Peptide sequence: VRQQEAHAKL DNLTLMEINT SGTFLTQALN HMYKLRTNLQ PLESTQSQDF Sequence homology: Cow: 79%; Dog: 93%; Horse: 86%; Human: 100%; Mouse: 93%; Rat: 86%. The yeast heterotetrameric GINS complex is made up of Sld5, Psf1, Psf2, and Psf3. The formation