UnDetected but present in Xenopus Genome according to HMMER Symbol (HMMER) POLR1B POLR1C POLR1E POLR2B POLR2C POLR2D POLR2E POLR2F POLR2I POLR2J POLR2K POLR2L POLR3B POLR3C POLR3D POLR3F POLR3G POLR3H Not present in Xenopus Genome according to HMMER Symbol (HMMER) POLR3A