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データを開く
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基本情報
登録情報 | データベース: PDB / ID: 7vhp | ||||||
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タイトル | Structural insights into the membrane microdomain organization by SPFH family proteins | ||||||
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![]() | MEMBRANE PROTEIN / membrane microdomain organization | ||||||
機能・相同性 | ![]() regulation of peptidase activity / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; その他のペプチターゼ / ATP-dependent peptidase activity / membrane => GO:0016020 / protein catabolic process / metalloendopeptidase activity / peptidase activity / cell division / ATP hydrolysis activity / proteolysis ...regulation of peptidase activity / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; その他のペプチターゼ / ATP-dependent peptidase activity / membrane => GO:0016020 / protein catabolic process / metalloendopeptidase activity / peptidase activity / cell division / ATP hydrolysis activity / proteolysis / zinc ion binding / ATP binding / membrane / plasma membrane 類似検索 - 分子機能 | ||||||
生物種 | ![]() ![]() | ||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.27 Å | ||||||
![]() | Ma, C.Y. / Wang, C.K. / Luo, D.Y. / Yan, L. / Yang, W.X. / Li, N.N. / Gao, N. | ||||||
資金援助 | 1件
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![]() | ![]() タイトル: Structural insights into the membrane microdomain organization by SPFH family proteins. 著者: Chengying Ma / Chengkun Wang / Dingyi Luo / Lu Yan / Wenxian Yang / Ningning Li / Ning Gao / ![]() 要旨: The lateral segregation of membrane constituents into functional microdomains, conceptually known as lipid raft, is a universal organization principle for cellular membranes in both prokaryotes and ...The lateral segregation of membrane constituents into functional microdomains, conceptually known as lipid raft, is a universal organization principle for cellular membranes in both prokaryotes and eukaryotes. The widespread Stomatin, Prohibitin, Flotillin, and HflK/C (SPFH) family proteins are enriched in functional membrane microdomains at various subcellular locations, and therefore were hypothesized to play a scaffolding role in microdomain formation. In addition, many SPFH proteins are also implicated in highly specific processes occurring on the membrane. However, none of these functions is understood at the molecular level. Here we report the structure of a supramolecular complex that is isolated from bacterial membrane microdomains and contains two SPFH proteins (HflK and HflC) and a membrane-anchored AAA+ protease FtsH. HflK and HflC form a circular 24-mer assembly, featuring a laterally segregated membrane microdomain (20 nm in diameter) bordered by transmembrane domains of HflK/C and a completely sealed periplasmic vault. Four FtsH hexamers are embedded inside this microdomain through interactions with the inner surface of the vault. These observations provide a mechanistic explanation for the role of HflK/C and their mitochondrial homologs prohibitins in regulating membrane-bound AAA+ proteases, and suggest a general model for the organization and functionalization of membrane microdomains by SPFH proteins. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 1.6 MB | 表示 | ![]() |
