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Table IV (A) Water involved in the interaction inside active site cleft of the enzyme-inhibitor complexes

From: Insight to structural subsite recognition in plant thiol protease-inhibitor complexes : Understanding the basis of differential inhibition and the role of water

Papain + Leupeptin[34]

Distances in Ã…

Subsites of inhibitor

   

in interaction

Leup:3Arg:NE

419:OH2

3.28*

P1

Leup:3Arg:NH1

437:OH2

2.67*

P1

Caricain + Leupeptin

  

Leup:3Arg:NE

439:OH2

3.21*

P1

Leup:3Arg:NE

411:OH2

2.85*

P1

Leup:3Arg:NH1

1365:OH2

2.92*

P1

Leup:3Arg:NH2

439:OH2

2.85

P1

Leup:3Arg:O

1313:OH2

2.63**

P1

Leup:Ac:O

1293:OH2

2.86

P3

Caricain:157:Val:O

1293:OH2

2.78

 

Chymopapain + Leupeptin

  

Leup:3Arg:NE

1288:OH2

3.05*

P1

Leup:3Arg:NH1

1324:OH2

2.99*

P1

Leup:3Arg:NH2

1288:OH2

3.01

P1

Leup:3Arg:NH2

1397:OH2

3.19

P1

Leup:3Arg:O

1505:OH2

2.98**

P1

1324:OH2

1402:OH2

2.74

 

Leup:1Leu:N

1402:OH2

3.32

P2

Leup:Ac:O

1437:OH2

3.13

P3

Chymo:66:Gly:O

1437:OH2

2.74

 

Actinidin + Leupeptin

  

Leup:3Arg:NH1

1249:OH2

2.83*

P1

Leup:3Arg:NH1

1303:OH2

2.86*

P1

Act:158:O

1303:OH2

2.72

 

Leup:3Arg:NH2

1249:OH2

3.01

P1

Leup:3Arg:NH2

1593:OH2

3.11

P1

Leup:3Arg:O

186:OH2

3.26**

P1

Leup:Ac:O

1391:OH2

3.28

P3

Calotropin DI + Leupeptin

  

Leup:3Arg:NE

1370:OH2

3.23*

P1

Leup:3Arg:NH1

1370:OH2

3.17*

P1

Leup:3Arg:NH1

1553:OH2

3.49*

P1

Leup:3Arg:NH1

1435:OH2

3.37

P1

Leup:3Arg:NH2

437:OH2

2.56

P1

Leup:3Arg:O

1320:OH2

3.33**

P1

Leu :Ac :O

1595 :O1

3.00

P3

1595 :OH2

CaloDI:67:Tyr :OH

3.49

 

Leup:Ac:O

CaloDI:67:TYR:OH

3.22

P3