Your Query returns 9 Accession Numbers:

Query Term	Accession	NCBI Taxonid	Synonyms	Phenotype (OMIM) *
pez	AL627282	90370	phs sez STY4383 rpoA
PEZ	BC017300	9606	PTP36 PTPN14	603155
PEZ	NM_005401	9606	PTP36 PTPN14	603155
pez	NC_003198	90370	phs sez rpoA
Pez	AF217284	7227
pez	X82676	9606		603155
Pez	AE003613	7227
Pez	NM_135169	7227	PTPD1 CG9493
Pez	NT_033779	7227	PTPD1 CG9493

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

Text2Knowledge ... Yong Huang 2002