Peptide sequence: PRSGIENSTV TLSHPNGTTS VTSILHIKDP KNQVGKEVIC QVLHLGTVTD Sequence homology: Cow: 79%; Dog: 79%; Guinea Pig: 79%; Human: 100%; Mouse: 79%; Pig: 86%; Rabbit: 79%; Rat: 79%. CD200 is a type-1 membrane glycoprotein in the immunoglobulin super