These enzymes are members of the larger class of aldehyde dehydrogenases.

Oxygen is used to remove an amine group from a molecule, resulting in the corresponding aldehyde and ammonia.

An aldol reaction, for example, is inherently diastereoselective if the aldehyde is enantiopure, the resulting aldol adduct is diastereomerically and enantiomerically pure.

Sami has turned his life around.

But that has changed fundamentally.

When an α hydrogen is present (as is the case when the carbonyl is an aldehyde), it will tautomerize to the corresponding enone.

The consumer is telling us that he is ready for radical change.

This enthusiasm for reform marks a paradigm shift.

But, otherwise, little has fundamentally changed.

And they said, Oh, this is kind of radical. We have to think about it.

Most Greeks are aware that the country needs to be radically transformed.

That is a radical change, not the mere tidying up exercise some suggest.

The war in the 1990s caused a dramatic change in the Bosnian economy.

All of this has radically altered Israel's domestic political map.

This could mark a sea change in the evolution of Palestinian nationalism.

The Netherlands Nationality Act (RWN) underwent radical change as from 1 April 2003.

Everything has changed radically during the last three years.

In the last 20 years the industrial base of the region's economy has changed radically.

And here we made 180 degrees change we changed from a rocket house to be an exploration house.

Radical, what does it mean? It's something which is rooted, and something which is rooted deep in a tradition.

This is a future that would radically and irreversibly change life on earth as we know it.

The school curriculum was radically modified to eliminate teaching in the Korean language and history.

Vigorous efforts are needed on the Palestinian side to bring about drastic improvement in security measures.

My guess is, for what it's worth, is that the United States will remain the most powerful nation on earth for the next 10 years, 15, but the context in which she holds her power has now radically altered it has radically changed.

In the 20 years since Khomeini s death, the composition of this political class has changed drastically.

India needs to expand dramatically the sources and volume of available infrastructure financing.

Since the Cold War s end, all kinds of barriers have come down, and the world economy has fundamentally changed.

No amount of UN reform could make things fundamentally different.

We support a counter terrorism strategy by which that scourge would be attacked at the root level.

In essence, the proposal argues for a drastic transformation of the existing CERF.

With the smallest investment in the right places, you can radically transform the quality of your relationships and the quality of your life.

This concentration of revenues radically changes the relationship between society and the state.

Insisting on the religious side of the ban radically changed the very meaning of the law.

Meeting this demand in a sustainable manner will require drastically increasing the efficiency with which energy is produced, delivered and used.

He developed a radical alternative system of engaging the smallest children with the most abstract ideas through physical forms of play.

So in summary, we need a drastic change in the way we think and behave, but we don't need a workers' revolution.

Does this mean that Europe and the US have dramatically different visions?

But they don t speak as good Icelandic as I do, says Gnarr. It s a drastic change in a very short time.

Since the 1960s, the South Korean economy has grown enormously and the economic structure was radically transformed.

Radical interpretation involves imagining that you are placed into a community which speaks a language you do not understand at all.

It successfully moved toward fair local elections in November 1990, ensuring fundamental change at the county and town level.

The OSCE has also changed dramatically in that time, evolving from a conference into a highly sophisticated organization.

Overall, the implementation of the peace agreement will radically alter the political, economic and social landscape of the country.

But, rather like the election of the first black president of the United States, it was fizzing with popular expectations, promising a fundamental shift from the past.

Five years have not been a time period long enough for the achievement of a radical reversal of the above mentioned ratios.