ABCA4 p.Arg2107Pro
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PMID: 24097981
[PubMed]
Quazi F et al: "Differential phospholipid substrates and directional transport by ATP-binding cassette proteins ABCA1, ABCA7, and ABCA4 and disease-causing mutants."
No.
Sentence
Comment
65
Mutations introduced by overlap extension PCR using Pfu AD DNA polymerase in ABCA1 included S100C, W590S, F593L, N935S, T929I, C1477R, T1512M, R2081W, and P2150L.
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ABCA4 p.Arg2107Pro 24097981:65:136
status: NEW66 Corresponding ABCA4 mutations determined by amino acid alignment with ABCA1 included S100P, W605S, F608L, T959I, N965S, C1502R, T1537M, R2107P, and P2180L.
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ABCA4 p.Arg2107Pro 24097981:66:136
status: NEW220 Error bars show S.E. Lipid Transport Activity of ABCA Transporters 34420 gardt disease (S100P, F608L, N965S, T959I, T1537M, and R2107P) (Fig. 6A, red).
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ABCA4 p.Arg2107Pro 24097981:220:129
status: NEW223 Finally, the null mutant C1502X associated with Stargardt disease was modified to C1502R to reflect the primary sequence change of the corresponding C1477R mutant in ABCA1 linked to Tangier disease.
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ABCA4 p.Arg2107Pro 24097981:223:129
status: NEW226 The levels of expression of the ABCA1 and ABCA4 mutants were generally lower than the corresponding WT proteins with the ABCA1 mutants S100C and R2081W and the corresponding ABCA4 mutants S100P and R2107P expressing at levels less than 25% of WT and the remaining mutants expressing in the range of 35-90% of the WT proteins.
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ABCA4 p.Arg2107Pro 24097981:226:198
status: NEW229 Variants in the ECD1 (S100C, W590S, and F593L), NBD1 (T929I and N935S), and NBD2 (R2081W) of ABCA1 showed significantly reduced ATPase activities in the range of 20-35% of WT activity (Fig. 7A).
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ABCA4 p.Arg2107Pro 24097981:229:198
status: NEW239 In contrast, some of the mutants, including ABCA1 mutants T929I and R2081W and related ABCA4 mutants T959I and R2107P, showed partial or complete co-localization with calnexin in a reticular pattern characteristic of the ER.
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ABCA4 p.Arg2107Pro 24097981:239:111
status: NEW68 Corresponding ABCA4 mutations determined by amino acid alignment with ABCA1 included S100P, W605S, F608L, T959I, N965S, C1502R, T1537M, R2107P, and P2180L.
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ABCA4 p.Arg2107Pro 24097981:68:136
status: NEW237 As shown in Fig. 8, A and B, the Fl-PC flippase activity of the ABCA1 mutants and the Fl-PE flippase activity of ABCA4 mutants have a similar profile with the ABCA1 variants C1477R, T1512M, and P2150L and corresponding ABCA4 variants C1502R, T1537M, and P2180L showing transport activities ranging from 60 to 80% of the WT protein and the other mutants showing reduced activity in the range of 20-40% of the WT protein.
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ABCA4 p.Arg2107Pro 24097981:237:111
status: NEW242 In contrast, some of the mutants, including ABCA1 mutants T929I and R2081W and related ABCA4 mutants T959I and R2107P, showed partial or complete co-localization with calnexin in a reticular pattern characteristic of the ER.
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ABCA4 p.Arg2107Pro 24097981:242:111
status: NEW218 Error bars show S.E. Lipid Transport Activity of ABCA Transporters 34420 gardt disease (S100P, F608L, N965S, T959I, T1537M, and R2107P) (Fig. 6A, red).
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ABCA4 p.Arg2107Pro 24097981:218:129
status: NEW224 The levels of expression of the ABCA1 and ABCA4 mutants were generally lower than the corresponding WT proteins with the ABCA1 mutants S100C and R2081W and the corresponding ABCA4 mutants S100P and R2107P expressing at levels less than 25% of WT and the remaining mutants expressing in the range of 35-90% of the WT proteins.
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ABCA4 p.Arg2107Pro 24097981:224:198
status: NEW