Ontology highlight
ABSTRACT:
SUBMITTER: Preiss L
PROVIDER: S-EPMC2914638 | biostudies-literature | 2010 Aug
REPOSITORIES: biostudies-literature
Preiss Laura L Yildiz Ozkan O Hicks David B DB Krulwich Terry A TA Meier Thomas T
PLoS biology 20100803 8
We solved the crystal structure of a novel type of c-ring isolated from Bacillus pseudofirmus OF4 at 2.5 A, revealing a cylinder with a tridecameric stoichiometry, a central pore, and an overall shape that is distinct from those reported thus far. Within the groove of two neighboring c-subunits, the conserved glutamate of the outer helix shares the proton with a bound water molecule which itself is coordinated by three other amino acids of outer helices. Although none of the inner helices contri ...[more]