ジャーナル: Biochemistry / 年: 2008 タイトル: A bridging water anchors the tethered 5-(3-aminopropyl)-2'-deoxyuridine amine in the DNA major groove proximate to the N+2 C.G base pair: implications for formation of interstrand 5'- ...タイトル: A bridging water anchors the tethered 5-(3-aminopropyl)-2'-deoxyuridine amine in the DNA major groove proximate to the N+2 C.G base pair: implications for formation of interstrand 5'-GNC-3' cross-links by nitrogen mustards. 著者: Wang, F. / Li, F. / Ganguly, M. / Marky, L.A. / Gold, B. / Egli, M. / Stone, M.P.
DNA (5'-D(*DCP*DGP*DCP*DGP*DAP*DAP*DTP*DTP*DCP*(7GU)P*DCP*DG)-3')
分子量: 3662.404 Da / 分子数: 2 / 由来タイプ: 合成 詳細: The 7-zG was introduced as the phosphoramidite (Glenn Research, Sterling, VA). The on-column oxidation of the phosphite to phosphate when a 7-zG is present requires (1S)-(+)-(10- ...詳細: The 7-zG was introduced as the phosphoramidite (Glenn Research, Sterling, VA). The on-column oxidation of the phosphite to phosphate when a 7-zG is present requires (1S)-(+)-(10-camphorsulfonyl)oxaziridine rather than I2 according to the manufacturers protocols (Glenn Research, Sterling, VA). The dry oligomers were then dissolved in the appropriate buffer.
温度: 291 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 6 詳細: Droplets containing 0.6 mM oligonucleotide, 5% 2-methyl-2,4-pentanediol (MPD), 20 mM sodium cacodylate (pH 6.0), 6 mM spermine tetrahydrochloride, 40 mM KCl and 10 mM MgCl2 were equilibrated ...詳細: Droplets containing 0.6 mM oligonucleotide, 5% 2-methyl-2,4-pentanediol (MPD), 20 mM sodium cacodylate (pH 6.0), 6 mM spermine tetrahydrochloride, 40 mM KCl and 10 mM MgCl2 were equilibrated against a reservoir of 35% MPD., VAPOR DIFFUSION, HANGING DROP, temperature 291K
溶液の組成
ID
名称
Crystal-ID
Sol-ID
1
2-methyl-2,4-pentanediol
1
1
2
sodiumcacodylate
1
1
3
sperminetetrahydrochloride
1
1
4
KCl
1
1
5
MgCl2
1
1
6
MPD
1
2
-
データ収集
回折
平均測定温度: 100 K
放射光源
由来: シンクロトロン / サイト: APS / ビームライン: 22-ID / 波長: 1 Å
検出器
タイプ: MAR CCD 165 mm / 検出器: CCD / 日付: 2007年4月18日
放射
プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray