micrococcal nuclease / endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters / nucleic acid binding / extracellular region / membrane / metal ion binding 類似検索 - 分子機能
OB fold (Dihydrolipoamide Acetyltransferase, E2P) - #90 / Thermonuclease family signature 1. / Thermonuclease active site / Thermonuclease family signature 2. / Staphylococcal nuclease (SNase-like), OB-fold / Staphylococcal nuclease homologue / Thermonuclease domain profile. / Staphylococcal nuclease homologues / SNase-like, OB-fold superfamily / OB fold (Dihydrolipoamide Acetyltransferase, E2P) ...OB fold (Dihydrolipoamide Acetyltransferase, E2P) - #90 / Thermonuclease family signature 1. / Thermonuclease active site / Thermonuclease family signature 2. / Staphylococcal nuclease (SNase-like), OB-fold / Staphylococcal nuclease homologue / Thermonuclease domain profile. / Staphylococcal nuclease homologues / SNase-like, OB-fold superfamily / OB fold (Dihydrolipoamide Acetyltransferase, E2P) / Beta Barrel / Mainly Beta 類似検索 - ドメイン・相同性
PHOSPHATE ION / THYMIDINE-3',5'-DIPHOSPHATE / Thermonuclease 類似検索 - 構成要素
The asymmetric unit contains one monomer whose N-terminus has rearranged to wrap around a symmetry-related molecule, creating a domain-swapped dimeric assembly.
温度: 277 K / pH: 7 詳細: 19% MPD, 25 mM Potassium Phosphate, Calcium Chloride, pdTp, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
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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: NSLS / ビームライン: X25 / 波長: 1.1
検出器
タイプ: ADSC QUANTUM 315 / 検出器: CCD / 日付: 2010年1月25日 詳細: MERIDIONALLY-BENT FUSED SILICA MIRROR WITH PALLADIUM AND UNCOATED STRIPES VERTICALLY- FOCUSING AT 6.6:1 DEMAGNIFICATION.
放射
モノクロメーター: DOUBLE SILICON(111) CRYSTAL MONOCHROMATOR WITH CRYOGENICALLY- COOLED FIRST CRYSTAL AND SAGITTALLY-BENT SECOND CRYSTAL HORIZONTALLY-FOCUSING AT 3.3:1 DEMAGNIFICATION. プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
波長: 1.1 Å / 相対比: 1
反射
解像度: 1.85→50 Å / Num. obs: 17185 / % possible obs: 99.9 % / Observed criterion σ(I): 0 / 冗長度: 21.4 % / Biso Wilson estimate: 31 Å2 / Rmerge(I) obs: 0.064 / Net I/σ(I): 17.4
反射 シェル
解像度: 1.85→1.88 Å / 冗長度: 21.4 % / Rmerge(I) obs: 0.331 / % possible all: 100
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位相決定
位相決定
手法: 分子置換
Phasing MR
Rfactor: 45.94 / Model details: Phaser MODE: MR_AUTO
最高解像度
最低解像度
Rotation
2.5 Å
47.25 Å
Translation
2.5 Å
47.25 Å
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解析
ソフトウェア
名称
バージョン
分類
NB
SCALEPACK
データスケーリング
PHASER
2.1.4
位相決定
REFMAC
精密化
PDB_EXTRACT
3.1
データ抽出
HKL-2000
データ削減
HKL-2000
データスケーリング
精密化
構造決定の手法: 分子置換 開始モデル: PDB ID: 3BDC RESIDUES 21-141. ALL B-FACTORS WERE SET TO 20 A^2. ARG-66, PHE-113, VAL-114, PHE-115, LYS-116 WERE TRUNCATED TO ALA.
解像度: 1.85→50 Å / Cor.coef. Fo:Fc: 0.95 / Cor.coef. Fo:Fc free: 0.947 / Occupancy max: 1 / Occupancy min: 0.33 / SU B: 4.507 / SU ML: 0.072 / SU R Cruickshank DPI: 0.1146 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R Free: 0.113 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD / 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING
Rfactor
反射数
%反射
Selection details
Rfree
0.213
868
5.1 %
RANDOM
Rwork
0.179
-
-
-
obs
0.181
16308
99.3 %
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all
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16308
-
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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