The domain within your query sequence starts at position 23 and ends at position 1303; the E-value for the DUF4603 domain shown below is < 1e-12.

GPVSVSDMSLLHALGPVQTWLGQELEKCGIDAMIYSRYILSLLLHDSYDYDLQEQENDIL
SWEKGAYKKWGRSKKKCSDLTLEEMKKQAAVQCLRSASDESSGIETLVEELCCRLKDLQS
EQEEKIHKKLEGSPSPEEELSPTAKDQVEMYYEAFPPLSEKPVCLQEIMTVWNKSKPCSY
SSSSSSSTVPPASTDTSSPKDCNSESEAVRERSSVASVPMHEKAQSRSRHEKESKLSSST
IEEKPAFYKRQIRHKPEGKTRPRSWSSGSSEAGSSSSGNQGELKASMKYVKVRHKAREIR
NRKGRNGQNRHSLKHCGKAERGVHAGSGGSSSSSSNGSIRQLCKRGKRPAKETGRSDSGN
TAVKDLYVDSRNNKEYKEEPLWYTEPIAEYFVPLSRKSKLETTYRNREDTSTLTAEAVED
LSDSVRGLCISNSNIHRTYLAAGTFIDGHFVEMPAVINEDIDLAGTSLCSLPEDNKYLDD
IHLSELTHFYEVDIDQSMLDPGASETMQGESRILNMIRQKSKENTDFEAECCIVLDGMEL
QGERAIWTDSTSSVGAEGFFLQDLGNLAQFWECCSSSSGDADGESFGGDSPVRLSPILDS
TMLSSHILAGNQEPFSNINEGSGINSCFSVFEVQCSNSVLPFSFETLNLGSEHADSSANM
LGKTQSRLLIWTKNSAFEENEHCSNLSTRTCSPWSHSEEARSDNETLNIQFEESTQFTAE
DINYVVPRVSSDFVDEELLDFLQDETCQQNSRTLGEIPTLVFKKRSKLESVCGIQLEQKA
ESKNFETTHACSESSPHGDGYSSGVIKDIWTKMVGRSSVAAVETERTGEELFSTDVNNYC
CCLDTEAKMEALQEPSRAVQRSEYHLWEGQKENMEKRAFVSSELSKVDGGDYTTPSKPWD
VAQDKENTFILGGVYGELKTFNSDGEWAVVPPGHTKGSLLQCAASDVVTIAGTDVFMTPG
NSFAPGHRQLWKPFVSFEQSDMPKSGENGVNKGFSFIFHEDLLGACSNFQVEDPGLEYSL
SSFDLSNPFSQVLHVECSFEPEGIASFSPSFKPKSILCSDSDSEVFHPRICGVERTQYRA
IRISPRTHFRPISASELSPGGGSESEFESEKDEASVPIPSQVDVFEDPQADLKPLEEDAE
KEGHYYGKLELESGKFLPRLKKSGMEKSAQTSLDSQEEATGILPKQNQCLECNFNESLEI
NLESSAANCKIMTQCEEEMSEFCSCKAGCQFPACEDNPVSSGQLEEFPVLNTDVQEVTRN
QEKQSWWEKALYSPLFPTSEC

DUF4603

 DUF4603
PFAM accession number:PF15376
Interpro abstract (IPR027871):

This protein family is found in eukaryotes and has unknown function.

This is a PFAM domain. For full annotation and more information, please see the PFAM entry DUF4603