HIV-1 gp41 clade B double alanine mutant Membrane Proximal External Region peptide in DPC micelle
要素
Gp41
キーワード
MEMBRANE PROTEIN / MPER / viral fusion / helix-hinge-helix
機能・相同性
機能・相同性情報
Synthesis and processing of ENV and VPU / evasion of host immune response / Alpha-defensins / Dectin-2 family / Binding and entry of HIV virion / positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / positive regulation of establishment of T cell polarity / host cell endosome membrane / actin filament organization ...Synthesis and processing of ENV and VPU / evasion of host immune response / Alpha-defensins / Dectin-2 family / Binding and entry of HIV virion / positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / positive regulation of establishment of T cell polarity / host cell endosome membrane / actin filament organization / Assembly Of The HIV Virion / Budding and maturation of HIV virion / clathrin-dependent endocytosis of virus by host cell / viral protein processing / symbiont entry into host cell / fusion of virus membrane with host plasma membrane / virus-mediated perturbation of host defense response / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / apoptotic process / host cell plasma membrane / structural molecule activity / virion membrane / membrane 類似検索 - 分子機能
3D HNCO,HNCA,HN(CA)CB,HN(COCA)CB,HN(CO)CA,HN(CA)CO
1
2
1
3D C(CO)NH,H(CCO)NH,(H)CCH-TOCSY
1
3
1
3D 1H-13C NOESY
1
4
2
3D 1H-15N NOESY
1
5
2
3D HNHA
1
6
3
2D 1H-1H NOESY,TOCSY
1
7
4
Q-J RDC
NMR実験の詳細
Text: MODELS SUPERIMPOSED FROM RESIDUE 666 TO RESIDUE 682.
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試料調製
詳細
Solution-ID
内容
溶媒系
1
1 mM [U-100% 13C; U-100% 15N] MPER-HXB2-AA, 100 mM [U-100% 2H] DPC, 90% H2O/10% D2O
90% H2O/10% D2O
2
1 mM [U-100% 15N] MPER-HXB2-AA, 100 mM [U-100% 2H] DPC, 90% H2O/10% D2O
90% H2O/10% D2O
3
1 mM MPER-HXB2-AA, 100 mM [U-100% 2H] DPC, 100% D2O
100% D2O
4
1 mM [U-100% 13C; U-100% 15N] MPER-HXB2-AA, 100 mM [U-100% 2H] DPC, 20 mg/mL DNA nanotube, 90% H2O/10% D2O
90% H2O/10% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
1mM
MPER-HXB2-AA-1
[U-100% 13C; U-100% 15N]
1
100mM
DPC-2
[U-100% 2H]
1
1mM
MPER-HXB2-AA-3
[U-100% 15N]
2
100mM
DPC-4
[U-100% 2H]
2
1mM
MPER-HXB2-AA-5
3
100mM
DPC-6
[U-100% 2H]
3
1mM
MPER-HXB2-AA-7
[U-100% 13C; U-100% 15N]
4
100mM
DPC-8
[U-100% 2H]
4
20mg/mL
DNA nanotube-9
4
試料状態
イオン強度: 0 / pH: 6.6 / 圧: ambient / 温度: 308 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
750
2
Bruker Avance
Bruker
AVANCE
600
3
Bruker Avance
Bruker
AVANCE
500
4
-
解析
NMR software
名称
バージョン
開発者
分類
NMRPipe
9
Delaglio, Grzesiek, Vuister, Zhu, PfeiferandBax
解析
CARA
1.8.4
RochusKeller
データ解析
CARA
1.8.4
RochusKeller
chemicalshiftassignment
CARA
1.8.4
RochusKeller
peakpicking
TALOS
+
Shen, Cornilescu, DelaglioandBax
データ解析
CYANA
3.0c
Guntert, MumenthalerandWuthrich
構造決定
X-PLOR NIH
2.28
Schwieters, Kuszewski, TjandraandClore
精密化
精密化
手法: simulated annealing / ソフトェア番号: 1 詳細: Structure models were calculated using TENSO module incorporating RDC restraints during the high temperature torsion angle dynamics annealing stage, and planeDisPot module incorporating EPR ...詳細: Structure models were calculated using TENSO module incorporating RDC restraints during the high temperature torsion angle dynamics annealing stage, and planeDisPot module incorporating EPR depth restraints during the subsequent low temperature Cartesian coordinate dynamics annealing stage.
NMR constraints
NOE constraints total: 335 / NOE intraresidue total count: 159 / NOE long range total count: 6 / NOE medium range total count: 67 / NOE sequential total count: 103 / Protein chi angle constraints total count: 0 / Protein other angle constraints total count: 0 / Protein phi angle constraints total count: 25 / Protein psi angle constraints total count: 22
代表構造
選択基準: closest to the average
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: 30 / 登録したコンフォーマーの数: 10 / Maximum torsion angle constraint violation: 4.1 ° / Maximum upper distance constraint violation: 0.29 Å