TY - JOUR
T1 - Protein-induced bending or flexing at the 5′-end of the duck βA-globin promoter
AU - Mátlová, Romana
AU - Horská, Květa
AU - Benes, Vladimir
AU - Cvekl, Aleš
AU - Sponar, Jaroslav
PY - 1995/4/24
Y1 - 1995/4/24
N2 - The 5′-end of the duck βA-globin promoter contains a protein binding site BS-3/Spl, the A + T-rich part of which could be involved in DNA bending. Plasmids were constructed using the pBend2 plasmid containing BS-3/Spl. Circular permutation analysis of the fragments cut out from the plasmids using various restriction endonucleases, in the presence of a partially purified protein extract from embryonic duck erythrocytes, was performed. The results indicate that a rather complicated change in the fragment shape takes place upon protein binding, which is best explained as an induction of two points of bending or flexure within the fragment. Analogical points of flexure may exist at the protein-binding sites of the duck and chicken βA-globin promoters in spite of differing DNA sequences.
AB - The 5′-end of the duck βA-globin promoter contains a protein binding site BS-3/Spl, the A + T-rich part of which could be involved in DNA bending. Plasmids were constructed using the pBend2 plasmid containing BS-3/Spl. Circular permutation analysis of the fragments cut out from the plasmids using various restriction endonucleases, in the presence of a partially purified protein extract from embryonic duck erythrocytes, was performed. The results indicate that a rather complicated change in the fragment shape takes place upon protein binding, which is best explained as an induction of two points of bending or flexure within the fragment. Analogical points of flexure may exist at the protein-binding sites of the duck and chicken βA-globin promoters in spite of differing DNA sequences.
KW - DNA bending
KW - Spl-binding site
KW - circular permutation analysis
KW - embryonic duck erythrocytes
UR - http://www.scopus.com/inward/record.url?scp=0028953382&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0028953382&partnerID=8YFLogxK
U2 - 10.1016/0378-1119(95)00057-D
DO - 10.1016/0378-1119(95)00057-D
M3 - Article
C2 - 7758968
AN - SCOPUS:0028953382
SN - 0378-1119
VL - 156
SP - 277
EP - 281
JO - Gene
JF - Gene
IS - 2
ER -