The effects of atropisomerism and porphyrin deformation on 57Fe shieldings in superstructured hemoprotein models.
57Fe NMR chemical shifts of superstructured heme model compounds have been found to be extremely sensitive to atropisomerism and deformation (ruffling) of the porphyrin geometry.
Gerothanassis
I P
IP
Section of Organic Chemistry and Biochemistry, University of Ioannina, Ioannina, GR-451 10, Greece. igeroth@cc.uoi.gr
Kalodimos
C G
CG
Hawkes
G E
GE
Haycock
P
P
D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D005290:Ferric Compounds / Q000737:chemistry; D006418:Heme / Q000737:chemistry*; D006427:Hemin / Q000737:chemistry*; D007501:Iron / Q000737:chemistry*; D007503:Iron Isotopes; D007536:Isomerism; D008956:Models, Chemical; D019906:Nuclear Magnetic Resonance, Biomolecular; D010103:Oxygen Isotopes; D011166:Porphyrins / Q000737:chemistry*
D002247:Carbon Isotopes; D005290:Ferric Compounds; D007503:Iron Isotopes; D010103:Oxygen Isotopes; D011166:Porphyrins; D006418:Heme; D006427:Hemin; D007501:Iron