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* 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 with LIGANDS

There are 5 categories of structures with ligands.
Category 1: Structures showing Ligands using multi-compound libraries, "fragment cocktails"
Category 2: Structures with synthetic inhibitors
Category 3: Structures with added metabolite Ligands
Category 4: Structures with metabolite Ligands from E. coli
Category 5: Structures with surprise Ligands

Category 1
Structures showing Ligands using "Fragment Cocktail Crystallography"


Pfal009167AAA (27K)

Pfal009167AAA
Plasmodium falciparum
Putative D-Ribulose 5-Phosphate 3-Epimerase
Showing density compatible with 3-aminopyrrolidine from cocktail #68


Pfal005984_fragment (27K)

5-phenyl-2-furoic acid
Pfal005984AAA
Plasmodium falciparum
Phosphoglycerate mutase
Observed difference density in the active site of phosphoglycerate mutase after soaking in cocktail #68. The observed density is consistent only with 5-phenyl-2-furoic acid


Tbru015777AAA_2F67

Tbru015777AAA
Trypanosoma brucei
Nucleoside 2-deoxyribosyltransferase
The ligand bound in the active site is BENZO[CD]INDOL-2-ONE
PDB-ID 2F67  ]
Bosch J, Robien MA, Mehlin C, Boni E, Riechers A, Buckner FS, Van Voorhis WC, Myler PJ, Worthey EA, DeTitta G, Luft JR, Lauricella A, Gulde S, Anderson LA, Kalyuzhniy O, Neely HM, Ross J, Earnest TN, Soltis M, Schoenfeld L, Zucker F, Merritt EA, Fan E, Verlinde CL, Hol W.G.
J. Med. Chem.
(2006) 49: 5939-5946


Tbru015777AAA_2F62

Tbru015777AAA
Trypanosoma brucei
Nucleoside 2-deoxyribosyltransferase
The ligand bound in the active site is (2-ETHYLPHENYL)METHANOL
PDB-ID 2F62  ]
Bosch J, Robien MA, Mehlin C, Boni E, Riechers A, Buckner FS, Van Voorhis WC, Myler PJ, Worthey EA, DeTitta G, Luft JR, Lauricella A, Gulde S, Anderson LA, Kalyuzhniy O, Neely HM, Ross J, Earnest TN, Soltis M, Schoenfeld L, Zucker F, Merritt EA, Fan E, Verlinde CL, Hol W.G.
J. Med. Chem.
(2006) 49: 5939-5946


Tbru015777AAA_2F64

Tbru015777AAA
Trypanosoma brucei
Nucleoside 2-deoxyribosyltransferase
The ligand bound in the active site is 1-METHYLQUINOLIN-2(1H)-ONE
PDB-ID 2F64  ]
Bosch J, Robien MA, Mehlin C, Boni E, Riechers A, Buckner FS, Van Voorhis WC, Myler PJ, Worthey EA, DeTitta G, Luft JR, Lauricella A, Gulde S, Anderson LA, Kalyuzhniy O, Neely HM, Ross J, Earnest TN, Soltis M, Schoenfeld L, Zucker F, Merritt EA, Fan E, Verlinde CL, Hol W.G.
J. Med. Chem.
(2006) 49: 5939-5946


Tbru015777AAA_2F2T

Tbru015777AAA
Trypanosoma brucei
Nucleoside 2-deoxyribosyltransferase
The ligand bound in the active site is 5-AMINOISOQUINOLINE
PDB-ID 2F2T ]
Bosch J, Robien MA, Mehlin C, Boni E, Riechers A, Buckner FS, Van Voorhis WC, Myler PJ, Worthey EA, DeTitta G, Luft JR, Lauricella A, Gulde S, Anderson LA, Kalyuzhniy O, Neely HM, Ross J, Earnest TN, Soltis M, Schoenfeld L, Zucker F, Merritt EA, Fan E, Verlinde CL, Hol W.G.
J. Med. Chem.
(2006) 49: 5939-5946


  Lmaj006828AAA Lmaj006828AAA
Leishmania major
Coproporphyrinogen 3 Oxidase
With cyclopentyl acetic acid from cocktail #61
  Lmaj006828AAA Lmaj006828AAA
Leishmania major
Coproporphyrinogen 3 Oxidase
With 5-fluoroindole-2-carboxylic acid from cocktail #68


Lmaj004144+cocktail2_ligand

4-amino-2-methylquinoline

Lmaj004144AAA
Leishmania major
Adenylate kinase
Observed difference density after soaking in cocktail #2. The observed density is consistent only with 4-amino-2-methylquinoline


