- PDB-2vtf: X-ray crystal structure of the Endo-beta-N-acetylglucosaminidase ... -
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基本情報
登録情報
データベース: PDB / ID: 2vtf
タイトル
X-ray crystal structure of the Endo-beta-N-acetylglucosaminidase from Arthrobacter protophormiae E173Q mutant reveals a TIM barrel catalytic domain and two ancillary domains
ジャーナル: J.Mol.Biol. / 年: 2009 タイトル: The X-Ray Crystal Structure of an Arthrobacter Protophormiae Endo-Beta-N-Acetylglucosaminidase Reveals a (Beta/Alpha)(8) Catalytic Domain, Two Ancillary Domains and Active Site Residues ...タイトル: The X-Ray Crystal Structure of an Arthrobacter Protophormiae Endo-Beta-N-Acetylglucosaminidase Reveals a (Beta/Alpha)(8) Catalytic Domain, Two Ancillary Domains and Active Site Residues Key for Transglycosylation Activity. 著者: Suits, M.D. / Ling, Z. / Bingham, R.J. / Bruce, N.C. / Davies, G.J. / Fairbanks, A.J. / Moir, J.W. / Taylor, E.J.
SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 9-STRANDED BARREL THIS IS REPRESENTED BY A 10-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "BB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 9-STRANDED BARREL THIS IS REPRESENTED BY A 10-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED.
ENGINEERED RESIDUE IN CHAIN A, ASN 67 TO ASP ENGINEERED RESIDUE IN CHAIN A, LYS 75 TO THR ...ENGINEERED RESIDUE IN CHAIN A, ASN 67 TO ASP ENGINEERED RESIDUE IN CHAIN A, LYS 75 TO THR ENGINEERED RESIDUE IN CHAIN A, GLU 197 TO GLN ENGINEERED RESIDUE IN CHAIN B, ASN 67 TO ASP ENGINEERED RESIDUE IN CHAIN B, LYS 75 TO THR ENGINEERED RESIDUE IN CHAIN B, GLU 197 TO GLN
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 1
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試料調製
結晶
マシュー密度: 2.52 Å3/Da / 溶媒含有率: 51.22 % / 解説: NONE
結晶化
pH: 6.5 詳細: 0.35 M KSCN, 0.1 M BIS-TRIS PROPANE (PH 6.5), 15% PEG 3350
モノクロメーター: SI111 CHANNEL CUT / 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: 0.9765 Å / 相対比: 1
反射
解像度: 1.8→80 Å / Num. obs: 130527 / % possible obs: 99.9 % / Observed criterion σ(I): 5 / 冗長度: 5.7 % / Rmerge(I) obs: 0.09 / Net I/σ(I): 23
反射 シェル
解像度: 1.8→1.86 Å / 冗長度: 5.3 % / Rmerge(I) obs: 0.34 / Mean I/σ(I) obs: 2.7 / % possible all: 99.7
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解析
ソフトウェア
名称
バージョン
分類
REFMAC
5.4.0077
精密化
HKL-2000
データ削減
SCALEPACK
データスケーリング
autoSHARP
位相決定
SOLOMON
位相決定
RESOLVE
位相決定
精密化
構造決定の手法: 多波長異常分散 開始モデル: NONE 解像度: 1.79→49.03 Å / Cor.coef. Fo:Fc: 0.963 / Cor.coef. Fo:Fc free: 0.943 / SU B: 4.814 / SU ML: 0.069 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / ESU R: 0.113 / ESU R Free: 0.111 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. SER207 IS A RAMACHANDRAN PLOT OUTLIER AND IMPORTANT ACTIVE SITE RESIDUE THAT INTERACTS WITH THE CATALYTIC ACID/BASE.
Rfactor
反射数
%反射
Selection details
Rfree
0.202
6652
5 %
RANDOM
Rwork
0.164
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obs
0.166
125475
99.9 %
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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: 1.2 Å / 溶媒モデル: MASK