meprin A alpha-subunit meprin A alpha-subunit|Mep-1|meprin alpha|Mep-1a|Mep1 Mep1a Mep1 Mep-1 Gene O Mep-1a meprin 1 alpha MGI:96963 - http://identifiers.org/mgd/MGI:96963 meprin alpha genetic mapping protein coding gene