Lnai002320AAC

Lnai002302AAC
Leishmania naiffi
Uracil-DNA glycosylase
With 4-morpholinopyridine from cocktail #38 and DMSO

Lnai002320AAC

Lnai002302AAC
Leishmania naiffi
Uracil-DNA glycosylase
With 5-chloro-2-methoxybenzoic acid from cocktail #30 and DMSO

Lnai002320AAC

Lnai002302AAC
Leishmania naiffi
Uracil-DNA glycosylase
With 8-hydroxyquinoline-2-carboxylic acid from cocktail #5, DMSO, and glycerol

Lnai002320AAC_IDC

Lnai002302AAC
Leishmania naiffi
Uracil-DNA glycosylase
With 1H-imidazole-4-carbothioamide from from cocktail #64


Category 2
Structures with synthetic inhibitors


Pviv005676AAA Pviv005676AAA

Pviv005676AAA
Plasmodium vivax
Adenosine deaminase
With pentostatin bound. Left: sigmaA-weighted ligand-omit difference map of pentostatin (2'Deoxycoformycin, DCF) (3.5 σ).
Right: ligand as sticks and protein as ribbons.
[ PDB-ID 2PGR ]


Tcru0013382AAA_density2 Tcru0013382AAA_cyclo Tcru0013382AAA
Trypanosoma cruzi
Cyclophilin (Cyclosporin-A binding protein)
Potential drug target Cyclophilin PDB 1XO7 complexed with known anti-Leishmanial agent Cyclosporin
[ PDB-ID 1XQ7 ]

Lnai002302AAC   Lnai002302AAC
Leishmania naiffi
Uracil-DNA glycosylase
With 5-bromouracil, a metabolite analog
[ PDB-ID 3CXM ]


Category 3
Structures with added metabolite Ligands

Pfal008421AAA Pfal008421AAA
Plasmodium falciparum
Purine nucleoside phosphorylase (PNP)
With inosine bound
[ PDB-ID 2BSX ]

Pviv008894AAA Pviv008894AAA Pviv008894AAA
Plasmodium vivax
Guanylate kinase
With guanosine-5'-monophosphate and pyrophosphate bound. Left: density of ligands and protein.
Right: ligands as sticks, protein as ribbons.
[ PDB-ID 2QOR ]

Pviv005676AAA Pviv005676AAA Pviv005676AAA
Plasmodium vivax
Adenosine deaminase
With adenosine bound. Left: SigmaA-weighted ligan-omit difference map of adenosine (4 σ).
Right: Ligand as sticks and protein as ribbons.
[ PDB-ID 2PGF ]
Pviv005676AAA   Pviv005676AAA
Plasmodium vivax
Adenosine deaminase
With guanosine bound: SigmaA-weighted ligand-omit difference map (4 σ).
[ PDB-ID 2QVN ]

  TbruSerRS with SerylAdenylate Tbru022584AAA
Trypanosoma brucei
Seryl-tRNA synthetase
Seryladenylate in active site after soaking with serine and ATP

Tbru015978AAA_oroA399 Tbru015978AAA_mol_oro Tbru015978AAA
Trypanosoma brucei
Dihydroorotate dehydrogenase
Left: density for orotate bound to Tbru015978AAA.
Right: the orotate and FMN bound to Tbru015978AAA.
[ PDB-ID 2B4G ]

Tbru017883_UP_Uracil_3bje   Tbru017883AAA
Trypanosoma brucei
Uridine Phosphorylase
With uracil (showing) and ribose-1-phosphate (mostly hidden) bound..
[ PDB-ID 3BJE ]

  Tcru019078AAA_SAM

Tcru019078AAA
Trypanosoma cruzi
Spermidine synthase
With S-Adenosyl Methionine bound,
Fo - Fc map.
[ PDB-ID 3BWC ]


  Tcru His RS with HAM

Tcru008378AAB
Trypanosoma cruzi
histidyl-tRNA synthetase
With L-histidyl-adenosyl-monophosphate from co-crystallization with His then soaking with ATP and Mg
[ PDB-ID 3HRK; see also 3HRJ with L-histidine bound]


  Cpar071490AAB with Tryp.

