˹ڠ HKU1 ͻY_ҺخԼ׃漆

Nature CommunicationsHuman coronavirus HKU1 spike structures reveal the basis for sialoglycan specificity and carbohydrate-promoted conformational changes

w С rg20250506 ԴNature Communications 14.7

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̽˹ڠ HKU1 ̼ˮYخԼY̼ˮĘ׃CоˆTͻ׽YYlFwķNBQض֬خ@ⲡȾCṩ

ڲڠһֱPעķNԹڠlȾ˹ڠ HKU1HCoV-HKU1 HCoV-OC43 ͬ ڠ Embecovirus ̼ˮw 9-O -  N - 񽛰ᣨNeu5,9Ac2 HKU1 ߀ʹÿĤzᵰø 2TMPRSS2wȻ̼ˮYخԵĻAԼ̼ˮYϴMĘ׃δȫ˽@ЩPI}ԼôWșCоˆTչ_о@оɹlڡNature Communications_ HKU1 Ⱦ漆ṩҪ
оˆT\˶NPIgڵ|̼ˮƂ䷽ͨ^ HEK293F б_ HKU1 ͻ׼ D1 YͬrøٷϳɲN 9-O - ҺľڙzycǵĽYHñxӹSPRĤ棨BLIg ׽YʹRcryo-EMgռͨ^һϵД̎ͷ̫@ø߷ֱʵĵ׽Yģ

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  • HKU1 ͻ׵ĶNBͨ^ apo 9OAc-GD3apӱRlF̼ˮYϴM D2 YϘD׃MһоRe HKU1 wķNxɢBDownDDownAltDAltActiveA UpU  apo ^쵽 DownActive Up BĻφw 9OAc-GD3 ͺЄtпܵĘM
  • HKU1 9-O -  GD3 񽛹֬ReC9OAc-GD3apԔ˲ͬB D1 Yc̼ˮĽYr׃Hc 9OAc-GD3 ǵ 9-O - ҺᲿ໥ԓYλcĚ Embecovirus и߶ȱо߀lFHKU1 е루insert-2c 2 - 3 BӵҺᲿ໥ 9OAc-GD3 ĽYHPҪͻ׃MһC@һcHKU1 9-O -  2 - 8 BӶҺᲿֵ֬^HPH^
  • φwĽYc׃Pϵφw Down BĽYlF D1D2 D3 Yγɾo܉錧PĘ׃ Down BD׃ Active Bٵ Up BS D1 Y D2 YąfͬD@ND׃ HKU1 ͻ׵ă
  • DQķәCоlFD1 YһαQ ^ ĶƬΣ 26 - 40ڶxxɢBPI Down B Active BD׃^̼ˮYλcȫY^lɚλγ Active - bulge D1 YD D2 Yȡ׃ Active B Up BD׃^^ٰl׃
  • DownAltBDownAltBH 9OAc-GD3apԓB̼ˮYλcmȫY D2 Y̎˜^IJ֚o܃̼ˮYںm Active BD׃
  • ضЌD׃Ӱ^ TVPR Mͻ׃оlFͻ׃̼ˮYϟoM D2 YϘD׃ԓڷ^ʹM̼ˮYλcYµλPI

оYՓӑՓԓоʾ 9-O -  GD3 c HKU1-A ͻ׽YϴM D2 YϘD׃ďsC@֧̼ˮwYϴMwYϵģо߀ͬ HKU1 ̼ˮYλcYHϿܴڲ insert-2 ǛQ HKU1 9-O -  2 - 8 BӶҺᲿ֬خԵPIͬrڜpcTDw໥̼ˮYϲǺε_PʽϘD׃ͨ^ Active DownAltBF{܃HضĤhдMЧM򼚰 - ںԓо Embecovirus ̼ˮ͵w錧ĤںϙCṩҪоڠȾͰlCƾҪxҲ_lᘌ HKU1 ķβṩ˝ڰcՓA

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