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Volumn 120, Issue 36, 1998, Pages 9149-9158

Definition of the effect and role of the bleomycin A2 valerate substituents: Preorganization of a rigid, compact conformation implicated in sequence-selective DNA cleavage

Author keywords

[No Author keywords available]

Indexed keywords

BLEOMYCIN A2 VALERATE; BLEOMYCIN DERIVATIVE; DEGLYCOBLEOMYCIN A2; DOUBLE STRANDED DNA; METHYL GROUP; SINGLE STRANDED DNA; UNCLASSIFIED DRUG;

EID: 0032538003     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja9816640     Document Type: Article
Times cited : (48)

References (41)
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    • note
    • EDCI = 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; BOP reagent = benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate.; DCC = 1,3-dicyclohexylcarbodiimide.
  • 34
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    • note
    • (a) A theoretical ratio of approximately 1:100 is required for the linear DNA to be the result of the random accumulation of single strand breaks within the 5386 base-pair size of ΦX174 DNA. assuming that sequential cleavage on the complementary strands within 15 base-pairs is required to permit formation of linear DNA. (b) The larger increases in the magnitude of differences observed with the hairpin assay and, to a lesser extent, with the w794 DNA versus φX174 DNA can be attributed in part to a corresponding amount of unlabeled carrier DNA which competes for the consumption of the agent and its oxidizing capability. Additionally, the hairpin assay is run under single turnover conditions which may affect the magnitude of the differences. For the discussion of the impact of a substituent, the φX174 DNA cleavage results which entail no added carrier DNA are used for the comparisons.
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    • note
    • 3 values of 1.3 and 3.7 kcal/mol. respectively.
  • 41
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    • note
    • Full characterization of intermediates 9b-e, 10a-e, 11a-e, 12a-e, 14a-e, 15a-e, 17a-e, and 19a-e is provided in Supporting Information.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.