Mx1 [Search on AGR]
Mus musculus PHENOTYPE: A2G, SL/NiA, T9 and CAST/Ei strains produce the MX1 protein (Mx1+ allele) conferring resistance to myxoviruses, whereas no protein is made by the Mx1- susceptible alleles of C57BL/6J and many other inbred strains with an exon 9-11 deletion; or CBA/J, CE/J, I/LnJ and PERA/Ei with a nonsense mutation. [provided by MGI curators]