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Table 1 Copy numbers of UPR genes

From: Comprehensive analysis of the endoplasmic reticulum stress response in the soybean genome: conserved and plant-specific features

Arabidopsis designation

Gene copy number in Arabidopsis

Gene copy number in soybean

Transducers/sensors

  bZIP17

1

-

  bZIP18

1

-

  bZIP17/28

-

2

  IRE1A

1

3

  IRE1B

1

1

Immediate downstream components

  bZIP60

1

1

  NAC103

1

4

  S1P

1

2

  S2P

1

1

  SAR1

2

10

  Sec12

3

1

Downstream components

1) Molecular chaperones/foldases

  BiP

3

4

  CRT

3

6

  CNX

4

11

  PDI

13

22

  PPI

1

2

  Erdj3

3

8

  GRP54

1

2

2) Folding of glycoproteins

  OST

2

4

  Glc-I

1

3

  Glc-II

3

5

  UGGT

1

3

3) ERAD

  MNS3

1

2

  MNS4

1

1

  MNS5

1

2

  EBS6/OS9

1

2

  EBS5/HRD3A

1

2

  HRD3B

1

Not found

  HRD1A-HRD1B

2

2

  Der

3

4

  PUXUBX2

15

17

  UBC32

1

4

  UBC33/34

2

2

  CDC48

3

10

  UFD1

4

6

  NPL4

2

2

  UDF2

1

2

  PNG1

1

2

  RAD23

4

7

  DSK2

2

4

ER stress/plasma membrane cooperative response

  NAC62

1

3