Testis Specific Protein, Y-Linked 4 (TSPY4)

TSPY4 Belongs to the nucleosome assembly protein (NAP) family.Maps to a tandemly repeated region on chromosome Yp11; additionally at least one copy is reported originating from Yq. The gene is thought to be present with an inter-individual variation in copy number and between 20 and 60 copies per Y chromosome are expected. 35 tandemly repeated gene copies on Yp11 originating from one individual have been reporVariants Val-Glu-Val-Val-Ala-Glu-79 Ins and Arg-195 are shown to be present in a number of TSPY1 copies of the Yp11 loci. Variant Arg-195 is shown to be present at least in one TSPY1 copy of the Yq locus.Maps to a tandemly repeated region on chromosome Yp11; additionally at least one copy is reported originating from Yq. The gene is thought to be present with an inter-individual variation in copy number and between 20 and 60 copies per Y chromosome are expected.