On the presence of a dense internal region in the 50 S subparticle of E. coli ribosomes.
Serdyuk
I N.
IN
Institute of Protein Research, Academy of Sciences of the USSR, Pushtchino, Moscow Region, USSR
Smirnov
N I.
NI
Ptitsyn
O B.
OB
Fedorov
B A.
BA