The harshness of legionellosis differs from mild Pontiac fever to potentially fatal Legionnaire's disease. The increasing development of drug resistance against legionellosis has led to explore new novel drug targets. It has been found that phosphoglucosamine mutase, phosphomannomutase, and phosphoglyceromutase enzymes can be used as the most probable therapeutic drug targets through extensive data mining. Phosphoglucosamine mutase is involved in amino sugar and nucleotide sugar metabolism. The purpose of this study was to predict the potential target of that specific drug. For this, the 3D structure of phosphoglucosamine mutase of Legionella pneumophila (strain Paris) was determined by means of homology modeling through Phyre2 and refined by ModRefiner. Then, the designed model was evaluated with a structure validation program, for instance, PROCHECK, ERRAT, Verify3D, and QMEAN, for further structural analysis. Secondary structural features were determined through self-optimized prediction method with alignment (SOPMA) and interacting networks by STRING. Consequently, we performed molecular docking studies. The analytical result of PROCHECK showed that 95.0% of the residues are in the most favored region, 4.50% are in the additional allowed region and 0.50% are in the generously allowed region of the Ramachandran plot. Verify3D graph value indicates a score of 0.71 and 89.791, 1.11 for ERRAT and QMEAN respectively. Arg419, Thr414, Ser412, and Thr9 were found to dock the substrate for the most favorable binding of S-mercaptocysteine. However, these findings from this current study will pave the way for further extensive investigation of this enzyme in wet lab experiments and in that way assist drug design against legionellosis.
Kim, Young-Uk;Kim, Il-Hyun;Bang, Ok-Sun;Kim, Young-Joo
Genomics & Informatics
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v.6
no.3
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pp.153-156
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2008
Complex diseases such as stroke and cancer have two or more genetic loci and are affected by environmental factors that contribute to the diseases. Due to the complex characteristics of these diseases, identifying candidate genes requires a system-level analysis of the following: gene ontology, pathway, and interactions. A database and user interface, termed StrokeBase, was developed; StrokeBase provides queries that search for pathways, candidate genes, candidate SNPs, and gene networks. The database was developed by using in silico data mining of HGNC, ENSEMBL, STRING, RefSeq, UCSC, GO, HPRD, KEGG, GAD, and OMIM. Forty candidate genes that are associated with cerebrovascular disease were selected by human experts and public databases. The networked cerebrovascular disease gene maps also were developed; these maps describe genegene interactions and biological pathways. We identified 1127 genes, related indirectly to cerebrovascular disease but directly to the etiology of cerebrovascular disease. We found that a protein-protein interaction (PPI) network that was associated with cerebrovascular disease follows the power-law degree distribution that is evident in other biological networks. Not only was in silico data mining utilized, but also 250K Affymetrix SNP chips were utilized in the 320 control/disease association study to generate associated markers that were pertinent to the cerebrovascular disease as a genome-wide search. The associated genes and the genes that were retrieved from the in silico data mining system were compared and analyzed. We developed a well-curated cerebrovascular disease-associated gene network and provided bioinformatic resources to cerebrovascular disease researchers. This cerebrovascular disease network can be used as a frame of systematic genomic research, applicable to other complex diseases. Therefore, the ongoing database efficiently supports medical and genetic research in order to overcome cerebrovascular disease.
