... the family of the 48 structures, 13 structures were selected having the best allowed regions in the Ramachandran plot (Fig 4) The RMSD value of the ensemble of the 13 calculated structures, with ... with structure closest to the average co-ordinates (the blue colour denotes the side chains of Arg2, Tyr4, Ile5, His6 and the yellow the side chains of Val3 and Pro7) (a) with the the X-ray structure ... illustrates the RMSD values obtained after the sequence and structure alignment of the two structures by using the program Profit1.8 Remarkably, the superposition of the solution state and the bound structure...
Ngày tải lên: 20/02/2014, 23:20
... Clearly, there can be many alignments which differ only in the spans of the categories, but line up the same tags with the same words However, there will be a certain number of unique ways in which the ... be parsed, is the number of nonterminal categories in the grammar and is the number of (active) states in the FSA encoding of the grammar The time bound is derived from counting the number of ... along with phrases headed by adverbs, then there is very little useful top-down control left With such a permissive grammar, the only real constraints are in the POS tags which anchor the local...
Ngày tải lên: 17/03/2014, 07:20
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) pptx
... phosphate: On the basis of the available data, the Panel considers that treatment of poultry carcasses with trisodium phosphate as described is of no safety concern The Panel considers that the rapid ... peroxyoctanoic acids The formula for the calculation of the concentration of the peroxyacid mixture is given in the appendix MECHANISMS OF ACTION OF THE ANTIMICROBIAL AGENTS Mechanisms of action of the antimicrobial ... Poultry treatment with antimicrobials The EFSA Journal (2005) 297, p.10 of 27 The fatty acid profiles determined in the lipid fractions of the carcasses after the treatments with acidified sodium...
Ngày tải lên: 17/03/2014, 10:20
Báo cáo khoa học: Crystal structure of RNase A tandem enzymes and their interaction with the cytosolic ribonuclease inhibitor potx
... possible without steric clashes, the distance between the C-terminus of the RNase A in the first complex and the N-terminus of the RNase A in the second 334 ˚ complex is about A, i.e less than the ... not constrain the ability of the RNase A entities to adopt the same orientation in the crystal as monomeric RNase A On the other hand, the decreased activity of the RATEs as compared with RNase ... amino acids in the RATEs) Interestingly, the crystal structure provides no clear indication of the reason for the decrease in catalytic activity as compared with RNase A Neither of the two active...
Ngày tải lên: 22/03/2014, 16:21
Báo cáo khoa học: X-ray structure of glucose/galactose receptor from Salmonella typhimurium in complex with the physiological ligand, (2R)-glyceryl-b-D-galactopyranoside pdf
... interacts with O2¢ These interactions increase the number of hydrogen bonds between the protein and ligand by five compared with the monosaccharides The glyceryl moiety of GBP lies near the hinge of the ... hydrogen bonds compared with the structures with simple sugars The other structures represent a series of conformations that ‘link’ the GGal complex to the most open (apo, 2FW0) structure (by 37°) ... with structure or function The rms difference when all Ca atoms of the two molecules in the asymmetric unit are compared is ˚ 0.3 A, slightly greater than the expected coordinate ˚ error in the...
Ngày tải lên: 23/03/2014, 04:21
Báo cáo khoa học: A unique tetrameric structure of deer plasma haptoglobin – an evolutionary advantage in the Hp 2-2 phenotype with homogeneous structure pot
... 142 residues Among these, there are two disulfide linkages within the a-chain (Cys34 and 68 and Cys93 and 127), and the one at the C-terminal region (Cys131) cross-links with the b-chain (Cys105) ... identify any carbohydrates associated with the a-chain of either species (data not shown) Hypothetical model for the formation of the deer Hp tetramer The ability of the deer Hp to refold and reassemble ... containing the )SH groups of two polymers would be 90–360 ⁄ n degrees If the distance between the )SH sites is approximately 90°, and the side of the Hp subunit contributes the base of the triangle, the...
Ngày tải lên: 23/03/2014, 07:20
Báo cáo Y học: NMR structure of the HIV-1 regulatory protein Vpr in H2O/trifluoroethanol Comparison with the Vpr N-terminal (1–51) and C-terminal (52–96) domains pot
... into account the labeled residues NMR sample preparation Two NMR samples were prepared, as described previously [25,26], one with the native protein and the other with the labeled one The final concentration ... previously [25] and the 20 best energy minimized structures with the lowest values for total energy and NOE restraint violations were analysed with respect to the rmsd values of the backbone The structural ... of the helix while the hydrophobic side chains of Leu42, Ile46 are on the other (Fig 7II) This helical conformation is not integrally conserved in the 20 structures as the average rmsd of the...
Ngày tải lên: 31/03/2014, 23:20
Báo cáo toán học: "The Structure of Maximum Subsets of {1, . . . , n} with No Solutions to a + b = kc" potx
... that, as a function of s ∈ [1, n], the cardinality of A3 attains its maximum only for some s ∈ [s − 2k, s + 2] This, together with (8), completes the proof of the lemma Now we can prove the first ... s = l3 and kl3 ≥ 2r3 − 1, the latter being a requirement for either of the two possibilities for I3 to be k-sum-free, then another computation similar to the one in the Appendix yields that s ... (11) as claimed in the statement of the theorem This completes the first part of our proof (II) For the second part note that we have just shown s ≥ l3 (12) Plugging (11) into the definition of...
