An unstable haemoglobin with reduced oxygen affinity: haemoglobin Peterborough,  3 (GI3) Valine lead to Phenylalanine, its interaction with normal haemoglobin and with haemoglobin Lepore.
D000596:Amino Acids / Q000097:blood; D001797:Blood Protein Electrophoresis; D002845:Chromatography; D005260:Female; D006454:Hemoglobins; D006455:Hemoglobins, Abnormal / Q000302:isolation & purification*; D006801:Humans; D008297:Male; D013058:Mass Spectrometry; D010100:Oxygen / Q000097:blood*; D010455:Peptides / Q000097:blood; D010649:Phenylalanine / Q000097:blood; D013053:Spectrophotometry; D014633:Valine / Q000097:blood
D000596:Amino Acids; D006454:Hemoglobins; D006455:Hemoglobins, Abnormal; D010455:Peptides; D010649:Phenylalanine; D014633:Valine; D010100:Oxygen