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Histidine (symbol His or H) is an
essential amino acid that is used in the
biosynthesis of proteins. It
contains an α-amino
group (which is in the protonated...
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consists of at
least six
histidine (His) residues,
often at the N- or C-terminus of the protein. It is also
known as a hexa
histidine-tag, 6xHis-tag, or His6...
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Carnosine (beta-alanyl-L-
histidine) is a
dipeptide molecule, made up of the
amino acids beta-alanine and
histidine. It is
highly concentrated in muscle...
- In enzymology, a
histidine transaminase (EC 2.6.1.38) is an
enzyme that
catalyzes the
chemical reaction L-
histidine + 2-oxoglutarate ⇌ {\displaystyle \rightleftharpoons...
- Nalpha-dimethyl-L-
histidine ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + Nalpha,Nalpha,Nalpha-trimethyl-L-
histidine Thus, the two substrates...
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regulator (RR) by a
histidine kinase (HK).
Histidine kinases are
typically homodimeric transmembrane proteins containing a
histidine phosphotransfer domain...
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enzyme histidine decarboxylase (EC 4.1.1.22, HDC) is
transcribed on
chromosome 15,
region q21.1-21.2, and
catalyzes the
decarboxylation of
histidine to form...
- In enzymology, a phenylalanine(
histidine)
transaminase (EC 2.6.1.58) is an
enzyme that
catalyzes the
chemical reaction L-phenylalanine +
pyruvate ⇌ {\displaystyle...
- protein-
histidine N-methyltransferase (EC 2.1.1.85) is an
enzyme that
catalyzes the
chemical reaction S-adenosyl-L-methionine +
protein L-
histidine ⇌ {\displaystyle...
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Histidine kinases (HK) are multifunctional, and in non-animal kingdoms,
typically transmembrane,
proteins of the
transferase class of
enzymes that play...
