PRRX1 GI:5902024 paired mesoderm homeobox 1 isoform pmx-1a 1 mtssyghvle rqpalggrld spgnldtlqa kknfsvshll dleeagdmva 50 51 aqadenvgea grsllespgl tsgsdtpqqd ndqlnseekk krkqrrnrtt 100 101 fnssqlqale rvferthypd afvredlarr vnltearvqv wfqnrrakfr 150 151 rneramlank nasllksysg dvtaveqpiv prpaprptdy lswgtaspyr 200 201 ssslprcclh eglhngf