The domain within your query sequence starts at position 1183 and ends at position 1716; the E-value for the d1b3ua_ domain shown below is 3e-14.

LRAIRFFVENLNHDAIVVRKMAISAVAGILKQLKRTHKKLTINPYEISGCPKPTKILAGD
RPDNHWLHYDSKNIPRTKKEWESSCFVEKTHWGYYNWPKNMVVYAGVEEQPKLGRSREDM
IEAEQIIYDRFSDPKFVEQLITFLSLEDRKGRDKFSPRRFCLFKGIFRNFDDAFLPVLKP
HLERLVADSHESTQRCVAEIIAGLIRGSKHWTFEKVEKLWELLCPLLRTALSNMTVETYN
DWGTCIATSCESRDPRKLHWLFELLLESPLSGEGGSFVDACRLYVLQGGLAQQEWRVPEL
LHRLLKYLEPKLTQVYKNVRERIGSVLTYIFMIDVSLPNTAPTTSPCIPEFTARVLEKLK
PLTDVDEEIQNHVMEENGIGEEDERTQGIKLLKTILKWLMASAGRSFSTAVKEQLQLLPL
FFKIAPVENDNSYDELKRDAKLCLSLMSQGLLYPQQVPLILQVLSQTARSSSWHARYTVL
TYLQTMVFYNLFIFLNNEDAVKDIRWLIICLLEDEQLEVREMAATTLSGLLQCN

This is a SCOP domain - please see the SCOP entry of d1b3ua_ for further annotation