Number of transducin molecules that one single molecule of the light-activated receptor rhodopsin can turn over in intact rod cells
|
Toad Bufo marinus |
>3,000 |
transducins/rhodopsin |
110989 |
Kahlert, M., and K. P.... |
Quantitive parameters of photoactivation and photoactivated Rhodopsin molecule (R*) (sight related)
|
Mammals |
Table - link |
N/A |
109793 |
R. W. Rodieck, The first... |
Molecular mass of protein corresponding to 1 mole of chlorophyll and light harvesting carotenoid in light-harvesting and reaction centre pigment–protein complexes in organisms with rhodopsin ion pumps
|
prokaryote |
26 |
kDa |
105059 |
John A. Raven Functional... |
Increase in hydrogen productivity when introducing a PPR [proton-pumping rhodopsin] system together with an oxygen-tolerant hydrogenase in light
|
Bacteria Escherichia coli |
30 |
% |
111700 |
Claassens NJ, Volpers M... |
Experimental measurements of the rate of activation of the G-protein per Rh*
|
vertebrates |
Table - link |
N/A |
107938 |
Pugh EN Jr, Lamb TD.... |
Experimental measurements of the rate of activation of catalytic subunits of PDE per Rh*
|
Amphibians |
Table - link |
N/A |
107939 |
Pugh EN Jr, Lamb TD.... |
Regeneration of visual pigments to achieve complete dark adaptation
|
Human Homo sapiens |
~40 |
min |
111394 |
Saari JC. Biochemistry... |
Regeneration time of visual pigment
|
Human Homo sapiens |
rhodopsin 40min: cone pigment ~8min |
minutes |
111347 |
Rushton WAH. Dark-adaptation... |
Length of photocycle of proteorhodopsin
|
Generic |
15 |
msec |
103732 |
Béjà O, Aravind L, Koonin EV... |
Number of photons that must enter the eye in order to generate an observed reproducible physiological response
|
Human Homo sapiens |
~100 |
photons |
110983 |
Stuart JA, Brige RR (1996).... |
Number of PPRs [proton-pumping rhodopsins] in specialized purple membrane
|
Archaea Halobacterium salinarum |
>100,000 |
PPRs/cell |
111697 |
Claassens NJ, Volpers M... |
Intramembrane cross-sectional area of bacteriorhodopsin
|
Unspecified |
690 |
Å^2 |
103606 |
Marsh D. Lateral pressure... |
Length of photocycle of transport Rhodopsins
|
Generic |
<=20 |
msec |
103730 |
Béjà O, Aravind L, Koonin EV... |
Length of photocycle of sensory rhodopsins
|
Generic |
>=300 |
msec |
103731 |
Béjà O, Aravind L, Koonin EV... |
Light saturated specific reaction rate of overall photochemical reaction for non cyclic electron transport
|
Unspecified |
300 (Table - link) |
Sec^-1 |
105051 |
John A. Raven Functional... |
Quantitation of the Major ROS (Rod Outer Segment) Proteins
|
Bullfrog Rana catesbeiana |
Table - link |
N/A |
107942 |
Hamm HE, Bownds MD. Protein... |
Free level of Ca2+ in rod cells in darkness
|
vertebrates |
~0.5 |
μM |
107394 |
Baylor D. How photons... |
Non cyclic electron transport flux from cytosol (water) to NADP+
|
Unspecified |
1.5 (Table - link) |
µmol electrons/(m^2×sec) |
105054 |
John A. Raven Functional... |
Non cyclic H+ transport flux from cytosol (water) to NADP+
|
Unspecified |
4.5 (Table - link) |
µmol H+/(m^2×sec) |
105055 |
John A. Raven Functional... |
Mean activation time in situ of one Gt (transducin) molecule
|
vertebrates |
~1 |
millisec/transducin |
111000 |
Kahlert, M., and K. P.... |