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Target Diseases & Organisms
* Malaria
   Plasmodium falciparum
   Plasmodium vivax
* Chagas' Disease
    [American Trypanosomiasis]
   Trypanosoma cruzi
* Sleeping Sickness
    [African Trypanosomiasis]
   Trypanosoma brucei
* Leishmaniasis
   Leishmania spp.
* Amoebiasis
   Entamoeba histolytica
* Giardiasis
   Giardia lamblia
* Toxoplasmosis
   Toxoplasma gondii
* Cryptosporidiosis
   Cryptosporidium parvum
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MSGPP

3-D STRUCTURES
Crystal Structures Solved by MSGPP

Click here for Special Section - Structures plus Ligands

Plasmodium falciparum

Pfal008434AAA_refmac13_2 Pfal008434AAA
Plasmodium falciparum
Ribose 5-phosphate isomerase
[ PDB-ID 2F8M ]
Pfal000304AAA

Pfal000304AAA
Plasmodium falciparum
Orotidine-5'-monophosphate decarboxylase
[ PDB-ID 2F84 ]

Pfal007254AAA Pfal007254AAA
Plasmodium falciparum
Glyceraldehyde-3-phosphate dehydrogenase
(GAPDH) is a key glycolytic enzyme.
This target has been an exploratory target for drug design by the MMV (Medicines for Malaria Venture: http://www.mmv.org). Shown in CPK format are 4 copies of the NAD cofactor found in the 2.25 Angstrom homotetrameric crystal structure.
[ PDB-ID 2B4R ]
Pfal009167AAA_ribbonZn_1 Pfal009167AAA
Plasmodium falciparum
D-Ribulose 5-Phosphate 3-Epimerase
Enzyme from the oxidative pentose phosphate pathway (critical for the generation of NADPH)
[ PDB-ID 1TQX ]
Pfal008421AAA_topview Pfal008421AAA
Plasmodium falciparum
Homolog of Uridine Phosphorylase/Purine Nucleoside Phosphorylase
[ PDB-ID 1SQ6 ]
Pfal009132AAA_dimer Pfal009132AAA
Plasmodium falciparum
NAD-dependent Glycerol-3-Phosphate Dehydrogenase
[ PDB-ID 1YJ8 ]
Pfal006645AAA_2_white Pfal006645AAA
Plasmodium falciparum
Nucleoside diphosphate kinase B
[ PDB-ID 1XIQ ]
Pfal004546AAA_hex_dihydroneopterin Pfal004546AAA
Plasmodium falciparum
6-pyruvoyl tetrahydrobiopterin synthase (PTPS)
[ PDB-ID 1Y13 ]
Pfal005984AAA_tetramer_white_1 Pfal005984AAA
Plasmodium falciparum
Phosphoglycerate mutase
Metabolic enzyme; potential antimalarial drug target
[ PDB-ID 1XQ9 ]
[ PDB-ID 3KKK ]

Plasmodium vivax

Pviv003883AAE Pviv003883AAE
Plasmodium vivax
6-phosphogluconolactonase
[ PDB-ID 3E15 ]
Pviv004546_2A0S Pviv004546AAA
Plasmodium vivax
6-pyruvoyl tetrahydrobiopterin synthase (PTPS)
[ PDB-ID 2A0S ]
pviv005676AAA Pviv005676AAA
Plasmodium vivax
Adenosine deaminase
[ PDB-ID 2PGF ]
[ PDB-ID 2PGR ]
[ PDB-ID 2QVN ]
Pviv008894AAA Pviv008894AAA
Plasmodium vivax
Guanylate Kinase
[ PDB-ID 2QOR ]
Pviv009166AAA Pviv009166AAA
Plasmodium vivax
Phosphatidylethanolamine binding protein
(RKIP homologue)
[ PDB-ID 2GZQ ]

