Two periplasmic transport proteins which interact with a common membrane receptor show extensive homology: complete nucleotide sequences.
Proc Natl Acad Sci U S A. 1981 Oct;78(10):6038-42. doi: 10.1073/pnas.78.10.6038.
Proc Natl Acad Sci U S A. 1981.
PMID: 6273842
Free PMC article.