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SASDK33 – double Element for Nuclear Expression (dENE) Mutant B

B dENE experimental SAS data
B dENE Kratky plot
Sample: B dENE monomer, 24 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at 16-ID (LiX), National Synchrotron Light Source II (NSLS-II) on 2019 Sep 20
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 2.9 nm
Dmax 10.8 nm

SASDK43 – double Element for Nuclear Expression (dENE) Mutant B + Poly(A)30

B dENE + Poly(A)30 experimental SAS data
B dENE + Poly(A)30 Kratky plot
Sample: B dENE + Poly(A)30 monomer, 34 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at 16-ID (LiX), National Synchrotron Light Source II (NSLS-II) on 2019 Sep 20
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.2 nm
Dmax 11.8 nm

SASDK63 – double Element for Nuclear Expression (dENE) Mutant C

C dENE experimental SAS data
C dENE Kratky plot
Sample: C dENE monomer, 29 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at 16-ID (LiX), National Synchrotron Light Source II (NSLS-II) on 2019 Sep 20
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.4 nm
Dmax 12.4 nm

SASDK73 – double Element for Nuclear Expression (dENE) Crystal Structure

Xtal dENE experimental SAS data
Xtal dENE Kratky plot
Sample: Xtal dENE monomer, 28 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at G1, Cornell High Energy Synchrotron Source (CHESS) on 2019 Dec 5
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.1 nm
Dmax 11.0 nm

SASDK83 – double Element for Nuclear Expression (dENE) Mutant C + Poly(A)30

C dENE + Poly(A)30 experimental SAS data
C dENE + Poly(A)30 Kratky plot
Sample: C dENE + Poly(A)30 monomer, 39 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at 16-ID (LiX), National Synchrotron Light Source II (NSLS-II) on 2019 Sep 20
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.6 nm
Dmax 14.8 nm

SASDKA3 – double Element for Nuclear Expression (dENE) Crystal Structure + Poly(A)25

Xtal dENE + Poly(A)25 experimental SAS data
Xtal dENE + Poly(A)25 Kratky plot
Sample: Xtal dENE + Poly(A)25 monomer, 36 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at G1, Cornell High Energy Synchrotron Source (CHESS) on 2019 Dec 5
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.3 nm
Dmax 12.4 nm

SASDKB3 – double Element for Nuclear Expression (dENE) Crystal Structure + Poly(A)30

Xtal dENE + Poly(A)30 experimental SAS data
Xtal dENE + Poly(A)30 Kratky plot
Sample: Xtal dENE + Poly(A)30 monomer, 38 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at G1, Cornell High Energy Synchrotron Source (CHESS) on 2019 Dec 5
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.5 nm
Dmax 13.2 nm

SASDKC3 – double Element for Nuclear Expression (dENE) Mutant A + Poly(A)25

A dENE + Poly(A)25 experimental SAS data
A dENE + Poly(A)25 Kratky plot
Sample: A dENE + Poly(A)25 monomer, 36 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at 16-ID (LiX), National Synchrotron Light Source II (NSLS-II) on 2019 Jun 7
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.3 nm
Dmax 12.4 nm

SASDKD3 – double Element for Nuclear Expression (dENE) Mutant B + Hairpin - Poly(A)30

B dENE + Hairpin - Poly(A)30 experimental SAS data
B dENE + Hairpin - Poly(A)30 Kratky plot
Sample: B dENE + Hairpin - Poly(A)30 monomer, 39 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at 16-ID (LiX), National Synchrotron Light Source II (NSLS-II) on 2019 Sep 20
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.5 nm
Dmax 14.0 nm

SASDKE3 – double Element for Nuclear Expression (dENE) Crystal Structure + Poly(A)20

Xtal dENE + Poly(A)20 experimental SAS data
Xtal dENE + Poly(A)20 Kratky plot
Sample: Xtal dENE + Poly(A)20 monomer, 34 kDa RNA
Buffer: 50 mM KCl, 1.0 mM MgCl2, 10 mM MOPS, 25 uM EDTA, pH: 7
Experiment: SAXS data collected at G1, Cornell High Energy Synchrotron Source (CHESS) on 2019 Dec 5
Structural analyses of an RNA stability element interacting with poly(A) Proceedings of the National Academy of Sciences 118(14):e2026656118 (2021)
Torabi S, Chen Y, Zhang K, Wang J, DeGregorio S, Vaidya A, Su Z, Pabit S, Chiu W, Pollack L, Steitz J
RgGuinier 3.2 nm
Dmax 11.8 nm