Acetolactate synthase

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ilvB (bacterial acetolactate synthase)-like
Identifiers
Symbol ILVBL
HUGO 6041
Entrez 10994
OMIM 605770
RefSeq NM_176826
UniProt Q99651
Other data
Locus Chr. 19 p13.1

The acetolactate synthase (ALS) enzyme (also known as acetohydroxyacid synthase, or AHAS) is the first step in the synthesis of the branched-chain amino acids (valine, leucine, and isoleucine).

These herbicides slowly starve affected plants of these amino acids which eventually leads to inhibition of DNA synthesis.

They affect grasses and dicots alike.

The ALS inhibitor family includes sulfonylureas (SUs), imidazolinones (IMIs), triazolopyrimidines (TPs), pyrimidinyl oxybenzoates (POBs), and sulfonylamino carbonyl triazolinones (SCTs).

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