BIOCHEMISTRY. For the article “Overexpression, purification, and site-directed spin labeling of the Nramp metal transporter from Mycobacterium leprae,” by Ian Reeve, David Hummell, Nathan Nelson, and John Voss, which appeared in number 13, June 25, 2002, of Proc. Natl. Acad. Sci. USA (99, 8608–8613; First Published June 19, 2002; 10.1073/pnas.142287699), the author name David Hummell should have been spelled David Hummel. The online version has been corrected. The corrected author line appears below.
Ian Reeve, David Hummel, Nathan Nelson, and John Voss