Renaturation of SPARC expressed in Escherichia coli requires isomerization of disulfide bonds for recovery of biological activity

Alliel, 1993, Testican, a multidomain testicular proteoglycan resembling modulators of cell social behaviour, Eur. J. Biochem., 21, 347, 10.1111/j.1432-1033.1993.tb17930.x Anfinsen, 1973, Principles that govern the folding of protein chains, Science, 181, 223, 10.1126/science.181.4096.223 Bassuk, 1993, Molecular analysis of chicken embryo SPARC (osteonectin), Eur. J. Biochem., 218, 117, 10.1111/j.1432-1033.1993.tb18358.x Bassuk, 1996, Expression of biologically active human SPARC from Escherichia coli, Arch. Biochem. Biophys., 325, 8, 10.1006/abbi.1996.0002 Bassuk, 1989, Protein disulphide isomerase: a multifunctional endoplasmic reticulum protein, Matrix, 9, 244, 10.1016/S0934-8832(89)80057-5 Engel, 1987, Calcium binding domains and calcium-induced conformational transition of SPARC/BM-40/osteonectin, an extracellular glycoprotein expressed in mineralized and nonmineralized tissues, Biochemistry, 26, 6958, 10.1021/bi00396a015 Funk, 1991, The Ca2+-binding glycoprotein SPARC modulates cell cycle progression in bovine aortic endothelial cells, 88, 2648 Girard, 1995, Cloning from purified high endothelial venule cells of hevin, a close relative of the antiadhesive extracellular matrix protein SPARC, Immunity, 2, 113, 10.1016/1074-7613(95)90083-7 Guermah, 1991, Transcription of a quail gene expressed in embryonic retinal cells is shut off sharply at hatching, 88, 4503 Helenius, 1994, How N-linked oligosaccharides affect glycoprotein folding in the endoplasmic reticulum, Mol. Cell Biol., 5, 253, 10.1091/mbc.5.3.253 Hochuli, 1987, New metal chelate adsorbent is selective for proteins and peptides containing neighbouring histidine residues, J. Chromatogr., 411, 177, 10.1016/S0021-9673(00)93969-4 Hohenester, 1996, Structure of a novel extracellular Ca2+-binding module in BM-40/SPARC/osteonectin, Nature: Struct. Biol., 3, 67, 10.1038/nsb0196-67 Johnston, 1990, Molecular cloning of SC1: a putative brain extracellular matrix glycoprotein showing partial similarity to osteonectin/BM40/SPARC, Neuron, 2, 165, 10.1016/0896-6273(90)90452-L Kim, 1995, Calnexin and BiP act as sequential molecular chaperones during thyroglobulin folding in the endoplasmic reticulum, J. Cell Biol., 128, 29, 10.1083/jcb.128.1.29 Lane, 1990, Functional mapping of SPARC: Peptides from two distinct Ca2+-binding sites modulate cell shape, J. Cell. Biol., 111, 3065, 10.1083/jcb.111.6.3065 Lane, 1994, SPARC is a source of copper-binding peptides that stimulate angiogenesis, J. Cell. Biol., 125, 929, 10.1083/jcb.125.4.929 Lane, 1994, The biology of SPARC, a protein that modulates cell-matrix interactions, FASEB J., 8, 163, 10.1096/fasebj.8.2.8119487 Maurer, 1995, The C-terminal portion of BM-40 (SPARC/osteonectin) is an autonomously folding and crystallisable domain that binds calcium and collagen IV, J. Mol. Biol., 253, 347, 10.1006/jmbi.1995.0557 Motamed, 1995, SPARC as a counter adhesive protein: structural and functional correlates, 127 Murphy-Ullrich, 1995, SPARC mediates focal adhesion disassembly in endothelial cells through a follistatin-like region and the Ca2+-binding EF-hand, J. Cell. Biochem., 57, 341, 10.1002/jcb.240570218 Patthy, 1991, Modular exchange principles in proteins, Curr. Opin. Struct. Biol., 1, 351, 10.1016/0959-440X(91)90033-P Pichler, 1996, SPARC is expressed by mesangial cells in experimental mesangial proliferative nephritis and inhibits PDGF-mediated mesangial cell proliferation in vitro, Am. J. Pathol., 148, 1153 Pottgiesser, 1994, Changes in calcium and collagen IV binding caused by mutations in the EF hand and other domains of extracellular matrix protein BM-40 (SPARC, osteonectin), J. Mol. Biol., 238, 563, 10.1006/jmbi.1994.1315 Sage, 1992, Modulation of endothelial cell shape by SPARC does not involve chelation of extracellular Ca2+ and Mg2+, Biochem. Cell Biol., 70, 56, 10.1139/o92-008 Sage, 1995, Inhibition of endothelial cell proliferation by SPARC is mediated through a Ca2+-binding EF-hand sequence, J. Cell. Biochem., 57, 127, 10.1002/jcb.240570113 Sage, 1991, Extracellular proteins that modulate cell-matrix interactions: SPARC, tenascin, and thrombospondin, J. biol. Chem., 266, 14831, 10.1016/S0021-9258(18)98545-5 Sage, 1994, Regulation of angiogenesis by extracellular matrix: the growth and the glue, J. Hypertens. Suppl., 12, S145 Sage, 1989, SPARC, a secreted protein associated with cellular proliferation, inhibits cell spreading in vitro and exhibits Ca2+-dependent binding to the extracellular matrix, J. Cell Biol., 109, 341, 10.1083/jcb.109.1.341 Schneider, 1996, Factors affecting the aggregation of recombinant human SPARC (osteonectin, BM-40) in the cytoplasm of Escherichia coli, Biotech. Progr. Shibanuma, 1993, Cloning from a mouse osteoblastic cell line of a set of transforming-growth-factor β1-regulated genes, one of which seems to encode a follistatin-related polypeptide, Eur. J. Biochem., 217, 15, 10.1111/j.1432-1033.1993.tb18212.x Xie, 1995, Role of N-linked glycosylation in human osteonectin, J. biol. Chem., 270, 23212, 10.1074/jbc.270.39.23212 Yost, 1994, Purification of biologically active SPARC expressed in Saccharomyces cerevisiae, Arch. Biochem. Biophys., 314, 50, 10.1006/abbi.1994.1411