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*  Protein metabolism
Positively charged side chains....... Arginine Histidine Lysine Negatively charged side chains Aspartic acid Glutamic acid ...
*  Histidine
... MS Spectrum Histidine biosynthesis (early stages) Histidine biosynthesis (later stages) Histidine catabolism. ... Humans and other animals must ingest histidine or histidine-containing proteins. The biosynthesis of histidine has been widely ... In a histidine proton shuttle, histidine is used to quickly shuttle protons. It can do this by abstracting a proton with its ... Histidine, also referred to as L-histidine, is an essential amino acid that is not synthesized de novo in humans. ...
*  Histidine transaminase
In enzymology, a histidine transaminase (EC 2.6.1.38) is an enzyme that catalyzes the chemical reaction L-histidine + 2- ... Other names in common use include histidine aminotransferase, and histidine-2-oxoglutarate aminotransferase. This enzyme ... Wickremasinghe R, Hedegaard J, Roche J (1967). "Degradation de la L-histidine chez Escherichia coli B: formation de l'acide ... The systematic name of this enzyme class is L-histidine:2-oxoglutarate aminotransferase. ...
*  Histidine decarboxylase
HDC decarboxylates histidine through the use of a PLP cofactor initially bound in a Schiff base to lysine 305. Histidine ... In humans, histidine decarboxylase is encoded by the HDC gene. Histidine decarboxylase is a group II pyridoxal-dependent ... Histidine decarboxylase (HDC) is an enzyme responsible for catalyzing the decarboxylation of histidine to form histamine. In ... HDC is highly specific for its histidine substrate. Histidine decarboxylase is the primary biological source of histamine. ...
*  Histidine kinase
In terms of enzymology, a histidine kinase (EC 2.7.13.3, EnvZ, histidine protein kinase, protein histidine kinase, protein ... protein L-histidine ⇌ {\displaystyle \rightleftharpoons } ADP + protein N-phospho-L-histidine. Thus, the two substrates of this ... the widespread existence of protein histidine phosphorylation distinct from that of two-component histidine kinases has been ... The histidine phosphorylation site is located at His-260. The N, G1, F and G2 boxes are contained in the C-terminal catalytic ...
*  Histidine ammonia-lyase
Histidase converts histidine into ammonia and urocanic acid. Histidine ammonia-lyase is a cytosolic enzyme catalyzing the first ... Histidine ammonia-lyase (or histidase, or histidinase) is an enzyme that in humans is encoded by the HAL gene. ... Histidine Ammonia-Lyase at the US National Library of Medicine Medical Subject Headings (MeSH) This article incorporates text ... Schwede, TF; Rétey, J; Schulz, GE (Apr 27, 1999). "Crystal structure of histidine ammonia-lyase revealing a novel polypeptide ...
*  Histidine operon leader
The Histidine operon leader is an RNA element found in the bacterial histidine operon. At least 6 amino acid operons are known ... Page for Histidine operon leader at Rfam. ...
*  Phenylalanine(histidine) transaminase
... histidine):pyruvate aminotransferase, histidine:pyruvate aminotransferase, and L-phenylalanine(L-histidine):pyruvate ... In enzymology, a phenylalanine(histidine) transaminase (EC 2.6.1.58) is an enzyme that catalyzes the chemical reaction L- ... Minatogawa Y, Noguchi T, Kido R (1977). "Species distribution and properties of hepatic phenylalanine (histidine):pyruvate ... Other names in common use include phenylalanine (histidine) aminotransferase, phenylalanine( ...
*  Histidine phosphotransfer domain
... s and histidine phosphotransferases (both often abbreviated HPt) are protein domains involved ... In orthodox two-component signaling, a histidine kinase protein autophosphorylates on a histidine residue in response to an ... with similarity to the structure of histidine kinases. Monomeric HPt domains possess only one phosphorylatable histidine ... The histidine phosphotransfer function can be carried out by proteins with at least two different architectures, both composed ...
*  Histidine N-acetyltransferase
N-acetyl-L-histidine Thus, the two substrates of this enzyme are acetyl-CoA and L-histidine, whereas its two products are CoA ... In enzymology, a histidine N-acetyltransferase (EC 2.3.1.33) is an enzyme that catalyzes the chemical reaction acetyl-CoA + L- ... The systematic name of this enzyme class is acetyl-CoA:L-histidine N-acetyltransferase. Other names in common use include ... Baslow MH (1966). "N -acetyl-L-histidine synthetase activity from the brain of the killifish". Brain Res. 3 (2): 210-3. doi: ...
*  Histidine-tryptophan-ketoglutarate
... together with intensive buffering of the extracellular space by means of histidine/histidine hydrochloride, so as to prolong ... Histidine-tryptophan-ketoglutarate, or Servator HTK solution is a high-flow, low-potassium preservation solution used for organ ... 4. Pokorny H., et al.: Histidine-tryptophan-ketoglutarate solution for organ preservation in human liver transplantation - a ... 7. Hatano E., et al.: Hepatic preservation with histidine-tryptophan-ketoglutarate solution in living related and cadaveric ...
*  Histidine-rich glycoprotein
"Entrez Gene: HRG histidine-rich glycoprotein". Wakabayashi S (2013). "New insights into the functions of histidine-rich ... The high concentration of both histidine and proline residues has resulted in HRG also being termed 'histidine-proline-rich ... Histidine-rich glycoprotein (HRG)is a glycoprotein that in humans is encoded by the HRG gene. The HRG protein is produced in ... This histidine-rich glycoprotein contains two cystatin-like domains and is located in plasma and platelets. It is known that ...