Cpar071490AAB
Cryptosporidium parvum
tryptophanyl-tRNA synthetase
With L-tryptophan from co-crystallization
[ PDB-ID 3HV0 ]


  Gint015983AAC ProRS with ligands

Gint015983AAC
Giardia lamblia
Prolyl-tRNA synthetase
With prolyladenylate and inorganic phosphate bound after cocrystallization with L-proline and ATP.
[ PDB-ID 3IAL ]



Category 4
Structures with metabolite ligands donated by E. coli

Pfal004546AAA Pfal004546AAA_biopterin_Zn Pfal004546AAA
Plasmodium falciparum
6-pyruvoyl tetrahydrobiopterin synthase (PTPS)
The blue electrondensity map surrounding biopterin is in magenta the 5 sigma anomalous difference map of a nearby zinc ion is clearly visible.
[ PDB-ID 1Y13 ]
[ PDB-ID 2A0S ] P. vivax
Pfal007254AAA Pfal007254AAA
Plasmodium falciparum
D-glyceraldehyde-3-phosphate dehydrogenase
The cofactor NAD is shown as a ball-and-stick model, which was bound to all four subunits of the tetrameric enzyme displaying excellent electron densities.
[ PDB-ID 1ZYA ]

Tbru015978AAA_fmnA Tbru015978AAA_mol_oro Tbru015978AAA
Trypanosoma brucei
Dihydro orotate dehydrogenase
Left: density for the FMN bound to Tbru015978AAA.
Right: the orotate and FMN bound to Tbru015978AAA.

Lmaj004144AAA Lmaj004144AAA
Leishmania major
Kinase with distant sequence homology to the nuclear AK6 The electron density shows a high-occupancy Mn ADP as shown. No ADP or ATP was added to any of the solutions used during purification, crystallization, metal/halide soaking, or cryoprotection.
[ PDB-ID 1Y63 ]

Lmaj004091AAA Lmaj004091AAA
Leishmania major
Methyl-transferase for an unknown substrate
Member of Pfam family 05891/DUF858. We could identify Se-adenosyl-selenohomocysteine as cofactor due to large anomalous differences at the expected sulfur site.
[ PDB-ID 1XTP ]


Category 5
Structures with surprise Ligands

SGPPLigandWEBSITE1 SGPPLigandWEBSITE2

Pfal007254AAA
Plasmodium falciparum
Glyceraldehyde-3-phosphate dehydrogenase
Close up view from the active site region. A molecule of AEBSF, which is a protease inhibitor used during purification of the protein, is found bound near the active site.
The first image shows the electron density in the region with AEBSF shown in the middle of the scene.
The second image shows the AEBSF and its electron density from two different viewpoints, separated by 90 degrees.

Robien, et al., (2006)
Proteins
62: 570-577


Additional Pathogenic Protozoan Structures with Ligands Solved by MSGPP Members

Category 2: Structures with synthetic inhibitors
Category 3 & 4: Structures with added metabolite Ligands

Category 2
Structures with synthetic inhibitors


PfPDF

Peptide deformylase
Plasmodium falciparum
2 (R)-[(fromyl-hydroxyamino)-methyl] hexanoic acid
PDB-ID 1RI4 ]
Robien, Mark A., Nguyen, K.T., Kumar, A., Hirsh, I., Turley, S., Pei, D., Hol, W.G.J.
Protein Sci.
(2004) 13: 1155-1163



2 amino N6

Phosphoglycerate kinase
Trypanosoma brucei
2-amino-N6-[2"-(p-hydroxyphenyl)ethyl]adenosine (46b)
J.C. Bressi,J . Choe, M.T. Hough, F.S. Buckner, W.C. Van Voorhis, C.L.M.J. Verlinde, W.G.J. Hol, M.H. Gelb
J. Med. Chem.
(2000) 43: 4135-4150


N6-benzyl-NAD+

Trypanosomatid glyceraldehyde-3-phosphate dehydrogenase
Trypanosoma brucei, Trypanosoma cruzi and Leishmania mexicana
N6-benzyl-NAD+
PDB-ID 1GYQ ]
A.M. Aronov, S. Suresh, F.S. Buckner, W.C. van Voorhis, C.L.M.J. Verlinde, W.G.J. Hol, M.H. Gelb
Proc. Natl. Acad. Sci. USA
(1999) 96: 4273-4278


Bisubstrate analog

Phosphoglycerate kinase
Trypanosoma brucei
Bisubstrate analog 1,1,5,5-tetrafluoropentane-1,5-bisphosphonate
PDB-ID 16PK ]
B.E. Bernstein, D.M. Williams, J.C. Bressi, P. Kuhn, M.H. Gelb, G.M. Blackburn, W.G.J. Hol
J. Mol. Biol.
(1998) 279: 1137-1148


