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Table 1 Signal peptide-containing proteins in individual and core secretomes. Only sequences containing 0–2 transmembrane domains (TMDs) as predicted by TMHMM are shown.

From: Comparative secretome analysis suggests low plant cell wall degrading capacity in Frankia symbionts

Function

CcI3*

ACN*

EAN*

Core secretome†

Core Frankia-specific‡

Cell Wall/Growth

14 (4)

13 (6)

15 (8)

17

6

Hydrolase

10 (9)

17 (9)

21 (6)

12

4

Metabolism

42 (99)

55 (159)

56 (163)

59

7

Regulation

10 (15)

13 (19)

11 (20)

10

2

Solute-binding

18 (1)

28 (8)

62 (12)

14

4

Hypothetical

103 (110)

153 (177)

181 (175)

49

29

Total

197 (238)

279 (378)

346 (384)

161

52

  1. * Numbers outside parentheses are predicted to contain signal peptides by both SignalP methods (NN and HMM); numbers inside parentheses are additional proteins predicted to contain a signal peptide by only one method.
  2. † Orthologous proteins present in all strains with a signal peptide predicted in two or three strains
  3. ‡ Frankia-specific: when CcI3 sequences from the core secretome list were BLAST searched against four closest actinobacterial relatives, no hits retrieved at an E value cutoff of 10-20