+
データを開く
-
基本情報
登録情報 | データベース: PDB / ID: 7t6d | ||||||
---|---|---|---|---|---|---|---|
タイトル | CryoEM structure of the YejM/LapB complex | ||||||
![]() |
| ||||||
![]() | MEMBRANE PROTEIN / YejM / YciM / regulation / lipopolysaccharide synthesis / LpxC | ||||||
機能・相同性 | ![]() : / lipopolysaccharide metabolic process / regulation of lipid biosynthetic process / membrane => GO:0016020 / iron ion binding / 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: 3.9 Å | ||||||
![]() | Mi, W. / Shu, S. | ||||||
資金援助 | ![]()
| ||||||
![]() | ![]() タイトル: Regulatory mechanisms of lipopolysaccharide synthesis in Escherichia coli. 著者: Sheng Shu / Wei Mi / ![]() 要旨: Lipopolysaccharide (LPS) is an essential glycolipid and forms a protective permeability barrier for most Gram-negative bacteria. In E. coli, LPS levels are under feedback control, achieved by FtsH- ...Lipopolysaccharide (LPS) is an essential glycolipid and forms a protective permeability barrier for most Gram-negative bacteria. In E. coli, LPS levels are under feedback control, achieved by FtsH-mediated degradation of LpxC, which catalyzes the first committed step in LPS synthesis. FtsH is a membrane-bound AAA+ protease, and its protease activity toward LpxC is regulated by essential membrane proteins LapB and YejM. However, the regulatory mechanisms are elusive. We establish an in vitro assay to analyze the kinetics of LpxC degradation and demonstrate that LapB is an adaptor protein that utilizes its transmembrane helix to interact with FtsH and its cytoplasmic domains to recruit LpxC. Our YejM/LapB complex structure reveals that YejM is an anti-adaptor protein, competing with FtsH for LapB to inhibit LpxC degradation. Structural analysis unravels that LapB and LPS have overlapping binding sites in YejM. Thus, LPS levels control formation of the YejM/LapB complex to determine LpxC protein levels. | ||||||
履歴 |
|
-
構造の表示
構造ビューア | 分子: ![]() ![]() |
---|
-
ダウンロードとリンク
-
ダウンロード
PDBx/mmCIF形式 | ![]() | 230.9 KB | 表示 | ![]() |
---|---|---|---|---|
PDB形式 | ![]() | 164.2 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1.2 MB | 表示 | ![]() |
---|---|---|---|---|
文書・詳細版 | ![]() | 1.2 MB | 表示 | |
XML形式データ | ![]() | 43.6 KB | 表示 | |
CIF形式データ | ![]() | 65.1 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 | ![]() 25713MC 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 ( |
---|---|
類似構造データ | 類似検索 - 機能・相同性 ![]() |
-
リンク
-
集合体
登録構造単位 | ![]()
|
---|---|
1 |
|
-
要素
