The domain within your query sequence starts at position 520 and ends at position 584; the E-value for the SRRM_C domain shown below is 1.9e-28.

SPKKPLGRDKDSEGRARHAEAEAARTRRRSRSYSPIRKRRRDSPSFMEPRRITSARKRPI
PYYRP

SRRM_C

SRRM_C
PFAM accession number:PF15230
Interpro abstract (IPR029360):

This domain is found near to the C terminus of Serine/arginine repetitive matrix proteins 3 and 4.

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