Nuclear binding sites ("acceptors") for progesterone in avian oviduct: characterization of the highest-affinity sites.

Animals Binding Sites Binding, Competitive Carrier Proteins/metabolism Cell Nucleus/metabolism Chickens Chromatin/metabolism DNA-Directed RNA Polymerases/metabolism Female In Vitro Techniques Nucleoproteins/metabolism Oviducts/metabolism Progesterone/metabolism,pharmacology Receptors, Progesterone/drug effects,metabolism Tissue Distribution

Carrier Proteins Chromatin Nucleoproteins Receptors, Progesterone Progesterone DNA-Directed RNA Polymerases