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| [[Image:1uo6.jpg|left|200px]] | | {{Seed}} |
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| {{STRUCTURE_1uo6| PDB=1uo6 | SCENE= }} | | {{STRUCTURE_1uo6| PDB=1uo6 | SCENE= }} |
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| '''PORCINE PANCREATIC ELASTASE/XE-COMPLEX'''
| | ===PORCINE PANCREATIC ELASTASE/XE-COMPLEX=== |
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| ==Overview==
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| Complete and highly redundant data sets were collected at nine different wavelengths between 0.80 and 2.65 A on a xenon derivative of porcine pancreatic elastase in both air and helium atmospheres. The magnitude of the anomalous signal, as assessed by the xenon-peak height in the anomalous difference Patterson synthesis, is affected by the wavelength of data collection as well as by the scaling model used. For data collected at wavelengths longer than 1.7 A, the use of a three-dimensional scaling protocol is essential in order to obtain the highest possible anomalous signal. Based on the scaling protocols currently available, the optimal wavelength range for data collection appears to be between 2.1 and 2.4 A. Beyond that, any further increase in signal will be compensated for or even superseded by a concomitant increase in noise, which cannot be fully corrected for. Data collection in a helium atmosphere yields higher I/sigma(I) values, but not significantly better anomalous differences, than data collection in air.
| | The line below this paragraph, {{ABSTRACT_PUBMED_14684889}}, adds the Publication Abstract to the page |
| | (as it appears on PubMed at http://www.pubmed.gov), where 14684889 is the PubMed ID number. |
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| | {{ABSTRACT_PUBMED_14684889}} |
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| ==About this Structure== | | ==About this Structure== |
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| [[Category: Hydrolase]] | | [[Category: Hydrolase]] |
| [[Category: Xenon binding]] | | [[Category: Xenon binding]] |
| ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 11:29:29 2008'' | | |
| | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 14:56:33 2008'' |
