the location of this major site of labeling is consistent with recent results obtained with an analogous trna photoaffinity label [ barta , a. , steiner , g. , brosius , j. , noller , h. f. , & kuechler , e. ( 1984 ) proc . natl . acad . sci . u.s.a. 81 , 3607-3611 ] and with related genetic and biochemical studies of antibiotic interaction with ribosomes suggesting that the peptidyltransferase center falls within region v ( bases 2043-2625 ) of 23s rrna .
C0035553
ribosomes
C0035701
rrna