FME IS INITIATING N-FORMYLMETHIONINE THAT IS THE BIOLOGICAL STARTING RESIDUE IN E. COLI WHICH HAS ...FME IS INITIATING N-FORMYLMETHIONINE THAT IS THE BIOLOGICAL STARTING RESIDUE IN E. COLI WHICH HAS BEEN USED FOR BACTERIAL EXPRESSION. THE OTHER WAY, IN CASE OF THE STARTING METHIONINE OF CHAIN B, THE DEPOSITORS DID NOT SEE THESE ADDITIONAL GROUPS, WHICH IS PROBABLY DUE TO THE FACT THAT THE SIDECHAIN OF THIS RESIDUE IS IN A DIFFERENT CRYSTAL PACKING ENVIRONMENT.
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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: 1.93 Å3/Da / 溶媒含有率: 39.4 %
結晶化
温度: 293.15 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 5.6 詳細: protein solution: 50mM sodium acetate pH 5.6, 50mg/ml protein. reservoir solution: 25% PEG 3350, 0.1M citric acids pH 3.5. Drop 400nl protein solution & 400nl reservoir solution, 80 micro-l ...詳細: protein solution: 50mM sodium acetate pH 5.6, 50mg/ml protein. reservoir solution: 25% PEG 3350, 0.1M citric acids pH 3.5. Drop 400nl protein solution & 400nl reservoir solution, 80 micro-l reservoir, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K
解像度: 0.88→19.466 Å / Num. parameters: 10668 / Num. restraintsaints: 13229 / 交差検証法: FREE R / σ(F): 0 / 立体化学のターゲット値: Engh & Huber 詳細: According to PROCHECK and WHATCHECK, no backbone outliers were reported. The ASN A8 backbone and sidechain groups are centered in their 2FOFC density
Rfactor
反射数
%反射
Selection details
Rfree
0.1493
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5 %
RANDOM
Rwork
0.1239
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obs
0.125
76999
99.3 %
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all
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77514
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Refine analyze
Num. disordered residues: 17 / Occupancy sum hydrogen: 853 / Occupancy sum non hydrogen: 1102.25