Peptide sequence: QIQTSRNLDP QPPIEDSPEV NITDVRMTSP PDYRVGDKIA TRKACGLALA Sequence homology: Dog: 83%; Guinea Pig: 79%; Horse: 77%; Human: 100%; Mouse: 85%; Rabbit: 77%; Rat: 77%. Strong TKTL1 protein expression has been correlated with a certain type of