zinc phosphodiesterase ELAC protein 2 tRNA 3 endonuclease 2 tRNase Z 2 tRNase Z (long form) elaC homolog 2 elaC-like protein 2 HPC2 RNase Z 2 ribonuclease Z 2 putative prostate cancer susceptibility protein HPC2/ELAC2 elaC homolog protein 2 ELC2 heredity prostate cancer protein 2 COXPD17