Takeshi Kawabata

Genome Informatics 14: 589--590 (2003) 589 Novel Types of Two-Domain Multi-Copper Oxidases: (2004)

Takeshi Kawabata, Kei Yura

Introduction Metal ions bound to proteins exhibit various fundamental functions such as catalysis, electron transfer, oxigen transfer and signal transmission. Despite its importance, only a little of...

On the Accuracy of Transmembrane Segment Prediction of Helical Integral Membrane Proteins (2004)

Gautam Basu, Takeshi Kawabata

Introduction Integral membrane proteins play a vital role in a number of essential biological functions. Although abundant, about 30% of genes are known to code for membrane proteins, the number of...

Genome Informatics 14: 531--532 (2003) 531 Detection of Remote Homologue Using Predicted (2004)

Daisuke Ishibe, Katsunori Uehara, Takeshi Kawabata

Introduction Detection of homologues for a protein sequence is important for deducing its function and tertiary structure, many researchers have made e#orts to develop sensitive method to detect...

Understanding Unsegmented User Utterances in Real-Time Spoken Dialogue Systems (2002)

Mikio Nakano, Noboru Miyazaki, Jun-ichi Hirasawa, Kohji Dohsaka, Takeshi Kawabata

This paper proposes a method for incrementally understanding user utterances whose semantic boundaries are not known and responding in real time even before boundaries are determined. It is an...

Understanding Unsegmented User Utterances in Real-Time Spoken Dialogue Systems (1999)

Mikio Nakano, Noboru Miyazaki, Jun-ichi Hirasawa, Kohji Dohsaka, Takeshi Kawabata

This paper proposes a method for incrementally understanding user utterances whose semantic boundaries are not known and responding in real time even before boundaries are determined. It is an...

Effect of Be Addition on the Microstructures and Mechanical Properties in TiAl. (1998)

Nonaka, Katsuhiko, Tanosaki, Kazuo, Fujita, Masayoshi, Kawabata, Takeshi, Izumi, Osamu

The addition of Be on the microstructure and mechanical properties of TiAl resulted in a decreased amount of alpha2 phase and an increase in grain size; beryllium compound occurred by Be addition...

Lattice Cleavage of Intermetallic Compounds With the L1(sub0) and L1(sub 2) Type Structures. (1998)

Kawabata, Takeshi, Takasugi, Takayuki

Fracture mechanism in lattice cleavage for the L1(sub 0) and L1(sub 2) type structures was proposed; the fracture planes calculated were expressed as ?010! and ?1x1!(x=1,2,..) and showed reasonable...

Effect of Carbon and Nitrogen on Mechanical Properties of TiAl Alloys. (1998)

Kawabata, Takeshi, Tadano, Masayoshi, Izumi, Osamu

Room temperature tensile tests were performed on single and dual phase gamma TiAl alloys to study their mechanical properties as functions of content of interstitial elements such as C and N, Ti/Al...

HMM Continuous Speech Recognition Using Predictive LR Parsing (1998)

Kenji Kita, Takeshi Kawabata, Hiroaki Saito

This paper proposes a new continuous speech recognition method using an ecient parsing mechanism, an LR parser, driving HMM modules directly without any intervening structures such as a phoneme...

Hmm Continuous Speech Recognition Using Predictive Lr Parsing (1998)

Kenji Kita, Takeshi Kawabata, Hiroaki Saito

This paper proposes a new continuous speech recognition method using an ecient parsing mechanism, an LR parser, driving HMM modules directly without any intervening structures such as a phoneme...

Challenge Problem for Computational Auditory Scene Analysis: Understanding Three Simultaneous Speeches (1997)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Understanding three simultaneous speeches is proposed as a challenge problem to foster artificial intelligence, speech and sound understanding or recognition, and computational auditory scene...

Understanding Three Simultaneous Speeches (1997)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Understanding three simultaneous speeches is proposed as a challenge problem to foster artificial intelligence, speech and sound understanding or recognition, and computational auditory scene...

Understanding Three Simultaneous Speeches (1997)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Understanding three simultaneous speeches is proposed as a challenge problem to foster artificial intelligence, speech and sound understanding or recognition, and computational auditory scene...

Understanding Three Simultaneous Speeches (1997)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Understanding three simultaneous speeches is proposed as a challenge problem to foster artificial intelligence, speech and sound understanding or recognition, and computational auditory scene...

Challenge Problem for Computational Auditory Scene Analysis: Understanding Three Simultaneous Speeches (1997)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Understanding three simultaneous speeches is proposed as a challenge problem to foster artificial intelligence, speech and sound understanding or recognition, and computational auditory scene...

Challenge Problem for Computational Auditory Scene Analysis: Understanding Three Simultaneous Speeches (1997)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Understanding three simultaneous speeches is proposed as a challenge problem to foster artificial intelligence, speech and sound understanding or recognition, and computational auditory scene...

A New Speech Enhancement : Speech Stream Segregation (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Speech stream segregation is presented as a new speech enhancement for automatic speech recognition. Two issues are addressed: speech stream segregation from a mixture of sounds, and interfacing...

A New Speech Enhancement: Speech Stream Segregation (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Speech stream segregation is presented as a new speech enhancement for automatic speech recognition. Two issues are addressed: speech stream segregation from a mixture of sounds, and interfacing...

A New Speech Enhancement : Speech Stream Segregation (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Speech stream segregation is presented as a new speech enhancement for automatic speech recognition. Two issues are addressed: speech stream segregation from a mixture of sounds, and interfacing...

