COUPLING OF STEREOCHEMISTRY AND PROTON DONOR-ACCEPTOR PROPERTIES OF A SCHIFF-BASE - MODEL OF A LIGHT-DRIVEN PROTON PUMP

被引:81
作者
ORLANDI, G [1 ]
SCHULTEN, K [1 ]
机构
[1] MAX PLANCK INST BIOPHYS CHEM, D-3400 GOTTINGEN, FED REP GER
关键词
D O I
10.1016/0009-2614(79)80534-5
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
On the basis of MINDO/3, MINDO/3 CI and MNDO calculations it is demonstrated that the (photo-)isomerization (single and double bond rotations) of a Schiff base polyene depends strongly on the protonation state. The results are pertinent to the ground state behaviour and the photobehaviour of retinal in bacteriorhodopsin, a protein which acts as a light-driven proton pump in Halobacterium halobium. © 1979.
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页码:370 / 374
页数:5
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