GenomeNet

>hsa:5197 K05407 platelet factor 4 | (RefSeq) PF4V1, CXCL4L1, CXCL4V1, PF4-ALT, PF4A, SCYB4V1; platelet factor 4 variant 1 (A)
MSSAARSRLTRATRQEMLFLALLLLPVVVAFARAEAEEDGDLQCLCVKTTSQVRPRHITS
LEVIKAGPHCPTAQLIATLKNGRKICLDLQALLYKKIIKEHLES

BLAST