Influence of a steric hindrance in the chromophore of rhodopsin on the quantum yield of the primary photochemistry

✍ Scribed by Wolfgang Gärtner; Sabine Ternieden

• Book ID: 103994639
• Publisher: Elsevier Science
• Year: 1996
• Tongue: English
• Weight: 451 KB
• Volume: 33
• Category: Article
• ISSN: 1011-1344
• DOI: 10.1016/1011-1344(95)07225-x

✦ Synopsis

1'~. o tlcrivativcs ot'thc visual pipmcn~ rhodopsin have hccr~ prcturcd using the I Imtl ~hc O-c.is isorncrs of the chromophorc dcrivnlivc I ?-&n~hyl rctird. I'hc dcmcthylatcd retinal wns chosen in ortlcr IO prove whcrhcr rhc vised chromophorc rctind cnpcrlcnccs s;lcric hindrance OWII~: IO its I I -CIS gcomctry tdwccn the methyl group at priticm I? ;III~ rhc hytlropcn ;11o111 AI position IO. Such intcrxtion was supposctl to AX clcr;lk ;ud IO improve [ho phcltoisolncri7;Ition co111pmxt wi[h dlcr rctirml proteins with tlif'fcrclil(.is-rrctrrs pcomcrry ofthc chrcxnophorc.