International Journal of Fuzzy Logic and Intelligent Systems
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v.5
no.3
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pp.206-215
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2005
In this paper, we propose a new design method of Genetic Algorithm Processor(GAP) and Evolvable Hardware(EHW). All sorts of creature evolve its structure or shape in order to adapt itself to environments. Evolutionary Computation based on the process of natural selection not only searches the quasi-optimal solution through the evolution process, but also changes the structure to get best results. On the other hand, Genetic Algorithm(GA) is good fur finding solutions of complex optimization problems. However, it has a major drawback, which is its slow execution speed when is implemented in software of a conventional computer. Parallel processing has been one approach to overcome the speed problem of GA. In a point of view of GA, long bit string length caused the system of GA to spend much time that clear up the problem. Evolvable Hardware refers to the automation of electronic circuit design through artificial evolution, and is currently increased with the interested topic in a research domain and an engineering methodology. The studies of EHW generally use the XC6200 of Xilinx. The structure of XC6200 can configure with gate unit. Each unit has connected up, down, right and left cell. But the products can't use because had sterilized. So this paper uses Vertex-E (XCV2000E). The cell of FPGA is made up of Configuration Logic Block (CLB) and can't reconfigure with gate unit. This paper uses Vertex-E is composed of the component as cell of XC6200 cell in VertexE
The objectives of this study were to analyze the effect of dress(Korean traditional dress and suit) of elderly Women and situation on impression formation. The experimental design was $10\times{2}\times{2(dress}\times{perceiver's age}\times{situation)}$ factorial design by 3 independent variables. The stimuli of color photographs of female in her 60's model and the semantic differential scale were used. Six variables of impression formation were used: preference: elegance: potency: activity: feminine: and modernity. Samples were 400 women 200 were in their twenties and 200 in their forties and fifties. The data were analyzed by $\alpha$-reliability t-test ANOVA and duncan's multiple range test. The Korean traditional dress with the combination of Korean traditional color(light blue upper dress with dark red purple collar and string.dark blue skit) had the most positive effect on impression of elegance. Pink traditional dress and light blue traditional dress had a negative effect on impression of potency activity and modernity. Red purple suit had a positive effect on potency and modernity. The interaction between dress perceiver's age and stituation was significant for the impression of activity. Women in their 40's and 50's perceived the activity of red purple suit positively in the situation of alumnae meeting more than in the wedding ceremony. The perceived age of the stimulus person was different according to dresses. Traditional dresses was perceived older than suits were. Women in their 40's and 50's evaluated preferences of the dresses positively more than 20's did. This means that 40's and 50's feel similarity with the stimulus person more than 20's as the age of model was in their 60's The result supports the theory that similarity is basic factor in interpersonal attraction.
The purpose of this study is to examine features of parts of Jikryung and relations among the features. Results of the study can be described as follows. 1. The short front and long rear of Jikryung was changed into the long front and long rear of the dress in the late 16th century. Kalgit of quasi-square style as double collar was changed into that of common collar in the late 16th century and then into common semi-circle collar in the early 17th century, when double Sup was also changed Into single Sup. Narrow sleeves of Jikryung were replaced by bean chaff-shaped in the late 16th century and then by wide ones in the early period of the next century. The shape of the side hem of Jikryung was changed from rectangle into trapezoid in the early 17th century Triangle-shaped Moo was changed into trapezoid-shaped one in the late 16th century and then again into triangle in the late 17th century 2. Changes in shapes of the parts of Jikryung were made with them correlated. The collar of Jikryung saw change in its form from double to common as its width was reduced. Double Sup was changed into single one and the narrow, short coat string into the long one as Jikryung became a dress needing less adjustment. The sleeves widened as the length of whajang increased. The side hem of Jikryung saw change in its shape from rectangular to trapezoidal one as its position was changed. Trapezoidal Moo was replaced by triangular one as the sleeve of Jikryung was changed in shape. 3. Changes in shapes of the parts of Jikryung influenced the aesthetic beauty of the dress itself In its first period, Jikryung was simple with long, slim silhouettes. In its second period, the dress was rich with increased volume. Finally in its third period, the dress was characterized by the harmony of simpleness and richness.
The purpose of this study is to investigate men's coat of Jikryeongkoim style that were excavated from the tombs of the Yeosan Song family. Findings of the study can be summarized as follows. Except Dapho, all of the above mentioned coat were usually worn in the late 15th and late 16th centuries. Jikryeong and Cheolik were often worn in both of the centuries. But Aekjureum was often worn in the late 15th century and Jikryeong with no side hem and Jikryeong of Dopo style, in the late 16th century. Generally, the men's coat of Jikryeongkoim style had a short fore part and a long rear part, doubled kalgit of banmokpan style and a narrow sleeve in the late 15th century, while fore and rear parts of the same length, kalgit of ordinary style and the sleeve of bean chaff shape in the late 16th century. In both of the centuries, the coat had the outer Seop that was doubled and used short, narrow coat strings to be adjusted. Samgakmu was used to Jikryeong with no side hem and Aekjureum. Out of the coat, those which were lined or padded or quilted with cotten used Samgakmu, but those which were unlined didn't. To adjust the coat, usually, a pair of short, narrow coat strings was used. The coat had the coat strings directly stitched on them or indirectly connected to them by means of the coat string hanger.
