06/29/11
- ✓ Biobrick PCR: SP1A and SP1B (from s.d. mutated SP1AB)
- ✓ Assemblies: KAH199 (spacer + TK), KAH200
- ✓ SD mutagenesis: re-do mutagenesis of PstI site #2 in p65
- ✓ Cultures/ minipreps: KAH187-198/MV8 (2); concentration of stock is low
Biobrick PCR: SP1A, SP1B
> Note: Last step, complete SP1AB mutation, was confirmed on 3/25/11
- KAH018: (1) SP1A/(X/P PCR)/540 + V0120/(X/P)/~3200 ✓
- KAH019: (2) SP1B/(X/P PCR)/840 + "
> PCR
--> Template: SP1AB Biobrick
--> Primers 1: BB_SP1A f/ BB_SP1A r
--> Primers 2: BB_SP1B f/ BB_SP1B r
Reagent |
Volume
|
DNA (plasmid) |
1.0
|
10 μM primers |
1.0
|
2x GoTaq |
25.0
|
dH2O |
23.0
|
--> BioRad DNA Engine, block A
- 95°C/ 3 min.
- [95°C/ 30 sec; 55°C/ 30 sec; 72 °C/ 1 min.] x30
- 72 °C/ 3 min.
- 4 °C/ ∞
> Zymo clean PCR; elute w/ 25 μL dH2O
> Digests (Fermentas FD)
Reagent |
Volume |
|
30 μL/lane, 1% agarose Expected: 2. SP1A = 540, 3. SP1B = 840
|
PCR DNA |
25.0
|
10x buffer |
3.0
|
XbaI |
1.0
|
PstI |
1.0
|
dH2O |
---
|
|
30 μL --> 37°C/ ~30 min.
|
> Measure conc.'s
Sample |
OD260 |
260/280 |
ng/μL
|
1. SP1A (X/P PCR) |
0.912 |
1.86 |
45.6
|
2. SP1B (X/P PCR) |
0.614 |
1.80 |
30.7
|
> Ligations
Ligation |
Plate results (lig : neg crtl) 06/30/11
|
1. SP1A (X/P)/540, 8 ng + V0120(X/P)/~3200, 25 ng |
SP1A (KAH018) >10:1 (Pick 2)
|
2. SP1B (X/P)/840, 13 ng + " |
SP1B (KAH019) >10:1 (Pick 2)
|
3. V0120(X/P)/ 25 ng |
|
|
1 |
2 |
3
|
Insert DNA |
0.5 |
0.5 |
---
|
Vector DNA |
1.0 |
1.0 |
1.0
|
2x lgn buf (Roche) |
5.0 |
5.0 |
5.0
|
T4 ligase (NEB) |
1.0 |
1.0 |
1.0
|
dH2O |
3.0 |
3.0 |
3.5
|
|
10 μL |
10 μL |
10 μL
|
--> R.T./ ~15 min.; Add to 30 μL DH5α turbo
Assemblies
--> Note: DPRE has PstI sites
- KAH199: (1) Spacer B433/(E/S dp)/65 + (2) HSVtk TATA DDB81/(E/X)/56
- KAH200: DPRE KAH014/(E/S)/1740 ✓ + 5xGal4 KMC01/(E/X)/93 ✓
> Digests (Fermentas FD)
--> Specific notes
Reagent |
Volume |
|
30 μL/lane, 1% agarose; Lane 1 = DDB81(E/X)
|
DNA (plasmid) |
up to 25 μL
|
10x buffer |
3.0
|
enzyme 1 |
1.0
|
enzyme 2 |
1.0
|
dH2O |
---
|
|
30 μL --> 37°C/ ~30 min.
|
> Zymo clean
--> Spacer B433 (E/S) insert
--> Elute w/ 25 μL dH2O
> Measure conc.'s
Sample |
OD260 |
260/280 |
ng/μL
|
2. HSVtk TATA DDB81 (E/X) |
1.677 |
1.87 |
83.9
|
--> Dilute 1:2 to get ~42 μg/μL
> Dephosphorylation (Roche)
--> Phosphatase-treat the Spacer (E/S) insert
Reagent |
Volume
|
DNA (clean digest) |
up to 17 μL (500 ng)
|
10x buffer d.p. |
2.0
|
phosphatase |
1.0
|
dH2O |
---
|
|
20 μL --> 37°C/ 10 min.; 75°C/ 2 min.; [final] = 25 ng/μL
|
> Ligations
--> Use max insert volume for ligation #1 (insert includes old vector)
Ligation |
Plate results (lig : neg crtl) 06/30/11
|
1. Spacer B433(E/S dp)/65, 1 ng + HSVtk TATA DB81(E/X)/~3256, 25 ng |
KAH199 >10:1 (Pick 2)
|
2. HSVtk TATA DB81(E/X)/ 25 ng |
|
3. DPRE KAH014(E/S)/1740, 26 ng + 5xGal4 KMC01(E/X)/~3293, 25 ng |
KAH200 1:1 (Pick 2)
|
4. 5xGal4 KMC01(E/X)/ 25 ng |
|
|
1 |
2 |
3 |
4 |
|
Insert DNA |
3.5 |
--- |
1.0 |
--- |
|
Vector DNA |
0.5 |
0.5 |
0.5 |
0.5 |
|
2x lgn buf (Roche) |
5.0 |
5.0 |
5.0 |
5.0 |
|
T4 ligase (NEB) |
1.0 |
1.0 |
1.0 |
1.0 |
|
dH2O |
--- |
3.5 |
2.5 |
3.5 |
|
|
10 μL |
10 μL |
10 μL |
10 μL |
|
--> Add 30 μL DH5α Turbo; plate on 100 μg/mL Amp
Site-directed Mutagenesis
> Stratagene Quick Change mutagenesis kit.
- p65 (~4 kb): mutate w.t. clone (two PstI sites within single primer); last attempt mutated only the first site (3/25/11)
--> Primer mut_p65 1
Reagent |
p65 w.t.
|
DNA (plasmid, ~100 ng) |
1.0
|
10x buffer |
2.5
|
Quick Solution |
0.5
|
10 μM primer 1 |
1.0
|
dNTP mix |
1.0
|
Quick Change enzyme mix |
1.0
|
dH2O |
18.0
|
|
25 μL
|
--> BioRad PCR (Block A)
- 95°C/ 1 min.
- [95°C/ 1 min., 55°C/ 1 min., 65°C/ 8 min (2 min./kb)] x30
- 65°C/ 1 min.
- 4°C/ ∞
(6/30/11)
> DpnI Digest (gets rid of methylated template DNA)
- p65 mutation
- p65 control (DNA, 10x buffer, Quick soln. in 25 μL; no PCR)
--> Add 1 μL DpnI enzyme to each sample
--> 37°C/ 1 hr.
--> Transform 30 μL z-DH5α, use 10 μL each sample; Amp plates
07/01/11
--> Results
- p65: 2 colonies (1 on neg ctrl.)
|