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Table 1 Homogenous clusters formed using DBSCAN on the first two principal components, following labeling with ROStype

From: Adaptations of Escherichia coli strains to oxidative stress are reflected in properties of their structural proteomes

Protein group

Protein count

Cluster count

V-measure

COG I (Lipid transport and metabolism)

97

2

0.33

Metabolism - Murein recycling

40

3

0.30

Manganese-binding enzymes

33

2

0.29

Fimbriae assembly proteins

39

4

0.29

Metabolism - All metabolic proteins

1515

2

0.27

All metal-binding proteins

590

3

0.27

COG P (Inorganic ion transport and metabolism)

198

2

0.27

Metabolism - Inner membrane transport

299

2

0.26

All periplasmic proteins

315

3

0.14

Molybdenum-binding enzymes

14

4

0.14

  1. For ROStypes, both high and low predictions were considered the same label in homogeneity measurements. If a ROStype is unavailable for a strain, it was excluded from the homogeneity measurements. A V-measure is the harmonic mean of clustering homogeneity and completeness measures [49].