ETFB: Electron Transferring Flavoprotein, Beta Polypeptide

What does ETFB mean? The above is one of ETFB meanings. It may have other definitions. Please refer to the end of this passage.

ETFB: Electron Transferring Flavoprotein, Beta Polypeptide

Definition in English: Electron Transferring Flavoprotein, Beta Polypeptide