>gi|109138563 protein tyrosine phosphatase, non-receptor type 20A isoform 4 [Homo sapiens] MIVNDYEGNDSEAEDLNFRETLPSSSQENTPRSKVFENKVNSEKVKLSLR NFPHNDYEDVFEEPSESGSDPSMWTARGPFRRDRWSSEDEEAAGPSQALS PLLSDTRKIVSEGELDQLAQIRPLIFNFHEQTAIKDCLKILEEKTAAYDI MQEFMTGTSHSVKQLQFTKWPDHGTPASADSFIKYIRYARKSHLTGPMVV HCSAGIGRTGVFLCVDVVFCAIVKNCSFNIMDIVAQMREQRSGMVQTKEQ YHFCYDIVLEVLRKLLTLD