Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ABC21NM_0004439606MDR3    PGY3    MDR2/3    PFIC-3    ABCB4   
ABC21NM_0188499606MDR3    PGY3    MDR2/3    PFIC-3    ABCB4   
ABC21NM_0188509606MDR3    PGY3    MDR2/3    PFIC-3    ABCB4   

Search Again
* OMIM link based on symbol match for human and mouse.

Google

Text2Knowledge ... Yong Huang 2002