Expanded Gene Lookup

Gene Mapper

Use the same underlying gene-name database with a broader traversal path, then pivot through accessions, taxonomy IDs, synonyms, and phenotype links.

2.4M+ gene-name records

broader matching path than Synonym Finder

Search Results

Mapped records for TWT2

3 accession matches

This view is useful when you want to fan out from a query term and keep following related names through the archive.

Query Term	Accession	NCBI Taxon ID	Synonyms	Phenotype (OMIM)
TWT2	NC_001142	4932	ECA40 BAT2
TWT2	X86568	4932
TWT2	Z49648	4932

Run A Search

Search the mapper index

Shortcuts

Recent queries

TWT2 beta1Tub DIRH b0169 PPH13 CELK07589 Nupc1

Start broad here when you are not sure which synonym is canonical.
Follow linked taxon IDs to move into the taxonomy browser.
For a tighter symbol-focused search, use Synonym Finder.