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Crystal structure of a novel putative sugar isomerase from the psychrophilic bacterium Paenibacillus sp. R4

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dc.contributor.authorKwon, Sunghark-
dc.contributor.authorHa, Hyun Ji-
dc.contributor.authorKang, Yong Jun-
dc.contributor.authorSung, Ji Hye-
dc.contributor.authorHwang, Jisub-
dc.contributor.authorLee, Min Ju-
dc.contributor.authorLee, Jun Hyuck-
dc.contributor.authorPark, Hyun Ho-
dc.date.accessioned2022-04-18T02:11:10Z-
dc.date.available2022-04-18T02:11:10Z-
dc.date.issued2021-12-31-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/13326-
dc.description.abstractSugar isomerases (SIs) catalyze the reversible conversion of aldoses to ketoses. A novel putative SI gene has been identified from the genome sequence information on the psychrophilic bacterium Paenibacillus sp. R4. Here, we report the crystal structure of the putative SI from Paenibacillus sp. R4 (PbSI) at 2.98 A resolution. It was found that the overall structure of PbSI adopts the triose-phosphate isomerase (TIM) barrel fold. PbSI was also identified to have two heterogeneous metal ions as its cofactors at the active site in the TIM barrel, one of which was confirmed as a Zn ion through X-ray anomalous scattering and inductively coupled plasma mass spectrometry analysis. Structural comparison with homologous SI proteins from mesophiles, hyperthermophiles, and a psychrophile revealed that key residues in the active site are well conserved and that dimeric PbSI is devoid of the extended C-terminal region, which tetrameric SIs commonly have. Our results provide novel structural information on the cold-adaptable SI, including information on the metal composition in the active site.en_US
dc.languageEnglishen_US
dc.subjectBiochemistry & Molecular Biologyen_US
dc.subjectBiophysicsen_US
dc.subject.classificationDasan Stationen_US
dc.titleCrystal structure of a novel putative sugar isomerase from the psychrophilic bacterium Paenibacillus sp. R4en_US
dc.title.alternative북극 토양 미생물 (Paenibacillus sp. R4) 유래 sugar isomerase 효소의 구조 분석 연구en_US
dc.typeArticleen_US
dc.identifier.bibliographicCitationKwon, Sunghark, et al. 2021. "Crystal structure of a novel putative sugar isomerase from the psychrophilic bacterium Paenibacillus sp. R4". <em>BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS</em>, 585(1): 48-54.-
dc.citation.titleBIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONSen_US
dc.citation.volume585en_US
dc.citation.number1en_US
dc.identifier.doi10.1016/j.bbrc.2021.11.026-
dc.citation.startPage48en_US
dc.citation.endPage54en_US
dc.description.articleClassificationSCIE-
dc.description.jcrRateJCR 2019:0en_US
dc.subject.keywordSugar isomeraseen_US
dc.subject.keywordXylose isomeraseen_US
dc.subject.keywordGlucose isomeraseen_US
dc.subject.keywordPaenibacillusen_US
dc.subject.keywordPsychrophilic bacteriaen_US
dc.subject.keywordCold adaptationen_US
dc.identifier.localId2021-0249-
dc.identifier.scopusid2-s2.0-85118975764-
dc.identifier.wosid000730062700004-
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