- PDB-3tx8: Crystal structure of a succinyl-diaminopimelate desuccinylase (Ar... -
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基本情報
登録情報
データベース: PDB / ID: 3tx8
タイトル
Crystal structure of a succinyl-diaminopimelate desuccinylase (ArgE) from Corynebacterium glutamicum ATCC 13032 at 2.97 A resolution
要素
Succinyl-diaminopimelate desuccinylase
キーワード
HYDROLASE / peptidase / Structural Genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-BIOLOGY
機能・相同性
機能・相同性情報
succinyl-diaminopimelate desuccinylase / succinyl-diaminopimelate desuccinylase activity / diaminopimelate biosynthetic process / lysine biosynthetic process via diaminopimelate / metal ion binding 類似検索 - 分子機能
ジャーナル: Acta Crystallogr.,Sect.D / 年: 2012 タイトル: Application of DEN refinement and automated model building to a difficult case of molecular-replacement phasing: the structure of a putative succinyl-diaminopimelate desuccinylase from ...タイトル: Application of DEN refinement and automated model building to a difficult case of molecular-replacement phasing: the structure of a putative succinyl-diaminopimelate desuccinylase from Corynebacterium glutamicum. 著者: Brunger, A.T. / Das, D. / Deacon, A.M. / Grant, J. / Terwilliger, T.C. / Read, R.J. / Adams, P.D. / Levitt, M. / Schroder, G.F.
1. THE CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS ...1. THE CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS CLEAVED WITH TEV PROTEASE LEAVING GLY(0) FOLLOWED BY THE TARGET SEQUENCE. 2. DNA SEQUENCING OF THE CLONED CONSTRUCT REVEALS TWO AMINO ACID SUBSTITUTIONS (E4N AND K6Q) AND ONE AMINO ACID DELETION (L5DEL), WHEN COMPARED TO THE AVAILABLE GENBANK SEQUENCE (NP_600337.1) FROM CORYNEBACTERIUM GLUTAMICUM 534 (ATCC 13032).
解像度: 2.972→29.543 Å / Occupancy max: 1 / Occupancy min: 0.75 / SU ML: 0.71 / σ(F): 1.87 / 位相誤差: 28.12 / 立体化学のターゲット値: MLHL 詳細: 1. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED ...詳細: 1. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 3. PHOSPHATE (PO4) AND CHLORIDE (CL) FROM THE CRYSTALLIZATION SOLUTION HAVE BEEN MODELED IN THE SOLVENT STRUCTURE. 4. THE STRUCTURE WAS SOLVED BY A COMBINATION OF MOLECULAR REPLACEMENT USING PHASER AND DEN REFINEMENT IN CNS, IN CONJUCTION WITH MODELLER, AUTOBUILD AND EXPERIMENTAL PHASING WITH SE MAD PHASES 5.THE REFINEMENT WAS RESTRAINED WITH THE MAD PHASES.
Rfactor
反射数
%反射
Rfree
0.2566
1649
10.24 %
Rwork
0.2379
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obs
0.2399
16098
99.07 %
溶媒の処理
減衰半径: 0.83 Å / VDWプローブ半径: 1.1 Å / 溶媒モデル: FLAT BULK SOLVENT MODEL / Bsol: 62.72 Å2 / ksol: 0.342 e/Å3