Sunday, June 22, 2008

another Molecular Biology Reagents

PMSF 100mM

Dissolve 17.4 mg/mL in isopropanol

Store at -20C

30% Acrylamide/bis

72.5 mL Acrylamide 40%

1 g bis-acrylamide

Dissolve in water until 100 mL

TBS

10 mM Tris-HCl pH 7.5

15 mM NaCl

Sterilize by autoclaving

IPTG 100 mM

For 20 mL, dissolve 476.6 mg IPTG in 20 mL water

TTBS

TBS with 0.1% of Triton X-100

1 Kb dna ladder marker

Stock = 500 ug/uL

Dilute to 125 ng/uL

For work : 100 uL marker + 100 uL 1XTE + 200 uL 2XLB

100 bp dna ladder marker

Stock = 500 ug/uL

Dilute to 125 ng/uL

For work : 100 uL marker + 100 uL 1XTE + 200 uL 2XLB

1 Kb dna ladder marker

Stock = 250 ug (1 ug/uL)

Dilute to 125 ng/uL (1:8)

For work : 50 uL marker + 150 uL water + 200 uL 2XLB

Tris-Glycine Electroforesis Buffer 5X Stock

15.1 g tris base

94 g Glycine

900 mL water

50 mL SDS 10%

Addjust volume with water until 1000 mL

2XSB

100 mM DTT (Stock 1M)

2% SDS

80 mM Tris-HCl pH 6.8

0.006% w/v bromophenol blue

15% Glycerol

Agarose TOP (100 mL)

LB powder for 100 mL

100 mg MgCl2

700 mg Agarose

Sterilize with autoclaving, store in refrigerator

Inclusion Body wash Solution 1 (Cold)

2 M urea

20 mM Tris

0.5 M NaCl

2% Triton X-100

Adjust to pH 8.00

Inclusion Body Wash Solution 2 (Cold)

20 mM Tris

0.5 M NaCl

2% Triton X-100

Adjust to pH 8.00

Solubilisation Buffer

20 mM Tris

0.5 M NaCl

5 mM Imidazole

6 M Guanidine HCl

1 mM Beta-mercaphtoethanol (BME)

Adjust to pH 8.00

(Concentration of BME might have to be optimized)

Equilibration buffer

300 mL ethanol 95%

95 mL Glycerol 50%

555 mL water