Only the following sequence provider and sequence type combinations are available or valid.

Sequence Provider	Valid Sequence Type
RefSeq	RNA, polypeptide
GenBank/EMBL/DDBJ:Rodent	DNA, RNA
GenBank/EMBL/DDBJ:Patent	DNA, RNA
GenBank/EMBL/DDBJ:HTC	DNA, RNA
GenBank/EMBL/DDBJ:EST	DNA, RNA
GenBank/EMBL/DDBJ:HTG	DNA, RNA
GenBank/EMBL/DDBJ:STS	DNA, RNA
GenBank/EMBL/DDBJ:GSS	DNA, RNA
GenBank/EMBL/DDBJ: Synthetic	DNA, RNA
GenBank/EMBL/DDBJ	DNA, RNA
Vega Gene Model	DNA
Ensembl Gene Model	DNA
NCBI Gene Model	DNA
DFCI Mouse Gene Index	RNA
DoTS	RNA
NIA Mouse Gene Index	RNA
SWISS-PROT	polypeptide
TrEMBL	polypeptide