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* Residue conservation analysis
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Enzyme class:
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E.C.2.7.4.8
- Guanylate kinase.
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Reaction:
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ATP + GMP = ADP + GDP
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ATP
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+
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GMP
Bound ligand (Het Group name = )
corresponds exactly
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=
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ADP
Bound ligand (Het Group name = )
corresponds exactly
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+
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GDP
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Molecule diagrams generated from .mol files obtained from the
KEGG ftp site
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Gene Ontology (GO) functional annotation
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Biological process
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purine nucleotide metabolic process
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1 term
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Biochemical function
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nucleotide binding
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5 terms
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DOI no:
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J Biol Chem
277:30236-30243
(2002)
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PubMed id:
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Structural characterization of the closed conformation of mouse guanylate kinase.
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N.Sekulic,
L.Shuvalova,
O.Spangenberg,
M.Konrad,
A.Lavie.
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ABSTRACT
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Guanylate kinase (GMPK) is a nucleoside monophosphate kinase that catalyzes the
reversible phosphoryl transfer from ATP to GMP to yield ADP and GDP. In addition
to phosphorylating GMP, antiviral prodrugs such as acyclovir, ganciclovir, and
carbovir and anticancer prodrugs such as the thiopurines are dependent on GMPK
for their activation. Hence, structural information on mammalian GMPK could play
a role in the design of improved antiviral and antineoplastic agents. Here we
present the structure of the mouse enzyme in an abortive complex with the
nucleotides ADP and GMP, refined at 2.1 A resolution with a final
crystallographic R factor of 0.19 (R(free) = 0.23). Guanylate kinase is a member
of the nucleoside monophosphate (NMP) kinase family, a family of enzymes that
despite having a low primary structure identity share a similar fold, which
consists of three structurally distinct regions termed the CORE, LID, and
NMP-binding regions. Previous studies on the yeast enzyme have shown that these
parts move as rigid bodies upon substrate binding. It has been proposed that
consecutive binding of substrates leads to "closing" of the active
site bringing the NMP-binding and LID regions closer to each other and to the
CORE region. Our structure, which is the first of any guanylate kinase with both
substrates bound, supports this hypothesis. It also reveals the binding site of
ATP and implicates arginines 44, 137, and 148 (in addition to the invariant
P-loop lysine) as candidates for catalyzing the chemical step of the phosphoryl
transfer.
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Selected figure(s)
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Figure 2.
Fig. 2. Overlay of each individual region from the three
GMPK structures. Calculations of superposition matrices were
done according to the residues specified in text, with the
largest RMSD for all three regions being between mGMPK[GMP-ADP]
and yGMPK[apo]. a, overlay of LID region. b, overlay of
NMP-binding region. c, overlay of CORE region. Highest RMSD
values were: for the CORE region, 1.62 Å; for the
NMP-binding region, 0.76 Å; and for the LID region, 0.86
Å. The regions from yGMPK[apo] are displayed in green,
those from yGMPK[GMP] are in blue, and those from mGMPK[GMP-ADP]
are in magenta.
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Figure 3.
Fig. 3. Three conformational states of GMPK. Overlays of
yGMPK [apo] (green), yGMPK[GMP] (blue), and mGMPK[GMP-ADP]
(magenta) are shown. The nucleotide-dependent conformational
states are open in the apo-structure, partially closed in the
presence of GMP, and fully closed in the presence of GMP and ADP.
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The above figures are
reprinted
by permission from the ASBMB:
J Biol Chem
(2002,
277,
30236-30243)
copyright 2002.
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Figures were
selected
by an automated process.
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Literature references that cite this PDB file's key reference
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PubMed id
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Reference
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M.Kandeel,
and
Y.Kitade
(2011).
Binding dynamics and energetic insight into the molecular forces driving nucleotide binding by guanylate kinase.
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J Mol Recognit, 24,
322-332.
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S.Sacquin-Mora,
O.Delalande,
and
M.Baaden
(2010).
Functional modes and residue flexibility control the anisotropic response of guanylate kinase to mechanical stress.
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Biophys J, 99,
3412-3419.
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A.Ardiani,
A.Goyke,
and
M.E.Black
(2009).
Mutations at serine 37 in mouse guanylate kinase confer resistance to 6-thioguanine.
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Protein Eng Des Sel, 22,
225-232.
