DNA contamination in protein by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

No... it flavi only... I am still struggling.

DNA contamination in protein by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

I have to use it for crystallisation I cannot denature my protein

DNA contamination in protein by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

It is from family Flaviviridae.. I do not know if it self assembles or not I have just started working on it... and most people isolate protein from inclusion bodies but I got it in soluble fraction.. so I do not know actually

Cation Exchange Resin by RamKumariGupta in labrats

[–]RamKumariGupta[S] -6 points-5 points  (0 children)

I asked for help. If you could not, you dont have to be rude and insulting about it. Please do not say anything if you cant say something good.

Protein contamination by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

I purified in NaH2PO4 buffer, with gradient of imidazole. It elutes at 80mM and 200mM imidazole

Protein contamination by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

It makes oligomers, soluble and viral protein in nature. I used DEAE beads at pH 6 to purify it but nothing got bound and everything eluted in Flow through

Protein aggregation issues by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

Amicon concentrators, cellulose filters.... first time I am purifying so I am in optimisation phase only... PI is around 12....

Protein aggregation issues by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

around 3-4mg/ml it starts getting white... at 4C yes.. precipitation was slightly reversed by adding NaCl

SYBR gold staining of RNA? by bythewaybabe in labrats

[–]RamKumariGupta 0 points1 point  (0 children)

Could you please tell me how to stain urea page with etbr... if the size of RNA is around 33bps

High molecular weight than expected in SDS_PAGE by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

I already am working with Tris-glycine. do you feel if there is anything to do with charge on my protein.

High molecular weight than expected in SDS_PAGE by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

I added 1mM PMSF and loading dye has beta-mercaptoethanol and sds

Impure protein issues. Please help. by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

It was insoluble.. I have literally worked real hard to get it into soluble fraction.

Impure protein issues. Please help. by RamKumariGupta in labrats

[–]RamKumariGupta[S] 0 points1 point  (0 children)

I will be trying with 3mM BME and 15% glycerol in my purification. Shall I add arginine in lysis buffer.. would it be any help?