Ngày tải lên: 07/08/2014, 08:22
Báo cáo toán học: "On the Structure of Sets with Few Three-Term Arithmetic Progressions" pptx
... is, these cosets are all the places where fW is not “too close” to being an indicator function 3.1 Construction of the Function g To construct the function g with the properties claimed by our Theorem, ... prove a third theorem (Theorem 4), from which we will deduce both Theorem and Theorem An important point worth making, before we proceed with the proofs, is what more we would like our theorems above ... p−n/12 /2, we have that g satisfies the properties claimed by the lemma Proof of Theorem To prove Theorem 1, we begin by letting f be the indicator function for the set S Now suppose that E(|f (m)...
Ngày tải lên: 08/08/2014, 12:22
Báo cáo y học: " Crystal structure of an FIV/HIV chimeric protease complexed with the broad-based inhibitor, TL-3" docx
... a result, the structure of the complex is an average of the two half-sites Similarly, TL3 was bound in the active site of the 12X FIV PR with its C2 axis of symmetry coincident with the crystallographic ... PR in complex with TL-3 The 12X FIV PR-TL3 complex crystallized in the space group P3121 with a monomer in the asymmetric unit and the C2 axis of the protease dimer coincident with a crystallographic ... P100N, and L101I in the "90s loop" region The 2-fold axis of the 12X FIV protease dimer is vertical in the plane of the figure; the C2 axis of the bound inhibitor, TL-3, coincides with this 2-fold...
Ngày tải lên: 13/08/2014, 09:20
NEUTRALITY EFFECTS ON THE PHASE STRUCTURE OF THE LINEAR SIGMA MODEL WITH THE NON ST ANDARD SYMMETR y BREAKING TERM
... VAN THU the renormalization prescription, the thermodynamic consistency and the preservation of the Goldstone theorem Besides, in [18], making use of this method we considered the phase structure ... considered the neutrality effects on the phase structure of the linear sigma model with the non-standard symmetry breaking term by means of the CornwallJackiw-Tomboulis effective potential The paper ... Hence, there are two distinct Hartree-Fock approximations: the one that respects the Goldstone theorem is called the improved Hartree-Fock (IHF) approximation and the other related to the absence...
Ngày tải lên: 30/10/2015, 20:54
Building Portals with the Java Portlet API
... reference the instance of the portlet in the portal page—if there are two portlets on the page with the same class, they will have different portlet URLs The portal container is responsible for the ... Chapter The portlet container is responsible for sending requests from the portal to the portlet, and then passing the portlet response back to the portal It also manages the initialization of the ... along with other life cycle events The portal is responsible for taking the content from the portal container for each portlet and building a web page for the end user The portal handles the layout,...
Ngày tải lên: 20/08/2012, 11:54
THE structure of the multiprogramming system
... in synchronism with the execution of the output commands); furthermore, we have the "segment controller" associated with the drum and the "message interpreter" associated with the console keyboard ... associated with the peripherals are of a level above the message interpreter, because they must be able to converse with the operator (e.g in the case of detected malfunctioning) The limited ... allocated in the universe in which the processes are embedded; they are initialized (with the value or 1) before the parallel processes themselves are started After this initialization the parallel...
Ngày tải lên: 12/09/2012, 15:05
Drawing - Fun With A Pencil
... construct the head from the cranium down There is no other satisfactory way You can see by now that the position of the ball determines the pose of the head The pieces you build on determine the character ... wish, the better you are going to be The line from the top to bottom is the “middle” line of the face The horizontal line, which looks like the equator, is the “eyeline,” and it also locates the ... side of the middle line The ear joins the head at the point of intersection of the eyeline and the earline 21 THERE IS NO LIMIT TO THE VARIETY I am a lot more anxious to have you understand the method...
Ngày tải lên: 13/09/2012, 14:19
Learning English With The Rose
... vào nguyên , bật cho nói đọc nhép theo Bạn thấy nói châm thật để theo vấn đề Lưu ý cố gắng theo ngữ diệu VOA nói B4 Làm tập thực hành (mình không có) hi vọng...
Ngày tải lên: 02/10/2012, 12:07
Prentice Hall Grammar Plus 'fun With Grammar' By Suzanne W. Woodward
... next to the same students, it is beneficial to have them work with other classmates during these activities When the students work on the exercises in their textbook, they probably work with those ... together The students holding the pieces of each picture are the members of that group The first time you this activity, the students usually think that once they have put the picture together, the ... the other half, answers Distribute them and have the students find their match Once they have found the partner whose card matches theirs, you’re ready for the “real” activity Miscellaneous There...
Ngày tải lên: 05/10/2012, 09:57
Báo cáo y học: "Grb2-associated binder 1 polymorphism was associated with the risk of Helicobactor pylori infection and gastric atrophy"
... September 2000 The study protocol was approved by the Ethics Committee of the Aichi Cancer Center, with which the chief investigation (N.H.) was affiliated at the enrollment of study subjects The case ... associated with the low risk of the infection independent on severe atrophy Although the Gab1 polymorphism prevented H pylori infection, it was associated with the risk of atrophy identified as the ... affect the H pylori infection through the level of cytokines which are advantageous to eradication of H pylori These results should be interpreted with caution The question is whether these apparently...
Ngày tải lên: 31/10/2012, 15:37
Incorporating english cultural elements into english training with the comparing - contrasting approach: A case of tourism students at haiphong community college part 3
... respectively) From the discussion, the students say that they care work element most because they think it will help them with their future jobs Besides, they confide that they want to learn the other English ... activities as they are the most reliable data, or to check the reliability of the data collected from other sources- the survey questionnaire The author of the study observed the C.QDL 05.2 The observation ... the task sheets Then divide the class into groups of three or four Explain the task to the students They are to work together in groups, studying the schedule and answering the questions on the...
Ngày tải lên: 07/11/2012, 15:06