*  Histidine-tRNA ligase
In enzymology, a histidine-tRNA ligase (EC 6.1.1.21) is an enzyme that catalyzes the chemical reaction ATP + L-histidine + ... This enzyme participates in histidine metabolism and aminoacyl-trna biosynthesis. Histidine-tRNA ligase belongs to the family ... The systematic name of this enzyme class is L-histidine:tRNAHis ligase (AMP-forming). Other names in common use include ... L-histidine, and tRNA(His), whereas its 3 products are AMP, diphosphate, and L-histidyl-tRNA(His). ...
*  Protein histidine kinase
... may refer to: Histidine kinase, an enzyme Protein-histidine tele-kinase, an enzyme Protein-histidine ...
*  Histidine (data page)
a EINECS number 200-745-3 (D-histidine) ^a EINECS number 206-513-8 (L-histidine) ^a CID 71083 from PubChem (D-histidine) ^a CID ...
*  Protein-histidine N-methyltransferase
Other names in common use include protein methylase IV, protein (histidine) methyltransferase, actin-specific histidine ... protein L-histidine ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + protein Ntau-methyl-L-histidine Thus, the ... In enzymology, a protein-histidine N-methyltransferase (EC 2.1.1.85) is an enzyme that catalyzes the chemical reaction S- ... The systematic name of this enzyme class is S-adenosyl-L-methionine:protein-L-histidine N-tele-methyltransferase. ...
*  Protein-histidine tele-kinase
... histidine kinase, histidine protein kinase, protein histidine kinase, protein kinase (histidine), and HK3. Fujitaki JM, Fung G ... protein-histidine kinases). The systematic name of this enzyme class is ATP:protein-L-histidine Ntau-phosphotransferase. Other ... protein L-histidine ⇌ {\displaystyle \rightleftharpoons } ADP + protein Nτ-phospho-L-histidine Thus, the two substrates of this ... In enzymology, a protein-histidine tele-kinase (EC 2.7.13.2) is an enzyme that catalyzes the chemical reaction ATP + ...
*  Protein-histidine pros-kinase
... histidine kinase, histidine protein kinase, protein histidine kinase, protein kinase (histidine), and HK2. Fujitaki JM, Fung G ... protein-histidine kinases). The systematic name of this enzyme class is ATP:protein-L-histidine Npi-phosphotransferase. Other ... protein L-histidine ⇌ {\displaystyle \rightleftharpoons } ADP + protein Nπ-phospho-L-histidine Thus, the two substrates of this ... In enzymology, a protein-histidine pros-kinase (EC 2.7.13.1) is an enzyme that catalyzes the chemical reaction ATP + ...
*  D-Fructose-L-histidine
... (FruHis) is a ketosamine combining the D-isomer of fructose and the L-isomer of histidine into a ...
*  3-Methylhistidine
"3-Methyl-L-histidine". PubChem Compound. United States National Library of Medicine - National Center for Biotechnology ... 3-Methylhistidine is a metabolic product that is produced in the body via the enzymatic methylation of histidine during peptide ...
*  Imidazoleglycerol-phosphate dehydratase
This enzyme participates in histidine metabolism as it is involved in the 6th step of histidine biosynthesis as part of a nine ... This reaction is the sixth step in the biosynthesis of histidine in bacteria, fungi and plants. This enzyme belongs to the ... AMES BN (1957). "The biosynthesis of histidine; D-erythro-imidazoleglycerol phosphate dehydrase". J. Biol. Chem. 228 (1): 131- ... "Structure and function of the Salmonella typhimurium and Escherichia coli K-12 histidine operons". J. Mol. Biol. 203 (3): 585- ...
*  Protein kinase
... including histidine kinases that phosphorylate histidine residues to create acid and heat-labile phosphoramidate bonds. Recent ... Histidine kinases are also found in plants, fungi, animals, and other eukaryotes. The pyruvate dehydrogenase family of kinases ... A phosphate group from ATP is first added to a histidine residue within the kinase, and later transferred to an aspartate ... See JAK-STAT pathway.) Histidine kinases are structurally distinct from most other protein kinases and are found mostly in ...
*  Histidinol-phosphatase
This enzyme participates in histidine metabolism. As of late 2007, 5 structures have been solved for this class of enzymes, ... AMES BN (1957). "The biosynthesis of histidine; L-histidinol phosphate phosphatase". J. Biol. Chem. 226 (2): 583-93. PMID ...
*  Urocanic aciduria
The amino acid histidine, when catalyzed by the enzyme histidase, forms urocanic acid. Disruptions in this pathway, caused by a ... With normal to only slightly elevated levels of histidine present in the liver during urocanic aciduria, the only true ... It is a secondary disorder of histidine metabolism. Urocanic aciduria is thought to be relatively benign. Although aggressive ... Disorders of histidine metabolism. http://www.ommbid.com/OMMBID/the_online_metabolic_and_molecular_bases_of_inherited_disease/b ...
*  Phosphorylation
... usually occurs on serine, threonine, tyrosine and histidine residues in eukaryotic proteins. Histidine ... Histidine and aspartate phosphorylation occurs in prokaryotes as part of two-component signaling and in some cases in ... Once histidine is phosphorylated the regulatory domain of the response regulator catalyzes the transfer of the phosphate to ... and In prokaryotes, archea, and some lower eukaryotes histidine's nitrogen act as a nucleophile and binds to a phosphate group ...