alpha-dystrobrevin Gene a-DB-1 dystrobrevin alpha 2210407P21Rik Dtna MGI:106039 Dtn O http://identifiers.org/mgd/MGI:106039 genetic mapping A0 87K protein adbn protein coding gene 87K protein|a-DB-1|A0|alpha-dystrobrevin|Dtn|2210407P21Rik|adbn +