Riboflavin is a component of the Na+-pumping NADH-quinone oxidoreductase from Vibrio cholerae

被引:70
作者
Barquera, B [1 ]
Zhou, WD [1 ]
Morgan, JE [1 ]
Gennis, RB [1 ]
机构
[1] Univ Illinois, Dept Biochem, Urbana, IL 61801 USA
关键词
D O I
10.1073/pnas.162361299
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Flavins are cofactors in many electron-transfer enzymes. Typically, two types of flavins perform this role: 5'-phosphoriboflavin (FMN) and flavin-adenine dinucleotide (FAD). Both of these are riboflavin derivatives, but riboflavin itself has never been reported to be an enzyme-bound component. We now report that tightly bound riboflavin is a component of the NADH-driven sodium pump from Vibrio cholerae.
引用
收藏
页码:10322 / 10324
页数:3
相关论文
共 19 条
[11]   The chemical and biological versatility of riboflavin [J].
Massey, V .
BIOCHEMICAL SOCIETY TRANSACTIONS, 2000, 28 :283-296
[12]   Natural engineering principles of electron tunnelling in biological oxidation-reduction [J].
Page, CC ;
Moser, CC ;
Chen, XX ;
Dutton, PL .
NATURE, 1999, 402 (6757) :47-52
[13]   Role of aromatic stacking interactions in the modulation of the two-electron reduction potentials of flavin and substrate/product in Megasphaera elsdenii short-chain acyl-coenzyme A dehydrogenase [J].
Pellett, JD ;
Becker, DF ;
Saenger, AK ;
Fuchs, JA ;
Stankovich, MT .
BIOCHEMISTRY, 2001, 40 (25) :7720-7728
[14]   NADH:Ubiquinone oxidoreductase of Vibrio alginolyticus: Purification, properties, and reconstitution of the Na+ pump [J].
PfenningerLi, XD ;
Albracht, SPJ ;
vanBelzen, R ;
Dimroth, P .
BIOCHEMISTRY, 1996, 35 (20) :6233-6242
[15]   THE NA+-TRANSLOCATING NADH-UBIQUINONE OXIDOREDUCTASE FROM THE MARINE BACTERIUM VIBRIO-ALGINOLYTICUS CONTAINS FAD BUT NOT FMN [J].
PFENNINGERLI, XD ;
DIMROTH, P .
FEBS LETTERS, 1995, 369 (2-3) :173-176
[16]   PREDICTED STRUCTURE AND POSSIBLE IONMOTIVE MECHANISM OF THE SODIUM-LINKED NADH-UBIQUINONE OXIDOREDUCTASE OF VIBRIO-ALGINOLYTICUS [J].
RICH, PR ;
MEUNIER, B ;
WARD, FB .
FEBS LETTERS, 1995, 375 (1-2) :5-10
[17]   NA+-TRANSLOCATING NADH-QUINONE REDUCTASE OF MARINE AND HALOPHILIC BACTERIA [J].
UNEMOTO, T ;
HAYASHI, M .
JOURNAL OF BIOENERGETICS AND BIOMEMBRANES, 1993, 25 (04) :385-391
[18]   CORRELATION BETWEEN THE RESPIRATION-DRIVEN NA+ PUMP AND NA+-DEPENDENT AMINO-ACID-TRANSPORT IN MODERATELY HALOPHILIC BACTERIA [J].
UNEMOTO, T ;
AKAGAWA, A ;
HAYASHI, M .
JOURNAL OF GENERAL MICROBIOLOGY, 1993, 139 :2779-2782
[19]   Sequencing and preliminary characterization of the Na+-translocating NADH:ubiquinone oxidoreductase from Vibrio harveyi [J].
Zhou, WD ;
Bertsova, YV ;
Feng, BT ;
Tsatsos, P ;
Verkhovskaya, ML ;
Gennis, RB ;
Bogachev, AV ;
Barquera, B .
BIOCHEMISTRY, 1999, 38 (49) :16246-16252