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What does AAAH stand for? 

What does AAAH mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: AAAH.

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AAAH

Australian Association for Adolescent Health

Community » Unions

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AAAH

Advocates for Asian American Health

Business » Professional Organizations

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AAAH

Affordable Adaptable Alternative Housing

Community » Housing & Amenities

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AAAH

Animated Atlas of African History

Regional » African -- and more...

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AAAH

Aromatic Amino Acid Hydroxylases

Academic & Science » Chemistry

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AAAH

African American Alliance for Homeownership

Community » Non-Profit Organizations

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AAAH

Airbus Approved Abbreviation Handbook

Miscellaneous » Unclassified

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AAAH

Aromatic Amino Acid Hydroxylase

Academic & Science » Chemistry

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What does AAAH mean?

Aaah
Biopterin-dependent aromatic amino acid hydroxylases (AAAH) are a family of aromatic amino acid hydroxylase enzymes which includes phenylalanine 4-hydroxylase (EC 1.14.16.1), tyrosine 3-hydroxylase (EC 1.14.16.2), and tryptophan 5-hydroxylase (EC 1.14.16.4). These enzymes primarily hydroxylate the amino acids L-phenylalanine, L-tyrosine, and L-tryptophan, respectively. The AAAH enzymes are functionally and structurally related proteins which act as rate-limiting catalysts for important metabolic pathways. Each AAAH enzyme contains iron and catalyzes the ring hydroxylation of aromatic amino acids using tetrahydrobiopterin (BH4) as a substrate. The AAAH enzymes are regulated by phosphorylation at serines in their N-termini.

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