Table 1 E. coli Strains and Plasmid Vectors used in this Study

From: Genetic and structural insights into the functional importance of the conserved gly-met-rich C-terminal tails in bacterial chaperonins

Name

Description

Source or Reference

Strains

E. coli AI90

groEL deletion strain - groEL on a p15A camR shelter plasmid is regulated by Plac promoter

42

E. coli LG6

Chromosomal groES/L operon under lactose/IPTG inducible Plac promoter

14

E. coli MGM100

Chromosomal groES/L operon under arabinose inducible PBAD promoter

43

E. coli SV2

B178 derived temperature sensitive strain having groEL44 allele encoding GroEL E191G

45

E. coli A7579

C600 derived temperature sensitive strain having groEL100 allele encoding GroEL S201F

46

Plasmid Vectors

 pBAD24

L-arabinose inducible expression vector, ColE1 origin, AmpR.

70

 pTrc99A

Ptac based expression vector, ColE1 origin AmpR.

71

 pBAD/GSL

E. coli groESL operon cloned in pBAD24

61

 pTrc/GSL

E. coli groESL operon cloned in pTrc99A

61

 pBAD/GroELΔC13

pBAD24 harbouring the ORF for GroELΔC13.

This study

 pBAD/AAM

pBAD24 harbouring the ORF for E. coli GroEL with (AAM)4M C-terminus

This study

 pBAD/GGD

pBAD24 harbouring the ORF for E. coli GroEL with (GGD)4D C-terminus

This study

 pBAD/PPM

pBAD24 harbouring the ORF for E. coli GroEL with (PPM)4M C-terminus

This study

 pTrc/GroELΔC13

pTrc99a harbouring ORF for GroELΔC13

This study

 pTrc/AAM

pTrc99a harbouring the ORF for E. coli GroEL with (AAM)4M C-terminus

This study

 pTrc/GGD

pTrc99a harbouring the ORF for E. coli GroEL with (GGD)4D C-terminus

This study

 pTrc/PPM

pTrc99a harbouring the ORF for E. coli GroEL with (PPM)4M C-terminus

This study