Sannamycin E
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| Category | Antibiotics |
| Catalog number | BBF-02869 |
| CAS | 73051-92-0 |
| Molecular Weight | 304.39 |
| Molecular Formula | C13H28N4O4 |
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Description
It is an aminoglycoside antibiotic produced by the strain of Str. sannanensis sp. nov. It has weak antibacterial activity against Gram-positive bacteria.
Specification
| Synonyms | Istamycin AP; 3-Amino-2,3,6-trideoxy-4-O-(2,6-diamino-2,3,4,6-tetradeoxy-α-D-erythro-hexopyranosyl)-6-methylamino-D-myo-inositol; Antibiotic KA-7038II; KA-7038-II |
| IUPAC Name | (1R,2S,3R,4R,5S)-5-amino-4-[(2R,3R,6S)-3-amino-6-(aminomethyl)oxan-2-yl]oxy-2-(methylamino)cyclohexane-1,3-diol |
| Canonical SMILES | CNC1C(CC(C(C1O)OC2C(CCC(O2)CN)N)N)O |
| InChI | InChI=1S/C13H28N4O4/c1-17-10-9(18)4-8(16)12(11(10)19)21-13-7(15)3-2-6(5-14)20-13/h6-13,17-19H,2-5,14-16H2,1H3/t6-,7+,8-,9+,10-,11+,12+,13+/m0/s1 |
| InChI Key | CPVYVUXPFHPEFB-LJKYVLQWSA-N |
Properties
| Appearance | Powder |
| Antibiotic Activity Spectrum | Gram-positive bacteria |
| Boiling Point | 511.9°C at 760 mmHg |
| Melting Point | 85-102°C |
| Density | 1.28 g/cm3 |
| Solubility | Soluble in Methanol, Water, Ethanol |
Reference Reading
1. Synthesis of saframycins. X. Transformation of (-)-saframycin A to (-)-saframycin Mx type compound with the structure proposed for saframycin E
N Saito, S Harada, M Nishida, I Inouye, A Kubo Chem Pharm Bull (Tokyo). 1995 May;43(5):777-82. doi: 10.1248/cpb.43.777.
Treatment of (-)-saframycin A (1a) with selenium oxide in acetic acid afforded (-)-saframycin G (1g), and a catalytic reduction and regioselective oxidation sequence afforded the saframycin Mx type compound (3). We applied this methodology to the transformation of (+/-)-5-hydroxysaframycin B (11) to the hydroquinone (1e). Acetylation of 1e with acetic anhydride in pyridine gave the triacetate (13), which is identical with the triacetyl derivative of natural saframycin E.
2. Biosynthesis of 3-hydroxy-5-methyl-o-methyltyrosine in the saframycin/ safracin biosynthetic pathway
Cheng-Yu Fu, Man-Cheng Tang, Chao Peng, Lei Li, Yan-Ling He, Wen Liu, Gong-Li Tang J Microbiol Biotechnol. 2009 May;19(5):439-46. doi: 10.4014/jmb.0808.484.
The biosynthesis study of antibiotics saframycin (SFM) in Streptomyces lavendulae and safracin (SAC) in Pseudomonas fluorescens demonstrated that 3-hydroxy-5-methyl-Omethyltyrosine (3h5mOmTyr), a nonproteinogenic amino acid, is the precursor of the tetrahydroisoquinoline molecular core. In the biosynthetic gene cluster of SAC/SFM, sacD/ sfmD encodes a protein with high homology to each other but no sequence similarity to other known enzymes; sacF/ sfmM2 and sacG/sfmM3 encode methyltransferases for Cmethylation and O-methylation; and sacE/sfmF encodes a small protein with significant sequence similarity to the MbtH-like proteins, which are frequently found in the biosynthetic pathways of nonribosomal peptide antibiotics and siderophores. To address their function, the biosynthetic cassette of 3h5mOmTyr was heterologously expressed in S. coelicolor and P. putida, and an in-frame deletion and complementation in trans were carried out. The results revealed that (i) SfmD catalyzes the hydroxylation of aromatic rings;(ii) sacD/sacF/sacG in the SAC gene cluster and sfmD/sfmM2/sfmM3 in the SFM cluster are sufficient for the biosynthesis of 3h5mOmTyr; and (iii) the mbtH-like gene is not required for the biosynthesis of the 3h5mOmTyr precursor.
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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 ╳
