Novel mutant human fibronectin FIII9-10 domain pair with increased conformational stability and biological activity.
Novel mutant human fibronectin FIII9-10 domain pair with increased conformational stability and biological activity.
复制标题
新型突变人纤连蛋白 FIII9-10 结构域对,具有更高的构象稳定性和生物活性。
DOI:
10.1093/protein/15.12.1021
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发表时间:
2002-12
期刊:
影响因子:
--
通讯作者:
Mardon HJ
中科院分区:
文献类型:
--
作者:
van der Walle CF;Altroff H;Mardon HJ
The ninth and tenth type III domains (FIII9–10) in the central cell binding domain of human fibronectin contain integrin receptor binding sites, including RGD in FIII10 and a synergy site, PHSRN, in FIII9. The specific amino acids that contribute to cell binding have been identified by the use of wild-type and mutant fragments of human fibronectin containing the FIII9–10 domain pair. At high concentrations FIII9–10 mimics, to a large extent, the biological activity of the full-length fibronectin molecule. However, FIII9 is conformationally unstable, even in the context of the FIII9–10 pair. Here we report the construction of a series of hybrid mouse–human FIII9–10 pairs that confer varying degrees of conformational stability to FIII9. The conformational stability of the human FIII9 module was increased 2–3-fold by substitution of Leu1408 with Pro. We demonstrate that the biological activity of this mutant is enhanced. The resulting FIII9–10 mutant has good solution properties and will provide a template into which further mutations can be incorporated in order to probe the structure–function relationship of the cell binding module of fibronectin.
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影响因子:
16.2
作者:
HUBER, AH;WANG, YME;BJORKMAN, PJ
通讯作者:
BJORKMAN, PJ
影响因子:
7.5
作者:
POTTS, JR;CAMPBELL, ID
通讯作者:
CAMPBELL, ID
DOI:
10.1083/jcb.149.2.521
发表时间:
2000-04-17
期刊:
The Journal of cell biology
影响因子:
--
作者:
Redick SD;Settles DL;Briscoe G;Erickson HP
通讯作者:
Erickson HP
影响因子:
5.6
作者:
DICKINSON, CD;VEERAPANDIAN, B;ELY, KR
通讯作者:
ELY, KR
影响因子:
64.5
作者:
MAIN, AL;HARVEY, TS;CAMPBELL, ID
通讯作者:
CAMPBELL, ID