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PDB形式 | ![]() | 1.2 MB | 表示 | ![]() |
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-検証レポート
文書・要旨 | ![]() | 1.1 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 1.1 MB | 表示 | |
XML形式データ | ![]() | 174.9 KB | 表示 | |
CIF形式データ | ![]() | 277.6 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 32002MC ![]() 7vhqC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 ( |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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リンク
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集合体
登録構造単位 | ![]()
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要素
#1: タンパク質 | 分子量: 70797.031 Da / 分子数: 24 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() 遺伝子: ftsH, ftsH_1, ftsH_2, ftsH_3, BANRA_01798, BANRA_03817, BANRA_04194, BANRA_04343, BvCms2454_04835, BvCmsC61A_01490, BvCmsHHP019_05301, BvCmsHHP056_02497, BvCmsKKP005_04143, BvCmsKKP036_ ...遺伝子: ftsH, ftsH_1, ftsH_2, ftsH_3, BANRA_01798, BANRA_03817, BANRA_04194, BANRA_04343, BvCms2454_04835, BvCmsC61A_01490, BvCmsHHP019_05301, BvCmsHHP056_02497, BvCmsKKP005_04143, BvCmsKKP036_00257, BvCmsKKP057_00928, BvCmsKKP061_00875, BvCmsKSNP073_02150, BvCmsKSP011_02063, BvCmsKSP067_01451, BvCmsKSP076_01617, BvCmsNSNP036_02138, BvCmsSIP024_04392, BvCmsSIP082_00789, CV83915_02920, EC3234A_53c00570, EC95NR1_02561, ERS085358_02102, ERS085366_00565, ERS085386_00500, ERS085406_02919, ERS139208_02225, Esc0902E_34410, ETECE1373_00582, ETECE36_01186, ETECE925_00608, HmCms169_01189, HmCms184_00222, HmCmsJML074_04865, JE86ST02C_36600, JE86ST05C_36640, MS7163_03476, NCTC10082_02960, NCTC10089_00619, NCTC10090_03652, NCTC10764_03997, NCTC10865_00800, NCTC11022_03344, NCTC11112_00879, NCTC11126_02919, NCTC11181_02861, NCTC12950_00611, NCTC13148_03277, NCTC13216_01230, NCTC4450_02597, NCTC7922_03737, NCTC7927_00682, NCTC7928_02353, NCTC8008_05220, NCTC8179_06085, NCTC8500_00501, NCTC8621_00639, NCTC8959_03144, NCTC8960_03202, NCTC9036_00669, NCTC9044_01223, NCTC9045_00707, NCTC9048_00646, NCTC9050_03735, NCTC9075_00889, NCTC9077_00753, NCTC9081_01067, NCTC9111_00988, NCTC9434_00556, NCTC9702_00663, NCTC9703_05090, NCTC9706_02858, NCTC9775_04136, NCTC9777_02143, PGD_03938, SAMEA3472043_01811, SAMEA3472044_03322, SAMEA3472056_03082, SAMEA3472064_00676, SAMEA3472080_00955, SAMEA3472112_01517, SAMEA3472117_01725, SAMEA3472120_02456, SAMEA3472147_01888, SAMEA3484427_00598, SAMEA3484429_00744, SAMEA3485101_01720, SAMEA3485110_00623, SAMEA3751407_00536, SAMEA3752312_02461, SAMEA3752386_00450, SAMEA3753064_02946, SAMEA3753290_00138, SAMEA3753300_02121, SM09_03453, THOESC010_05460, TUM18780_05440, WP2S18E08_05220, WP4S18E07_05560, WP4S18E08_05420 発現宿主: ![]() ![]() 参照: UniProt: A0A024LAA6, 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; その他のペプチターゼ #2: タンパク質 | 分子量: 45598.793 Da / 分子数: 12 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() 遺伝子: hflK, hflK_1, hflK_2, A6519_001745, A6592_09725, A8C65_01745, A8W81_003029, A8X68_000832, A9819_23885, A9X72_22800, AAG43_001305, AAS29_001394, ABE90_022860, ABT96_001979, ACN002_4400, ...