Plasmodium knowlesi

Pkno008421AAA Pkno008421AAA
Plasmodium knowlesi
Purine nucleoside phosphorylase
A homolog of Pfal008421AAA.
[ PDB-ID 2B94 ]
Pkno009013AAC_3HFD_NAP1_dimer.png Pkno009013AAC
Plasmodium knowlesi
Nucleosome assembly protein 1
[ PDB-ID 3HFD ]

Leishmania major

Lmaj002314AAA

Lmaj002314AAA
Leishmania major
Glycogen synthase kinase
[ PDB-ID 3E3P ]

Lmaj007771_2HQJ

Lmaj007771AAA
Leishmania major
Cyclophilin
[ PDB-ID 2HQJ ]

Lmaj002537BAD

Lmaj002537BAD
Leishmania major
Protein tyrosine phosphatase

Lmaj004542AAA

Lmaj004542AAA
Leishmania major
Mevalonate kinase

Lmaj005534AAA_ribbon2 Lmaj005534AAA
Leishmania major
Eukaryotic D-Amino Acid tRNA Deacylase
[ PDB-ID 1TC5 ]
Lmaj004091AAA_ribbon_white Lmaj004091AAA
Leishmania major
SAM dependent Methyltransferase
(similar to ubiquinone MT)
[ PDB-ID 1XTP ]
Lmaj006238AAA_dimer Lmaj006238AAA
Leishmania major
Eukaryotic initiation factor 2B
[ PDB-ID 2A0U ]
Lmaj006828AAA_dimer Lmaj006828AAA
Leishmania major
Identified by structural homology to be oxygen dependent coproporphyrinogen oxidase (CPO) an essential enzyme in the heme biosynthetic pathway
[ PDB-IDs 1VJU, 2QT8, 3DWR, 3DWS ]
See also: L. donovani CPO [ 3EJO ], L. naiffi CPO [ 3E8J ]
Pfal008024AAA_tetra_topview Lmaj008024AAA
Leishmania major
Homolog of low-speceficity Threonine Aldolase
[ PDB-ID 1SVV ]

Leishmania donovani

Ldon002030AAA Ldon002030AAA
Leishmania donovani
Dihydroorotate dehydrogenase
[ PDB-ID 3C61 ]

Leishmania mexicana

Lmex003024AAA (22K) Lmex003024AAA
Leishmania mexicana
Eukaryotic initiation factor 5A
[ PDB-ID 1XTD ]

Leishmania guyanensis

Lguy003394AAA Lguy003394AAA
Leishmania guyanensis
6-phosphogluconolactonase
[ PDB-ID 3CSS ]

Leishmania braziliensis

Lbra003394AAA Lbra003394AAA
Leishmania braziliensis
6-phosphogluconolactonase
[ PDB-ID 3CH7 ]
Lbra003024AAA Lbra003024AAA
Leishmania braziliensis
Eukaryotic initiation factor 5A
[ PDB-ID 1X6O ]

Leishmania naiffi

Lnai002302AAC Lnai002302AAC
Leishmania naiffi
Uracil DNA glycosylase
[ PDB-ID 3CXM ]

Trypanosoma brucei

Tbru Tryp-RS Tbru001569AAB
Trypanosoma brucei
Tryptophanyl-tRNA synthetase
[ PDB-ID 3I05 ]
Tbru HisRS Tbru016489AAB
Trypanosoma brucei
Histidinyl-tRNA synthetase
Dimer [ PDB-ID 3HRI ]
Tbru SerRS Tbru022584AAA
Trypanosoma brucei
Seryl-tRNA synthetase
Seryladenylate found in active site after soaking with serine and ATP.
Tbru017883AAA Tbru017883AAA
Trypanosoma brucei
Uridine phosphorylase
[ PDB-ID 3BJE ]
Tbru019101AAA Tbru019101AAA
Trypanosoma brucei
Riboflavin kinase
[ PDB-ID 3BNW ]
Tbru020260AAA Tbru020260AAA
Trypanosoma brucei
Unknown function
[ PDB-ID 2Q0X ]
Tbru015978_tetramer Tbru015978AAA
Trypanosoma brucei
Dihydroorotate dehydrogenase
[ PDB-ID 2B4G ]
Tbru015777AAA_sideview_hsc Tbru015777AAA
Trypanosoma brucei
Nucleoside 2-deoxyribosyltransferase
[ PDB-ID 2A0K ]
See also: [ 2F2T, 2F62, 2F64, 2F67, ]

