Honda et al. Vol. 140, No. 6, March 1998. Pages 1383–1393.The underlined portion of the text below indicates the corrected sequence which appeared in the Materials and Methods on p. 1384.Multiple tissue Northern blots I and II were purchased from CLONTECH Laboratories and hybridization was performed using a 32P-labeled oligonucleotide probe (5′-GCGACTATGTGTCAGAGAGCCGA-3′) specific to actinin-4, as described previously (Sambrook et al., 1989).