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C.Stanley,
S.Krueger,
V.A.Parsegian,
and
D.C.Rau
(2008).
Protein structure and hydration probed by SANS and osmotic stress.
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Biophys J, 94,
2777-2789.
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A.Ofiteru,
N.Bucurenci,
E.Alexov,
T.Bertrand,
P.Briozzo,
H.Munier-Lehmann,
and
A.M.Gilles
(2007).
Structural and functional consequences of single amino acid substitutions in the pyrimidine base binding pocket of Escherichia coli CMP kinase.
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FEBS J, 274,
3363-3373.
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PDB codes:
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B.Choi,
and
G.Zocchi
(2007).
Guanylate kinase, induced fit, and the allosteric spring probe.
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Biophys J, 92,
1651-1658.
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G.Mayr,
F.S.Domingues,
and
P.Lackner
(2007).
Comparative analysis of protein structure alignments.
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BMC Struct Biol, 7,
50.
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M.L.Reese,
S.Dakoji,
D.S.Bredt,
and
V.Dötsch
(2007).
The guanylate kinase domain of the MAGUK PSD-95 binds dynamically to a conserved motif in MAP1a.
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Nat Struct Mol Biol, 14,
155-163.
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N.Sekulic,
K.Dietrich,
I.Paarmann,
S.Ort,
M.Konrad,
and
A.Lavie
(2007).
Elucidation of the active conformation of the APS-kinase domain of human PAPS synthetase 1.
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J Mol Biol, 367,
488-500.
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PDB codes:
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D.Korkin,
F.P.Davis,
F.Alber,
T.Luong,
M.Y.Shen,
V.Lucic,
M.B.Kennedy,
and
A.Sali
(2006).
Structural modeling of protein interactions by analogy: application to PSD-95.
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PLoS Comput Biol, 2,
e153.
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G.Hible,
P.Christova,
L.Renault,
E.Seclaman,
A.Thompson,
E.Girard,
H.Munier-Lehmann,
and
J.Cherfils
(2006).
Unique GMP-binding site in Mycobacterium tuberculosis guanosine monophosphate kinase.
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Proteins, 62,
489-500.
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PDB codes:
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K.El Omari,
B.Dhaliwal,
M.Lockyer,
I.Charles,
A.R.Hawkins,
and
D.K.Stammers
(2006).
Structure of Staphylococcus aureus guanylate monophosphate kinase.
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Acta Crystallogr Sect F Struct Biol Cryst Commun, 62,
949-953.
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PDB code:
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M.Kotaka,
B.Dhaliwal,
J.Ren,
C.E.Nichols,
R.Angell,
M.Lockyer,
A.R.Hawkins,
and
D.K.Stammers
(2006).
Structures of S. aureus thymidylate kinase reveal an atypical active site configuration and an intermediate conformational state upon substrate binding.
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Protein Sci, 15,
774-784.
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PDB codes:
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I.L.de La Sierra-Gallay,
B.Collinet,
M.Graille,
S.Quevillon-Cheruel,
D.Liger,
P.Minard,
K.Blondeau,
G.Henckes,
R.Aufrère,
N.Leulliot,
C.Z.Zhou,
I.Sorel,
J.L.Ferrer,
A.Poupon,
J.Janin,
and
H.van Tilbeurgh
(2004).
Crystal structure of the YGR205w protein from Saccharomyces cerevisiae: close structural resemblance to E. coli pantothenate kinase.
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Proteins, 54,
776-783.
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PDB code:
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N.N.Suzuki,
K.Koizumi,
M.Fukushima,
A.Matsuda,
and
F.Inagaki
(2004).
Structural basis for the specificity, catalysis, and regulation of human uridine-cytidine kinase.
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Structure, 12,
751-764.
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PDB codes:
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Y.Opatowsky,
C.C.Chen,
K.P.Campbell,
and
J.A.Hirsch
(2004).
Structural analysis of the voltage-dependent calcium channel beta subunit functional core and its complex with the alpha 1 interaction domain.
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Neuron, 42,
387-399.
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PDB code:
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The most recent references are shown first.
Citation data come partly from CiteXplore and partly
from an automated harvesting procedure. Note that this is likely to be
only a partial list as not all journals are covered by
either method. However, we are continually building up the citation data
so more and more references will be included with time.
Where a reference describes a PDB structure, the PDB
codes are
shown on the right.
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