BIOLOGICAL UNIT CONTAINS A MONOMERIC PROTEIN AND DOUBLE STRANDED DNA FRAGMENT BOUND TO ITS C-TERMINAL WINGED HELIX DOMAIN (ASSEMBLY 1 COMPRISES CHAINS A,C,D; ASSEMBLY 2 COMPRISES CHAINS B,E,F). TO THE BEST OF OUR KNOWLEDGE ADDITIONAL COPY OF DOUBLE STRANDED TARGET DNA BINDS TO THE N-TERMINAL CATALYTIC DOMAIN OF THE ENZYME IN SOLUTION. THE TRIMER (ACCORDING TO PDB CONVENTIONS) IS A COMPLEX OF THE MONOMERIC ENZYME WITH DOUBLE STRANDED DNA FRAGMENT PRESENT IN THE CRYSTAL
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要素
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タンパク質 / DNA鎖 , 2種, 6分子 ABCDEF
#1: タンパク質
Type-2restrictionenzymeDpnI / R.DpnI / Endonuclease DpnI / Type II restriction enzyme DpnI
温度: 293 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 6.8 詳細: 200 MM POTASSIUM SULFATE, 100 MM BETAINE, 20 % W/V PEG 3350, PH 6.8. FOR CRYOCOOLING THE CRYSTALLIZATION BUFFER WAS MIXED IN 3:1 RATIO WITH 100% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, temperature 293K
解像度: 2.05→2.1 Å / 冗長度: 3 % / Rmerge(I) obs: 0.3 / Mean I/σ(I) obs: 2.4 / Num. unique all: 4429 / Rsym value: 0.3 / % possible all: 98.4
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解析
ソフトウェア
名称
バージョン
分類
ADSC
Quantum
データ収集
SHELXDE
位相決定
直接法
モデル構築
ARP/wARP
モデル構築
REFMAC
5.2.0019
精密化
CNS
精密化
XDS
データ削減
SCALA
データスケーリング
直接法
位相決定
精密化
構造決定の手法: 多波長異常分散 / 解像度: 2.05→19.97 Å / Cor.coef. Fo:Fc: 0.955 / Cor.coef. Fo:Fc free: 0.949 / 交差検証法: THROUGHOUT / ESU R: 0.156 / ESU R Free: 0.137 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: PROGRAM CNS HAS BEEN USED FOR DNA REFINEMENT. NO SUGAR PUCKER CONSTRAINTS HAVE BEEN APPLIED. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. TLS REFINEMENT HAS BEEN USED.
Rfactor
反射数
%反射
Selection details
Rfree
0.21754
3032
5 %
RANDOM
Rwork
0.19772
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all
0.19872
60188
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obs
0.19872
60188
100 %
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溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.4 Å / 溶媒モデル: MASK