O Smubp2 Gene MGI:99954 Smbp2 AEP p110 subunit|Catf1|Smubp2|AEP|Smbp-2|RIPE3b1|Smbp2|sma genetic mapping Ighmbp2 RIPE3b1 - protein coding gene Smbp-2 p110 subunit immunoglobulin mu binding protein 2 http://identifiers.org/mgd/MGI:99954 Catf1 sma