Trypanosoma cruzi

Tcru His RS Tcru008378AAB
Trypanosoma cruzi
Histidinyl-tRNA synthase
Dimer with histidinyl-adenylate monophosphate (HAM) bound
[ PDB-ID 3HRJ ]
[ PDB-ID 3HRK ]
Tcru019078AAA Tcru019078AAA
Trypanosoma cruzi
Spermidine synthase
[ PDB-ID 3BWB ]
[ PDB-ID 3BWC ]
Tcru010945AAA Tcru010945AAA
Trypanosoma cruzi
Arginase superfamily protein
[ PDB-ID 2A0M ]
Tcru013382AAA_native Tcru013382AAA
Trypanosoma cruzi
Cyclophilin (Cyclosporin-A binding protein)
Unliganded
[ PDB-ID 1XO7 ]
Tcru0013382AAA_cyclo Tcru0013382AAA
Trypanosoma cruzi
Cyclophilin (Cyclosporin-A binding protein)
Potential drug target PDB 1XO7 Cyclophilin complexed with known anti-Leishmanial agent Cyclosporin
[ PDB-ID 1XQ7 ]

Cryptosporidum parvum

Cpar071490AAB_TrypRS_dimer Cpar071490AAB
Cryptosporidum parvum
Tryptophanyl-tRNA synthetase
Dimer
[ PDB-ID 3HV0 ]

Entamoeba histolytica

Ehis Tryp tRNA Synthetase 3 dimers Ehis058157AAB
Entamoeba histolytica
Tryptophanyl-tRNA synthetase
Three dimers in the asymmetric unit
[ PDB-ID 3hzr ]
Ehis Asp tRNA Synthetase Dimer Ehis262059AAA
Entamoeba histolytica
Aspartyl-tRNA synthetase
Dimers
[ PDB-ID 3I7F ]

Giardia lamblia

Gint003032AAA Tryp tRNA Synthetase tetramer Gint003032AAA
Giardia lamblia
Tryptophanyl-tRNA synthetase
Tetramer
[ PDB-ID 3FOC ]
Gint015983AAC PRS Gint015983AAC
Giardia lamblia
Prolyl-tRNA synthetase
Prolyladenylate and inorganic phosphate were found in the active site after cocrystallization with L-proline and ATP. [ PDB-ID 3IAL ]

Toxoplasma gondii

Gint015983AAC PRS Tgon065570BAB
Toxoplasma gondii
Calcium-dependent Protein Kinase 1
[ PDB-ID 3I79 ]
[ PDB-ID 3I7B ]
[ PDB-ID 3I7C ]
Tgon077550AAB Cathepsin L Tgon077550AAB
Toxoplasma gondii
Cathepsin L Cysteine Proteinase
Cathepsin protein L in complex with its propeptide.
Protease is shown as blue ribbon; catalytic triad residues as magenta sticks; five disulfide bonds as yellow sticks; propeptide as green ribbon. The propeptide was cleaved from the protease prior to crystallization with no further purification, and remained bound.
[ PDB-ID 3F75 ]


