PRR13 GI:8922157 proline rich 13 isoform 1 1 mwnpnagqpg pnpyppnigc pggsnpahpp pinppfppgp cppppgaphg 50 51 npafppggpp hpvpqpgypg cqplgpyppp ypppapgipp vnplapgmvg 100 101 pavivdkkmq kkmkkahkkm hkhqkhhkyh khgkhsssss sssssdsd