- PDB-2m5e: Structure of the C-domain of Calcium-saturated Calmodulin bound t... -
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基本情報
登録情報
データベース: PDB / ID: 2m5e
タイトル
Structure of the C-domain of Calcium-saturated Calmodulin bound to the IQ motif of NaV1.2
要素
Calmodulin
Sodium channel protein type 2 subunit alpha
キーワード
CALCIUM-BINDING PROTEIN/METAL TRANSPORT / Calcium Binding Protein / NaV1.2 / Ion Channel Gating / IQ Motif / Metal Binding / Sodium Channels / Metal Transport / Voltage Dependent / Voltage Gated / Calcium Binding Protein-Metal Transport Complex / Neuronal Peptides / EF-Hand / CALCIUM-BINDING PROTEIN-METAL TRANSPORT complex
機能・相同性
機能・相同性情報
leucine zipper domain binding / intrinsic apoptotic signaling pathway in response to osmotic stress / nerve development / corpus callosum development / paranode region of axon / membrane depolarization during action potential / dentate gyrus development / voltage-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / axon initial segment / node of Ranvier ...leucine zipper domain binding / intrinsic apoptotic signaling pathway in response to osmotic stress / nerve development / corpus callosum development / paranode region of axon / membrane depolarization during action potential / dentate gyrus development / voltage-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / axon initial segment / node of Ranvier / voltage-gated sodium channel complex / voltage-gated sodium channel activity / optic nerve development / sodium ion transport / axon development / intercalated disc / neuronal action potential / enzyme regulator activity / T-tubule / myelination / sodium ion transmembrane transport / determination of adult lifespan / cerebral cortex development / memory / nervous system development / presynaptic membrane / neuron apoptotic process / cellular response to hypoxia / calmodulin binding / axon / calcium ion binding / glutamatergic synapse / membrane / plasma membrane / cytoplasm 類似検索 - 分子機能
Voltage-gated Na+ ion channel, cytoplasmic domain / Cytoplasmic domain of voltage-gated Na+ ion channel / SCN5A-like, C-terminal IQ motif / Sodium ion transport-associated / Voltage-gated sodium channel alpha subunit, inactivation gate / Sodium ion transport-associated / Voltage gated sodium channel, alpha subunit / Voltage-gated cation channel calcium and sodium / Short calmodulin-binding motif containing conserved Ile and Gln residues. / IQ motif, EF-hand binding site ...Voltage-gated Na+ ion channel, cytoplasmic domain / Cytoplasmic domain of voltage-gated Na+ ion channel / SCN5A-like, C-terminal IQ motif / Sodium ion transport-associated / Voltage-gated sodium channel alpha subunit, inactivation gate / Sodium ion transport-associated / Voltage gated sodium channel, alpha subunit / Voltage-gated cation channel calcium and sodium / Short calmodulin-binding motif containing conserved Ile and Gln residues. / IQ motif, EF-hand binding site / IQ motif profile. / Voltage-dependent channel domain superfamily / : / EF-hand domain pair / EF-hand, calcium binding motif / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / EF-hand calcium-binding domain profile. / EF-hand domain / Ion transport domain / Ion transport protein / EF-hand domain pair 類似検索 - ドメイン・相同性
Sodium channel protein type 2 subunit alpha / Calmodulin 類似検索 - 構成要素
Sodiumchannelproteintype2subunitalpha / Sodium channel protein brain II subunit alpha / Sodium channel protein type II subunit alpha / ...Sodium channel protein brain II subunit alpha / Sodium channel protein type II subunit alpha / Voltage-gated sodium channel subunit alpha Nav1.2
1.5 mM [U-100% 13C; U-100% 15N] C-domain of Calmodulin, 1.5 mM IQ motif peptide of NaV1.2, 3.3 mM CALCIUM ION, 10 mM [U-2H] imidazole, 100 mM potassium chloride, 0.01 % sodium azide, 50 uM [U-2H] EDTA, 95% H2O/5% D2O
95% H2O/5% D2O
2
1.5 mM [U-100% 13C; U-100% 15N] C-domain of Calmodulin, 1.5 mM IQ motif peptide of NaV1.2, 3.3 mM CALCIUM ION, 10 mM [U-2H] imidazole, 100 mM potassium chloride, 0.01 % sodium azide, 50 uM [U-2H] EDTA, 100% D2O
100% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
1.5mM
C-domain of Calmodulin-1
[U-100% 13C; U-100% 15N]
1
1.5mM
IQ motif peptide of NaV1.2-2
1
3.3mM
CALCIUM ION-3
1
10mM
imidazole-4
[U-2H]
1
100mM
potassium chloride-5
1
0.01 %
sodium azide-6
1
50uM
EDTA-7
[U-2H]
1
1.5mM
C-domain of Calmodulin-8
[U-100% 13C; U-100% 15N]
2
1.5mM
IQ motif peptide of NaV1.2-9
2
3.3mM
CALCIUM ION-10
2
10mM
imidazole-11
[U-2H]
2
100mM
potassium chloride-12
2
0.01 %
sodium azide-13
2
50uM
EDTA-14
[U-2H]
2
試料状態
pH: 6.8 / 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 II
Bruker
AVANCEII
500
1
Bruker Avance II
Bruker
AVANCEII
800
2
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解析
NMR software
名称
バージョン
開発者
分類
TopSpin
2.1
BrukerBiospin
collection
Sparky
3.115
Goddard
chemicalshiftassignment
Sparky
3.115
Goddard
peakpicking
Sparky
3.115
Goddard
データ解析
NMRPipe
Delaglio, Grzesiek, Vuister, Zhu, PfeiferandBax
解析
NMRPipe
Delaglio, Grzesiek, Vuister, Zhu, PfeiferandBax
データ解析
Analysis
2.1.5
CCPN
peakpicking
Analysis
2.1.5
CCPN
chemicalshiftassignment
Analysis
2.1.5
CCPN
データ解析
ARIA
2.3
Linge, O'DonoghueandNilges
構造決定
ARIA
2.3
Linge, O'DonoghueandNilges
データ解析
CNSSOLVE
1.21
Brunger, Adams, Clore, Gros, NilgesandRead
構造決定
CNSSOLVE
1.21
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
CNSSOLVE
1.21
Brunger, Adams, Clore, Gros, NilgesandRead
データ解析
X-PLOR NIH
2.23
Schwieters, Kuszewski, TjandraandClore
構造決定
X-PLOR NIH
2.23
Schwieters, Kuszewski, TjandraandClore
データ解析
ProcheckNMR
3.5.4
LaskowskiandMacArthur
データ解析
精密化
手法: simulated annealing / ソフトェア番号: 1 詳細: RESIDUES 1901-1903 AND 1925-1927 IN THE PEPTIDE ARE COMPLETELY UNRESTRAINED
NMR constraints
NOE constraints total: 2721 / NOE intraresidue total count: 492 / NOE long range total count: 399 / NOE medium range total count: 415 / NOE sequential total count: 393
代表構造
選択基準: minimized average structure
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: 300 / 登録したコンフォーマーの数: 21
NMR ensemble rms
Distance rms dev: 0.0039 Å / Distance rms dev error: 0.0001 Å