KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00028 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-amino-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-amino-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
0.0004 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
0.0005 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-amino-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-amino-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
0.0009 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
0.009 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
0.016 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-(tetradecanoyloxy)tetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
0.029 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
0.046 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-(tetradecanoyloxy)tetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
ADP-L-glycero-beta-D-manno-heptose + (3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | Escherichia coli | the enzyme is essential for the transfer of the first heptosyl moiety in the core oligosaccharide of lipopolysaccharide | ADP + alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | P24173 | - |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ADP-L-glycero-beta-D-manno-heptose + (3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-amino-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-amino-1-O-phosphono-alpha-D-glucopyranose | - |
Escherichia coli | ADP + alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-amino-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-amino-1-O-phosphono-alpha-D-glucopyranose | - |
? | |
ADP-L-glycero-beta-D-manno-heptose + (3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | - |
Escherichia coli | ADP + alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | - |
? | |
ADP-L-glycero-beta-D-manno-heptose + (3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | the enzyme is essential for the transfer of the first heptosyl moiety in the core oligosaccharide of lipopolysaccharide | Escherichia coli | ADP + alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | - |
? | |
ADP-L-glycero-beta-D-manno-heptose + (3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | the enzyme transfers L-glycero-D-manno-heptose to a 3-deoxy-alpha-D-oct-2-ulopyranosonic acid of the growing core region of lipopolysaccharide. The catalytic efficiency of the enzyme with the fully deacylated analogue of Escherichia coli HepI Lipid A is 12fold greater than with the fully acylated substrate | Escherichia coli | ADP + alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | - |
? | |
ADP-L-glycero-beta-D-manno-heptose + (3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-(tetradecanoyloxy)tetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | the enzyme transfers L-glycero-D-manno-heptose to a 3-deoxy-alpha-D-oct-2-ulopyranosonic acid of the growing core region of lipopolysaccharide. The catalytic efficiency of the enzyme with the fully deacylated alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-lipid A is 12fold greater than with the fully acylated substrate | Escherichia coli | ADP + alpha-L-glycero-D-manno-heptosyl-(1->5)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-(tetradecanoyloxy)tetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | - |
? | |
additional information | the enzyme is able to catalyze heptose transfer to underacylated and fully deacylated Kdo2-lipid A analogs. This activity does not require addition of detergent. Thus, the enzyme appears to only recognize the Kdo sugar region of these acceptor molecules | Escherichia coli | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
HepI | - |
Escherichia coli |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.76 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-amino-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-amino-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
1.05 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-amino-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-amino-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
1.06 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
1.06 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-(tetradecanoyloxy)tetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
1.47 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
4.7 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
6.6 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
8 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-(tetradecanoyloxy)tetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli |
General Information | Comment | Organism |
---|---|---|
physiological function | the enzyme is essential for the transfer of the first heptosyl moiety in the core oligosaccharide of lipopolysaccharide | Escherichia coli |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
170 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-(tetradecanoyloxy)tetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
220 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
340 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-(tetradecanoyloxy)tetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
520 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
1100 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
2100 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-amino-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-amino-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli | |
2700 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-amino-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-amino-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, in absence of detergent | Escherichia coli | |
3700 | - |
(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | pH and temperature not specified in the publication, with Triton X-100 | Escherichia coli |