High - resolution x-rays of the antibodies showed that this theory made sense: The antibodies include sites that can bind oxygen molecules, others that can hold water molecules, and an amino acid where UV light can be absorbed. (sciencemag.org)
It reversibly binds oxygen, is soluble in water, and is made from polymer units that are known to be safe in the body.» (discovermagazine.com)
That something, described in this week's issue of Science Translational Medicine, is neuroglobin — a protein typically found in the brain and retina that protects cells from injury by binding oxygen and nitric oxide — repurposed into a CO scavenger. (sciencemag.org)