Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Mmp7NM_01081010090MAT    178990
Mmp7NW_04779810116
Mmp7NM_01286410116MPMM   
MMP7BC0036359606MPSL1    PUMP-1    MMP-7    178990
MMP7NM_0024239606MMP-7    MPSL1    PUMP-1    178990
MMP7AY0835729544
Mmp7NT_03947110090178990
Mmp7BC06465710116MPMM   
MMP7NT_0338999606178990

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

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Text2Knowledge ... Yong Huang 2002