2D 1H-13C HSQC high resolution (L/V methyl stereoassignment)
1
7
2
2D 1H-15N hetNOE
1
8
1
3D HNCO
1
9
1
3DHN(CA)CO
1
10
1
3D HNCA
1
11
1
3DCBCA(CO)NH
1
12
1
3D HN(CA)CB
1
13
1
3DHBHA(CO)NH
1
14
1
3D (H)CCH-TOCSY
1
15
1
3D (H)CCH-COSY
1
16
1
3D CCH-TOCSY
1
17
1
1D 1H-15N T1 and T2
NMR実験の詳細
Text: THE PROTEIN IS MONOMERIC BY GEL FILTRATION CHROMATOGRAPHY, STATIC LIGHT SCATTERING AND 15N T1/T2 RELAXATION. THE STRUCTURE WAS DETERMINED USING TRIPLE RESONANCE NMR SPECTROSCOPY. SPECTRA FOR ...Text: THE PROTEIN IS MONOMERIC BY GEL FILTRATION CHROMATOGRAPHY, STATIC LIGHT SCATTERING AND 15N T1/T2 RELAXATION. THE STRUCTURE WAS DETERMINED USING TRIPLE RESONANCE NMR SPECTROSCOPY. SPECTRA FOR BACKBONE AND SIDE CHAIN ASSIGNMENTS WERE OBTAINED ON A 1.7-MM MICROCRYOPROBE AT 600 MHZ. ALL NOESY DATA WERE ACQUIRED AT 800 MHZ USING A 5-MM CRYOPROBE. BACKBONE ASSIGNMENTS WERE MADE USING PINE, AND THE SIDE CHAIN ASSIGNMENTS WERE COMPLETED MANUALLY. AUTOMATIC NOESY ASSIGNMENTS WERE DETERMINED USING CYANA 3.0. BACKBONE (PHI/PSI) DIHEDRAL ANGLE CONSTRAINTS WERE OBTAINED FROM TALOSplus. COMPLETENESS OF NMR ASSIGNMENTS (EXCLUDING C-TERMINAL HHHHHH): BACKBONE, 97.5%, SIDE CHAIN, 99.2%, AROMATICS, 100%, STEREOSPECIFIC METHYL, 90%, STEREOSPECIFIC SIDE CHAIN NH2: 66.7%. FINAL STRUCTURE QUALITY FACTORS (FOR RESIDUE NUMBERS 1 TO 97, PSVS 1.3), WHERE ORDERED RESIDUES [S(PHI) + S(PSI) > 1.8] COMPRISE: 7-85: (A) RMSD (ORDERED RESIDUES): BB, 0.5, HEAVY ATOM, 0.8. (B) RAMACHANDRAN STATISTICS FOR ORDERED RESIDUES: MOST FAVORED, 96.3%, ADDITIONALLY ALLOWED, 3.7%, GENEROUSLY ALLOWED, 0.0%, DISALLOWED, 0.0%. (C) PROCHECK SCORES FOR ORDERED RESIDUES (RAW/Z-): PHI-PSI, -0.45/-1.46, ALL, -0.27/-1.60. (D) MOLPROBITY CLASH SCORE (RAW/Z-): 14.17/-0.91 (E) RPF SCORES FOR GOODNESS OF FIT TO NOESY DATA (RESIDUES 1-97): RECALL, 0.979, PRECISION, 0.939, F-MEASURE, 0.959, DP-SCORE, 0.854. (F) NUMBER OF CLOSE CONTACTS PER 20 MODELS: 3. THE C-TERMINAL HIS TAG RESIDUES OF THE PROTEIN (HHHHHH) WERE NOT INCLUDED IN THE STRUCTURE CALCULATIONS AND HAVE BEEN OMITTED FROM THIS DEPOSITION. THE LIGANDS INVOLVED IN THE CALCIUM ION COORDINATION SPHERE ARE CONSISTENT WITH CHANGES IN THE NH-HSQC SPECTRUM UPON REMOVAL/ADDITION OF CA2+.
