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Biochemistry, Histidine - StatPearls - NCBI Bookshelf
Histidine is a nutritionally essential amino acid precursor for several hormones (eg, thyrotropin-releasing hormone) and critical metabolites affecting renal function, neurotransmission, gastric secretion, and the immune system.
www.ncbi.nlm.nih.gov
www.ncbi.nlm.nih.gov
Histidine - Wikipedia
Histidine (symbol His or H) [2] is an essential amino acid that is used in the biosynthesis of proteins.
en.wikipedia.org
en.wikipedia.org
Histidine - Uses, Side Effects, and More - WebMD
Histidine is an essential amino acid. It is not made by the body, but is consumed in foods. Amino acids are the building blocks of protein.
www.webmd.com
www.webmd.com
histidine
histidine Biochem. (ˈhɪstɪdiːn, -ɪn) Also -in. [ad. G. histidin (A. Kossel 1896, in Zeitschr. f. physiol. Chem. XXII. 176), f. Gr. ἱστ-ός web, tissue + -idine c.] An amino-acid; see quot. 1940.1896 Jrnl. Chem. Soc. LXX. i. 582 The sulphate from..sturgeon sperm has rather different solubilities in so...
Oxford English Dictionary
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L-Histidine | C6H9N3O2 | CID 6274 - PubChem
L-histidine is the L-enantiomer of the amino acid histidine. It has a role as a nutraceutical, a micronutrient, a Saccharomyces cerevisiae metabolite.
pubchem.ncbi.nlm.nih.gov
pubchem.ncbi.nlm.nih.gov
What Are the Benefits of L-Histidine? - Verywell Health
L-histidine is an essential amino acid. Assuming adequate protein intake, deficiency is rare, and single amino acid supplementation is usually not needed.
www.verywellhealth.com
www.verywellhealth.com
Histidine - University of Rochester Medical Center
Histidine is 1 of the 9 essential amino acids people must get from food. It is in most protein-rich foods such as meat, fish, and eggs.
www.urmc.rochester.edu
www.urmc.rochester.edu
Histidine - an overview | ScienceDirect Topics
Histidine is the precursor for histamine, which is important for the immune system by mediating growth and functionality of immune cells.
www.sciencedirect.com
www.sciencedirect.com
Benefits and Adverse Effects of Histidine Supplementation
Histidine is a nutritionally essential amino acid with many recognized benefits to human health, while circulating concentrations of histidine decline in ...
jn.nutrition.org
jn.nutrition.org
Histidine | Essential, Protein, Structure | Britannica
Histidine, an amino acid obtainable by hydrolysis of many proteins. A particularly rich source, hemoglobin (the oxygen-carrying pigment of ...
www.britannica.com
www.britannica.com
Why is Histidine considered positively charged when there ... - Reddit
In short, histidine retains its positive charge until the system's pH>6. Above this pH, Histidine is neutrally charged to a certain point. When ...
www.reddit.com
www.reddit.com
Histidine—tRNA ligase
In enzymology, a histidine-tRNA ligase () is an enzyme that catalyzes the chemical reaction
ATP + L-histidine + tRNAHis AMP + diphosphate + L-histidyl-tRNAHis This enzyme participates in histidine metabolism and aminoacyl-trna biosynthesis.
wikipedia.org
en.wikipedia.org
Histidine protonation In histidine structure , full protonation gives a structure with only the double bonded nitrogen having been protonated in the ring and not the single bonded nitrogen. Why is that?
In essence, the histidine imidazole sidecvhain may move around it's protons and electrons when pH is roughly equal to pKa.
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Histidine operon leader
The Histidine operon leader is an RNA element found in the bacterial histidine operon.
wikipedia.org
en.wikipedia.org
Histidine decarboxylase
The enzyme histidine decarboxylase (, HDC) is transcribed on chromosome 15, region q21.1-21.2, and catalyzes the decarboxylation of histidine to form HDC is highly specific for its histidine substrate.
Biological relevance
Histidine decarboxylase is the primary biological source of histamine.
wikipedia.org
en.wikipedia.org