Evidence map›Paper›PMID 26467249›Full record

ArticleJournal of industrial microbiology & biotechnology2015

Studies on properties of the xylan‑binding domain and linker sequence of xylanase XynG1‑1 from Paenibacillus campinasensis G1‑1.

Yihan Liu, Lin Huang, Weiguo Li, Wei Guo, Hongchen Zheng, Jianling Wang, Fuping Lu

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Article in Journal of industrial microbiology & biotechnology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

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0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

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3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Article
  2. Characterizing a Halo-Tolerant GH10 Xylanase fromInternational journal of molecular sciences · 2019
    Article
  3. Article
4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Yihan Liu
Lin Huang
Weiguo Li
Wei Guo
Hongchen Zheng
Jianling Wang
Fuping Lu

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Xylanase XynG1-1 from Paenibacillus campinasensis G1-1 consists of a catalytic domain (CD), a family 6_36 carbohydrate-binding module which is a xylan-binding domain (XBD), and a linker sequence (LS)between them. The structure of XynG1-3 from Bacillus pumilus G1-3 consists only of a CD. To investigate the functions and properties of the XBD and LS of XynG1-1, two truncated forms (XynG1-1CDL, XynG1-1CD) and three fusion derivatives (XynG1-3CDL, XynG1-3CDX and XynG1-3CDLX) were constructed and biochemically characterized. The optimum conditions for the catalytic activity of mutants of XynG1-1 and XynG1-3 were 60 °C and pH 7.0, and 55 °C and pH 8.0, respectively, the same as for the corresponding wild-type enzymes. XynGs with an XBD were stable over a broad temperature (30-80 °C)and pH range (4.0-11.0), respectively, on incubation for 3 h. Kinetic parameters (Km, kcat, kcat/Km) of XynGs were determined with soluble birchwood xylan and insoluble oat spelt xylan as substrates. XynGs with the XBD showed better affinities toward, and more efficient catalysis of hydrolysis of the insoluble substrate. The XBD had positive effects on thermostability and pH stability and a crucial function in the ability of the enzyme to bind and hydrolyze insoluble substrate. The LS had little effect on the overall stability of the xylanase and no relationship with affinities for soluble and insoluble substrates or catalytic efficiency.

Indexed as

Catalytic DomainEndo-1,4-beta XylanasesEnzyme StabilityHydrogen-Ion ConcentrationHydrolysisKineticsModels, MolecularPaenibacillusSolubilitySubstrate SpecificityTemperatureXylansEndo-1,4-beta XylanasesXylans

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.