space which structures traverse it

... active site This opening of the active site is in sharp contrast with many reported structures of protein kinase–ATP complexes In general, such structures show a closing of the active site upon ... the two structures (red is negative, blue is positive) The green mesh (mostly occluded in a cavity underneath Glu103) is the remaining positive density observed in the Rio2–ADP–Mn active site, contoured ... AfRio2 This substitution correlates with the identity of the preceding residue, which is a valine in AfRio2 but a leucine in all Rio2 proteins that contain Arg at the His126 position ˚ Lys120 also...

Ngày tải lên: 30/03/2014, 16:20

... span direction Space truss stability The stability of rigid jointed space frames depends on the bending resistance of the joints for its structural integrity However, space truss structures depend ... six arms 10 Space Grid Structures 1.15 Prototype Nodus space truss re-erected as the Space Structures Research Laboratory, University of Surrey, Guildford, UK (Photograph courtesy British Steel ... double-layer space truss geometries that comply with this condition Some common ones are described later in this chapter From this equation, it also 16 Space Grid Structures Lattice structures...

Ngày tải lên: 29/04/2014, 15:44

... non-specifically This possibility seems unlikely given the known affinity of APOBEC3G to viral Gag proteins and viral and cellular RNAs (2) APOBEC3G is packaged through interaction with Gag in an RNA-independent ... APOBEC3G packaging without affecting 7SL RNA encapsidation [6,10] This model is also consistent with the data reported by Bach et al [3] into HIV virions but does not associate with viral cores and ... biomedical community peer reviewed and published immediately upon acceptance cited in PubMed and archived on PubMed Central yours — you keep the copyright BioMedcentral Submit your manuscript...

Ngày tải lên: 13/08/2014, 05:21

Ngày tải lên: 27/08/2016, 09:39

Ngày tải lên: 28/08/2016, 06:41

... exhibited a very similar position for the terminal fructosyl moiety at the )1 subsite [50,51,56–58] The residues surrounding the )1 binding site are highly conserved and the hydrogen bonds with ... from bacteria, fungi and plants exhibit relatively low sequence identity Superposition of the structures of the members of the GH32 family reveals similarity in the secondary structure area, ... of a number of salts, with the best results obtained in various concentrations of ammonium chloride The enzyme was very sensitive to acidity changes in crystallization conditions and formed different...

Ngày tải lên: 06/03/2014, 00:21

... cleavage-site [29] In contrast, ADAM10 has been found to have constitutive and regulated a-secretase activity as well as many other properties expected for an a-secretase [27] Additionally, in situ ... In every case TACE was detected with a rabbit polyclonal antibody (A) Inhibition of TACE processing by the inhibitor decanoyl-RVKR-chloromethylketone The inhibitor was added to a final concentration ... carcinoma) was chosen because it was described to be insensitive to PMA in the context of a-secretase activity and APPsa secretion [40] Each cell line was incubated for h either with lM PMA or dimethylsulfoxide...

Ngày tải lên: 08/03/2014, 02:20

... padding a representation with some extra space for future features at the outset must guarantee a proper means of filling that extra space with the right value when it is used Internal representations ... representation with extra space means using a Prolog term with extra arity A distinguished value for unused arguments must then be a unique unbound variable.4 There are type systems, of course, for which ... is actually a more general definition: ,  is an injection, totality for all   join homomorphism , where they exist   G zero preservation , and H injectivity I Definition Given two BCPOs, and , is...

Ngày tải lên: 08/03/2014, 07:20

... Solar and Space Physics and Its Role in Space Exploration Committee on the Assessment of the Role of Solar and Space Physics in NASA’s Space Exploration Initiative Space Studies Board ... origins, evolution, and fate Research activities in space physics have provided critical information on space weather and on the conditions under which it can have disruptive and even hazardous ... civilian and defense spacecraft in Earth orbit, the effects of space weather on future human missions beyond Earth 33 34 SOLAR AND SPACE PHYSICS AND ITS ROLE IN SPACE EXPLORATION orbit were not addressed...

Ngày tải lên: 14/03/2014, 10:20

... are marked with filled circles The intensities of the NOE connectivities are indicated by the widths of the stripes [32] are shown in Table The calculated structures shown in Fig exhibit a relatively ... bromine, a quencher with an r6 dependence and an apparent R0 of ˚ A [35] Tryptophan, which is sensitive to its environment, has been utilized previously in combination with brominated lipids ... in the spectra These wavenumbers were used as initial parameters for curve fitting with Gaussian component peaks Position, bandwidths, and amplitudes of the peaks were varied until: (a) the resulting...

Ngày tải lên: 17/03/2014, 11:20

... associated with: ρ, its mass density and λ, µ, its Lam´ constitutive parameters Due to e the homogeneous, isotropic nature of M , ρ, λ′ , λ′′ , µ′ and µ′′ are real, scalar constants, with the understanding ... coordinates of the position of the receiver on the ground and (0, 0) the position of the emitter, also on the ground, of the probe signal The present study is restricted to the case in which only a single ... (14) (15) which are recognized to be the velocities of the transverse (shear, Secondary) and longitudinal (compressional, Primary) bulk waves in the damped solid medium These velocities, and...

