I-Endonuclease yesithintelo se-BsaI
Inkcazo
I-enzyme yothintelo lwe-BsaI luhlobo lwe-II yesithintelo se-endonuclease ephuma kwiprotheyini ephinda iphinda ifakwe kwi-BspQI gene kwi-Bacillus sphaericus echazwe ngu-E.coli.Uthintelo lwe-endonucleases lusetyenziswa ngokubanzi kwimephu yemfuza, i-cloning kunye neminye imimandla.Le enzyme inqumla ngokukhawuleza i-DNA ye-gene ye-linearization esebenzayo i-Bsa I, i-IIs isithintelo se-endonuclease restriction endonuclease, iphuma kwi-recombinant E. coli strain ephethe i-BsaI edibeneyo kunye ne-modified gene esuka kwi-Bacillus stearothermophilus.ezineenkcukacha ezifanayo njengee-enzymes zomthonyama kunye nokunciphisa umsebenzi weenkwenkwezi.Ulandelelwano lokuqatshelwa kwayo kunye neendawo zokuqhawula zihamba ngolu hlobo lulandelayo:
5'·······GGTC(N)······· ··3'
3'······CCAGAG(NNNNN)·······5'
Ulwakhiwo lweMichiza
Iimpawu zemveliso
• I-endonuclease yesithintelo inomsebenzi ophezulu we-enzymatic kwaye igqibezela ukusabela kokugaya ngokukhawuleza.
• Umsebenzi osezantsi we-endonuclease ongangqalanga ukuqinisekisa ukusika okuchanekileyo "kwe-scalpel".
• Akukho nkqubo ye-BSA, ukunciphisa ungcoliseko lomthombo wobushushu.
Inkcazo
Izinto zovavanyo | Iinkcukacha |
Umsebenzi we-Enzyme | 20 U/µL |
Ubunyulu(SDS-PAGE) | ≥95% |
Rnase | Akukho nanye ifunyenweyo |
Umsebenzi we-DNase ongaKhethekanga | Ayifunyaniswanga |
Star Umsebenzi | Ayifunyaniswanga |
I-Ligation kunye nokuSikwa kwakhona | Emva kokugaya, amaqhekeza e-DNA anokudityaniswa.Kwaye la maqhekeza adibeneyo anokusikwa kwakhona nge-Bsal. |
Endotoxins(LAL-test) | ≤10 EU/mg |
E.Coli DNA | ≤1 Ikopi/2U |
Ulawulo lwemeko
Ubunyulu ≥ 95%, Akukho DNase, umsebenzi we-RNase, i-Host DNA residue ≤ 100pg / mg, i-protein ye-host ≤ -50ppm, i-endotoxin eseleyo ≤ 10EU / mg, Akukho msebenzi we-protease, oyinyumba, ongenayo i-mycoplasma
Isicelo
Ukwetyisa iplasmid ukulungiselela isiqwenga seDNA esinemigca ekupheleni kwePoly (A/T/C/G);
Yenza umgca wetemplate yeplasmid phambi kokukhutshelwa kwe-in vitro;
Ukuncitshiswa kwentlupheko;
Inkcazelo yeyunithi
Iyunithi enye ichazwa njengobungakanani be-enzyme efunekayo ukwetyisa i-1 µg ye-DNA yolawulo lwangaphakathi kwiyure e-1 kwi-37 ° C kumthamo opheleleyo wokusabela we-50 µL.
Ukuthutha kunye nokugcinwa
Ezothutho:Ithunyelwe ngaphantsi kwe-15°C
Ugcino:Gcina kwi -25~-15°C
Ubomi obucetyiswayo bokuvavanya kwakhona:1 unyaka