Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
1979-8-16
pubmed:abstractText
The properties of the fractionated Hae III fragments of pRZ2 DNA (Patient, R.K., Hardies, S.C., and Wells, R.D. (1979) J. Biol. Chem. 254, 5542-5547) were studied in an effort to determine why several of the fragments bind more tightly to RPC-5 than expected on the basis of their length. The purified fragments were analyzed for their nucleotide composition by direct determination of their constituent mononucleotides and by analytical CsCl and Cs2SO4 density gradient analyses. A-T-rich fragments elute at higher salt concentrations than fragments of equivalent size which are not A-T-rich. In addition, denaturation mapping studies by electron microscopy indicate that an A-T-rich run within an otherwise G-C-rich fragment can give rise to delayed elution. At least one other factor influences the separation of DNA restriction fragments by RPC-5 chromatography. Some of the fragments in this digest which elute later than predicted from their size either contain known genetic regulatory sites or bind regulatory proteins.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0021-9258
pubmed:author
pubmed:issnType
Print
pubmed:day
25
pubmed:volume
254
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
5548-54
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1979
pubmed:articleTitle
Influence of A-T content on the fractionation of DNA restriction fragments by RPC-5 column chromatography.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S.