A, B of abelian groups one can assign the abelian group Hom ( A, B ) consisting of all group homomorphisms from A to B.

The creative but outdated ball-in-glove logo was removed and replaced with a stylized interlocking " M " and " B " set on a pair of crossed bats and a diamond background.

However, even a capture cannot guarantee Player B's safety ; usually Player A can replace the piece of the tessera captured and Player B will be in the same predicament — but very probably without the benefit of a pair to capture.

However, the piece played by Player B to capture the pair from Player A may also form a tessera for Player B, thus turning the tables for more than a moment.

An EPR pair is generated and distributed to two separate locations, A and B.

At location B, the EPR pair qubit is modified ( if necessary ), using the two bits to select the correct one of four possible quantum states.

So, Alice has two particles ( C, the one she wants to teleport, and A, one of the entangled pair ), and Bob has one particle, B.

The stars both belong to the spectral class B9V ; Rigel B is the more massive of the pair, at 2. 5 versus 1. 9 solar masses.

In 1974, Robert Bjork and William B. Whitten presented subjects with word pairs to be remembered ; however, before and after each word pair, subjects had to do a simple multiplication task for 12 seconds.

For example, when the last order of play before a pair score 5 points in the final game is A → X → B → Y, the order after change shall be A → Y → B → X if A still has the second serve.

Bonding diagram of diborane ( B < sub > 2 </ sub > H < sub > 6 </ sub >) showing with curved lines a pair of three-center two-electron bond s, each of which consists of a pair of electrons bonding three atoms, two boron atoms and a hydrogen atom in the middle.

Also many file systems manage space allocation with one or more block oriented bitmaps — in XFS these structures are replaced with an extent oriented structure consisting of a pair of B + trees for each filesystem allocation group ( AG ).

Let A, B, C and D be the hexes that make up a rhombus, with A and C being the non-touching pair.

With 4 computers ( e. g., A, B, C, and D ) on 4 switch ports, any pair ( e. g. A and B ) can transfer data back and forth while the other pair ( e. g. C and D ) also do so simultaneously, and the two conversations will not interfere with one another.

If this article / noun pair is used as the object of a verb, it ( usually ) changes to the accusative case, which entails an article shift in German – Ich sehe den Wagen.

This signal would be fed into the sound card audio input of the PC, and Banpaia would decode the ESN / MIN pair from this signal and display it on the screen.

" Carbon lone pair " HOMO / LUMO

Further improvements in the line followed in 1970 / 1 with a pair of machines that replaced the Nova / SuperNOVA, the Nova 1200 and Nova 800 series.

One particularly novel orientation developed at La Borde consisted of the suspension of the classical analyst / analysand pair in favour of an open confrontation in group therapy.

Although Johnson would attest in a 1984 radio interview that the " two tribes " of the song potentially represented any pair of warring adversaries ( giving the examples of " cowboys and Indians or Captain Kirk and Klingons "), the song does contain the line " On the air America / I modelled shirts by Van Heusen ", a clear reference to then US President Ronald Reagan, who had advertised for Phillips Van Heusen in 1953 ( briefly reviving the association in the early 1980s ), and whose first film had been titled Love Is On The Air.

In the offseason, the Marlins also pulled the plug on their returns from the disastrous Cabrera / Willis trade dealing Andrew Miller to the Red Sox for a minor league prospect and Cameron Maybin to the Padres for a pair of reliever to aid a struggling bullpen from the 2010 season.

In HTTP / 0. 9 and 1. 0, the connection is closed after a single request / response pair.

* Interaction: the relationship between an object and its direct superior or subordinate ( i. e. a superior / inferior pair )

The entry level interface to ISDN is the Basic ( s ) Rate Interface ( BRI ), a 128 kbit / s service delivered over a pair of standard telephone copper wires.

Daishō made as a pair, mounted as a pair, and owned / worn as a pair, are therefore uncommon and considered highly valuable, especially if they still retain their original mountings ( as opposed to later mountings, even if the later mounts are made as a pair ).

There is generally no qualifier to win high, although one common variant is any pair / no pair, where a hand of at least a pair is required to win high and any hand with no pair is required to win low.

In the Diffie – Hellman key exchange scheme, each party generates a public / private key pair and distributes the public key ... After obtaining an authentic copy of each others ' public keys, Alice and Bob can compute a shared secret offline.

Refraction is described by Snell's law, which states that for a given pair of media and a wave with a single frequency, the ratio of the sines of the angle of incidence θ < sub > 1 </ sub > and angle of refraction θ < sub > 2 </ sub > is equivalent to the ratio of phase velocities ( v < sub > 1 </ sub > / v < sub > 2 </ sub >) in the two media, or equivalently, to the opposite ratio of the indices of refraction ( n < sub > 2 </ sub > / n < sub > 1 </ sub >):

The transmitting part of the modem converts the digital signal transmitted by the teleprinter or tape reader to one or the other of a pair of audio frequency tones, traditionally 2295 / 2125 Hz ( US ) or 2125 / 1955 Hz ( Europe ).