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Volumn 38, Issue 31, 1997, Pages 5525-5528

Comparative study of toxic and non-toxic cyanobacterial products: Novel peptides from toxic Nodularia spumigena AV1

Author keywords

[No Author keywords available]

Indexed keywords

CYCLOPEPTIDE; NODULAPEPTIN A; NODULAPEPTIN B; NODULARIN; SPUMIGIN A; SPUMIGIN B; SPUMIGIN C; UNCLASSIFIED DRUG;

EID: 0030762624     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(97)01192-1     Document Type: Article
Times cited : (91)

References (19)
  • 10
    • 0342665070 scopus 로고    scopus 로고
    • note
    • A fraction (95 mg) containing nodulapeptins, spumigins and nodularin was obtained from the 5% AcOH aq. extract of dried N. spumigena AV1 (4.7 g) and was separated to give nodularin (11 mg), 1 (2.0 mg), 2 (6.0 mg), 3 (1.5 mg), 4 (3.0 mg), 5 (2.1 mg) and 6 (2.0 mg) by the following chromatography: silica gel using AcOEt:i-PrOH:H20 =4:3:7 (upper layer), CHCl3:MeOH:H2O =65:25:5 (lower phase), CHCl3: MeOH:5% AcOH aq. =65:20:5 (lower phase) and CHCl3:MeOH:5% AcOH aq. =65:35:10 (lower phase) and TOYOPEARL HW-40F using MeOH.
  • 12
    • 0342665066 scopus 로고    scopus 로고
    • note
    • Product ion spectra were taken using a JMS-HX110/110A (JEOL) instrument: ion source, FAB; matrix, glycerin-NBA.
  • 14
    • 0342665068 scopus 로고    scopus 로고
    • note
    • Elucidation of the absolute configuration of the sulfoxide of 2 is now in progress.
  • 18
    • 0342665067 scopus 로고    scopus 로고
    • note
    • Spumigin A (3) inhibited thrombin, plasmin and trypsin with an IC50 of 4.6, 4.9 and 16.1 μg/mL, respectively, and B1 (4) inhibited trypsin with an IC50 of 20.7 μg/mL.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.