A New Speech Enhancement : Speech Stream Segregation (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Speech stream segregation is presented as a new speech enhancement for automatic speech recognition. Two issues are addressed: speech stream segregation from a mixture of sounds, and interfacing...

A New Speech Enhancement : Speech Stream Segregation (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

Speech stream segregation is presented as a new speech enhancement for automatic speech recognition. Two issues are addressed: speech stream segregation from a mixture of sounds, and interfacing...

Interfacing Sound Stream Segregation to Automatic Speech Recognition --- Preliminary Results on Listening to Several Sounds Simultaneously (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

This paper reports the preliminary results of experiments on listening to several sounds at once. Two issues are addressed: segregating speech streams from a mixture of sounds, and interfacing speech...

Interfacing Sound Stream Segregation to Automatic Speech Recognition --- Preliminary Results on Listening to Several Sounds Simultaneously (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

This paper reports the preliminary results of experiments on listening to several sounds at once. Two issues are addressed: segregating speech streams from a mixture of sounds, and interfacing speech...

Interfacing Sound Stream Segregation to Automatic Speech Recognition --- Preliminary Results on Listening to Several Sounds Simultaneously (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

This paper reports the preliminary results of experiments on listening to several sounds at once. Two issues are addressed: segregating speech streams from a mixture of sounds, and interfacing speech...

Interfacing Sound Stream Segregation to Automatic Speech Recognition --- Preliminary Results on Listening to Several Sounds Simultaneously (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

This paper reports the preliminary results of experiments on listening to several sounds at once. Two issues are addressed: segregating speech streams from a mixture of sounds, and interfacing speech...

Interfacing Sound Stream Segregation to Automatic Speech Recognition --- Preliminary Results on Listening to Several Sounds Simultaneously (1996)

Hiroshi G. Okuno, Tomohiro Nakatani, Takeshi Kawabata

This paper reports the preliminary results of experiments on listening to several sounds at once. Two issues are addressed: segregating speech streams from a mixture of sounds, and interfacing speech...

GTOP: a database of protein structures predicted from genome sequences

Kawabata, Takeshi, Fukuchi, Satoshi, Homma, Keiichi, Ota, Motonori, Araki, Jiro, Ito, Takehiko, ...

Large-scale genome projects generate an unprecedented number of protein sequences, most of them are experimentally uncharacterized. Predicting the 3D structures of sequences provides important clues...

MATRAS: a program for protein 3D structure comparison

Kawabata, Takeshi

The recent accumulation of large amounts of 3D structural data warrants a sensitive and automatic method to compare and classify these structures. We developed a web server for comparing protein 3D...

Analysis of Amino Acid Residues Involved in Catalysis of Polyethylene Glycol Dehydrogenase from Sphingopyxis terrae, Using Three-Dimensional Molecular Modeling-Based Kinetic Characterization of Mutants

Ohta, Takeshi, Kawabata, Takeshi, Nishikawa, Ken, Tani, Akio, Kimbara, Kazuhide, Kawai, Fusako

Polyethylene glycol dehydrogenase (PEGDH) from Sphingopyxis terrae (formerly Sphingomonas terrae) is composed of 535 amino acid residues and one flavin adenine dinucleotide per monomer protein in a...

GTOP: a database of protein structures predicted from genome sequences

Kawabata, Takeshi, Fukuchi, Satoshi, Homma, Keiichi, Ota, Motonori, Araki, Jiro, Ito, Takehiko, ...

Large-scale genome projects generate an unprecedented number of protein sequences, most of them are experimentally uncharacterized. Predicting the 3D structures of sequences provides important clues...

MATRAS: a program for protein 3D structure comparison

Kawabata, Takeshi

The recent accumulation of large amounts of 3D structural data warrants a sensitive and automatic method to compare and classify these structures. We developed a web server for comparing protein 3D...

Analysis of Amino Acid Residues Involved in Catalysis of Polyethylene Glycol Dehydrogenase from Sphingopyxis terrae, Using Three-Dimensional Molecular Modeling-Based Kinetic Characterization of Mutants

Ohta, Takeshi, Kawabata, Takeshi, Nishikawa, Ken, Tani, Akio, Kimbara, Kazuhide, Kawai, Fusako

Polyethylene glycol dehydrogenase (PEGDH) from Sphingopyxis terrae (formerly Sphingomonas terrae) is composed of 535 amino acid residues and one flavin adenine dinucleotide per monomer protein in a...

The first crystal structure of an archaeal helical repeat protein

Yoneda, Kazunari, Sakuraba, Haruhiko, Tsuge, Hideaki, Katunuma, Nobuhiko, Kuramitsu, Seiki, Kawabata, Takeshi, ...

The crystal structure of ST1625p, a protein encoded by a hypothetical open reading frame ST1625 in the genome of the hyperthermophilic archaeon Sulfolobus tokodaii, was determined at 2.2 Å...

Finding evolutionary relations beyond superfamilies: Fold-based superfamilies

Matsuda, Keiko, Nishioka, Takaaki, Kinoshita, Kengo, Kawabata, Takeshi, Go, Nobuhiro

Superfamily classifications are based variably on similarity of sequences, global folds, local structures, or functions. We have examined the possibility of defining superfamilies purely from the...

HOMCOS: a server to predict interacting protein pairs and interacting sites by homology modeling of complex structures

Fukuhara, Naoshi, Kawabata, Takeshi

As protein–protein interactions are crucial in most biological processes, it is valuable to understand how and where protein pairs interact. We developed a web server HOMCOS (Homology Modeling of...