MgAMPPNP and Mg-ADP

Phosphoglycerate kinase
Trypanosoma brucei
Substrate analog MgAMPPNP
B.E. Bernstein, W.G.J. Hol
Biochemistry
(1998) 37: 4429-4436


N-hydroxy_4_phosphono_butanamide

Trypanosomal Triosephosphate Isomerase
Trypanosoma brucei
N-hydroxy_4_phosphono_butanamide (4BPH)
PDB-ID 1TSI ]
C.L.M.J. Verlinde, C.J. Witmans, T. Pijning, K.H. Kalk, W.G.J. Hol, M. Callens, F.R. Opperdoes
Protein Science
(1992) 1: 1578-1584


3-phosphonopropionic acid

Trypanosomal Triosephosphate Isomerase
Trypanosoma brucei
3-phosphonopropionic acid (3PP)
PDB-ID 1IIG ]
M.E.M. Noble, R.K. Wierenga, A.M. Lambeir, F.R. Opperdoes, A.M.W.H. Thunnissen, K.H. Kalk, H. Groendijk, W.G.J. Hol
Proteins
(1991) 10: 50-69


3-phosphonopropionic acid

Trypanosomal Triosephosphate Isomerase
Trypanosoma brucei
Glycerol-3-phosphate (G3P)
PDB-ID 6TIM ]
M.E.M. Noble, R.K. Wierenga, A.M. Lambeir, F.R. Opperdoes, A.M.W.H. Thunnissen, K.H. Kalk, H. Groendijk, W.G.J. Hol
Proteins
(1991) 10: 50-69


3-phosphonopropionic acid

Trypanosomal Triosephosphate Isomerase
Trypanosoma brucei
3-phosphoglycerate (3-PGA)
PDB-ID 1IIH ]
M.E.M. Noble, R.K. Wierenga, A.M. Lambeir, F.R. Opperdoes, A.M.W.H. Thunnissen, K.H. Kalk, H. Groendijk, W.G.J. Hol
Proteins
(1991) 10: 50-69


3-phosphonopropionic acid

Trypanosomal Triosephosphate Isomerase
Trypanosoma brucei
3-phosphonopropionic acid (3PP)
M.E.M. Noble, C.L.M.J. Verlinde, H. Groendijk,K.H. Kalk, R.K. Wierenga, W.G.J. Hol
J.Med. Chem.
(1991) 34: 2709-2718



BCP BOP

Glycerol-3-phosphate Dehydrogenase
Leishmania mexicana
BCP, BOP,2-flouro-6-chloro-purine (FCP) and NADH
J. Choe, S. Suresh, G. Wisedchaisri, K.J. Kennedy, M.H. Gelb, W.G.J. Hol
Chem. & Biol.
(2002) 8: 1189-1197


BOP

Glycerol-3-phosphate Dehydrogenase
Leishmania mexicana
2-bromo-6-hydroxy-purine (BOP)
PDB-ID 1M67 ]
J. Choe, S. Suresh, G. Wisedchaisri, K.J. Kennedy, M.H. Gelb, W.G.J. Hol
Chem. & Biol.
(2002) 8: 1189-1197


BCP

Glycerol-3-phosphate Dehydrogenase
Leishmania mexicana
2-bromo-6-chloro-purine (BCP)
PDB-ID 1M66 ]
J. Choe, S. Suresh, G. Wisedchaisri, K.J. Kennedy, M.H. Gelb, W.G.J. Hol
Chem. & Biol.
(2002) 8: 1189-1197


NMDBA

Glyceraldehyde-3-phosphate Dehydrogenase
Leishmania mexicana
N6-(1-naphthalene methyl)-2'-deoxy-2"-(3,5-dimethoxy benzamido) adenosine (NMDBA)
PDB-ID 1I32 ]
S. Suresh, J.C. Bressi, K.J. Kennedy, C.L.M.J. Verlinde, M.H. Gelb, W.G.J. Hol
J. Mol. Biol.
(2001) 309: 423-435


NMDBA

Glyceraldehyde-3-phosphate Dehydrogenase
Leishmania mexicana
N6-(1-naphthalene methyl)-2'-deoxy-2"-(3,5-dimethoxy benzamido) adenosine (NMDBA)
PDB-ID 1I32 ]
S. Suresh, J.C. Bressi, K.J. Kennedy, C.L.M.J. Verlinde, M.H. Gelb, W.G.J. Hol
J. Mol. Biol.
(2001) 309: 423-435


