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Korea Polar Data Center Scientific observations and results from Antarctica shall
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X-ray diffraction data using Sedoheptulose 7-phosphate isomerase (CpGmhA) from Colwellia psychrerythraeastrain 34H

The psychrophilic organism Colwellia psychrerythraea strain 34H has been demonstrated that high concentrated production of polysaccharide substrates at low temperature is a mechanism of adaptation in cold environment. The Sedoheptulose 7-phosphate isomerase(GmhA) is an essential enzyme involved the biosynthesis of polysaccharide. The crystal structure of a CpGmhA from Colwellia psychrerythraea strain 34H has been determined to up to a 2.8Å resolution. The CpGmhA structure reported here provides further insights into the structural correlation between activity and structure. To investigate psychrophilic enzymes molecular basis of cold adaptation of Colwellia psychrerythraea 34H, we have cloned and over-expressed the methylmalonate-semialdehyde dehydrogenase and determined the structure by using X-ray crystallographic experiments

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Entry ID
KOPRI-KPDC-00000445
KPDC_X-ray_CP_2013 (Old ID)
DOI
https://dx.doi.org/doi:10.22663/KOPRI-KPDC-00000445.1
Science Keyword
EARTH SCIENCE > Cryosphere > Sea Ice > Ice Temperature
EARTH SCIENCE > Cryosphere > Snow/Ice > Freeze/Thaw
ISO Topic
BIOTA
Platform
X-ray diffraction(X-ray diffraction)
Instrument
X-Ray Diffraction (PLS-5C)(X-Ray Diffraction (PLS-5C), 포항가속기 연구소 , PLS-5C 빔라인의 X-선 회절 분석 장비)
Personnel
Jun Hyuck Lee (junhyucklee@kopri.re.kr)
Create/Update Date
2013-09-24 00:00:00 UTC
Citation
The data(KOPRI-KPDC-00000445) used in this work was provided by the Korea Polar Research Institute.

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