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Volumn 132, Issue 42, 2010, Pages 14697-14699

Stereospecificity of the dehydratase domain of the erythromycin polyketide synthase

Author keywords

[No Author keywords available]

Indexed keywords

6-DEOXYERYTHRONOLIDE B SYNTHASE; HYDRATION REACTION; IN-SITU; METHYL ESTERS; POLYKETIDE SYNTHASES; RIFAMYCINS; STEREOSPECIFICITY; SYNTHASES; THIOESTERS;

EID: 77958502924     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja107344h     Document Type: Article
Times cited : (62)

References (30)
  • 5
    • 77958474098 scopus 로고    scopus 로고
    • Each PKS module typically has three core catalytic domains: the β-ketoacyl-ACP synthase (KS), the acyltransferase (AT), and the acyl carrier protein (ACP). Most modules also carry specific combinations of ketoreductase (KR), dehydratase (DH), and enoylreductase (ER) tailoring domains.
    • Each PKS module typically has three core catalytic domains: the β-ketoacyl-ACP synthase (KS), the acyltransferase (AT), and the acyl carrier protein (ACP). Most modules also carry specific combinations of ketoreductase (KR), dehydratase (DH), and enoylreductase (ER) tailoring domains.
  • 12
    • 77958498759 scopus 로고    scopus 로고
    • Although it is not essential to the application of the PPant ejection methodology, 2a-ACP and 3-ACP were cleanly resolved under the LC conditions used.
    • Although it is not essential to the application of the PPant ejection methodology, 2a-ACP and 3-ACP were cleanly resolved under the LC conditions used.
  • 16
    • 58149494123 scopus 로고    scopus 로고
    • The equilibrium for the FAS catalyzed dehydration to a disubstituted enoyl-ACP strongly also favors the hydrated form by ∼3:1. Cf.
    • The equilibrium for the FAS catalyzed dehydration to a disubstituted enoyl-ACP strongly also favors the hydrated form by ∼3:1. Cf. Brown, A., Affleck, V., Kroon, J., and Slabas, A. FEBS Lett. 2009, 583, 363-368
    • (2009) FEBS Lett. , vol.583 , pp. 363-368
    • Brown, A.1    Affleck, V.2    Kroon, J.3    Slabas, A.4
  • 20
    • 77958449631 scopus 로고    scopus 로고
    • The E -isomer 3 was cleanly resolved from the Z -isomer 5, and the two compounds were not interconverted under the conditions of the reaction.
    • The E -isomer 3 was cleanly resolved from the Z -isomer 5, and the two compounds were not interconverted under the conditions of the reaction.
  • 21
    • 77958485402 scopus 로고    scopus 로고
    • unpublished observations.
    • You, Y.-O. and Cane, D. E., unpublished observations.
    • You, Y.-O.1    Cane, D.E.2
  • 22
    • 77958508646 scopus 로고    scopus 로고
    • Although DH4 processed both 2a-ACP and 6-ACP, DEBS DH4 does not dehydrate the corresponding SNAC thioester analog, anti -(2 R,3 R)- 2a-SNAC (ref 9). This observation is consistent with the presence of a presumptive ACP-binding region on the DH surface adjacent to the entrance to the substrate binding tunnel, a feature also found in bacterial FabZ proteins (ref 17).
    • Although DH4 processed both 2a-ACP and 6-ACP, DEBS DH4 does not dehydrate the corresponding SNAC thioester analog, anti -(2 R,3 R)- 2a-SNAC (ref 9). This observation is consistent with the presence of a presumptive ACP-binding region on the DH surface adjacent to the entrance to the substrate binding tunnel, a feature also found in bacterial FabZ proteins (ref 17).
  • 25
    • 77958467558 scopus 로고    scopus 로고
    • In the corresponding Type II FAS FabZ domains, a conserved Glu serves the same role as this Asp residue (ref 17).
    • In the corresponding Type II FAS FabZ domains, a conserved Glu serves the same role as this Asp residue (ref 17).
  • 30
    • 77958461812 scopus 로고    scopus 로고
    • J. Am. Chem. Soc. 2010, in press (DOI: 10.1021/ja1073432).
    • Guo, X., Liu, T., Valenzano, C., Deng, Z., and Cane, D. E. J. Am. Chem. Soc. 2010, in press (DOI: 10.1021/ja1073432).
    • Guo, X.1    Liu, T.2    Valenzano, C.3    Deng, Z.4    Cane, D.E.5


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.