Isolation of Mhc class I cDNAs from the axolotl Ambystoma mexicanum
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Class I major histocompatibility complex (Mhc) cDNA clones were isolated from axolotl mRNA by polymerase chain reaction (PCR) and by screening a cDNA phage library. The nucleotide and predicted amino acid sequences show definite similarities to the Mhc class Iα molecules of higher vertebrates. Most of the amino acids in the peptide binding region that dock peptides at their N and C termini in mammals are conserved. Several amino acids considered to be important for the interaction of β2-microglobulin with the Mhc α chain are also conserved in the axolotl sequence. The fact that axolotl class I A cDNAs are ubiquitously expressed and highly polymorphic in the α1 and α2 domains suggests the classical nature of axolotl class I A genes.
- Isolation of Mhc class I cDNAs from the axolotl Ambystoma mexicanum
Volume 45, Issue 5 , pp 285-294
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