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基本情報
登録情報 | ![]() |
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![]() | Phosphorylated Resistance to inhibitors of cholinesterase 8 homolog A, Ric-8A, amino acids 1-452 (Rattus norvegicus)
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機能・相同性 | ![]() cell-cell adhesion involved in gastrulation / cell migration involved in gastrulation / basement membrane organization / vasculature development / G-protein alpha-subunit binding / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / guanyl-nucleotide exchange factor activity / visual learning / in utero embryonic development / plasma membrane / cytoplasm 類似検索 - 分子機能 |
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![]() | ![]() タイトル: Structure, Function, and Dynamics of the Gα Binding Domain of Ric-8A. 著者: Baisen Zeng / Tung-Chung Mou / Tzanko I Doukov / Andrea Steiner / Wenxi Yu / Makaia Papasergi-Scott / Gregory G Tall / Franz Hagn / Stephen R Sprang / ![]() ![]() 要旨: Ric-8A is a 530-amino acid cytoplasmic molecular chaperone and guanine nucleotide exchange factor (GEF) for i, q, and 12/13 classes of heterortrimeric G protein alpha subunits (Gα). We report the 2. ...Ric-8A is a 530-amino acid cytoplasmic molecular chaperone and guanine nucleotide exchange factor (GEF) for i, q, and 12/13 classes of heterortrimeric G protein alpha subunits (Gα). We report the 2.2-Å crystal structure of the Ric-8A Gα-binding domain with GEF activity, residues 1-452, and is phosphorylated at Ser435 and Thr440. Residues 1-429 adopt a superhelical fold comprised of Armadillo (ARM) and HEAT repeats, and the C terminus is disordered. One of the phosphorylated residues potentially binds to a basic cluster in an ARM motif. Amino acid sequence conservation and published hydrogen-deuterium exchange data indicate repeats 3 through 6 to be a putative Gα-binding surface. Normal mode modeling of small-angle X-ray scattering data indicates that phosphorylation induces relative rotation between repeats 1-4, 5-6, and 7-9. 2D H-N-TROSY spectra of [H,N]-labeled Gαi1 in the presence of R452 reveals chemical shift perturbations of the C terminus and Gαi1 residues involved in nucleotide binding. |
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試料
![]() | 名称: Phosphorylated Resistance to inhibitors of cholinesterase 8 homolog A, Ric-8A, amino acids 1-452 (Rattus norvegicus) 試料濃度: 1 mg/ml |
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バッファ | 名称: 25mM HEPES, 150mM NaCl / pH: 8 |
要素 #1606 | 名称: Ric-8A / タイプ: protein 記述: Resistance to inhibitors of cholinesterase 8 homolog A 分子量: 51.09 / 分子数: 1 / 由来: Rattus norvegicus / 参照: UniProt: B1H241 配列: GMEPRAVADA LETGEEDAVT EALRSFNREH SQSFTFDDAQ QEDRKRLAKL LVSVLEQGLS PKHRVTWLQT IRILSRDRSC LDSFASRQSL HALACYADIA ISEEPIPQPP DMDVLLESLK CLCNLVLSSP TAQMLAAEAR LVVRLAERVG LYRKRSYPHE VQFFDLRLLF ...配列: GMEPRAVADA LETGEEDAVT EALRSFNREH SQSFTFDDAQ QEDRKRLAKL LVSVLEQGLS PKHRVTWLQT IRILSRDRSC LDSFASRQSL HALACYADIA ISEEPIPQPP DMDVLLESLK CLCNLVLSSP TAQMLAAEAR LVVRLAERVG LYRKRSYPHE VQFFDLRLLF LLTALRTDVR QQLFQELHGV RLLTDALELT LGVAPKENPL VILPAQETER AMEILKVLFN ITFDSVKREV DEEDAALYRY LGTLLRHCVM ADAAGDRTEE FHGHTVNLLG NLPLKCLDVL LALELHEGSL EFMGVNMDVI NALLAFLEKR LHQTHRLKEC VAPVLSVLTE CARMHRPARK FLKAQVLPPL RDVRTRPEVG DLLRNKLVRL MTHLDTDVKR VAAEFLFVLC SESVPRFIKY TGYGNAAGLL AARGLMAGGR PEGQYSEDED TDTEEYREAK ASI |
-実験情報
ビーム | 設備名称: Stanford Synchrotron Radiation Lightsource (SSRL) BL4-2 地域: Menlo Park, CA / 国: USA ![]() | ||||||||||||||||||||||||||||||
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検出器 | 名称: Rayonix MX225-HE | ||||||||||||||||||||||||||||||
スキャン | 測定日: 2018年4月24日 / 保管温度: 4 °C / セル温度: 23 °C / 照射時間: 1 sec. / フレーム数: 25 / 単位: 1/A /
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距離分布関数 P(R) |
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