Your Query returns 8 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MHP1NM_00757810090la    tg    EA2    FHM    MHP    rkr    APCA    HPCA    SCA6    Ccha1a    leaner    rocker    alpha1A    Cacnl1a4    tottering    Cacna1a   
MHP1AC0053059606CACNL1A4    EA2    SCA6    calcium channel, voltage-dependent, P/Q type, alpha 1A subunit    APCA    Acetazolamide responsive hereditary paroxysmal cerebellar ataxia    HPCA    familial periodic cerebellar ataxia/ hereditary paroxysmal cerebellar ataxia/ episodic    spinocerebellar ataxia 6    MHP    FHM    migraine, hemiplegic 1    CACNA1A   
MHP1NM_0000689606EA2    FHM    MHP    APCA    HPCA    SCA6    CACNL1A4    CACNA1A   
MHP1NM_0230359606EA2    FHM    MHP    APCA    HPCA    SCA6    CACNL1A4    CACNA1A   
mhp1U272942099
MHP1X846524932
MHP1Z493174932
MHP1NC_0011424932

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

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Text2Knowledge ... Yong Huang 2002