Ngày tải lên: 18/03/2014, 01:21

... visible expression of the ideals of unity, solidarity, and amity to which the Union is dedicated." The building itself is not too grand in size to impose a visitor, yet his subtle use of pilasters ... book, titled "The Space of Absence." Here, he deals with the most abstract emotion, and architects attempts to make concrete strong and personal feelings "The space of absence is associated with ... with the contents of the building The example of the National Archives and its meaning as a building is the first major example of a modern structure with its legacy rooted to the symbolic space...

Ngày tải lên: 21/03/2014, 22:51

... interactions with ascorbic acid, as well as with lactose, indicating its suitability for a catalytic role Its positioning together with Gln261 and Arg277 with respect to the lactose molecule suggests ... was found to be approximately mm 3396 The inhibition data of enzyme HylP2 with ascorbic acid, together with its chemical and structural similarities with hyaluronan polysaccharide, suggest that ... obtained the crystals of HylP2 complex with the HA substrate or its analogue However, with the help of the structures of the native protein and its two complexes with ascorbic acid and lactose, we...

Ngày tải lên: 23/03/2014, 04:21

... al The amino acid sequence of HP-NAP exhibits significant similarities with E coli Dps family members, with Listeria innocua dodecameric ferritin (Flp), with two Dps-like proteins (Dlp-1 and Dlp-2) ... conservation of its characteristic intersubunit ferroxidase site Our findings also provide an explanation for the activity of HP-NAP in production of ROIs following interaction with human leukocytes, ... through Ni– nitrilotriacetic acid affinity beads, which are normally used for His-tagged molecules (Fig 2Aa, lane 1) The protein was bound onto the ‘His-affinity’ beads, probably by means of its iron...

Ngày tải lên: 30/03/2014, 04:20

... how it works with the other words and ideas that surround it If you not have a definition for a term, be sure to ask about it or put a star next to it in your notes to remind yourself to look it ... Benefits of Highlighting • • • • It requires you to make decisions about what is important It focuses your attention on important material It encourages you to spend more time with the material It ... it, you might think about it a little differently than you did when you saw it Because your subconscious has had some time to pull it together, you are more apt to have a clearer opinion of it...

Ngày tải lên: 18/06/2014, 17:20

... finite and the other infinity is not possible since ϕ ∈ P C R0 , R0 so that any existing discontinuity is a finite-jump type discontinuity Thus, both limits are either finite, although eventually ... stability of iteration schemes in complete metric spaces including: a the use of altering-distance functions Definition 1.1 1, , and the so-called then defined extended altering functions Definition ... the use of iteration schemes which are based on continuous functions which modify the Picard iteration scheme 5, ; c the removal of the common hypothesis in the context of T -stability that the...

Ngày tải lên: 21/06/2014, 11:20

... implicit iterative algorithm with errors for strongly continuous semigroups of Lipschitz pseudocontractions in the framework of real Banach spaces Theorem Q Let E be a reflexive Banach space which ... Lipschitz pseudocontractions and proved the strong convergence theorems of fixed points in an arbitrary Banach space based on an implicit iterative algorithm Theorem A Let E be an arbitrary Banach space ... based on a viscosity iterative process Appl Math Lett 24, 224–228 (2011) 11 Qin, X, Cho, SY: Implicit iterative algorithms for treating strongly continuous semigroups of Lipschitz pseudocontractions...

Ngày tải lên: 21/06/2014, 17:20

... implicit iteration process to approximate a common fixed point of a finite family of nonexpansive mappings in a Hilbert space Recently, Sun 16 has extended an implicit iteration process for a finite ... Banach spaces In 17 it has been studied the weak and strong convergence of implicit iteration process with errors to a common fixed point for a finite family of nonexpansive mappings in Banach spaces, ... method, indeed, is not implicit iterative processes The used process is some kind of modified Ishikawa iteration Therefore, in this paper we will extend of the implicit iterative process, defined...

Ngày tải lên: 21/06/2014, 20:20

... > with the property Ax, x ≥ γ x ∀x ∈ H 1.2 It is well known that F T is closed convex cf In see also , it is proved that the sequence {xn } defined by the iterative method below, with the initial ... the viscosity approximation method for nonexpansive mappings see for further developments in both Hilbert and Banach spaces Let f be a contraction on H Starting with an arbitrary initial x0 ∈ ... x ∈ C 1.5 Recently, Marino and Xu combined the iterative method 1.3 with the viscosity approximation method 1.4 considering the following general iteration process: xn I − αn A T xn αn γf xn ,...

Ngày tải lên: 21/06/2014, 23:20

... integrodifferential system on finite Banach space and infinite Banach space see 11, 13 To our knowledge, integrodifferential impulsive periodic systems on infinite-dimensional spaces with unbounded operator ... system here Let X be a Banach space £ X denotes the space of linear operators in X; £b X denotes the space of bounded linear operators in X £b X is the Banach space with the usual supremum norm ... existence of periodic solutions In addition, the new generalized Gronwall inequality with impulse, mixed-type integral operator, and B-norm given by us, which can be used in other problems, have...

Ngày tải lên: 22/06/2014, 03:20