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E222K
modification of beta-subunit, mutation assembles an F1 of normal size that is catalytically inactive
G133D
modification of beta-subunit, mutation correlates with an assembly-defective phenotype that is characterized by the acumulation of the F1 alpha and beta subunits in large protein aggregates
G227D
modification of beta-subunit, mutation correlates with an assembly-defective phenotype that is characterized by the acumulation of the F1 alpha and beta subunits in large protein aggregates
P179L
modification of beta subunit, mutation correlates with an assembly-defective phenotype that is characterized by the acumulation of the F1 alpha and beta subunits in large protein aggregates
R293K
modification of beta-subunit, mutation assembles an F1 of normal size that is catalytically inactive
A49G/L87S/R246K/N268Y/V312F
-
the mutant is resistant towards zinc
A49T/R60S/W83R/Q132H/V163I/H236N/L296M/T338A
-
the mutant is resistant towards zinc
A49V/K362N/Q379R/I393V
-
the mutant is resistant towards zinc
D205V/D401Y/N415D
-
the mutant is resistant towards zinc
D218V
-
the mutant shows 85% of wild type ATPase activity
D249G
-
the mutant shows 64% of wild type ATPase activity
D46E/F50L/S198R/D217V/Y238F/K298E/T345A/T405M/L418P
-
the mutant is resistant towards zinc
E127V/A168T/L314Q/H344Y/H351Q
-
the mutant is resistant towards zinc
E220V
-
the mutant shows 73% of wild type ATPase activity
E76V/A79P/N164D/E340D/Q341K/H344Y/I403V
-
the mutant is resistant towards zinc
F50L/Q152L/F203L/L259S/E409D
-
the mutant is resistant towards zinc
G80D
-
the mutant shows 90% of wild type ATPase activity
G80D/E220V
-
the mutant shows 50% of wild type ATPase activity
G80D/E220V/M221V
-
the mutant shows 10% of wild type ATPase activity
G80D/K209E
-
the double mutant shows increased coupling efficiency of proton transport and ATPase activity
H88L/I193S/Q209H/V303A/D337Y/I417N
-
the mutant is resistant towards zinc
H88L/Q150L/W257L/I304L/T324A
-
the mutant is resistant towards zinc
I188N
-
the mutant shows 62% of wild type ATPase activity
I188N/I173N/A232T
-
the mutant shows 20% of wild type ATPase activity
I188N/R198G
-
the mutant shows 15% of wild type ATPase activity
I86F
-
the mutant is resistant towards zinc
I86N/G212D
-
the mutant is resistant towards zinc
K209E
-
the mutant shows 110% of wild type ATPase activity
K210E
-
the mutant shows 95% of wild type ATPase activity
K210E/D218V
-
the mutant shows 42% of wild type ATPase activity
L149V
-
the mutant shows wild type ATPase activity
L149V/D249G
-
the mutant shows 55% of wild type ATPase activity
L149V/E182D/D249G
-
the mutant shows 35% of wild type ATPase activity
L43P/K121R
-
the mutant is resistant towards zinc
L47S/D146Y/Q379R
-
the mutant is resistant towards zinc
N100I
-
the mutant shows 60% of wild type ATPase activity
N117S/Q152L/L276M/F414S
-
the mutant is resistant towards zinc
N56T/P110H/I176V/L307I/N372D/N415D
-
the mutant is resistant towards zinc
N72I/N117S/I329M/N415D
-
the mutant is resistant towards zinc
P179S
-
the mutant shows 60% of wild type ATPase activity
Q98H/K299R/K310N/H351R/K362N/Q379K
-
the mutant is resistant towards zinc
R198G
-
the mutant shows 96% of wild type ATPase activity
R59G/L218I/N415D
-
the mutant is resistant towards zinc
R735A
-
the mutant is fully assembled but is totally devoid of proton transport and ATPase activity
R735C
-
the mutant is fully assembled but is totally devoid of proton transport and ATPase activity
R735E
-
the mutant is fully assembled but is totally devoid of proton transport and ATPase activity
R735K
-
the mutant, although completely inactive for proton transport, retains 24% of wild type ATPase activity
R735L
-
the mutant is fully assembled but is totally devoid of proton transport and ATPase activity
R735N
-
the mutant is fully assembled but is totally devoid of proton transport and ATPase activity
R735Q
-
the mutant is fully assembled but is totally devoid of proton transport and ATPase activity
R762A
-
the mutant retains full wild type ATPase activity and about 90% of wild type proton transport activity
R762K
-
the mutant retains about 80% of wild type ATPase activity and about 80% of wild type proton transport activity
R762L
-
the mutant retains about 75% of wild type ATPase activity and about 85% of wild type proton transport activity
R799A
-
the mutant is almost totally devoid of proton transport and ATPase activity
R799K
-
the mutant, which is almost completely inactive for proton transport, retains about 10% of wild type ATPase activity
R799L
-
the mutant is totally devoid of proton transport and ATPase activity
T124S/T219A/I417N
-
the mutant is resistant towards zinc
V104E
-
the mutant shows wild type ATPase activity
V71D
-
the mutant shows 30% of wild type ATPase activity
V71D/E220V/M221V
-
the mutant shows 7% of wild type ATPase activity
M221V
-
the mutant shows 50% of wild type ATPase activity
M221V
-
the mutation leads to significant uncoupling of proton transport and ATPase activity
V71D/E220V
-
the mutant shows 20% of wild type ATPase activity
V71D/E220V
-
the mutations lead to significant uncoupling of proton transport and ATPase activity
additional information
-
hybrid vacuolar H+-ATPase containing the mouse testis-specific E1 isoform and yeast subunits shows a defective assembly, reversible defect of the hybrid V-ATPase. Glucose depletion, known to dissociate V1 from Vo in yeast, has only a slight effect on the hybrid at acidic pH. The domain between Lys26 and Val83 of E1, which contains eight residues not conserved between E1 and E2, is responsible for the unique properties of the hybrid, while the E2 domain in E2/VMA4-2 chimera corresponding to between Lys26 and Val83 of E1 has no effect on the assembly of the V-ATPase. The mutant shows a temperature-sensitive defect
additional information
-
mutations in the profilin-like region, actin-binding domain, of the B subunit reduced or eliminated the actin-binding activity. Mutants assemble properly with endogenous yeast subunits when expressed in B subunit-null yeast, and bafilomycin-sensitive ATPase activity is not significantly different from yeast transformed with wild-type B subunit. Yeast containing the mutant subunits grow as well at pH 7.5 as wild-type. Mutant B subunits are more sensitive to cycloheximide and wortmannin than those transformed with wild-type B subunits
additional information
-
human pigment epithelium-derived factor is immobilized on the surface of a CM5 sensor chip revealing binding response units for the yeast F1-ATPase showing specific, reversible and concentration-response binding of F1 to PEDF
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Saccharomyces cerevisiae, Homo sapiens, Rattus norvegicus
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Saccharomyces cerevisiae, Saccharomyces cerevisiae SF838-1Dalpha
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