The domain within your query sequence starts at position 1061 and ends at position 1328; the E-value for the RPT_4 domain shown below is 2.09e-6.

LDSVLSQPQLASNENCVELKDTDGKPSDSKASADSTGHFHSLPKQEFDVVSKMNEWKKEA
KVLEQKISDLIYSKIIHDSNVSFRSAMDQLELALKQISLGNNDQVSLEDNSQDTCSETNL
DSGFSVQAVVEPPEPEVTVLEPEHVEQEGRNNVPCDSEVSVDANGSVQLEAGQHSESGEN
RSQKDTDDTEGKRDDAQGFGITCDSNVPQPLAGHIEVVQDIDHWKDHVDLEDKLGESKNS
KVNFHSDEPLQAVTNATQEPVEEINLPR

This is a significant internal repeat in the query protein sequence, as detected by the Prospero program.