Cre expression screening

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Protein Expression

[edit]

2014/10/17
SHANYI

RTENOTITLE


Lane
Name
Protein Name
Clone ID
Host
Induction
Purification
pI/Mw
express
note
1
pET28b-HTNCre







cre
375

Nico21(DE3)plysN

0.5 mM IPTG 

30oC 4.5h

Ni beads



2g/500ml

suspend in 40ml BufferA,take 1ml to do protein expression screening

2
pET28b-HTNCre
375

RossetaplySs

0.5 mM IPTG

10ml 50x5020

RT O/N

Ni beads



3.8g/50ml

suspend in 45ml BufferA,take 1ml to do protein expression screening

3
pT7A3-HTNCre
1708

Nico21(DE3)plysN

0.5 mM IPTG

30oC 4.5h

Ni beads



3g/500ml

suspend in 45ml BufferA,take 1ml to do protein expression screening

4
pCold-HTNCre
1823

Nico21(DE3)plysN

0.5 mM IPTG

RT 5.5h

Ni beads


3g/500ml

suspend in 45ml BufferA,take 1ml to do protein expression screening

5
pBad24-HTNCre
1010

Nico21(DE3)plysN

0.2%Arabinose

30oC 6h

Ni beads



7.7g/1.25L

suspend in 110ml BufferA,take 1ml to do protein expression screening

6
pTriEx-HTNCre
298

 BL21(DE3) pLysS

0.5 mM IPTG 30oC ?h
Ni beads



grow very slowly
7
pET28b-HTNCre
375
  Nico21(DE3)plysN


0.5 mM IPTG 37oC 2h
Ni beads



pellet from 8L purification
8
PageRuler Plus Prestained protein ladder



 





9



HTNCre
1708
  Nico21(DE3)plysN




10mM Imidazol wash flowthrough
10


1708
  Nico21(DE3)plysN
0.5 mM IPTG 37oC 2h
Ni beads


20mM Imidazol wash flowthrough
11

298
  BL21(DE3) pLysS
0.5 mM IPTG 37oC 2h
Ni beads
 10mM Imidazol wash flowthrough
12

298

BL21(DE3) pLysS

0.5 mM IPTG 37oC 2h



20mM Imidazol wash flowthrough


10/1/2018

RTENOTITLE


Lane
 Name
Protein Name 
Clone ID
Host
Induction
Purification
 pI/Mw
 express
  note


































































































































RTENOTITLE


Lane
 Name
Protein Name 
Clone ID
Host
Induction
Purification
 pI/Mw
 express
  note
1 M







2 Original lysis cell fluid Cre 1708 NIco21 1mM IPTG,o/n, Ni beads


3 Ni flow through







4 From Buffer A Wash







5 From immedizole buffer A wash







6 Ni elution







7 Q flowthrough







8 SP Flow through







9 From SP washing buffer wash







10 SP Elution







11 From Nico 21 cre 1010 Nico21
Ni Beads


12 From BL 21 cre 1010 BL21 star
Ni Beads


2/17/19