Category: Complement

  • Melanin-concentrating hormone (MCH) aka PMCH

    Melanin-concentrating hormone (MCH), also known as pro-melanin stimulating hormone (PMCH), is a cyclic 19-amino acid orexigenic hypothalamicpeptide originally isolated from the pituitary gland of teleost fish, where it controls skin pigmentation. Barson JR, Morganstern I, Leibowitz SF (2013). “Complementary roles of orexin and melanin-concentrating hormone in feeding behavior”. International Journal of Endocrinology. 2013: 983964. doi:10.1155/2013/983964. PMC 3727095. PMID 23935621. In mammals it is involved in the regulation of feeding behavior, mood,…

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  • What Is A Siderophore?

    Siderophores (Greek: "iron carrier") are small, high-affinity iron-chelating compounds that are secreted by microorganisms such as bacteria and fungi. They help the organism accumulate iron. Although a widening range of siderophore functions is now being appreciated. Siderophores are among the strongest (highest affinity) Fe3+ binding agents known. Phytosiderophores are siderophores produced by plants.

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  • The sweet pea is a flowering plant in the genus Lathyrus in the family Fabaceae (legumes)  🧪☣️☠️⚗️🤢

    The sweet pea is a flowering plant in the genus Lathyrus in the family Fabaceae (legumes)  🧪☣️☠️⚗️🤢

    The sweet pea, Lathyrus odoratus, is a flowering plant in the genus Lathyrus in the family Fabaceae (legumes), native to Sicily, southern Italy and the Aegean Islands. It is an annual climbing plant, growing to a height of 1–2 metres (3 ft 3 in – 6 ft 7 in), where suitable support is available. The leaves are pinnate with two leaflets and a terminal tendril, which twines around supporting plants and structures, helping the sweet pea to climb. In…

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  • Nucleic acid secondary structure

    Nucleic acid secondary structure is the basepairing interactions within a single nucleic acid polymer or between two polymers. It can be represented as a list of bases which are paired in a nucleic acid molecule. Dirks, Robert M.; Lin, Milo; Winfree, Erik & Pierce, Niles A. (2004). “Paradigms for computational nucleic acid design”. Nucleic Acids Research. 32 (4): 1392–1403. doi:10.1093/nar/gkh291. PMC 390280. PMID 14990744.  The secondary structures of biological DNAs and RNAs tend to be…

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  • Structural motif

    In a chain-like biological molecule, such as a protein or nucleic acid, a structural motif is a common three-dimensional structure that appears in a variety of different, evolutionarily unrelated molecules. Johansson, M.U. (23 July 2012). “Defining and searching for structural motifs using DeepView/Swiss-PdbViewer”. BMC Bioinformatics. 13 (173): 173. doi:10.1186/1471-2105-13-173. PMC 3436773. PMID 22823337.  A structural motif does not have to be associated with a sequence motif; it can be represented by different and completely unrelated…

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