The domain within your query sequence starts at position 3 and ends at position 511; the E-value for the ST7 domain shown below is < 1e-12.

GTESSLSMFLNTLTPKFYVALTGTSSLISGLILIFEWWYFRKYGTSFIEQVSVSHLRPLL
GGVDNNSSNNSNSSNGDSDSNRQSVSECKVWRNPLNLFRGAEYNRYTWVTGREPLTYYDM
NLSAQDHQTFFTCDSDHLRPADAIMQKAWRERNPQARISAAHEALEINECATAYILLAEE
EATTIAEAEKLFKQALKAGDGCYRRSQQLQHHGSQYEAQHRRDTNVLVYIKRRLAMCARR
LGRTREAVKMMRDLMKEFPLLSMFNIHENLLEALLELQAYADVQAVLAKYDDISLPKSAT
ICYTAALLKARAVSDKFSPEAASRRGLSTAEMNAVEAIHRAVEFNPHVPKYLLEMKSLIL
PPEHILKRGDSEAIAYAFFHLAHWKRVEGALNLLHCTWEGTFRMIPYPLEKGHLFYPYPI
CTETADRELLPSFHEVSVYPKKELPFFILFTAGLCSFTAMLALLTHQFPELMGVFAKAFL
STLFAPLNFVMEKVESILPSSLWHQLTRI

ST7

 ST7
PFAM accession number:PF04184
Interpro abstract (IPR007311):

The ST7 (for suppression of tumorigenicity 7) protein is thought to be a tumour suppressor gene [ (PUBMED:16474848) ]. The molecular function of this protein is uncertain.

This is a PFAM domain. For full annotation and more information, please see the PFAM entry ST7