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Dihydrostreptomycin  (Synonyms: DHSM)

目录号: HY-B1241A
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Dihydrostreptomycin (DHSM) 是一种抗生素，对青霉素菌Pseudomonas lachrymans表现出耐药性。研究表明，这些菌株能通过在存在二钠腺苷三磷酸的条件下使用无细胞系统来失活DHSM。失活的DHSM可以通过碱性磷酸酶再生，但不能通过磷二酸二酯酶再生。失活的DHSM的结构已经通过质子磁共振等方法确定，发现其化学结构中DHSM的C-3位置的羟基被酶催化磷酸化。因此，研究认为ATP：氨基糖苷3"-磷转移酶在Pseudomonas lachrymans N-7641中起到了DHSM耐药性的作用。

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Dihydrostreptomycin Chemical Structure

Dihydrostreptomycin Chemical Structure

CAS No. : 128-46-1

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生物活性

Dihydrostreptomycin (DHSM) is an antibiotic that exhibits resistance to penicillin in strains of Pseudomonas lachrymans. Studies have shown that these strains can inactivate DHSM using a cell-free system in the presence of disodium adenosine triphosphate. The inactivated DHSM can be regenerated by alkaline phosphatase but not by phosphodiesterase. The structure of the inactivated DHSM has been determined by methods such as proton magnetic resonance imaging, and it was found that the hydroxyl group at the C-3 position of DHSM in its chemical structure is phosphorylated by the enzyme. Therefore, the study suggests that ATP:aminoglycoside 3"-phosphotransferase plays a role in DHSM resistance in Pseudomonas lachrymans N-7641[1].

分子量

611.64

Formula

C23H45N7O12
CAS 号
运输条件

Room temperature in continental US; may vary elsewhere.
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Please store the product under the recommended conditions in the Certificate of Analysis.
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Keywords:

Dihydrostreptomycin128-46-1DHSMOthersInhibitorinhibitorinhibit

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