RPE65 is the enzyme in the pigment epithelial cells of the retina that catalyzes the isomerization of the intermediate esterified all-trans retinol to 11-cis-retinol.

TLS Online TPP Program

#Id: 1313

#XL - T Zoology

Two large classes of GTPase switch proteins-

Heterotrimeric G proteins

Monomeric G proteins

TLS Online TPP Program

#Id: 1314

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GTP-binding switch proteins contains two domain-

Switch I- Thr-35

Switch II- Gly-60 

TLS Online TPP Program

#Id: 1315

#XL - T Zoology

GTPase superfamily of proteins- eIF2, EF1α, EF2, Ran, Sar, Rab, Rho, Rac, Cdc42

TLS Online TPP Program

#Id: 1316

#XL - T Zoology

G protein coupled receptor contains seven membrane-spanning α helices & heterotrimeric G protein.

TLS Online TPP Program

#Id: 1317

#XL - T Zoology

Muscarinic acetylcholine receptor is coupled to a Gαi protein.

TLS Online TPP Program

#Id: 1318

#XL - T Zoology

Rod cells sense light via light-sensitive GPCR known as Rhodopsin.