PRR18 GI:58331144 proline rich region 18 1 mpfppmpppp apapgaqaar qlprrpcaag dkkkrppqrp egllssswps 50 51 atlkrpparr gpgldrtqpp appgvspqal psrarapatc apprpagsgh 100 101 sparttyaat sagtgttaag tssgagpcpd saarfclnlt peavlviqkr 150 151 hlekqllarp rrpfpspsae prrllapclp araagprrgg pasdpdappt 200 201 agqgrrappp gaqllhgglq vpqlsprpga lrpmlkvsll nerhryddve 250 251 yeeepeavde glvrkctewl rgvesaaaar gragaldsrr hlstl