Difference between revisions of "Part:BBa K314011"

Latest revision as of 00:14, 14 September 2011

CapD

A protein native to Bacillus anthracis which cleaves poly-γ-D-glutamate (PDGA) and anchors it to the bacterium's peptidoglycan.

Usage and Biology

To test BBa _K314011, we first inserted it into a pET29b+ vector using [http://2010.igem.org/Team:Washington/Protocols/KunkelCapD Kunkel Mutagenesis]. CapD was then produced and purified as described in the [http://2010.igem.org/Team:Washington/Protocols/50mLPurificationCapD UW 2010 iGEM Team's Small Scale Protein Purification Protocol]. The purified protein was then tested for activity against CapD_CP. For a detailed description of the assay, please see the [http://2010.igem.org/Team:Washington/Protocols/EnzymeAssayCapD 2010 UW iGEM wiki]. A protein gel was also run to determine physical qualities. The resulting data is shown below.

The substrate vs. reaction rate curve above plots the Poly-d-gamma-glutamate (PDG) cleaved per enzyme per hour (y-axis) as a function of substrate concentration (x-axis). As observed in the curve above, high substrate concentrations suffered from substrate inhibition under the conditions our enzyme was assayed.
Protein gel data above shows the three bands seen for CapD. This makes quantifying active CapD extremely difficult when correcting for protein concentration.

Kinetic constants, kcat and Km, taken from our plotted curves are shown in the table above.

Sequence and Features

Assembly Compatibility:

10
INCOMPATIBLE WITH RFC[10]
Unknown
12
INCOMPATIBLE WITH RFC[12]
Unknown
21
INCOMPATIBLE WITH RFC[21]
Unknown
23
INCOMPATIBLE WITH RFC[23]
Unknown
25
COMPATIBLE WITH RFC[25]
1000
COMPATIBLE WITH RFC[1000]

@@ Line 2: / Line 2: @@
 <partinfo>BBa_K314011 short</partinfo>
-A protein native to ''Bacillus anthracis'' which cleaves poly-D-gamma-glutamate (PDG) and anchors it to the bacterium's peptidoglycan.
+A protein native to ''Bacillus anthracis'' which cleaves poly-γ-D-glutamate (PDGA) and anchors it to the bacterium's peptidoglycan.
 ===Usage and Biology===
-To test BBa _K314011, we first inserted it into a pET29b+ vector using [http://2010.igem.org/Team:Washington/Protocols/KunkelCapD Kunkel's Mutagenesis]. CapD was then produced and purified as described in the [http://2010.igem.org/Team:Washington/Protocols/50mLPurificationCapD UW 2010 iGEM Team's Small Scale Protein Purification Protocol]. The purified protein was then tested for activity against [https://parts.igem.org/Part:BBa_K314012 CapD_CP]. For a detailed description of the assay, please see the [http://2010.igem.org/Team:Washington/Protocols/EnzymeAssayCapD 2010 UW iGEM wiki]. A protein gel was also run to determine physical qualities. The resulting data is shown below.
+To test BBa _K314011, we first inserted it into a pET29b+ vector using [http://2010.igem.org/Team:Washington/Protocols/KunkelCapD Kunkel Mutagenesis]. CapD was then produced and purified as described in the [http://2010.igem.org/Team:Washington/Protocols/50mLPurificationCapD UW 2010 iGEM Team's Small Scale Protein Purification Protocol]. The purified protein was then tested for activity against [https://parts.igem.org/Part:BBa_K314012 CapD_CP]. For a detailed description of the assay, please see the [http://2010.igem.org/Team:Washington/Protocols/EnzymeAssayCapD 2010 UW iGEM wiki]. A protein gel was also run to determine physical qualities. The resulting data is shown below.
 <gallery heights=300px widths=400>
@@ Line 13: / Line 13: @@
 </gallery>
-[[image:Kinetic_CapD.png|Kinetic constants, ''k''cat and Km, taken from our plotted curves are shown in the table above.]]
+[[image:Kinetic_CapD.png|1600px|thumb|center| Kinetic constants, ''k''cat and Km, taken from our plotted curves are shown in the table above.]]