1989
DOI: 10.1016/s0021-9258(19)84851-2
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The sidedness of the COOH terminus of the acetylcholine receptor δ subunit

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Cited by 68 publications
(21 citation statements)
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“…Our observation that the carboxy termini of the a and S subunits are located on the lumenal side ofthe membrane are supported by previous experiments demonstrating that the AChR oligomers of Torpedo are linked as dimers via an extracellular disulfide bond between cysteine residues near the carboxy terminus ofneighboring S subunits (16,23,37) . Earlier reports based on immunocytochemical localization (47,48,56) placed the carboxy terminus on the cytoplasmic side of the membrane.…”
Section: Discussionsupporting
confidence: 86%
See 1 more Smart Citation
“…Our observation that the carboxy termini of the a and S subunits are located on the lumenal side ofthe membrane are supported by previous experiments demonstrating that the AChR oligomers of Torpedo are linked as dimers via an extracellular disulfide bond between cysteine residues near the carboxy terminus ofneighboring S subunits (16,23,37) . Earlier reports based on immunocytochemical localization (47,48,56) placed the carboxy terminus on the cytoplasmic side of the membrane.…”
Section: Discussionsupporting
confidence: 86%
“…An amphipathic transmembrane domain between M3 and M4 (designated MA) was proposed on the basis of primary sequence analysis (17,22), placing the carboxy terminus on the cytoplasmic side of the membrane. Epitope mapping experiments support models with a pair of transmembrane domains in the region before Ml (12,44,48), and other immunochemical and biochemical experiments support models with zero (48), one (16,37), or two (17,22,56) transmembrane domains beyond M3. Thus, models with three to seven transmembrane domains can be constructed .…”
mentioning
confidence: 70%
“…The Torpedo AChR is a multi-subunit integral membrane glycoprotein with four homologous polypeptide subunits, designated a, ,B, y, and 6, with a relative stoichiometric ratio of a2g'A (for recent reviews see Stroud et al, 1990;Galzi et al, 1991;Lingle et al, 1992;Pradier and McNamee, 1992;Unwin, 1993a). A generally accepted model for the topology of all subunits assumes that the transmembrane domains of each subunit are composed of four hydrophobic domains (Ml, M2, M3, M4) (Claudio et al, 1983;Devillers-Thiery et al, 1983;Noda et al, 1983), and that both the N-and C-terminals are located on the extracellular side (DiPaola et al, 1989; see Fig. 1).…”
Section: Introductionmentioning
confidence: 99%
“…Η ανάλυση του διαγράμματος υδροφοβικότητας της α υπομονάδας του Torpedo nAChR επιβεβαίωσε την αρχική πρόβλεψη για τη διαμεμβρανική τοπογραφία των διάφορων nAChR υπομονάδων (Noda et al 1983a, Devillers-Thiery et al 1983, Finer-Moore and Stroud 1984. Έτσι, κάθε nAChR υπομονάδα αποτελείται από τέσσερις διαμεμβρανικές υδρόφοβες περιοχές (Μ1-Μ4), μήκους ~15-20 αμινοξέα έκαστη, από μία αμινοτελική υδρόφιλη περιοχή μήκους ~210 αμινοξέων, από μία μικρή υδρόφιλη περιοχή μεταξύ των Μ3 και Μ4 περιοχών στην οποία εντοπίζονται και οι θέσεις φωσφορυλίωσης των nAChR υπομονάδων (Finer- Stroud 1984, Yee andHuganir, 1987) και από ένα υδρόφιλο καρβόξυ-τελικό άκρο μήκους ~4-28 αμινοξικών καταλοίπων (DiPaola et al 1989).…”
Section: πρωτοταγής δομή των Nachr υπομονάδωνunclassified