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...

In enzymology, a histidine transaminase (EC 2.6.1.38) is an enzyme that catalyzes the chemical reaction L-histidine + 2-oxoglutarate ⇌{\displaystyle \rightleftharpoons...

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...

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...

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...

Histidine kinases (HK) are multifunctional, and in non-animal kingdoms, typically transmembrane, proteins of the transferase class of enzymes that play...

In enzymology, a phenylalanine(histidine) transaminase (EC 2.6.1.58) is an enzyme that catalyzes the chemical reaction L-phenylalanine + pyruvate ⇌{\displaystyle...

Histidine-tryptophan-ketoglutarate, or Custodiol HTK solution, is a high-flow, low-potassium preservation solution used for organ transplantation. The...

regulator (RR) by a histidine kinase (HK). Histidine kinases are typically homodimeric transmembrane proteins containing a histidine phosphotransfer domain...

ATP:protein-L-histidine N-pros-phosphotransferase, histidine kinase, histidine protein kinase, protein histidine kinase, protein kinase (histidine), and HK2...

Histidine ammonia-lyase (EC 4.3.1.3, histidase, histidinase) is an enzyme that in humans is encoded by the HAL gene. It converts histidine into ammonia...

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...

Histidine phosphotransfer domains and histidine phosphotransferases (both often abbreviated HPt) are protein domains involved in the "phosphorelay" form...

Ergothioneine is a naturally occurring amino acid and is a thiourea derivative of histidine, containing a sulfur atom on the imidazole ring. This compound occurs...

isoleucine, leucine, methionine, phenylalanine, tryptophan, threonine, histidine, and lysine. Six other amino acids are considered conditionally essential...

Nalpha-dimethyl-L-histidine ⇌{\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + Nalpha,Nalpha,Nalpha-trimethyl-L-histidine Thus, the two substrates...

In enzymology, a histidine N-acetyltransferase (EC 2.3.1.33) is an enzyme that catalyzes the chemical reaction acetyl-CoA + L-histidine ⇌ {\displaystyle...

ATP:protein-L-histidine N-tele-phosphotransferase, histidine kinase, histidine protein kinase, protein histidine kinase, protein kinase (histidine), and HK3...

and histidine (His, H). Arginine has a charged guanidino group and lysine a charged alkyl amino group, and are fully protonated at pH 7. Histidine's imidazole...

product that is produced in the body via the enzymatic methylation of histidine during peptide bond synthesis and the methylation of actin and myosin...

muscle and brain of mammals and birds. The pKa of the imidazole ring of histidine, when contained in anserine, is 7.04. An animal model study of Alzheimer's...

number 200-745-3 (D-histidine) ^a EINECS number 206-513-8 (L-histidine) ^a CID 71083 from PubChem (D-histidine) ^a CID 6274 from PubChem (L-histidine)...

dictionary. Protein histidine kinase may refer to: Histidine kinase, an enzyme Protein-histidine tele-kinase, an enzyme Protein-histidine pros-kinase, an...

standard amino acids, histidine, phenylalanine, tryptophan, tyrosine, are classified as aromatic. Aromatic amino acids, except of histidine, absorb ultraviolet...

Histidine-rich glycoprotein (HRG) is a glycoprotein that in humans is encoded by the HRG gene. The HRG protein is produced in the liver, and it could...

peptide histidine isoleucine, is a peptide which functions as a hormone. This peptide contains a composition of 27 amino acids with histidine on the N-terminus...

Histidine methyl ester (HME) is an irreversible histidine decarboxylase inhibitor. It is the methyl ester of histidine. Histidine decarboxylase α-Fluoromethylhistidine...

kinases that phosphorylate other amino acids, including histidine kinases that phosphorylate histidine residues. Eukaryotic protein kinases are enzymes that...

d-Fructose-l-histidine (FruHis) is a ketosamine combining the d-isomer of fructose and the l-isomer of histidine into a functional group. FruHis is present...

In enzymology, a histidine-tRNA ligase (EC 6.1.1.21) is an enzyme that catalyzes the chemical reaction ATP + L-histidine + tRNAHis ⇌ {\displaystyle \rightleftharpoons...