#1: タンパク質 | 分子量: 45546.953 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() 遺伝子: lapB, lapB_1, lapB_2, yciM, A6519_003392, A8499_002320, A8W81_000860, A8X68_001918, A9X72_14480, AAG43_002492, ABE90_026530, ABT96_002964, ACN002_1742, ACN68_13760, ACU57_02830, ACW72_ ...遺伝子: lapB, lapB_1, lapB_2, yciM, A6519_003392, A8499_002320, A8W81_000860, A8X68_001918, A9X72_14480, AAG43_002492, ABE90_026530, ABT96_002964, ACN002_1742, ACN68_13760, ACU57_02830, ACW72_002916, AM270_04715, AM464_24460, AMK64_001197, AML23_13785, AO169_003132, AT335_001728, AT845_003561, AUQ29_06870, AW059_17045, B2D52_003072, B5N24_003363, B6L15_002768, B6R12_000713, B6R15_001447, B7C15_002578, B9T59_25470, BANRA_00913, BANRA_01922, BANRA_02272, BANRA_04238, BE930_07195, BF481_003525, BFL24_11350, BHF52_04915, BHS81_08140, BHS87_06805, BIZ41_06440, BJI68_16000, BK272_18185, BKD45_002476, BMC34_002615, BMT50_25160, BMT91_09485, BN17_11291, BOH76_12790, BON63_08380, BON65_11400, BON70_13430, BON72_10370, BON73_23360, BON76_22345, BON86_26965, BON87_00675, BON91_05790, BON93_04810, BON94_23115, BON95_24295, BON96_11840, BON98_20550, BTQ06_01755, BUE81_21790, BvCms2454_02783, BvCmsC61A_00867, BvCmsHHP019_01251, BvCmsHHP056_05185, BvCmsKKP005_01617, BvCmsKKP036_02977, BvCmsKKP057_02775, BvCmsKKP061_04930, BvCmsKSNP073_02552, BvCmsKSP011_00507, BvCmsKSP067_03395, BvCmsNSNP036_02647, BvCmsSIP082_03266, BVL39_21785, C2121_001848, C2U48_01890, C3F40_05575, C5F72_14800, C5N07_15420, C5Y87_08390, C6B13_16180, C6B22_15545, C6L19_000308, C6N50_002146, C7B02_10605, C9114_03730, C9160_12100, C9E67_15785, C9Z62_12310, CA593_21440, CBT22_000243, CCS08_27640, CCZ91_000907, CDL36_22330, CDL37_04200, CDL57_24010, CF32_002531, CG692_05225, CG831_002162, CIG67_22415, CLG78_002326, CN875_001332, CO706_02845, COD50_12455, CQP61_13055, CS116_002344, CT143_17675, D0X26_18180, D2183_20380, D3G36_18000, D3O91_23240, D3Y67_04030, D4U49_17205, D4V09_13060, D5H22_10790, D6T60_03370, D9D77_16425, D9E49_04245, D9F92_17650, D9H13_01425, D9H94_11055, D9J11_07075, D9K17_12190, DAH18_14065, DAH23_15505, DAH34_16510, DAH50_11685, DB282_08780, DEN89_18990, DEO15_14770, DIV22_30895, DM968_19040, DRW19_11270, DS732_11480, DS966_14175, DTL43_11095, DTL90_01335, DXB10_15580, DXB10_16775, DXT69_00360, DXT71_10990, DXT73_13915, E0I42_06310, E2112_02885, E2123_11980, E2127_03390, E2128_00455, E2129_00375, E3N34_18830, E4K51_14885, E4K54_14850, E5P52_03605, E5S34_10145, E5S35_09160, E5S38_11225, E5S43_08140, E5S47_06570, E5S52_03675, E5S61_07790, EAI46_04695, EAN77_13100, EBP16_17290, EC1094V2_2484, EC3234A_230c01430, EC95NR1_00326, ECs1853, ED648_03900, EGC08_11645, EH88_003316, EHD79_11840, EHH55_10950, EI021_13605, EI041_15605, EIA08_16130, EIA13_10710, EIZ93_19170, EKI52_01585, EL79_2487, EL80_2488, ELT21_12950, ELT31_16165, ELT33_13755, ELT49_21030, ELT58_08985, ELU83_12175, ELU95_16765, ELV08_11905, ELV10_01715, ELX76_20405, ELY05_10955, EO241_12655, EQO00_13740, ERS085358_00939, ERS085386_02975, ERS085406_00731, Esc0902E_14650, ETECE1373_02637, ETECE36_03510, EVY14_13400, EWK56_17840, ExPECSC038_05182, EXX13_01995, EYX47_09350, EYX55_08745, F6U69_15745, F9400_07670, F9407_04140, F9S76_06015, F9V07_00360, F9V24_11000, F9X20_015225, F9X20_15355, FC554_07815, FDM60_05915, FE587_04450, FEJ01_09950, FFF58_19650, FGG80_24000, FKO60_08750, FMP09_02050, FOI11_006585, FOI11_13555, FPI65_07590, FPS82_10375, FQE77_10850, FQF29_23035, FV293_10890, FY127_08365, G4A38_11915, G5603_19860, G5632_16960, G5696_03530, G6Z99_13635, G7635_000932, G9448_04240, GAJ26_07165, GBE29_13210, GF147_07410, GF646_08560, GF699_11645, GFY34_05975, GFZ60_14750, GIB53_11460, GKF86_18860, GKF89_20570, GKG12_03945, GLW94_11560, GNZ05_13290, GOP20_20825, GP662_03380, GQA06_04230, GQE42_15065, GQE64_13610, GQE87_12585, GQF58_06905, GQF59_08575, GQM06_04685, GQM10_06545, GQW07_00450, GQW76_09945, GRO95_01570, GRQ19_03720, GRW05_11530, GRW57_13825, GRW80_12460, GRW81_07680, GUB08_18980, H0O72_03640, H4P50_08895, H4P51_14150, HH411_001987, HH795_004427, HHG09_004014, HHH44_001843, HIE44_002503, HIF90_001390, HIR12_001593, HJN04_001209, HJO75_002524, HJS41_002779, HL425_08705, HL601_11520, HLZ20_07505, HLZ50_09210, HMJ82_13920, HMS79_05245, HMU48_18525, HMV41_16070, HMV95_10465, HNC38_13520, HNC52_13050, HND12_15785, HND24_14400, HNO08_14040, HNV65_09995, HNV94_15550, HNY50_11855, HNY54_14470, HV109_13370, HVV39_23985, HVV53_02660, HVW04_04200, HVW11_24340, HVY77_14595, HVZ33_13530, HVZ71_13670, HZ71_002608, I6H00_07305, I6H01_24000, I6H02_25750, JE86ST02C_16760, JE86ST05C_16890, NCTC10089_02682, NCTC10090_00861, NCTC10418_04179, NCTC10429_05120, NCTC10764_02333, NCTC10767_05193, NCTC10865_03455, NCTC11022_01072, NCTC11112_05334, NCTC11181_04717, NCTC13127_03637, NCTC13216_03875, NCTC4450_04325, NCTC7927_03033, NCTC8008_02211, NCTC8500_03093, NCTC8960_05553, NCTC8985_01499, NCTC9036_02890, NCTC9045_03196, NCTC9048_03637, NCTC9050_00806, NCTC9073_01700, NCTC9081_03892, NCTC9117_03545, NCTC9434_03952, NCTC9706_00177, NCTC9777_04051, NCTC9969_02938, PGD_01970, PU06_14205, RG28_16120, SAMEA3472043_03563, SAMEA3472056_02600, SAMEA3472080_01068, SAMEA3484427_01617, SAMEA3484429_01482, SAMEA3485101_02085, SAMEA3485110_04597, SAMEA3751407_01252, SAMEA3752386_00749, SAMEA3752557_02954, SAMEA3753064_00168, SAMEA3753290_01068, SAMEA3753300_03507, THOESC010_24410, TUM18780_23450, UN91_04670, WP2S18E08_26240, WP4S18E08_25230, WQ89_18230, WR15_00725 発現宿主: ![]() ![]() #2: タンパク質 | 分子量: 67364.680 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() 遺伝子: yejM, pbgA, yejM_2, A6583_09370, A6592_11615, A8499_001072, A8C65_16830, A8W81_001303, A9X72_08400, ACN002_2250, ACU57_09240, ADS93_002353, AM340_15765, AM464_02270, APX88_05005, AUQ29_ ...