Team:DTU-Denmark/Protein Models

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Protein Models

Contents

We have determined the structures of some proteins we want our mutants to express. Others could be homology modelled due to existing 3D models that had high similarity to the ones we are working with.

Mutant 1

AMO

DTU AMO.png

Figure 1: Ammonia monooxygenase. Homology models of all three subunits of AMO.

At the time of writing neither of the the three subunits from Nitrosomonas Europaea is available as 3D structures, so each of the subunits was identified at [http://www.uniprot.org/ UNIPROT], and their sequence was homology modelled using [http://www.cbs.dtu.dk/services/CPHmodels/ CPHmodels-3.2]

Resource AmoA AmoB AmoC
Uniprot [http://www.uniprot.org/uniprot/Q04507 Q04507] [http://www.uniprot.org/uniprot/Q04508 Q04508] [http://www.uniprot.org/uniprot/Q82T63 Q82T63]
Template pdb code and chain [http://www.pdb.org/pdb/explore/explore.do?structureId=1yew 1YEW.A] [http://www.pdb.org/pdb/explore/explore.do?structureId=1yew 1YEW.B] [http://www.pdb.org/pdb/explore/explore.do?structureId=3rgb 3RGB.C]
Coverage 90.5 86.2 66.4
E-value 1e-87 3e-67 8e-43

The three subunits were combined and aligned to the subunits of the [http://www.pdb.org/pdb/explore/explore.do?structureId=1yew Crystal structure] of particulate methane monooxygenase, hence an overlap of two alpha helices.

HAO

DTU Hao.png

Figure 2: Hydroxylamine oxidoreductase.

source: [http://www.rcsb.org/pdb/explore.do?structureId=1fgj 1FGJ]

Cc554

DTU CycA.png

Figure 2: Cytochrome c554

source [http://www.rcsb.org/pdb/explore.do?structureId=1ft5 1FT5]

Ccm552

DTU Cycx.png

Homology model of Ccm552

Resource Ccm552
Uniprot [http://www.uniprot.org/uniprot/Q50926 Q50926]
Template pdb code and chain [http://www.pdb.org/pdb/explore/explore.do?structureId=1j7a 2J7A.O]
Coverage 68.3
E-value 6e-11

Mutant 2

NirS

Nitrite reductase

DTU NirS NO.png

As a dimer with N2 - source [http://www.rcsb.org/pdb/explore/explore.do?structureId=1nno 1NNO]

NirM

Cytochrom c551

DTU C551.png

source [http://www.rcsb.org/pdb/explore/explore.do?structureId=2exv 2EXV]


NOR

Flavorubredoxin

DTU NOR.png

Homology model of NOR

Resource NOR
Uniprot [http://www.uniprot.org/uniprot/Q46877 Q46877]
Template pdb code and chain [http://www.pdb.org/pdb/explore/explore.do?structureId=1ycf 1YCF.A]
Coverage 82.5
E-value 3e-95


  • All homology models were made using the free online tool [http://www.cbs.dtu.dk/services/CPHmodels/ CPHmodels v3.2]
  • All models were made and visualized in [http://sourceforge.net/projects/pymol/ PyMOL v1.6] which was easily compiled and installed using an [http://pymolwiki.org/index.php/User:Tlinnet/Linux_Install installation script] made by Troels Linnet.