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- A Role for Internal Water Molecules in Proton Affinity Changes in the Schiff Base and Asp85 for One-way Proton Transfer in Bacteriorhodopsin[dagger]
- ABSTRACT Light-induced proton pumping in bacteriorhodospin is carried out through five proton transfer steps. We propose that the proton transfer to Asp85 from the Schiff base in the L-to-M transition is accompanied by the relocation of a water cluster on the cytoplasmic side of the Schiff base from a site...
- Research articles 2008-07-01
- Water as a Cofactor in the Unidirectional Light-Driven Proton Transfer Steps in Bacteriorhodopsin[dagger]
- ABSTRACT Recent evidence for involvement of internal water molecules in the mechanism of bacteriorhodopsin is reviewed. Water O-H stretching vibration bands in the Fourier transform IR difference spectra of the L, M and N intermediates of bacteriorhodopsin were analyzed by photoreactions at cryogenic temperatures. A broad vibrational band in L...
- Research articles 2006-11-01
- Trapping and spectroscopic identification of the photointermediates of bacteriorhodopsin at low temperatures
- Invited Review ABSTRACT Light-driven transmembrane proton pumping by bacteriorhodopsin occurs in the photochemical cycle, which includes a number of spectroscopically identifiable intermediates. The development of methods to crystallize bacteriorhodopsin have allowed it to be studied with highresolution X-ray diffraction, opening the possibility to advance substantially our knowledge of the structure...
- Research articles 2001-05-01
- Water and carboxyl group enviornments in the dehydration blueshift of bacteriorhodopsin
- Water and Carboxyl Group Environments in the Dehydration Blueshift of Bacteriorhodopsinpara ABSTRACT The proton channels of the bacteriorhodopsin BR proton pump contain bound water molecules. The channels connect the purple membrane surfaces with the protonated retinal Schiff base at the membrane center. Films of purple membrane equilibrated at low relative...
- Research articles 2000-11-01
Additional Resources
- VIETNAM: Joint venture construction start-up on planned $182,000,000 international airport upgrade project is tentatively scheduled to begin in September 2004, KAJIMA CORP., TAISEI CORP., OBAYASHI CORP. & MAEDA CORP. [Japan] Order #: 084004.
- PROJECT OVERVIEW: Once viewed as an obscure destination, Vietnam has become popular with tourists and business travelers prompting the Vietnamese government to improve its aviation infrastructure. As a result, a construction contract to upgrade the country's biggest international airport was recently awarded...
- Research articles 2004-08-01
- HONG KONG: CONSTRUCTION CONTRACT AWARD FOR PLANNED $272,000,000 VIADUCT PROJECTS, KOWLOON-CANTON RAILWAY CORP. (KCRC), CHUN WO CONSTRUCTION AND ENGINEERING [HONG KONG] & MAEDA CORP. [JAPAN] - Order #: 093099.
- PROJECT OVERVIEW: The local KOWLOON-CANTON RAILWAY CORP. KCRC is currently involved in the development of its planned $8,300,000,000 West Rail Project. In so doing, the corporation recently awarded a couple of viaduct construction contracts to a Japanese/Hong Kong joint venture. The ...
- Research articles 1999-09-01
- HONG KONG: CONSTRUCTION CONTRACT AWARD FOR PLANNED $272,000,000 VIADUCT PROJECTS, KOWLOON-CANTON RAILWAY CORP. (KCRC), CHUN WO CONSTRUCTION AND ENGINEERING [HONG KONG] & MAEDA CORP. [JAPAN] - Order #: 093099.
- PROJECT OVERVIEW: The local KOWLOON-CANTON RAILWAY CORP. KCRC is currently involved in the development of its planned $8,300,000,000 West Rail Project. In so doing, the corporation recently awarded a couple of viaduct construction contracts to a Japanese/Hong Kong joint venture. The ...
- Research articles 1999-09-01
- Maeda to hire 500 skilled home builders.
- TOKYO, Jan. 8 Kyodo (EDS: INQUIRIES AT 0120-817048) Bucking growing personnel cuts in the private sector, Maeda Corp. plans to hire some 500 skilled home builders in 13 cities across Japan over the next three years in a bid to overcome the ...
- Research articles 2002-01-14
- LEAD: Toyo Construction seeking financial help from creditors.
- TOKYO, June 10 Kyodo (EDS: UPDATING AFTER ANNOUNCEMENTS BY TOYO AND MAEDA) Midsize contractor Toyo Construction Co. said Tuesday it will seek 28 billion yen from creditor banks and issue new shares to move under the wing of second-tier contractor Maeda Corp. ...
- Research articles 2003-06-16
- Toyo Construction Co. Seeks Financial Help from Creditors.
- Kyodo News International, Tokyo Knight Ridder/Tribune Business News Jun. 10--TOKYO--Midsize contractor Toyo Construction Co. said Tuesday it will seek 28 billion yen from creditor banks and issue new shares to move under the wing of second-tier contractor Maeda Corp. Toyo...
- Research articles 2003-06-10
- Lower house panel to summon heads of Mizuho, Softbank, others.
- TOKYO, June 7 Kyodo A lower house panel plans to summon Terunobu Maeda, president of Mizuho Holdings Inc., Masayoshi Son, president of Softbank Corp., and Hiroshi Maruyama, president of Aozora Bank, to its meeting Wednesday as unsworn witnesses, committee officials said Friday. ...
- Research articles 2002-06-10
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