遺伝子: yejM, pbgA, yejM_2, A6583_09370, A6592_11615, A8499_001072, A8C65_16830, A8W81_001303, A9X72_08400, ACN002_2250, ACU57_09240, ADS93_002353, AM340_15765, AM464_02270, APX88_05005, AUQ29_19365, AW086_07975, AW118_16940, AWP47_24265, AZZ83_002338, B6R12_000845, B6R15_004238, B6R17_002480, B6R27_005186, B6R48_001484, B6R87_001451, B9T59_22870, BANRA_00752, BANRA_04871, BE930_28735, BER14_18270, BF271_000946, BFL24_16505, BG821_000075, BH692_09340, BHS87_12530, BIQ87_13040, BJI68_13215, BJJ90_08330, BK272_02805, BK373_07505, BM922_001699, BMC79_000422, BMT49_13905, BMT91_00115, BN17_14751, BO068_002744, BON72_16040, BON73_18350, BON76_17375, BON86_23915, BON87_08430, BON92_16815, BON93_21655, BON94_17700, BON96_18625, BON98_04460, BOY03_001080, BUE81_18280, BUE82_07615, BvCms2454_04584, BvCmsHHP019_05090, BvCmsSIP024_01508, BWI89_02190, BZL69_09245, C4952_001182, C4M78_17535, C5715_06575, C5F72_09155, C5Y87_12800, C6B13_00290, C6B22_01615, C7B02_03025, C9E67_09155, C9Z43_08610, C9Z68_16250, CA593_16265, CCS08_24350, CCV12_002491, CD42_001250, CDL36_01005, CDL37_14785, CDL57_04530, CG692_11165, CG831_003323, CQP61_10000, CT143_04215, D0X26_21125, D1912_29500, D2183_09840, D3822_12865, D3G36_02140, D3O91_01050, D3Y67_09165, D4U49_06490, D4V09_19965, D9F92_03905, D9H13_11200, D9J11_19635, D9J61_06525, DAH23_00425, DAH34_05185, DAH37_09170, DEN86_03840, DLW88_13930, DM968_07875, DNX30_05665, DS732_17010, DS966_01280, DTM10_09095, DTM45_08440, DU321_11480, DXB10_11805, E0N24_08640, E2119_00760, E2123_11275, E2127_01995, E2128_04195, E2129_08825, E3N34_20700, E4K51_00800, E4K54_03780, E5P52_00935, EA239_06720, EA435_00905, EC3234A_43c00110, ECs3080, EI021_01330, EI041_05800, EIA08_04310, ELT17_13065, ELT21_02385, ELT33_04940, ELT48_05200, ELT49_19620, ELT58_04240, ELT72_00755, ELV10_04545, ELV13_02810, ELV22_00720, ELV24_08035, ELX56_00815, ELX68_00770, ELX69_02045, ELX70_02545, ELX76_00500, ELX79_03840, ELX83_15305, ELY05_14680, ELY23_08830, ELY24_08630, ELY50_02880, EO241_01170, EPS76_06925, EQO00_09055, ERS085386_00298, ETECE925_01624, EWK56_07190, ExPECSC038_02216, EXX79_04640, F2N27_23515, F2N28_23660, F3N40_00740, F6U69_01695, F7F11_05890, F9386_09630, F9571_15145, F9S83_16100, F9V24_17745, FFF58_08555, FGG80_10995, FHR00_02145, FJQ51_21990, FKO60_02570, FMP09_00770, FNJ67_09010, FOI11_001990, FOI11_18055, FPI65_13810, FQF29_23785, FZN30_10900, G3565_00930, G3813_002500, G4A38_04620, G5603_04965, G6P89_08200, GF147_03470, GFY48_00705, GKF52_07460, GKG12_01680, GKZ24_12255, GLW94_00250, GNO40_04250, GP711_04060, GQE64_02255, GQE87_19270, GQW07_05465, GQW68_08245, GQW76_18825, GQW80_04770, GRC73_01825, GRO95_13145, GRQ19_15575, GRW05_06845, GRW80_02890, GRW81_01115, GTP88_01785, GUB92_18760, GUI33_19260, GW978_00750, GXU05_002919, GXV26_001787, H5C78_15085, HH411_001705, HH795_001884, HHG09_004071, HI055_001135, HIE29_002609, HIE44_001815, HIT56_002195, HJM92_004122, HJO75_003640, HJQ60_001849, HJS37_000913, HJS41_002956, HJU54_002487, HL425_00735, HL601_00640, HLU10_10190, HLU56_15835, HLV18_10515, HLZ20_01885, HmCms169_00898, HMJ82_13430, HMS79_06405, HMU06_05650, HMU48_06105, HMV95_16605, HMV95_25940, HNC30_04745, HNC36_11220, HNC38_05860, HNC52_14840, HNC59_05410, HNC66_16020, HNC99_03425, HND12_03865, HND24_03720, HNO08_17220, HNV94_03750, HNY50_05155, HNY54_04060, HPE39_17300, HVV39_02785, HVV53_07965, HVW04_24015, HVW43_25590, HVX16_08400, HVZ33_08545, HX136_08025, HZ71_001224, MJ49_19865, MS7163_02295, NCTC10082_04105, NCTC10089_01672, NCTC10764_00976, NCTC10767_02951, NCTC11022_02170, NCTC11126_04042, NCTC12950_01951, NCTC13127_02131, NCTC13216_04902, NCTC8008_01090, NCTC8500_01909, NCTC8959_02126, NCTC9001_02081, NCTC9044_05974, NCTC9045_01997, NCTC9048_01750, NCTC9073_01555, NCTC9081_05148, NCTC9434_01706, NCTC9702_01992, NCTC9706_04975, SAMEA3472064_00873, SAMEA3472080_00462, SAMEA3472112_02618, SAMEA3472117_02395, SAMEA3472120_00721, SAMEA3484427_01505, SAMEA3484429_01356, SAMEA3751407_04919, SAMEA3752312_00374, SAMEA3752386_04909, SAMEA3752557_00509, SAMEA3753064_00496, SAMEA3753290_01284, SAMEA3753300_00187, SM09_02308, WP2S18E08_17110, WP4S18E07_15720, WP4S18E08_15980, WQ89_02845 発現宿主: ![]() ![]() #3: 化合物 | ChemComp-LPP / | #4: 化合物 | ChemComp-PGV / ( | 研究の焦点であるリガンドがあるか | Y | |
---|
-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
---|---|
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 |
-
試料調製
構成要素 | 名称: complex of YejM and YciM / タイプ: COMPLEX / Entity ID: #1-#2 / 由来: RECOMBINANT |
---|---|
分子量 | 値: 225.556 kDa/nm / 実験値: NO |
由来(天然) | 生物種: ![]() ![]() |
由来(組換発現) | 生物種: ![]() ![]() |
緩衝液 | pH: 7.8 |
試料 | 濃度: 6 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: C-flat-1.2/1.3 |
急速凍結 | 凍結剤: ETHANE |
-
電子顕微鏡撮影
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
---|---|
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 / 倍率(公称値): 64000 X / 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 / アライメント法: COMA FREE |
試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
撮影 | 平均露光時間: 8.84 sec. / 電子線照射量: 50 e/Å2 / 検出モード: SUPER-RESOLUTION / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
電子光学装置 | エネルギーフィルター名称: GIF Quantum LS / エネルギーフィルタースリット幅: 20 eV |
画像スキャン | 横: 5760 / 縦: 4092 / 動画フレーム数/画像: 82 |
-
解析
ソフトウェア |
| ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
EMソフトウェア |
| ||||||||||||||||||||||||
CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3.9 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 1181379 / アルゴリズム: BACK PROJECTION / 対称性のタイプ: POINT | ||||||||||||||||||||||||
原子モデル構築 | プロトコル: AB INITIO MODEL / 空間: REAL | ||||||||||||||||||||||||
精密化 | 交差検証法: THROUGHOUT | ||||||||||||||||||||||||
原子変位パラメータ | Biso max: 137.57 Å2 / Biso mean: 49.2648 Å2 / Biso min: 20.65 Å2 |