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Table 4 Local structural alignment of the predicted active site residues by SALSA for a known ECH from Rattus norvegicus (PDB ID 1ey3) with predicted residues for a Structural Genomics protein from Mycobacterium avium (PDB ID 3q1t), reported to be an ECH.

From: Protein function annotation with Structurally Aligned Local Sites of Activity (SALSAs)

Spatial Positions→

1

2

3

4

5

6

7

8

9

Known ECH (1ey3)

A98

g141

E144

C149

D150

E164

R178

k241

N245

SG protein "ECH" (3q1t)

G76

A123

V126

a131

D132

H146

C160

k223

n227

  1. Known catalytic residues are shown in boldface. Residues predicted by POOL are in uppercase; residues not predicted are in lowercase. Note the poor match between the residues of the SG protein with those of the representative ECH.