Formation of hydrogen bonds precedes the rate-limiting formation of persistent structure in the folding of ACBP
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Formation of hydrogen bonds precedes the rate-limiting formation of persistent structure in the folding of ACBP. / Teilum, K; Kragelund, B B; Knudsen, J; Poulsen, F M.
I: Journal of Molecular Biology, Bind 301, Nr. 5, 2000, s. 1307-14.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Formation of hydrogen bonds precedes the rate-limiting formation of persistent structure in the folding of ACBP
AU - Teilum, K
AU - Kragelund, B B
AU - Knudsen, J
AU - Poulsen, F M
N1 - Keywords: Amides; Animals; Carrier Proteins; Cattle; Conserved Sequence; Diazepam Binding Inhibitor; Hydrogen; Hydrogen Bonding; Hydrogen-Ion Concentration; Isoleucine; Kinetics; Magnetic Resonance Spectroscopy; Models, Molecular; Protein Folding; Protein Structure, Secondary; Protons; Serine
PY - 2000
Y1 - 2000
N2 - A burst phase in the early folding of the four-helix two-state folder protein acyl-coenzyme A binding protein (ACBP) has been detected using quenched-flow in combination with site-specific NMR-detected hydrogen exchange. Several of the burst phase structures coincide with a structure consisting of eight conserved hydrophobic residues at the interface between the two N and C-terminal helices. Previous mutation studies have shown that the formation of this structure is rate limiting for the final folding of ACBP. The burst phase structures observed in ACBP are different from the previously reported collapsed types of burst phase intermediates observed in the folding of other proteins.
AB - A burst phase in the early folding of the four-helix two-state folder protein acyl-coenzyme A binding protein (ACBP) has been detected using quenched-flow in combination with site-specific NMR-detected hydrogen exchange. Several of the burst phase structures coincide with a structure consisting of eight conserved hydrophobic residues at the interface between the two N and C-terminal helices. Previous mutation studies have shown that the formation of this structure is rate limiting for the final folding of ACBP. The burst phase structures observed in ACBP are different from the previously reported collapsed types of burst phase intermediates observed in the folding of other proteins.
U2 - 10.1006/jmbi.2000.4003
DO - 10.1006/jmbi.2000.4003
M3 - Journal article
C2 - 10966822
VL - 301
SP - 1307
EP - 1314
JO - Journal of Molecular Biology
JF - Journal of Molecular Biology
SN - 0022-2836
IS - 5
ER -
ID: 21833041