BREK KPI-2 KPI2 O + Lmtk2 A330101P12Rik genetic mapping http://identifiers.org/mgd/MGI:3036247 cprk|KPI2|AATYK2|2900041G10Rik|BREK|A330101P12Rik|KPI-2 AATYK2 protein coding gene MGI:3036247 lemur tyrosine kinase 2 cprk Gene 2900041G10Rik