TNDBA

Glyceraldehyde-3-phosphate Dehydrogenase
Leishmania mexicana
N6-(1,2,3,4-tetreahydronaphthyl)-2'-deoxy-2'-(3,5-dimethoxy benzamido) adenosine (TNDBA)
PDB-ID 1I33 ]
S. Suresh, J.C. Bressi, K.J. Kennedy, C.L.M.J. Verlinde, M.H. Gelb, W.G.J. Hol
J. Mol. Biol.
(2001) 309: 423-435

Category 3 and 4
Structures with metabolite Ligands


TRAP tripeptide

Aldolase
Plasmodium falciparum
TRAP tripeptide
PDB-ID 2PC4 ]
PDB-ID 2EPH ]
Bosch, J., Buscaglia, Carlos A., Krumm, Brian E., Ingason, B., Lucas, R., Roach, C., Cardozo, T., Nussenzweig, Victor, Hol, W. G.
Proc. Natl. Acad. Sci. USA
(2007) 104: 7015-7020



UTP

Uridylyl transferase 2
Trypansoma brucei
UTP
PDB-ID 2B4V ]
Deng, J., Lewis Ernst, N., Turley, S., Stuart, K. & Hol, W. G. J.
EMBO J.
(2005) 24: 4007-4017


ATP

RNA Editing Ligase 1
Trypansoma brucei
ATP
Deng, J., Schnaufer, A., Salavati, R., Stuart, K. and Hol, W. G. J.
J. Mol. Biol.
(2004) 343: 601-613


3-PGA and Mg-ADP

Phosphoglycerate kinase
Trypanosoma brucei
3-phospho-glycerate (3-PGA) and Mg-ADP
PDB-ID 13PK ]
B.E. Bernstein, W.G.J. Hol
Biochemistry
(1998) 37: 4429-4436

B.E. Bernstein, P.A.M. Michels, W.G.J. Hol
Nature
(1997) 385: 275-278


Pi and Mg-ADP

Phosphoglycerate kinase
Trypanosoma brucei
Pi and Mg-ADP
B.E. Bernstein, W.G.J. Hol
Biochemistry
(1998) 37: 4429-4436


NAD

Trypanosomal Glyceraldehyde-3-phosphate dehydrogenase
Trypanosoma brucei
NAD
PDB-ID 1GGA ]
C.L.M.J. Verlinde, M. Callens, S. Van Calenbergh, A. Van Aerschot, P. Herdewijn, V. Hannaert, P.A.M. Michels, F.R. Opperdoes, W.G.J. Hol
J. Med. Chem.
(1994) 37: 3605-3613

F.M.D. Vellieux, J. Hadju, W.G.J. Hol
Acta Cryst
(1995) D51: 575-589

F.M.D. Vellieux, J. Hadju, C.L.M.J. Verlinde, H. Groendijk, R.J. Read, T. Greenough, J.W. Campbell, K.H. Kalk, J. Littlechild, H.C. Watson, W.G.J. Hol
Proc. Natl. Acad. Sci. USA
(1993) 90: 2355-2359



DHAP

Glycerol-3-Phosphate Dehydrogenase
Leishmania mexicana
Adduct of dihydroxyacetone phosphate (DHAP) and NAD+
PDB-ID 1N1E ]
J. Choe, Daniel Guerra, P.A.M. Michels, W.G.J. Hol
J. Mol. Biol.
(2003) 329: 335-349


NADH

NAD-dependent glycerol-3-phosphate dehydrogenase
Leishmania mexicana
NADH
PDB-ID 1EVY ]
PDB-ID 1EVZ ]
S. Suresh, T. Drmota, S. Turley, F.R. Opperdoes, P.A.M. Michels, W.G.J. Hol
Structure Fold Des.
(2000) 8: 542-552


NAD

Glycosomal Glyceraldehyde-3-Phosphate Dehydrogenase
Leishmania mexicana
NAD
PDB-ID 1GYP ]
H. Kim, I.K. Feil, C.L.M.J. Verlinde, P.H. Petra, W.G.J. Hol
Biochemistry
(1995) 34: 14975-14986


DNA

Topoisomerase I
Leishmania donovani
DNA
PDB-ID 2B9S ]
Davies, D.R., Mushtaq, A., Interthal, Heidrun, Champoux, James J., Hol, W.G.J.
J. Mol. Biol.
(2006) 24: 1202-1210