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Table 1 Intra-organelle pH and membrane charge

From: Localization-specific distributions of protein pI in human proteome are governed by local pH and membrane charge

Compartment

pH (2009)

pH (2015)

Charge, %

Cytoplasm

7.3

7.2

0.0

Nucleus

7.7

7.2

17.4

E.R.

7.1

7.2

17.4

MX

7.5

8.0

10.0

Golgi

6.6

6.0–6.7

10.0

Peroxisome

8.2

7.0

2.0

Lysosome

4.8

4.7

4.7

Membrane

8.5