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NdhP and NdhQ: two novel small subunits of the cyanobacterial NDH-1 complex.
- Source :
-
Biochemistry [Biochemistry] 2011 Feb 22; Vol. 50 (7), pp. 1121-4. Date of Electronic Publication: 2011 Jan 27. - Publication Year :
- 2011
-
Abstract
- 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 reannotation 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 exhibits partial similarity to NDF6, a subunit of the plant NDH-1 complex.
- Subjects :
- Amino Acid Sequence
Bacterial Proteins chemistry
Bacterial Proteins genetics
Bacterial Proteins metabolism
Bacterial Proteins physiology
Chromatography, High Pressure Liquid
Cyanobacteria chemistry
Cyanobacteria metabolism
Models, Biological
Molecular Sequence Data
Molecular Weight
NADH Dehydrogenase physiology
Protein Binding
Protein Subunits chemistry
Protein Subunits isolation & purification
Protein Subunits metabolism
Cyanobacteria enzymology
NADH Dehydrogenase chemistry
NADH Dehydrogenase isolation & purification
NADH Dehydrogenase metabolism
Subjects
Details
- Language :
- English
- ISSN :
- 1520-4995
- Volume :
- 50
- Issue :
- 7
- Database :
- MEDLINE
- Journal :
- Biochemistry
- Publication Type :
- Academic Journal
- Accession number :
- 21244052
- Full Text :
- https://doi.org/10.1021/bi102044b