Evidence map›Paper›PMID 27123343›Full record

ArticleBiochemistry research international2016

Geometric Simulation Approach for Grading and Assessing the Thermostability of CALBs.

B Senthilkumar, D Meshachpaul, R Rajasekaran

Abstract read
In one paragraph

Article in Biochemistry research international, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

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5 · Who and what money

Authors and funding

3 authors.

B SenthilkumarComputational Biology Lab, Department of Biotechnology, School of Bio Sciences and Technology, VIT University, Vellore, Tamil Nadu 632014, India.
D MeshachpaulComputational Biology Lab, Department of Biotechnology, School of Bio Sciences and Technology, VIT University, Vellore, Tamil Nadu 632014, India.
R RajasekaranComputational Biology Lab, Department of Biotechnology, School of Bio Sciences and Technology, VIT University, Vellore, Tamil Nadu 632014, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Candida antarctica lipase B (CALB) is a known stable and highly active enzyme used widely in biodiesel synthesis. In this work, the stability of native (4K6G) and mutant (4K5Q) CALB was studied through various structural parameters using conformational sampling approach. The contours of polar surface area and surface area of mutant CALB were 11357.67 Å(2) and 30007.4 Å(2), respectively, showing an enhanced stability compared to native CALB with a statistically significant P value of < 0.0001. Moreover, simulated thermal denaturation of CALB, a process involving dilution of hydrogen bond, significantly shielded against different intervals of energy application in mutant CALB revealing its augmentation of structural rigidity against native CALB. Finally, computational docking analysis showed an increase in the binding affinity of CALB and its substrate (triglyceride) in mutant CALB with Atomic Contact Energy (ACE) of -91.23 kcal/mol compared to native CALB (ACE of -70.3 kcal/mol). The computational observations proposed that the use of mutant CALB (4K5Q) could serve as a best template for production of biodiesel in the future. Additionally, it can also be used as a template to identify efficient thermostable lipases through further mutations.

Identifiers

PMID27123343
PMCPMC4830698

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