1700062G21Rik neurexin I A230068P09Rik MGI:1096391 Gene neurexin I beta|neurexin I beta|9330127H16Rik|alpha-latrotoxin receptor (calcium-dependent)|neurexin I alpha|1700062G21Rik|A230068P09Rik|neurexin I alpha|neurexin I alpha|neurexin I beta protein coding gene http://identifiers.org/mgd/MGI:1096391 neurexin I beta O 9330127H16Rik alpha-latrotoxin receptor (calcium-dependent) genetic mapping Nrxn1 - neurexin I alpha