- PDB-4a4m: Crystal structure of the light-activated constitutively active N2... -
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基本情報
登録情報
データベース: PDB / ID: 4a4m
タイトル
Crystal structure of the light-activated constitutively active N2C, M257Y,D282C rhodopsin mutant in complex with a peptide resembling the C-terminus of the Galpha-protein subunit (GaCT)
要素
GUANINE NUCLEOTIDE-BINDING PROTEIN G(T) SUBUNIT ALPHA-3
RHODOPSIN
キーワード
SIGNALING PROTEIN / G-PROTEIN / G-PROTEIN-COUPLED RECEPTORS / SIGNAL TANSDUCTION / VISUAL SYSTEM / METARHODOPSIN-II
機能・相同性
機能・相同性情報
Adenylate cyclase inhibitory pathway / Opsins / VxPx cargo-targeting to cilium / sensory perception of bitter taste / negative regulation of cyclic-nucleotide phosphodiesterase activity / sperm head plasma membrane / rod bipolar cell differentiation / absorption of visible light / sensory perception of umami taste / opsin binding ...Adenylate cyclase inhibitory pathway / Opsins / VxPx cargo-targeting to cilium / sensory perception of bitter taste / negative regulation of cyclic-nucleotide phosphodiesterase activity / sperm head plasma membrane / rod bipolar cell differentiation / absorption of visible light / sensory perception of umami taste / opsin binding / The canonical retinoid cycle in rods (twilight vision) / G protein-coupled opsin signaling pathway / photoreceptor inner segment membrane / Sensory perception of sweet, bitter, and umami (glutamate) taste / podosome assembly / G protein-coupled photoreceptor activity / 11-cis retinal binding / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / detection of light stimulus involved in visual perception / sensory perception of sweet taste / rod photoreceptor outer segment / cellular response to light stimulus / G protein-coupled receptor complex / Inactivation, recovery and regulation of the phototransduction cascade / thermotaxis / Activation of the phototransduction cascade / outer membrane / detection of temperature stimulus involved in thermoception / response to light intensity / photoreceptor cell maintenance / arrestin family protein binding / ADP signalling through P2Y purinoceptor 12 / Extra-nuclear estrogen signaling / photoreceptor outer segment membrane / G alpha (i) signalling events / acyl binding / phototransduction, visible light / response to light stimulus / photoreceptor outer segment / phototransduction / G-protein alpha-subunit binding / photoreceptor inner segment / sperm midpiece / visual perception / guanyl-nucleotide exchange factor activity / G protein-coupled receptor binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / microtubule cytoskeleton organization / photoreceptor disc membrane / GDP binding / cell-cell junction / heterotrimeric G-protein complex / gene expression / G protein-coupled receptor signaling pathway / Golgi membrane / GTPase activity / protein kinase binding / GTP binding / zinc ion binding / metal ion binding / identical protein binding / membrane / plasma membrane / cytoplasm 類似検索 - 分子機能
Rhodopsin, N-terminal / Amino terminal of the G-protein receptor rhodopsin / Rhodopsin / Opsin / Visual pigments (opsins) retinal binding site / Visual pigments (opsins) retinal binding site. / : / Rhopdopsin 7-helix transmembrane proteins / Rhodopsin 7-helix transmembrane proteins / G-protein alpha subunit, group I ...Rhodopsin, N-terminal / Amino terminal of the G-protein receptor rhodopsin / Rhodopsin / Opsin / Visual pigments (opsins) retinal binding site / Visual pigments (opsins) retinal binding site. / : / Rhopdopsin 7-helix transmembrane proteins / Rhodopsin 7-helix transmembrane proteins / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / G-protein coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family) / Up-down Bundle / P-loop containing nucleoside triphosphate hydrolase / Mainly Alpha 類似検索 - ドメイン・相同性
ACETATE ION / PALMITIC ACID / RETINAL / Rhodopsin / Guanine nucleotide-binding protein G(t) subunit alpha-1 / Guanine nucleotide-binding protein G(t) subunit alpha-3 類似検索 - 構成要素
ENGINEERED RESIDUE IN CHAIN A, ASN 2 TO CYS ENGINEERED RESIDUE IN CHAIN A, MET 257 TO TYR ...ENGINEERED RESIDUE IN CHAIN A, ASN 2 TO CYS ENGINEERED RESIDUE IN CHAIN A, MET 257 TO TYR ENGINEERED RESIDUE IN CHAIN A, ASP 282 TO CYS ENGINEERED RESIDUE IN CHAIN B, LYS 345 TO LEU
Has protein modification
Y
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 3
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試料調製
結晶
マシュー密度: 7.96 Å3/Da / 溶媒含有率: 84.43 % / 解説: NONE
結晶化
pH: 4.5 詳細: 3.0-3.4 M AMMONIUM SULPHATE, 100 MM SODIUM ACETATE PH 4.5
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データ収集
回折
平均測定温度: 100 K
放射光源
由来: シンクロトロン / サイト: SLS / ビームライン: X06SA / 波長: 1
検出器
タイプ: DECTRIS PILATUS 6M / 検出器: PIXEL
放射
プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
波長: 1 Å / 相対比: 1
反射
解像度: 3.3→45 Å / Num. obs: 17649 / % possible obs: 94.8 % / Observed criterion σ(I): -3 / 冗長度: 5.7 % / Biso Wilson estimate: 75.56 Å2 / Rmerge(I) obs: 0.18 / Net I/σ(I): 8.5
反射 シェル
解像度: 3.3→3.48 Å / 冗長度: 2.9 % / Rmerge(I) obs: 0.66 / Mean I/σ(I) obs: 1.8 / % possible all: 65.4