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Table 3 Taxonomic distributions of helical substructures in RPR molecules (*)

From: The ancient history of the structure of ribonuclease P and the early origins of Archaea

Helical substructures

nd values

Archaea

Bacteria

Eukarya

  

Type A

Type M

Type A

Type B

Type C

Type E

P12

0.00

+

+

+

+

+

+

P1

0.05

+

+

+

+

+

+

P3

0.10

+

+

+

+

+

+

P4

0.15

+

+

+

+

+

+

P2

0.20

+

+

+

+

+

+

P10-11

0.25

+

+

+

+

+

+

P9

0.30

+

+

+

+

+

+

P8

0.35

+

-

+

+

+

+

P7

0.40

+

+

+

+

+

+

P5

0.45

+

+

+

+

+

+

P15

0.50

+

+

+

+

+

+

P6

0.55

+

-

+

-

+

-

P16

0.60

+

-

+

-

+

+

P17

0.65

+

-

+

-

+

-

P19

0.75

+

-

+

+

-

+

P13

0.75

-

-

+

-

-

-

P18

0.80

-

-

+

+

+

-

P16.1

0.80

+

-

+

-

-

-

P14

0.80

-

-

+

-

-

-

P16-17

0.85

-

-

+

-

-

-

P20

0.90

-

-

+

+

-

-

P15-16

0.90

+

-

-

-

-

-

P16.2

0.90

+

-

-

-

-

-

P5.1

0.95

-

-

-

+

-

-

P10.1

1.00

-

-

-

+

+

+

P15.1

1.00

-

-

-

+

+

-

  1. (*) - Substructures sampled in the present study are ordered by nd values. "+" and "-" indicate the presence or absence of the helical substructures, respectively.