| Human neuroglobin
Neuroglobin is mainly expressed in vertebrate brain and retina. It binds oxygen and has a fold very similar to myoglobin.
Pesce, A., Dewilde, S., Nardini, M., Moens, L., Ascenzi, P., Hankeln, T., Burmester, T., Bolognesi, M.: Human Brain Neuroglobin Structure Reveals a Distinct Mode of Controlling Oxygen Affinity Structure 11 pp. 1087 (2003) (PubMed) 1oj6 (PDB) |
Cytoglobin
Cytoglobin is found in mnay tissues, but has not been ascribed a specific function. Human cytoglobin is has 190 aa residues. A core region (about 150 residues) is structurally related to hemoglobin and myoglobin, with about 20 extra residues at both termini.
1umo (PDB) |