Báo cáo toán học: " On the first- and second-order statistics of the capacity " ppt

... presen tation, p H values are expressed as the corresponding proton con centrations. (C) Apparen t K m values of prot ons in the presence of proline (h )and L -alanine ( s) as a function of the membrane ... transporter to the internal membrane side is the rate-limiting s tep and not – as proposed for most of the other electrogenic symporters – the return of the un...

Ngày tải lên: 07/03/2014, 16:20

... that additional regulation may exist in the expression of ferrochelatase, which plays a role in the iron-removal reaction of exogenous heme and the change in position of the heme-moiety of hemopro- teins. ... in the outer and inner membranes of mitochondria and the possible regulation of its reversible enzyme activity by phos- phorylation. Phosphorylation of t...

Ngày tải lên: 16/03/2014, 00:20

... understanding of catalysis and the interaction of active sites in these unique contiguous trimeric FlgCKs will depend on the outcome of on- going studies of expressed truncated contiguous dimers and monomers, ... consists of two identical conformational states for the monomeric subunits in the dimer [15]. In contrast, the recently published crystal structure of t...

Ngày tải lên: 16/03/2014, 06:20

... structural conclusions to be drawn. This may reflect the poorly defined nature of the first turn of the a-helix due to the lack of hydrogen bonds to their NH protons. Comparison of the observed ... examination of the deviation from random coil chemical shift values of the a- 1 Handa- 13 C resonances determined in water [58,59]. Smoothed over a window of n ¼ ± 2 residu...

Ngày tải lên: 17/03/2014, 09:20

... purification of the protein, investigation of the properties of the enzyme, and the crystal structure analysis of the protein. Results and Discussion Annotation of CMs in M. tuberculosis H 37 R v The ... that correspond to helix 2 and helix 3 of the second EcCM protomer; in *YpCM, the disulfide bond is between the third residue of the mature protomer and...

Ngày tải lên: 17/03/2014, 17:20

... understand the incongruence of these peptides we reinvestigated the glycan linkage configuration of the isolated and purified native tx5a venom, using both 1 H- 1 H homonuclear and 13 C- 1 H heteronuclear ... that GalNAc and Gal are present in equivalent concentrations, but we did n ot further determine the configuration of this carbohydrate. However, the different elution...

Ngày tải lên: 23/03/2014, 13:20

... with at least one of the members of the CÆG pair at the fourth position of TGAC in the HAKN1–DNA complex. The two leftmost positions of the core interact through the minor groove with the N-terminal ... acids of the core, examination Fig. 6. Effect of changes within the N-terminal arm and position 55 on the binding of HAKN1 to oligonucleotides BS1 and...

Ngày tải lên: 23/03/2014, 13:20

... Alteration of the asymmetric distribution of lipids between the inner and outer leaflets of the membrane and a lateral segre- gation of lipid components in the membrane may also cause fluctuations of the ... (located at the C-terminus of the a2-helix) and Ala112 (located at the C-terminus of the b7-strand connected with the base of the b5 ⁄ b6 loop by...

Ngày tải lên: 30/03/2014, 10:20

... evolution of the spectra when the indicated number of Cd(II) was added. (B) CD spectrum of the acidification of the final solution of the Cd(II) titration of Zn–ckMT, the arrow shows the evolution ... Although the clones of the Data Bank are discontinuous, gene misidentification was ruled out because the DNA sequence of exon 3 exactly corresponds to that in t...

Ngày tải lên: 30/03/2014, 11:20

... and introns (I1–I3) as solid lines. The length of the boxes and lines represent the approximate size of the exons and introns, respectively, with the number of amino acids encoded by each exon ... note is the increasing size of each of the three introns, i.e. intron 1 < intron 2 < intron 3 (Fig. 2A), is maintained between fishes and mammals. All intron/exo...

Ngày tải lên: 31/03/2014, 07:20