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試料調製
詳細
Solution-ID
内容
溶媒系
1
0.94 mM [U-100% 13C; U-100% 15N] BcR147A, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS, 90% H2O/10% D2O
90% H2O/10% D2O
2
0.78 mM [U-5% 13C; U-100% 15N] BcR147A, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS, 90% H2O/10% D2O
90% H2O/10% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
0.94mM
BcR147A-1
[U-100% 13C; U-100% 15N]
1
20mM
MES-2
1
200mM
sodium chloride-3
1
5mM
calcium chloride-4
1
10mM
DTT-5
1
0.02 %
sodium azide-6
1
50uM
DSS-7
1
0.78mM
BcR147A-8
[U-5% 13C; U-100% 15N]
2
20mM
MES-9
2
200mM
sodium chloride-10
2
5mM
calcium chloride-11
2
10mM
DTT-12
2
0.02 %
sodium azide-13
2
50uM
DSS-14
2
試料状態
イオン強度: 0.2 / pH: 6.5 / 圧: ambient / 温度: 298 K
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NMR測定
NMRスペクトロメーター
タイプ
製造業者
モデル
磁場強度 (MHz)
Spectrometer-ID
Bruker Avance
Bruker
AVANCE
800
1
Bruker Avance
Bruker
AVANCE
600
2
-
解析
NMR software
名称
バージョン
開発者
分類
TopSpin
2.1
BrukerBiospin
collection
TopSpin
2.1
BrukerBiospin
データ解析
NMRPipe
2.3
Delaglio, Grzesiek, Vuister, Zhu, PfeiferandBax
解析
Sparky
3.112
Goddard
データ解析
Sparky
3.112
Goddard
peakpicking
PINE
1
Bahrami, Markley, Assadi, andEghbalnia
chemicalshiftassignment
CYANA
3
Guntert, MumenthalerandWuthrich
構造決定
CNS
1.2
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
AutoStructure
2.2.1
Huang, Tejero, PowersandMontelione
rpfanalysis
PSVS
1.3
BhattacharyaandMontelione
structurequalityanalysis
MolProbity
3.15
Richardson
structurequalityanalysis
PdbStat
5.1
TejeroandMontelione
pdbcoordinateanalysis
TALOS
plus
Cornilescu, DelaglioandBax
dihedralangleconstraints
精密化
手法: simulated annealing / ソフトェア番号: 1 詳細: THE FINAL STRUCTURES ARE BASED ON A TOTAL OF 1806 CONFORMATIONALLY-RESTRICTING NOE-DERIVED DISTANCE CONSTRAINTS, 132 DIHEDRAL ANGLE CONSTRAINTS, AND 9 METAL-OXYGEN DISTANCE CONSTRAINTS (20.8 ...詳細: THE FINAL STRUCTURES ARE BASED ON A TOTAL OF 1806 CONFORMATIONALLY-RESTRICTING NOE-DERIVED DISTANCE CONSTRAINTS, 132 DIHEDRAL ANGLE CONSTRAINTS, AND 9 METAL-OXYGEN DISTANCE CONSTRAINTS (20.8 CONSTRAINTS PER RESIDUE, 7.3 LONG RANGE CONSTRAINTS PER RESIDUE, COMPUTED FOR RESIDUES 1 TO 97 BY PSVS 1.3). STRUCTURE DETERMINATION WAS PERFORMED ITERATIVELY USING CYANA 3.0. THE 20 STRUCTURES OUT OF 100 WITH THE LOWEST TARGET FUNCTION WERE FURTHER REFINED BY RESTRAINED MOLECULAR DYNAMICS/ENERGY MINIMIZATION IN EXPLICIT WATER (CNS) WITH PARAM19.
NMR constraints
NOE constraints total: 1806 / NOE intraresidue total count: 419 / NOE long range total count: 683 / NOE medium range total count: 179 / NOE sequential total count: 525 / Protein chi angle constraints total count: 1 / Protein other angle constraints total count: 1 / Protein phi angle constraints total count: 64 / Protein psi angle constraints total count: 66
代表構造
選択基準: lowest energy
NMRアンサンブル
コンフォーマー選択の基準: structures with the lowest energy 計算したコンフォーマーの数: 100 / 登録したコンフォーマーの数: 20 / Maximum torsion angle constraint violation: 6.2 ° / Maximum upper distance constraint violation: 0.26 Å