GUWS Medical

Nh

Pseudouridine

114.21 Modified bases are found in tRNAs. All the modified bases are produced by the chemical alteration of the four standard RNA bases.

|| This computer-generated, space-filling molecular model shows the three-dimensional structure of a tRNA.

| This ribbon model emphasizes the internal regions of base pairing.

|This flattened cloverleaf model shows pairing between complementary nucleotides.

|| This computer-generated, space-filling molecular model shows the three-dimensional structure of a tRNA.

| This ribbon model emphasizes the internal regions of base pairing.

|This flattened cloverleaf model shows pairing between complementary nucleotides.

Extra arm (size varies)