TY - JOUR
T1 - Co-operativity between modules within a C3b-binding site of complement receptor type 1
AU - Kirkitadze, MD
AU - Dryden, DTF
AU - Kelly, SM
AU - Price, NC
AU - Wang, X
AU - Krych, M
AU - Atkinson, JP
AU - Barlow, PN
PY - 1999/10/1
Y1 - 1999/10/1
N2 - Complement receptor type 1 (CR1) has 30 modules in its extracellular portion. An understanding of structure-function relationships,Within CR1 is being assembled gradually from studies of overlapping protein fragments. A CRI fragment corresponding to modules 16 and 17 was expressed recombinantly as a non-glycosylated protein and its stability and unfolding characteristics studied using biophysical techniques. The results were compared with data collected previously on a CR1 fragment encompassing modules 15, 16 and 17 which together constitute a C3b-binding site (Kirkitadze, M.D., Krych, M., Uhrin, D., Dryden, D.T.F., Smith, B.O., Wang, X., Hauhart, R., Atkinson, J.P. and Barlow, P.N. (1999) Biochemistry 38, 7019-7031). Modules within CR1 were found to cooperate during unfolding. The folding, stability and flexibility of this protein is therefore likely to be a complex function, and not just the sum, of contributions from individual modules. (C) 1999 Federation of European Biochemical Societies.
AB - Complement receptor type 1 (CR1) has 30 modules in its extracellular portion. An understanding of structure-function relationships,Within CR1 is being assembled gradually from studies of overlapping protein fragments. A CRI fragment corresponding to modules 16 and 17 was expressed recombinantly as a non-glycosylated protein and its stability and unfolding characteristics studied using biophysical techniques. The results were compared with data collected previously on a CR1 fragment encompassing modules 15, 16 and 17 which together constitute a C3b-binding site (Kirkitadze, M.D., Krych, M., Uhrin, D., Dryden, D.T.F., Smith, B.O., Wang, X., Hauhart, R., Atkinson, J.P. and Barlow, P.N. (1999) Biochemistry 38, 7019-7031). Modules within CR1 were found to cooperate during unfolding. The folding, stability and flexibility of this protein is therefore likely to be a complex function, and not just the sum, of contributions from individual modules. (C) 1999 Federation of European Biochemical Societies.
M3 - Article
VL - 459
SP - 133
EP - 138
JO - FEBS Letters
JF - FEBS Letters
SN - 0014-5793
IS - 1
ER -