David B Knaff
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Explore the profile of David B Knaff including associated specialties, affiliations and a list of published articles.
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56
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1137
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Recent Articles
1.
Srivastava A, Mishra N, Prasad R, Rajesh P, Knaff D
Photosynth Res
. 2020 Mar;
144(1):73-84.
PMID: 32222887
The role of the seven negatively charged amino acids of Synechocystis sp. PCC 6803 ferredoxin (Fd), i.e., Glu29, Glu30, Asp60, Asp65, Asp66, Glu92, and Glu93, predicted to form complex with...
2.
Hirasawa M, Solis J, Vaidyanathan N, Srivastava A, Wynn R, Sutton R, et al.
Photosynth Res
. 2017 Oct;
134(3):317-328.
PMID: 28975508
Based on in silico docking methods, five amino acids in glutamate synthase (Gln-467, His-1144, Asn-1147, Arg-1162, and Trp-676) likely constitute key binding residues in the interface of a glutamate synthase:ferredoxin...
3.
Srivastava A, Hardy E, Allen J, Vaccaro B, Johnson M, Knaff D
Biochemistry
. 2017 May;
56(41):5582-5592.
PMID: 28520412
An in silico model for the 1:1 ferredoxin (Fd)/nitrate reductase (NR) complex, using the known structure of Synechocystis sp. PCC 6803 Fd and the in silico model of Synechococcus sp....
4.
Srivastava A, Allen J, Vaccaro B, Hirasawa M, Alkul S, Johnson M, et al.
Biochemistry
. 2015 Aug;
54(36):5557-68.
PMID: 26305228
An in silico model of the ferredoxin-dependent nitrate reductase from the cyanobacterium Synechococcus sp. PCC 7942, and information about active sites in related enzymes, had identified Cys148, Met149, Met306, Asp163,...
5.
Tripathy J, Hirasawa M, Sutton R, Dasgupta A, Vaidyanathan N, Zabet-Moghaddam M, et al.
Photosynth Res
. 2014 Oct;
123(2):129-39.
PMID: 25288260
It had been proposed that a loop, typically containing 26 or 27 amino acids, which is only present in monomeric, ferredoxin-dependent, "plant-type" glutamate synthases and is absent from the catalytic...
6.
Srivastava A, Knaff D, Setif P
Biochemistry
. 2014 Jul;
53(31):5092-101.
PMID: 25040124
A flash photolysis study of electron transfer (ET) kinetics from reduced ferredoxin (photoreduced by Photosystem I) to the ferredoxin-dependent nitrate reductase from the cyanobacterium Synechococcus sp. PCC 7942 has been...
7.
Knaff D, Sutton R
Front Plant Sci
. 2013 Dec;
4:461.
PMID: 24298277
Glutaredoxin from the cyanobacterium Synechocystis sp. PCC 6803 is a small protein, containing only 88 amino acids, that participates in a large number of redox reactions, serving both as an...
8.
Gao H, Subramanian S, Couturier J, Naik S, Kim S, Leustek T, et al.
Biochemistry
. 2013 Sep;
52(38):6633-45.
PMID: 24032747
Nfu-type proteins are essential in the biogenesis of iron-sulfur (Fe-S) clusters in numerous organisms. A number of phenotypes including low levels of Fe-S cluster incorporation are associated with the deletion...
9.
Roles of four conserved basic amino acids in a ferredoxin-dependent cyanobacterial nitrate reductase
Srivastava A, Hirasawa M, Bhalla M, Chung J, Allen J, Johnson M, et al.
Biochemistry
. 2013 May;
52(25):4343-53.
PMID: 23692082
The roles of four conserved basic amino acids in the reaction catalyzed by the ferredoxin-dependent nitrate reductase from the cyanobacterium Synechococcus sp. PCC 7942 have been investigated using site-directed mutagenesis...
10.
Couturier J, Prosper P, Winger A, Hecker A, Hirasawa M, Knaff D, et al.
Antioxid Redox Signal
. 2012 Aug;
18(13):1613-22.
PMID: 22866991
Three peroxiredoxins (Prxs) were identified in Thermotoga maritima, which possesses neither glutathione nor typical thioredoxins: one of the Prx6 class; one 2-Cys PrxBCP; and a unique hybrid protein containing an...