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Table 3 Nucleic acid geometry of siRNAs targeting non-structural and accessory genes of SARS-CoV-2: The tertiary structural validation of siRNA molecules against NSP3, NSP4 NSP6, ORF3a, ORF7a, ORF8, and ORF10 genes of SARS-CoV-2 using the MolProbity server

From: An ncRNA transcriptomics-based approach to design siRNA molecules against SARS-CoV-2 double membrane vesicle formation and accessory genes

Target gene

NSP3

NSP4

NSP6

ORF3a

ORF7a

ORF8

ORF10

siRNA

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

Probably wrong sugar puckers

0

0

0

0

0

0

0

0

0

0

2*

2*

0

0

0

0

0

Bad backbone conformations

0

(0.00%)

0

(0.00%)

1

(4.76%)

0

(0.00%)

0

(0.00%)

1

(4.76%)

0

(0.00%)

1

(4.76%)

1

(4.76%)

2*

(9.52%)

8*

(38.10%)

6*

(28.57%)

0

(0.00%)

0

(0.00%)

5*

(23.81%)

1

(4.76%)

6*

(28.57%)

Bad bonds

0/495

(0.00%)

0/471

(0.00%)

0/494

(0.00%)

0/471

(0.00%)

0/489

(0.00%)

0/493

(0.00%)

0/481

(0.00%)

0/500

(0.00%)

0/484

(0.00%)

0/481 (0.00%)

0/503

(0.00%)

0/494

(0.00%)

0/492

(0.00%)

0/504

(0.00%)

0/497

(0.00%)

0/497

(0.00%)

0/508

(0.00%)

Bad angles

0/769

(0.00%)

0/728

(0.00%)

0/768

(0.00%)

0/728

(0.00%)

0/758

(0.00%)

0/765

(0.00%)

0/745

(0.00%)

0/777

(0.00%)

0/750

(0.00%)

0/745 (0.00%)

0/782

(0.00%)

0/767

(0.00%)

0/764

(0.00%)

0/785

(0.00%)

0/773

(0.00%)

0/772

(0.00%)

0/791

(0.00%)

Chiral volume outliers

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

0/104

  1. * The highlighted nucleic acid conformations (above the suggested threshold values) were detected in the tertiary structure of siRNAs, however, these percentages have not imposed any hinderance in the determination of siRNA-target hybridization at secondary structural level