手法: 溶液NMR 詳細: The solution structure of calcium binding domain 2B of NCX3 is solved in excess of 10 mM CaCl2. However, Ca ions are not modeled in the structure, because resonances of crucial coordinating ...詳細: The solution structure of calcium binding domain 2B of NCX3 is solved in excess of 10 mM CaCl2. However, Ca ions are not modeled in the structure, because resonances of crucial coordinating residues are lacking: res 605 to 610 and 665 to 669.
NMR実験
Conditions-ID
Experiment-ID
Solution-ID
タイプ
1
1
1
2D 1H-15N HSQC
1
2
1
3D HNCO
1
3
1
3D HN(CA)CB
1
4
1
3DCBCA(CO)NH
1
5
1
3DHBHA(CO)NH
1
6
1
3D (H)CCH-TOCSY
1
7
1
3D HNHA
1
8
2
2D 1H-15N IPAPHSQC
1
9
3
2D 1H-13C IPAPHSQC
1
10
1
3D 1H-13C NOESY aliphatic
1
11
1
3D 1H-13C NOESY aromatic
1
12
1
3D 1H-15N NOESY
1
13
1
3DC(CO)NH
-
試料調製
詳細
Solution-ID
内容
溶媒系
1
0.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM HEPES, 20 mM beta-mercaptoethanol, 10 mM CaCl2, 95% H2O/5% D2O
95% H2O/5% D2O
2
0.5 mM [U-100% 15N] protein, 20 mM HEPES, 20 mM beta-mercaptoethanol, 10 mM CaCl2, 8 mg/mL Pf1 phage, 95% H2O/5% D2O
95% H2O/5% D2O
3
0.5 mM [U-100% 15N] protein, 20 mM HEPES, 20 mM beta-mercaptoethanol, 10 mM CaCl2, 95% H2O/5% D2O
95% H2O/5% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
0.5mM
entity-1
[U-100% 13C; U-100% 15N]
1
20mM
HEPES-2
1
20mM
beta-mercaptoethanol-3
1
10mM
CaCl2-4
1
0.5mM
entity-5
[U-100% 15N]
2
20mM
HEPES-6
2
20mM
beta-mercaptoethanol-7
2
10mM
CaCl2-8
2
8mg/mL
Pf1 phage-9
2
0.5mM
entity-10
[U-100% 15N]
3
20mM
HEPES-11
3
20mM
beta-mercaptoethanol-12
3
10mM
CaCl2-13
3
試料状態
イオン強度: 20 / pH: 7 / 圧: ambient / 温度: 306 K
-
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
Varian INOVA
Varian
INOVA
800
1
Varian INOVA
Varian
INOVA
600
2
-
解析
NMR software
名称
バージョン
開発者
分類
CCPN_Analysis
2.2.2
CCPN
chemicalshiftassignment
CCPN_Analysis
2.2.2
CCPN
peakpicking
NMRPipe
2007
Delaglio, Grzesiek, Vuister, Zhu, PfeiferandBax
解析
NMRDraw
2007
Delaglio, Grzesiek, Vuister, Zhu, PfeiferandBax
データ解析
CYANA
3
Guntert, MumenthalerandWuthrich
構造決定
YASARA
11.9.18
E. Krieger, KoraimannG, VriendG
精密化
精密化
手法: simulated annealing / ソフトェア番号: 1 詳細: THE SOLUTION STRUCTURE OF CALCIUM BINDING DOMAIN 2B OF NCX3 IS SOLVED IN EXCESS OF 10 MM CACL2. HOWEVER, CA IONS ARE NOT MODELED IN THE STRUCTURE, BECAUSE RESONANCES OF CRUCIAL COORDINATING ...詳細: THE SOLUTION STRUCTURE OF CALCIUM BINDING DOMAIN 2B OF NCX3 IS SOLVED IN EXCESS OF 10 MM CACL2. HOWEVER, CA IONS ARE NOT MODELED IN THE STRUCTURE, BECAUSE RESONANCES OF CRUCIAL COORDINATING RESIDUES ARE LACKING: RES 605 TO 610 AND 665 TO 669. THE REFINEMENT PROTOCOL IN EXPLICIT WATER, INCLUDING DISTANCE AND DIHEDRAL RESTRAINTS. THE RDC RESTRAINTS WERE NOT INCLUDED IN THE REFINEMENT.
NMR constraints
NOE constraints total: 2901 / NOE long range total count: 1289 / NOE medium range total count: 279 / Protein phi angle constraints total count: 93 / Protein psi angle constraints total count: 93
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: target function / 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