The study is intended to produce a modern Cheollik style one-piece dress that stays within the traditional concept of beauty. Specially, the study focuses on Cheollik of the Joseon Dynasty among various traditional costumes as its motif. As the Joseon Dynasty changed, the forms of Cheollik changed with it. People of all classes from the commoners to king wore it. Cheolik was different from other traditional costumes because the top and bottom were connected and so it was an easy to wear one-piece clothing. Initially, the ratio of upper and lower parts was one to one, but later on, the ratio changed to 1:2 as the topcoat became wider and length of the skirt was lengthened. Diverse types of pleat emerged such as fine pleat, opposite pleat and long pleat. Collar and string were also diversified and studied by applying the components. To study it, the author considered the previous studies about Cheollik first. Then, the Cheollik of the Joseon Dynasty was reproduced. Thirdly, with the motif of Cheollik components, the materials suitable to a one-piece dress design were selected, dyed naturally. Finally, One piece dress design was utilized by using the components and features of Cheollik. 8 pieces of one-piece dresses were made as an ordinary dress and the materials such as ramie, Oksa, hemp, silk, Yeon-hwamun dan and artificial silk were used. Hopefully, other traditional costumes can develop as a practical and ordinary dress.
The purpose of this study is to consider incense culture found in costume and life in forms of carrying and decoration. Here, incense for carrying and decoration is classified into two cases, using it as a costume accessory and life space. Hyangjumony, Hyangnorigae, Hyangjul, Hyangdae and Hyangseonchu were costume accessories. Hyangjumony was not only used for the royal palanguin, but also for bedroom. When Poetic Literature, and other ancient publications were reviewed in regard to incense for carrying and decoration, it was estimated that incense began to be carried for the first time before the late period of Shilla(9C). In addition, it was found that incense was not just a personal taste, but one of important gifts exchanged between states, envoys of different nations and between sovereign and subject and that incense was a necessary costume accessory for men. Types of incense for carrying and decoration used in this nation are classified into Hyangjumony, Hyangnorigae, Hyangjul and Hyangseonchu. Hyangjumony is a fabric pouch that contains incense. Hyangnorigae is Norigae whose main material is incense. Hyangjul is a string to which incense is hanged. Hyangseonchu is Seonchu whose main material is incense. Incense for carrying and decoration was based on five colors that symbolize cosmic order and harmony, of which red and purple were mostly used. Red strongly suggests expelling Yin with Yang, or exorcism. The color gives a strong impression, so it was often used to make a carried incense more decorating. Main materials of incense for carrying and decoration were gold, silver, precious stone and horsehair. They are different in characteristics, but were used appropriately for incense fragrance and decoration. Patterns mainly used for the incense had shapes of animal, plant, sipjangsaeng and letter. These were all auspicious patterns that symbolize human wishes and desires, especially individual and family happiness.
Reinforced concrete (RC) structures consist of two different materials: concrete and steel bar. The stress transfer behaviour between the two materials through bond plays an important role in the load-carrying capacity of RC structures, especially when they subject to lateral load such as blast and seismic load. Therefore, bond and slip between concrete and reinforcement bar will affect the response of RC structures under such loads. However, in most numerical analyses of blast-induced structural responses, the perfect bond between concrete and steel bar is often assumed. The main reason is that it is very difficult to model bond slip in the commercial finite element software, especially in hydrodynamic codes. In the present study, a one-dimensional slide line contact model in LS-DYNA for modeling sliding of rebar along a string of concrete nodes is creatively used to model the bond slip between concrete and steel bars in RC structures. In order to model the bond slip accurately, a new approach to define the parameters of the one-dimensional slide line model from common pullout test data is proposed. Reliability and accuracy of the proposed approach and the one-dimensional slide line in modelling the bond slip between concrete and steel bar are demonstrated through comparison of numerical results and experimental data. A case study is then carried out to investigate the bond slip effect on numerical analysis of blast-induced responses of a RC column. Parametric studies are also conducted to investigate the effect of bond shear modulus, maximum elastic slip strain, and damage curve exponential coefficient on blast-induced response of RC columns. Finally, recommendations are given for modelling the bond slip in numerical analysis of blast-induced responses of RC columns.
Journal of the Korea Society of Computer and Information
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v.15
no.7
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pp.19-26
/
2010
In this paper, we suggest a efficient handwritten character verification method in on-line environments which automatically analyses two input character string and computes their similarity degrees. The proposed algorithm first applies the circular projection method to input handwritten strings and extracts their representative features including shape, directions, etc. It then calculates the similarity between two character strings by using an improved dynamic time warping (DTW) algorithm. We improved the conventional DTW algorithm efficiently through adopting the branch-and-bound policy to the existing DTW algorithm which is well-known to produce good results in the various optimization problems. The experimental results to verify the performance of the proposed system show that the suggested handwritten character verification method operates more efficiently than the existing DTW and DDTW algorithms in terms of the speed.
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