Nucleic Acids Research, 1991, Vol. 19, No. 4 815-821
© 1991
MOLECULAR BIOLOGY |
Xenopus laevis Oct-1 does not bind to certain histone H2B gene promoter octamer motifs for which a novel octamer-binding factor has high affinity
Department of Biological Sciences, University of Warwick Coventry CV4 7AL, UK
* To whom correspondence should be addressed
Received November 6, 1990. Revised January 28, 1991. Accepted January 28, 1991.
Oct-1 and a second, previously unidentified octamerbinding protein (Oct-R) have been identified in extracts of Xenopus laevis oocytes and embryos. Oct-1 does not bind to the octamer motif associated with certain Xenopus laevis histone H2B gene promoters, whereas Oct-R binds well to this motif, but only in the sequence context of the H2B gene promoter.