Your Query returns 8 Accession Numbers:

Query Term	Accession	NCBI Taxonid	Synonyms	Phenotype (OMIM) *
CysLT2	NM_133720	10090	Cltr2 CYSLT2R 2300001H05Rik Cysltr2	605666
CYSLT2	NM_020377	9606	GPCR HG57 HPN321 CYSLT2R hGPCR21 PSEC0146 CYSLTR2	605666
cyslt2	AB052662	9823
Cyslt2	NW_047454	10116
CYSLT2	AF279611	9606		605666
cyslt2	AB052661	10116
Cyslt2	AF331658	10090		605666
Cyslt2	NM_133413	10116

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

Text2Knowledge ... Yong Huang 2002