4631433G07Rik O - MGI:1927578 fro Smpd3 Gene nSMase2|neutral sphingomyelinase II|fro|4631433G07Rik nSMase2 protein coding gene neutral sphingomyelinase II genetic mapping sphingomyelin phosphodiesterase 3, neutral http://identifiers.org/mgd/MGI:1927578