SGPP Structures not continued as targets in MSGPP

Pfal007201AAA_2_white Pfal007201AAA
Plasmodium falciparum
Thioredoxin
[ PDB-ID 1SYR ]
Pfal004331AAA Pfal004331AAA
Plasmodium falciparum
hypothetical protein, conserved
[ PDB-ID 1ZSO ]
Pv2324ribbonwhite Pviv002324AAA
Plasmodium vivax
HAD / COF-like hydrolase
Homolog to proteins belonging to the Haloacid Dehydrogenase superfamily, subfamily IIB
[ PDB-ID 2B30 ]
Pber005319AAA Pber005319AAA
Plasmodium berghei
Superoxide dismutase
[ PDB-ID 2A03 ]
Lmaj005461AAB_hex_view01_light_USF_phobic

Lmaj005461AAB
Leishmania major
Ubiquitin conjugating enzyme E2
[ PDB-ID 1YF9 ]

Lmaj01134AAC_top Lmaj01134AAC
Leishmania major
This N-terminally truncated protein is a Leishmania major (Friedlin) homolog of the "programmed cell death 6" protein
[ PDB-ID 1Y1X ]
Lmaj001686AAA Lmaj001686AAA
Leishmania major
Putative mitochondrial associated ribonuclease (90% sequence identity to Leishmania tarentolae MAR1) high structural homology to N-carbamoylsarcosine amidohydrolase (15% sequence identity) including active site Cys
[ PDB-ID 1XN4 ]
Lmaj006238AAA_dimer Lmaj006238AAA
Leishmania major
Eukaryotic initiation factor 2B
[ PDB-ID 2A0U ]
Lmaj006873AAA_shelxpro18 Lmaj006873AAA
Leishmania major
Hypothetical protein, conserved
[ PDB-ID 2B4W ]
Lmaj011689AAA Lmaj011689AAA
Leishmania major
Homologue to human p32 protein
The resolution is 2.3A
[ PDB-ID 1YQF ]
Lmaj002144AAA Lmaj002144AAA
Leishmania major
Putative calpain-like cysteine peptidase
[ PDB-ID 1R75 ]
Lmaj004144AAA_ribbonwhite Lmaj004144AAA
Leishmania major
Probable kinase
[ PDB-ID 1Y63 ]
Ldon001686AAA Ldon001686AAA
Leishmania donovani
Putative mitochondrial associated ribonuclease (90% sequence identity to L. tarentolae MAR1) High structural homology to N-carbamoylsarcosine amidohydrolase (15% sequence identity) including active site Cys
[ PDB-ID 1X9G ]
Tcru003547AAA+gift Tcru003547AAA
Trypanosoma cruzi
Ribonuclease MAR1
Ribbon diagram showing bound sulfate and large unknown ligand courtesy of E coli (mFo-Fc density at 4 and 7 sigma)
[ PDB-ID 1YZV ]
DBsf00001AYE DBsf000001AYE
Engineered protein designed to mimic fold of 1AYE
[ PDB-ID 1VJQ ]


Additional Pathogenic Protozoan Structures Solved by MSGPP Members

Plasmodium falciparum

Myosin A tail domain interacting protein (MTIP)
Plasmodium falciparum.
PDB-ID 2AUC ]
Yellow: the closed P. falciparum structure, Blue: the "open" P. knowlesi structure in complex with the MyoA tail helix in red.
Bosch J, Turley S, Daly TM, Bogh SM, Villasmil ML, Roach C, Zhou N, Morrisey J.M., Vaidya A.B., Bergman L.W., Hol W. G. Proc Natl Acad Sci U S A (2006) 103:4852-4857
Medline ]
Peptide Deformylase
Plasmodium falciparum
PDB-ID 1JYM ]
Abhinav Kumar, Kiet T. Nguyen, Sumant Srivathsan, Brad Ornstein, Stewart Turley, Irwin Hirsh, Dehua Pei and Wim G. J. Hol Structure (2002) 357-367
Article ]
Fructose-1,6-bisphosphate Aldolase
Plasmodium falciparum.
PDB-ID 1A5C ]
Kim, H., Certa, U., Dobeli, H., Jakob, P., Hol, W. G. Biochemistry (1998) 37:4388
Medline ]

