A "housekeeping" gene on the X chromosome encodes a protein similar to ubiquitin.
Proc Natl Acad Sci U S A. 1988 Feb;85(3):851-5. doi: 10.1073/pnas.85.3.851.
Proc Natl Acad Sci U S A. 1988.
PMID: 2829204
Free PMC article.