Role of tyrosine 33 residue for the stabilization of the tetrameric structure of human cytidine deaminase.
Role of tyrosine 33 residue for the stabilization of the tetrameric structure of human cytidine deaminase.
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DOI:
10.1016/j.ijbiomac.2010.07.001
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发表时间:
2010-11-01
影响因子:
8.2
通讯作者:
Vincenzetti S
中科院分区:
文献类型:
--
作者:
Micozzi D;Pucciarelli S;Carpi FM;Costanzi S;De Sanctis G;Polzonetti V;Natalini P;Santarelli IF;Vita A;Vincenzetti S
In the present work the effect of a mutation on tyrosine 33 residue (Y33G) of human cytidine deaminase (CDA) was investigated with regard to protein solubility and specific activity. Osmolytes and CDA ligands were used to increase the yield and the specific activity of the protein. The mutant enzyme was purified and subjected to a kinetic characterization and to stability studies. These investigations reinforced the hypothesis that in human CDA the side chain of Y33 is involved in intersubunit interactions with four glutamate residues (E108) forming a double latch that connects each of the two pairs of monomers of the tetrameric CDA.
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影响因子:
2.9
作者:
Costanzi, Stefano;Vincenzetti, Silvia;Vita, Alberto
通讯作者:
Vita, Alberto
DOI:
10.1042/bj20081227
发表时间:
2009-01-01
期刊:
The Biochemical journal
影响因子:
--
作者:
Canals M;Lopez-Gimenez JF;Milligan G
通讯作者:
Milligan G
影响因子:
4.8
作者:
Sato, S;Ward, CL;Kopito, RR
通讯作者:
Kopito, RR
影响因子:
3.9
作者:
Santucci, R;Polizio, F;Desideri, A
通讯作者:
Desideri, A
DOI:
10.1093/protein/gzg117
发表时间:
2003-12-01
期刊:
PROTEIN ENGINEERING
影响因子:
--
作者:
Vincenzetti, S;De Sanctis, G;Vita, A
通讯作者:
Vita, A