Abstract
Thermal sensitive and highly hydrophobic elastin like polypeptide (ELP) tends to undergo inverse transition cycling (ITC) which can be used for non chromatographic purification. The present study reports non-chromatographic purification of industrially important α-amylase tagged with ELP and compared with IMAC (Immobilized metal affinity chromatography) purified α-amylase. amyL-Gene encoding α-amylase from Bacillus licheniformis was cloned and expressed in E. coli BL21. The expressed protein with His-tag was purified through IMAC using Ni–NTA matrix. Three ELP genes encoding repeats of pentapeptide (Val-Pro-Gly-Val-Gly)n with variable length (V = 20, 21, 22) were synthesized through PCR using overlapping primers. To generate ELP tagged α-amylase, amyL was placed at N-terminal of ELPs and transformed to E. coli BL21 for expression. After ITC, ELP22 at 30 °C showed maximum yield. α-Amylase purification through ITC and IMAC showed 2.9 and 1.72-fold purification, respectively. Furthermore, physical parameters of ELP tagged α-amylase have shown improvement with working temperature and thermal stability in comparison to His-tag α-amylase. The k cat /K m for ELP tag and His-tag α-amylase was found to be 61.4 and 23.7 mg−1 min−1, respectively, which shows that ELP-tag increased the enzyme efficiency. In conclusion, the ELP-tag purification strategy can be applied to industrially relevant enzyme for purification by the non-chromatography method.
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References
Gupta R, Gigras P, Mohapatra H, Goswami VK, Chauhan B (2003) Microbial α-amylases: a biotechnological perspective. Process Biochem 38:1599–1616. doi:10.1016/S0032-9592(03)00053-0
Benjamin S, Smitha RB, Jisha VN, Pradeep S, Sajith S, Sreedevi S, Priji P, Unni KN, Josh S (2013) A monograph on α-amylases from Bacillus spp. Adv Biosci Biotechnol 4:227–241. doi:10.4236/abb.2013.42032
Tomazic SJ, Klibnov AM (1988) Mechanisms of irreversible thermal inactivation of Bacillus α-amylases. J Biol Chem 263:3092–3096
Sassenfeld HM (1990) Engineering proteins for purification. Trends Biotechnol 4:88–93
Nilsson J, Stahl S, Lundeberg J, Uhlén M, Nygren PA (1997) Affinity fusion strategies for detection, purification, and immobilization of recombinant proteins. Protein Expr Purif 11:1–16
Urry DW (1988) Entropic elastic processes in protein mechanisms. I. Elastic structure due to an inverse temperature transition and elasticity due to internal chain dynamics. J Protein Chem 7:1–34
Urry DW (1992) Free energy transduction in polypeptides and proteins based on inverse temperature transitions. Prog Biophys Mol Biol 57:23–57. doi:10.1016/0079-6107(92)90003-O
Urry DW (1997) Physical chemistry of biological free energy transduction as demonstrated by elastic protein-based polymers. J Phys Chem 101:11007–11028. doi:10.1021/jp972167t
Trabbic-Carlson K, Liu L, Kim B, Chilkoti A (2004) Expression and purification of recombinant proteins from Escherichia coli: comparison of elastin-like polypeptide fusion with an oligohistidine fusion. Protein Sci 13:3274–3284. doi:10.1110/ps.04931604
Meyer DE, Chilkoti A (1999) Purification of recombinant proteins fusion with thermally-responsive polypeptides. Nat Biotechnol 17:1112–1115. doi:10.1038/15100
Trabbic-Carlson K, Meyer DE, Liu L, Piervincenzi R, Nath LaBean T, Chilkoti A (2004) Effect of protein fusion on the transition temperature of an environmentally responsive elastin-like polypeptide: A role for surface hydrophobicity? Protein Eng Des Sel 17:57–66. doi:10.1093/protein/gzh006
Kowalczyk T, Hnatuszko-Konka K, Gerszberg A, Kononowicz A (2014) Elastin like polypeptides as a promising family of genetically-engineered protein based polymers. World J Microbiol Biotechnol 30:2141–2152. doi:10.1007/s11274-014-1649-5
Miller GL (1959) Use of dinitrosalicylic acid reagent for determination of reducing sugar. Anal Chem 31:426–429
Bradford MM (1976) A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding. Anal Biochem 72:248–254
Sambrook J, Russell DW (2001) Molecular cloning: a laboratory manual, 3rd edn. Cold Spring Harbor Laboratory Press, New York
Christensen T, Amiram M, Dagher S, Trabbic-Carlson K, Shamji MF, Setton LA, Chilkoti A (2009) Fusion order controls expression level and activity of elastin-like polypeptide fusion proteins. Protein Sci 18:1377–1387. doi:10.1002/pro.157
Kim JY, Mulchandani A, Chen W (2005) Temperature-triggered purification of antibodies. Biotechnol Bioeng 90:373–379. doi:10.1002/bit.20451
Jenikova G, Lao UL, Gao D, Mulchandani A, Chen W (2007) Elastin-calmodulin scaffold for protein microarray fabrication. Langmuir 23:2277–2279
Hassouneh W, Christensen T, Chilkoti A (2010) Elastin-like polypeptides as a purification tag for recombinant proteins. Curr Protoc Protein Sci 6:11. doi:10.1002/0471140864.ps0611s61
Urry DW, Luan CH, Parker TM, Gowda DC, Prasad KU, Reid MC, Safavy A (1999) Temperature of polypeptide inverse temperature transition depends on mean residue hydrophobicity. J Am Chem Soc 113:4346–4348. doi:10.1021/ja00011a057
Krishnan T, Chandra AK (1983) Purification and characterization of α-amylase from Bacillus licheniformis CUMC305. Appl Environ Microbiol 46:430–437
Moscaelli P, Boraldi F, Bochicchio B, Pepe A, Salvi AM, Quaglino D (2014) Structural characterization and biological properties of the amyloidogenic elastin-like peptide (VGGVG)3. Matrix Biol 36:15–27
Urry DW, Trapane TL, Prasad KU (1985) Phase-structure transitions of the elastin polypentapeptide-water system within the framework of composition-temperature studies. Biopolymers 24:2345–2356. doi:10.1002/bip.360241212
Shimazu M, Mulchandani A, Chen W (2003) Environmentally triggered purification and immobilization of elastin-OPH fusions. Biotechnol Bioeng 81:74–79. doi:10.1002/bit.10446
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The authors wish to thank the Department of Biotechnology (DBT) (Project No BT/PR9727/GBD/27/505/2013), New Delhi for financial support.
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Akhani, R.C., Patel, A.T., Patel, M.J. et al. Column Chromatography Free Purification of Recombinant α-Amylase from Bacillus licheniformis by Tagging with Hydrophobic Elastin Like Polypeptide. Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci. 88, 1249–1255 (2018). https://doi.org/10.1007/s40011-017-0862-z
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DOI: https://doi.org/10.1007/s40011-017-0862-z