Sequence, organization and transcriptional analysis of a gene encoding a Ul snRNA from the axolotl, Ambystoma mexicanurn (Microinjection merase
into Xenopus fuevis oocytes;
II ; tandemly
repeated
gene families;
octamer
motif; proximal
transcription
sequence
element;
recombinant
DNA;
RNA poly-
signals)
Sylvie Murgo, Alain Krol and Philippe Carbon Laboratoire de Biochimie. Institut de Biologie Mokxlaire
et Cellulaire du CNRS, Strasbourg (France)
The abbreviation Sn should be changed to Sm (defines a set ofproteins common to snRNPs; from the patient’s name, Smith) in the following places: on page 163: Abbreviations line 5 up, and in the right column, lines 5 and 8 up. on page 164: right column, line 17 up.