Plasmodium knowlesi

Myosin A tail domain interacting protein (MTIP)
Plasmodium knowlesi.
PDB-ID 2QAC ]
Bosch J, Turley S, Roach CM, Daly TM, Bergman LW, Hol WG. J Mol Biol. (2007) Jun 9; [Epub ahead of print]
Yellow: the closed P. falciparum structure, Blue: the "open" P. knowlesi structure in complex with the MyoA tail helix in red.
Medline ]

Leishmania mexicana

Glyceraldehyde 3-Phosphate Dehydrogenase
Leishmania mexicana
PDB-ID 1GYP ]
Kim, H., Feil, I. K., Verlinde, C. L., Petra, P. H., Hol, W. G. Biochemistry (1995) 34:14975
Medline ]
Glycerol-3-phosphate Dehydrogenase
Leishmania mexicana
PDB-ID 1EVY ]
Suresh, S., Turley, S., Opperdoes, F. R., Michels, P. A. M., Hol, W. G. J. Structure (2000) 8:541
Medline ]

Fructose-1,6-bisphosphate Aldolase
Leishmania mexicana
Glycosomal Fructose-1,6-bisphosphate Aldolase
PDB-ID 1EPX ]
Chudzik, D. M., Michels, P. A., De Walque, S., Hol, W. G. J. J.Mol.Biol. (2000) 300:697
Medline ]

Leishmania donovani

Heterodimeric Topoisomerase 1
Leishmania donovani
PDB-ID 2B9S  ]
Davies, D.R., Mushtaq, A., Interhtal, H., Champoux, J.J. & Hol, W. G. J. (2006) J Mol Biol 357, 1202-1210

Trypanosoma brucei

RNA editing ligase I
Trypanosoma brucei
PDB-ID 1XDN ]
Deng, J., Schnaufer, A., Salavati, R., Stuart, K. & Hol, W. G. J. (2004) J Mol Biol 343, 601-613
RNA editing TUTase 2
Trypanosoma brucei
PDB-ID 2B4V ]
PDB-ID 2B51 ]
PDB-ID 2B56 ]
Deng, J., Lewis Ernst, N., Turley, S., Stuart, K. & Hol, W. G. J. (2005) EMBO J. 24, 4007-4017

Peroxin 5 Fragment
Trypanosoma brucei
Third Tpr Motif of the Peroxin Pex5
PDB-ID 1HXI ] Kumar, A., Roach, C., Hirsh, I. S., Turley, S., Dewalque, S., Michels, P. A. M., Hol, W. G. J. J.Mol.Biol. (2001) 307:271
Medline ]

 

Phosphoglycerate Kinase
Trypanosoma brucei
Phosphoglycerate kinase
PDB-ID 16PK ]
Bernstein, B. E., Michels, P. A. M. & Hol, W. G. J. (1997) Nature 385, 275-278
Medline ]

 

Fructose-1,6-bisphosphate Aldolase
Trypanosoma brucei
PDB-ID 1F2J ]
Chudzik, D. M., Michels, P. A., De Walque, S., Hol, W. G. J. J.Mol.Biol. (2000) 300:697
Medline ]
Glyceraldehyde-3-phosphate Dehydrogenase
Trypanosoma brucei
PDB-ID 1GGA ]
Vellieux, F. M., Hajdu, J., Verlinde, C. L., Groendijk, H., Read, R. J., Greenhough, T. J., Campbell, J. W., Kalk, K. H., Littlechild, J. A., Watson, H. C., et al. Proc Natl Acad Sci USA (1993) 90:2355
Medline ]
Triosephosphate Isomerase
Trypanosoma brucei
PDB-ID 5TIM ]
Rik K. Wierenga, Kor H. Kalk and Wim G. J. Hol Journal of Molecular Biology (1987) 198:109-121