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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1996-3-12
pubmed:abstractText
We expressed and purified milligram quantities of the ligand binding domain of the human 1,25-dihydroxyvitamin D3 receptor using a glutathione-S-transferase (GST) fusion protein expression system. Amino acids 105-427 were expressed in E. coli as a GST fusion protein at a reduced (20 degrees C) temperature and purified on glutathione sepharose. The fusion protein adsorbed to glutathione sepharose was cleaved with thrombin to yield soluble 105-427 human 1,25-dihydroxyvitamin D3 receptor. The 105-427 human 1,25-dihydroxyvitamin D3 receptor was further purified by Mono Q ion exchange chromatography and was characterized as a single band on SDS-polyacrylamide gel electrophoresis. The 105-427 human 1,25-dihydroxyvitamin D3 receptor bound 1,25-dihydroxyvitamin D3 with high affinity (Kd approximately 10(-9)M) and with a binding capacity of 47 pmoles/nmole protein. Large scale expression of 105-427 human 1,25-dihydroxyvitamin D3 receptor will provide human 1,25-dihydroxyvitamin D3 receptor ligand binding domain suitable for structural studies.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0006-291X
pubmed:author
pubmed:issnType
Print
pubmed:day
26
pubmed:volume
218
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
902-7
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1996
pubmed:articleTitle
Synthesis and purification of soluble ligand binding domain of the human vitamin D3 receptor.
pubmed:affiliation
Nephrology Research Unit, Mayo Clinic and Foundation, Rochester, Minnesota 55905, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.