遺伝子: hflK, hflK_1, hflK_2, A6519_001745, A6592_09725, A8C65_01745, A8W81_003029, A8X68_000832, A9819_23885, A9X72_22800, AAG43_001305, AAS29_001394, ABE90_022860, ABT96_001979, ACN002_4400, ACN68_17960, ACN81_01545, ACU57_19135, ACW72_001442, AM270_14655, AM464_15610, AMK64_000388, AO169_001107, AT335_001051, AUQ29_20590, AW059_20300, AW086_09965, B2D52_002145, B5N24_002885, B6L15_001818, B6R12_001213, B6R15_002000, B6R17_000435, B6R27_001127, B6R48_001127, B6R87_001128, B7C15_002844, BANRA_02754, BANRA_02863, BE963_12385, BF481_004151, BFL24_28330, BG821_000571, BHF52_13010, BHS81_24975, BHS87_23380, BIZ41_02865, BJI68_16630, BJJ90_23295, BK292_24855, BK375_06700, BKD45_001714, BMC79_002199, BMR21_08485, BMT50_06160, BMT91_05645, BN17_41511, BO068_002517, BOB65_001220, BOH76_10870, BON63_12720, BON65_22450, BON70_11075, BON72_19745, BON73_07535, BON76_04120, BON83_17400, BON92_18435, BON93_15510, BON94_18225, BON96_04085, BON98_15490, BRV34_000762, BRV41_002747, BTQ06_07290, BUE81_24150, BUE82_22495, BvCms2454_04355, BvCmsC61A_01680, BvCmsHHP019_00839, BvCmsHHP056_01641, BvCmsKKP005_02259, BvCmsKKP036_00104, BvCmsKKP057_02394, BvCmsKKP061_03355, BvCmsKSNP073_03478, BvCmsKSP011_04670, BvCmsKSP067_03844, BvCmsKSP076_04394, BvCmsNSNP036_02335, BvCmsSIP082_00672, BVL39_04255, BXT93_16385, BZL69_06755, C2U48_11640, C3F40_14180, C5542_000569, C5715_23370, C5F72_23640, C5N07_07180, C5Y87_09380, C6B22_03255, C6N50_003506, C7B02_22710, C9114_00835, C9E67_27580, C9Z62_19540, CA593_04940, CBT22_001965, CCS08_01775, CCZ91_002203, CDC27_22675, CF32_000405, CG692_00215, CG831_001929, CIG67_23195, CLG78_004222, COD50_25005, CQB02_20420, CR539_02820, CS116_002254, CV83915_01855, CWS33_03550, CXJ73_002149, CY655_26335, D0X26_12950, D3822_10590, D3O91_01570, D3Y67_00715, D4V09_14425, D5H22_23970, D9D31_07890, D9D43_14560, D9D77_08735, D9E34_14855, D9H13_15300, D9H94_06295, D9J03_08445, D9J11_13475, DAH18_07400, DAH23_05540, DAH34_17745, DAH37_06200, DAH50_08360, DB282_10350, DD762_20800, DEN95_17280, DEO15_07875, DIV22_15560, DL654_20975, DLX40_22285, DM968_08655, DN627_22580, DNQ45_06710, DP258_23175, DRW19_23360, DS732_02655, DTL43_02345, DTL90_17250, DTM45_20950, DU321_10415, DXT69_21915, DXT71_04260, DXT73_07390, E0I42_01060, E0N24_15540, E2112_14640, E2119_06465, E2127_06860, E2128_01910, E2129_03990, E2135_09640, E4K51_09085, E4K54_09665, E5P52_11720, E5S34_00845, E5S38_10455, E5S47_20580, E5S52_05155, E5S61_21835, E5S62_12240, EAI46_08375, EAN77_04025, EBP16_20780, EC1094V2_4081, EC3234A_108c00160, EC95NR1_03794, ECs5150, ED648_13765, EGC08_07270, EH88_000588, EHD79_20020, EHH55_18930, EI021_09690, EI041_05010, EIZ93_17475, EKI52_12650, EL79_4169, EL80_4084, ELT17_13910, ELT21_00845, ELT29_19175, ELU85_14525, ELV08_11370, ELV15_00975, ELV28_07675, ELX69_13470, ELX96_07270, ELY05_00525, ELY32_09020, ELY41_00540, ELY48_02815, EO241_14855, ERS085366_02335, ERS139208_00850, ETECE1373_04258, ETECE925_04168, EXX13_20220, EYX47_03520, EYX55_02905, EYY34_13925, F2N27_07320, F2N28_06810, F3N40_08340, F9400_18305, F9407_16545, F9B07_05995, F9S76_18130, F9S83_12630, F9V07_13695, F9V24_16410, F9X20_007165, F9X20_07235, FA849_10885, FA868_05460, FC554_05795, FEL34_15225, FFF58_08240, FGY90_11850, FHD44_08690, FHR00_07400, FJQ51_04640, FKO60_18290, FMP09_08525, FOI11_014740, FOI11_20940, FPS82_03975, FQE77_15260, FQF29_05195, FV293_00865, FVB16_06380, FWK02_13090, FY127_03730, G3813_002774, G4A38_03090, G5696_13885, G6Z99_19860, G7635_003092, GAJ26_12530, GBE29_17460, GF646_10360, GFY34_21205, GIB53_02425, GKF86_05500, GKF89_03455, GKG12_11675, GKZ24_24990, GNO40_09845, GOP20_15705, GP650_21115, GP662_06525, GP979_12080, GQA06_06275, GQE42_10425, GQE64_09105, GQE87_16240, GQF58_15680, GQF59_13895, GQM04_15800, GQM06_01935, GQM09_08025, GQM10_00835, GQW07_15995, GQW68_01985, GQW76_14640, GRO95_15840, GRQ19_15895, GRW05_08865, GRW80_01335, GRW81_08410, GSY44_04535, GUC01_09055, GW978_03300, GXV26_004242, H0O53_13460, H0O72_04915, H4P50_23020, H4P51_22860, HHG09_002879, HHH44_002336, HIE44_001312, HIF90_000433, HIR12_000250, HJ940_001563, HJ942_000803, HJN04_003334, HJO75_003272, HJQ60_002514, HJS37_003331, HJS41_003150, HJU54_000802, HL563_08480, HLU56_08180, HLZ50_23395, HmCmsJML074_01365, HMT08_17905, HMV95_06705, HNC36_09185, HNC52_04490, HNC59_12550, HNC66_09365, HNC99_21075, HNV65_03230, HPE39_02365, HV109_21490, HVW11_07920, HVW43_13980, HVX16_23365, HVX31_18205, HVX32_02295, HVZ30_18915, HVZ33_22260, HVZ71_22535, HX136_22685, HZ71_003229, HZ72_003440, I6H00_16150, I6H01_15315, I6H02_16705, IA00_000506, JE86ST02C_47500, JE86ST05C_48560, NCTC10082_01824, NCTC10090_02573, NCTC10429_04710, NCTC10974_05098, NCTC11022_04511, NCTC11181_01756, NCTC11341_03057, NCTC12950_04913, NCTC13127_05909, NCTC13216_02308, NCTC4450_01452, NCTC7922_05246, NCTC8008_04078, NCTC8500_05052, NCTC8959_04284, NCTC8960_02016, NCTC9036_04401, NCTC9044_02658, NCTC9045_05319, NCTC9048_04880, NCTC9077_05652, NCTC9117_05600, NCTC9702_05278, NCTC9706_01788, NCTC9777_00916, NCTC9969_04623, ND22_003119, PGD_03356, PU06_09640, RG28_05870, SAMEA3472043_02154, SAMEA3472044_01523, SAMEA3472056_01694, SAMEA3472064_04041, SAMEA3472080_00094, SAMEA3472112_03401, SAMEA3472117_03579, SAMEA3472120_02725, SAMEA3484427_02085, SAMEA3484429_03125, SAMEA3485101_04737, SAMEA3485110_03176, SAMEA3751407_02266, SAMEA3752386_02711, SAMEA3752557_01673, SAMEA3753064_01612, SAMEA3753290_02101, SAMEA3753300_00648, THOESC010_40300, TUM18780_39570, UN91_24800, WP2S18E08_42680, WP4S18E07_40780, WP4S18E08_41270, WQ89_21930, WR15_07020 発現宿主: ![]() ![]() #3: タンパク質 | 分子量: 37703.887 Da / 分子数: 12 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() ![]() |
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-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
構成要素 | 名称: KCF complex / タイプ: COMPLEX / Entity ID: all / 由来: RECOMBINANT |
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由来(天然) | 生物種: ![]() ![]() |
由来(組換発現) | 生物種: ![]() ![]() |
緩衝液 | pH: 7.4 |
試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
急速凍結 | 凍結剤: ETHANE |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TITAN KRIOS |
電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2500 nm / 最小 デフォーカス(公称値): 1000 nm |
撮影 | 電子線照射量: 60 e/Å2 フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) |
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解析
CTF補正 | タイプ: NONE |
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3次元再構成 | 解像度: 3.27 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 84693 / 対称性のタイプ: POINT |