within this fraction of proteins , we identify nine binding proteins ( leucine-specific , glutamate-aspartate , glutamine , cystine , galactose , maltose , xylose , ribose , and arabinose ) in addition to leucine-isoleucine-valine binding protein , which has been previously identified ( bloch , p. l. , phillips , t. a. , and neidhardt , f. c. ( 1980 ) j. bacteriol . 141 , 1409-1420 ) .
C0023401
leucine
C1317494
leucine-isoleucine-valine