BIOLOGICAL UNIT CONTAINS PROTEIN CHAIN A AND TWO DOUBLE STRANDED DNA FRAGMENTS BOUND TO ITS N- AND C-TERMINAL DOMAINS. TO THE BEST OF OUR KNOWLEDGE THE OBSERVED COMPLEX CORRESPONDS TO THE ENZYME SUBSTRATE COMPLEX FORMED BY TYPE IIE R.DPNI RESTRICTION ENDONUCLEASE AND DOUBLE STRANDED DNA IN SOLUTION. THE PENTAMER (ACCORDING TO PDB CONVENTIONS) IS A COMPLEX OF THE ENZYME WITH TWO DOUBLE STRANDED DNA FRAGMENTS PRESENT IN THE CRYSTAL.
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要素
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タンパク質 / DNA鎖 , 2種, 5分子 ACDEF
#1: タンパク質
Type-2restrictionenzymeDpnI / R.DpnI / Endonuclease DpnI / Type II restriction enzyme DpnI
解像度: 2.35→46.23 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.949 / 交差検証法: THROUGHOUT / ESU R: 0.263 / ESU R Free: 0.193 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: AT THE FLANK OF THE RECOGNITION SEQUENCE SHALLOW INTERCALATION OF AN UNKNOWN MOLECULE IS SUGGESTED BY ELECTRON DENSITY MAPS. WE HAVE NOT BEEN ABLE TO DISTINGUISH WHETHER THIS DENSITY SHOULD ...詳細: AT THE FLANK OF THE RECOGNITION SEQUENCE SHALLOW INTERCALATION OF AN UNKNOWN MOLECULE IS SUGGESTED BY ELECTRON DENSITY MAPS. WE HAVE NOT BEEN ABLE TO DISTINGUISH WHETHER THIS DENSITY SHOULD BE ACCOUNTED FOR BY A SECOND CONFORMER OF ASN77 OR EITHER B-MERCAPTOETHANOL, ACETATE OR AZIDE FROM THE BUFFER. THE DESIGNATION OF ONE OF THE IONS AS NA+ IS TENTATIVE ONLY. PROGRAM CNS HAS BEEN USED FOR DNA REFINEMENT. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. TLS REFINEMENT HAS BEEN USED.
Rfactor
反射数
%反射
Selection details
Rfree
0.21904
1204
5.1 %
RANDOM
Rwork
0.20125
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all
0.20216
23477
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obs
0.20216
23477
99.72 %
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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