Table 5.
Comparison between different reported cold-adapted esterases concerning biochemical properties
| Microbial source | Enzyme designation | Expression host | Amino acid length | Optimal pH | Optimal temperature (oC) | Metal ion resistance | Detergent resistance | Molecular weight (kDa) | Family | Reference |
|---|---|---|---|---|---|---|---|---|---|---|
| Lysinibacillus sp. | EstRag | E. coli BL21 (DE3) Rosetta | 217 | 8.0 | 35 | Significantly augmented 3 times fold its normal activity in the presence of copper ions |
Strongly enhanced by SDS Resistant to triton X-100 |
25 | New member of family VI | This study |
| Psychrobacter pacificensis | Est11 | E. coli BL21 (DE3) | 297 | 7.5 | 25 |
Inhibited by Cu2+ and Zn2+ Resistant to Mg2+, Ca2+ and Mn2+ |
Resistant to tween 20, tween 80 and triton X-100 | 32.9 | New family | Wu et al. (2015) |
| Pseudomonas mandelii | EstK | E. coli | 8.5 | 40 |
Inhibited by Cu2+ Resistant to Ca2+, K+ and Mg2+ |
Not tested | 33 | Not mentioned | Hong et al. (2012) | |
| Bacillus halodurans | estHIJ | E. coli BL21 (DE3) Rosetta | 248 | 7–8 | 30 | Na+, K+, Mg2+, and Ca2+ resistant |
Inhibited by SDS Resistant to tween 20, tween 80 and triton X-100 |
29 | XIII | Noby et al. (2019) |
| Bacillus licheniformis | Est700 | E. coli BL21 (DE3) | 208 | 8.0 | 30 | Resistant to Mg2+, Ca.2+ Ba2+, Mn2+, Na+ and K+ |
Inhibited by SDS Resistant to tween 20, tween 80 and triton X-100 |
25 | I | Zhang et al. (2018) |
| Bacillus cohnii strain N1 | EstN7 | E. coli BL21 (DE3) Rosetta | 320 | 9.0 | 5 |
Inhibited by Cu2+ and Zn2+ Resistant to Mn2+, K+, Na+ and Ca2+ |
Inhibited by SDS Resistant to tween 20, tween 80 and triton X-100 |
37 | IV | Noby et al. (2018) |
| Salinisphaera sp. P7-4 | P7-4 esterase | E. coli BL21 (DE3) | 316 | 8.0–9.0 | 25 |
Inhibited by Cu,2+ Ni2+ and Zn2+ Resistant to Ca2+, K+ and Mg2+ |
Not tested | 34.4 | Not mentioned | Kim et al. (2011) |
| Psychrobacter cryohalolentis K5T | EstPc | E. coli BL21 (DE3) | 315 | 8.5 | 35 |
Inhibited by Cu2+ and Zn2+ Resistant to Mg2+, Mn2+ and Co2+ |
Inhibited by SDS Resistant to tween 20,and triton X-100 |
33 | V | Novototskaya-Vlasova et al. (2012) |
|
Pseudoalteromonas sp. strain 643A |
EstA | E. coli TOP10F’ | 207 | 8.0 | 35 |
Inhibited Zn2+, Mg2+, Co2+ and Cu2+ Strongly activated by Ca2+ |
Not tested | 23 | GDSL family of lipolytic enzymes | Cieśliński et al. (2007) |
| Pseudoalteromonas arctica | EstO | E. coli TunerTM (DE3) | 400 | 7.5 | 25 | Completely inhibited by Al2+, Cu2+, Fe2+, Cr2+, and Co2, whereas Ca2+, Mg2+, Se2+ and Mn2+ had no or only minor effect | Completely inhibited by SDS and Tween 20 | 44.1 | Serine hydrolase family | Khudary et al. (2010) |
| Deinococcus radiodurans | EstDR4 | E. coli | 312 | 8.0 | 30 | Resistant to Li+, Na+, K+, and Mg2+ significantly inhibited by Co2+, Cu2+ and Zn2+ | Significantly activated by Tween 80 and Triton X-100 inhibited by SDS and Tween 20 | 33 | IV | Zhang et al. (2021) |
| Streptomyces coelicolor A3(2) | EstC | E. coli BL21 (DE3) | 327 | 8.5–9.0 | 35 |
Significantly inhibited by Cu2+, Zn2+, Ni2+, Fe2+ and Mn2+ Resistant to Ca 2+ and Mg2+ |
Not tested | 35 | v | Brault et al. (2012) |
| Acinetobacter venetians V28 | V28 esterase | E. coli BL21 (DE3) | 338 | 9.0 | 40 | No significant inhibition of activity was obtained with Ca2+, Cu2+, Co2+, Cd2+, Mg2+, K+, Mn2+ and Zn2+ | Resistant to Tween 20. Tween 80 and SDS | 35 | Not mentioned | Kim et al. (2012) |
| Microbulbifer thermotolerans | MtEst45 | E. coli BL21 (DE3) | 495 | 8.17 | 46.2 | Strongly inhibited by Hg2+, Zn2+, and Cu2+ | Not tested | 45.5 | III | Lee (2016) |
| Microbulbifer thermotolerans DAU221 | CEST | E. coli | 307 | 8.0 | 15 | Enzyme activity was increased by Na+and Mg2+ ions but was strongly inhibited by Cu2+ and Hg2+ ions | Not tested | 31.24 | VI | Lee et al. (2014) |
| Metagenomic library | Est97 | E. coli | 247 | 7.5 | 35 |
Strongly inhibited by Zn2+, and Cu2+ Resistant to Ca2+ and Mg2+ |
Inhibited by SDS and Tween 20 | 26.9 | VIII | Fu et al. (2013) |