Peptide sequence: ELVSITANKN TCPGDRSAIT PGGLRLGAPA LTSRQFREDD FRRVVDFIDE Sequence homology: Cow: 86%; Dog: 100%; Guinea Pig: 100%; Horse: 100%; Human: 100%; Mouse: 100%; Rabbit: 100%; Rat: 100%. Mammalian serine hydroxymethyltransferase (SHMT) is a tetra