Aselacin B
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| Category | Enzyme inhibitors |
| Catalog number | BBF-00102 |
| CAS | 156223-07-3 |
| Molecular Weight | 923.06 |
| Molecular Formula | C46H66N8O12 |
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Description
Aselacin B is a substance produced by Acremonium sp. AB 2093T-194 and AB 2068-51 that inhibits the binding of endothelin (en-dothelin) to its receptor. It has the effect of inhibiting the binding of endothelin to its receptor.
Specification
| IUPAC Name | (2R)-N-[(6R,9R,16S,17R)-6-(hydroxymethyl)-9-(1H-indol-3-ylmethyl)-17-methyl-2,5,8,11,15-pentaoxo-1-oxa-4,7,10,14-tetrazacycloheptadec-16-yl]-2-[[(10E,12E)-17-hydroxy-9-oxooctadeca-10,12-dienoyl]amino]pentanediamide |
| Canonical SMILES | CC1C(C(=O)NCCC(=O)NC(C(=O)NC(C(=O)NCC(=O)O1)CO)CC2=CNC3=CC=CC=C32)NC(=O)C(CCC(=O)N)NC(=O)CCCCCCCC(=O)C=CC=CCCCC(C)O |
| InChI | InChI=1S/C46H66N8O12/c1-29(56)15-9-5-3-6-10-16-32(57)17-11-7-4-8-12-20-39(59)51-35(21-22-38(47)58)44(63)54-42-30(2)66-41(61)27-50-43(62)37(28-55)53-45(64)36(52-40(60)23-24-48-46(42)65)25-31-26-49-34-19-14-13-18-33(31)34/h3,6,10,13-14,16,18-19,26,29-30,35-37,42,49,55-56H,4-5,7-9,11-12,15,17,20-25,27-28H2,1-2H3,(H2,47,58)(H,48,65)(H,50,62)(H,51,59)(H,52,60)(H,53,64)(H,54,63)/b6-3+,16-10+/t29?,30-,35-,36-,37-,42+/m1/s1 |
| InChI Key | YUBIUAUSTIXPQN-SBPAWIRTSA-N |
Reference Reading
1. Aselacins, novel compounds that inhibit binding of endothelin to its receptor. II. Isolation and elucidation of structures
J E Hochlowski, P Hill, D N Whittern, M H Scherr, R R Rasmussen, S A Dorwin, J B McAlpine J Antibiot (Tokyo). 1994 May;47(5):528-35. doi: 10.7164/antibiotics.47.528.
Three novel compounds, named the aselacins, which inhibit the binding of endothelin to its receptor have been isolated from two related Acremonium species of fungi grown in stationary culture. These compounds are cyclic pentapeptolides with a ring formed by cyclo[Gly-D-Ser-D-Trp-beta-Ala-L-Thr] and an additional exocyclic D-Gln to which is attached a functionalized long chain fatty acid. The aselacins differ in the functionalization of this acid. The structures of the aselacins were determined by amino acid analysis, mass spectrometry and evaluation of 1-D and 2-D homonuclear and heteronuclear 1H, 13C and 15N NMR spectra in protic and aprotic solvents. The stereochemistry of the amino acids present was elucidated by chiral HPLC of hydrolyzed compound.
2. Aselacins, novel compounds that inhibit binding of endothelin to its receptor. I. The producing organism, fermentation and biological activity
M Jackson, N S Burres, J P Karwowski, L A Alder, P E Humphrey, W L Kohl, J B McAlpine J Antibiot (Tokyo). 1994 May;47(5):523-7. doi: 10.7164/antibiotics.47.523.
A radioligand test to detect inhibitors of endothelin-1 binding to its receptors in bovine atrial and porcine cerebral membranes was used to screen fungal metabolites from stationary fermentations. Inhibitory activity, observed in culture extracts of two Acremonium species, led to the discovery of aselacins A, B and C. Aselacin A inhibits binding to both membrane fractions with IC50s of approximately 20 micrograms/ml.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
