dc34h03.y1 NICHD_XGC_Emb3 Xenopus laevis cDNA clone IMAGE:3399029 5' similar to gb:J05096_rna1 SODIUM/POTASSIUM-TRANSPORTING ATPASE ALPHA-1 CHAIN (HUMAN); gb:gb|U49238.1|XLU49238 Xenopus laevis adenosine triphosphatase, (XENOPUS), mRNA sequence