NdhP and NdhQ: two novel small subunits of the cyanobacterial NDH-1 complex.
NdhP and NdhQ: two novel small subunits of the cyanobacterial NDH-1 complex.
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DOI:
10.1021/bi102044b
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发表时间:
2011-02-22
期刊:
影响因子:
2.9
通讯作者:
Whitelegge JP
中科院分区:
文献类型:
--
作者:
Nowaczyk MM;Wulfhorst H;Ryan CM;Souda P;Zhang H;Cramer WA;Whitelegge JP
The subunit composition of the NAD(P)H dehydrogenase complex of Thermosynechococcus elongatus was analyzed by different types of mass spectrometry. All 15 known subunits (NdhA-NdhO) were identified in the purified NDH-1L complex. Moreover, two additional intact mass tags of 4902.7 and 4710.5 Da could be assigned after re-annotation of the T. elongatus genome. NdhP and NdhQ are predicted to contain a single transmembrane helix each and homologues are apparent in other cyanobacteria. Additionally, ndhP is present in some cyanophages in a cluster of PSI genes and it exhibits partial similarity to NDF6, a subunit of the plant NDH-1 complex.
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