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SMTL ID : 1x9h.1
Crystal structure of phosphoglucose/phosphomannose isomerase from Pyrobaculum aerophilum in complex with fructose 6-phosphate
Coordinates
PDB Format
Method
X-RAY DIFFRACTION 1.50 Å
Oligo State
homo-dimer
Ligands
5 x
SO4
:
SULFATE ION
(Non-functional Binders)
SO4.1:
3 residues within 4Å:
Chain A:
A.296
,
R.299
,
R.300
2
PLIP interactions
:
2 interactions with chain A
Salt bridges:
A:R.299
,
A:R.300
SO4.2:
3 residues within 4Å:
Chain A:
Y.101
,
R.104
,
R.105
2
PLIP interactions
:
2 interactions with chain A
Salt bridges:
A:R.104
,
A:R.105
SO4.3:
3 residues within 4Å:
Chain A:
Q.179
,
R.181
,
R.284
5
PLIP interactions
:
5 interactions with chain A
Hydrogen bonds:
A:Q.179
Water bridges:
A:R.181
,
A:R.181
Salt bridges:
A:R.181
,
A:R.284
SO4.8:
3 residues within 4Å:
Chain B:
Y.101
,
R.104
,
R.105
2
PLIP interactions
:
2 interactions with chain B
Salt bridges:
B:R.104
,
B:R.105
SO4.9:
3 residues within 4Å:
Chain B:
Q.179
,
R.181
,
R.284
3
PLIP interactions
:
3 interactions with chain B
Hydrogen bonds:
B:Q.179
Salt bridges:
B:R.181
,
B:R.284
2 x
F6R
:
FRUCTOSE -6-PHOSPHATE
(Non-covalent)
F6R.4:
15 residues within 4Å:
Chain A:
M.45
,
G.46
,
G.47
,
S.48
,
S.87
,
Y.88
,
S.89
,
T.92
,
A.133
,
P.134
,
R.135
,
E.203
,
K.298
Chain B:
H.219
Ligands:
GOL.7
17
PLIP interactions
:
16 interactions with chain A
,
1 interactions with chain B
Hydrogen bonds:
A:M.45
,
A:G.47
,
A:S.48
,
A:S.48
,
A:Y.88
,
A:S.89
,
A:T.92
,
A:R.135
,
A:R.135
,
A:E.203
,
A:K.298
Water bridges:
A:M.45
,
A:S.89
,
A:S.89
,
A:T.92
,
B:N.220
Salt bridges:
A:K.298
F6R.10:
14 residues within 4Å:
Chain A:
H.219
Chain B:
M.45
,
G.46
,
G.47
,
S.48
,
S.87
,
Y.88
,
S.89
,
T.92
,
A.133
,
P.134
,
R.135
,
E.203
,
K.298
16
PLIP interactions
:
15 interactions with chain B
,
1 interactions with chain A
Hydrogen bonds:
B:G.47
,
B:S.48
,
B:S.48
,
B:Y.88
,
B:S.89
,
B:T.92
,
B:R.135
,
B:R.135
,
B:E.203
,
B:K.298
Water bridges:
B:S.89
,
B:S.89
,
B:S.89
,
B:K.298
,
A:N.220
Salt bridges:
B:K.298
4 x
GOL
:
GLYCEROL
(Non-functional Binders)
GOL.5:
5 residues within 4Å:
Chain A:
D.53
,
A.70
,
K.72
,
R.191
,
Y.195
7
PLIP interactions
:
2 interactions with chain B
,
5 interactions with chain A
Water bridges:
B:R.191
,
B:R.191
,
A:D.53
,
A:D.53
,
A:Y.195
Hydrogen bonds:
A:D.53
,
A:R.191
GOL.6:
5 residues within 4Å:
Chain A:
T.233
,
S.234
,
P.235
,
Q.242
,
A.258
2
PLIP interactions
:
2 interactions with chain A
Hydrogen bonds:
A:T.233
,
A:T.233
GOL.7:
6 residues within 4Å:
Chain A:
S.89
,
N.91
,
T.92
,
I.93
,
K.298
Ligands:
F6R.4
6
PLIP interactions
:
6 interactions with chain A
Hydrogen bonds:
A:S.89
,
A:S.89
,
A:I.93
,
A:K.298
Water bridges:
A:E.94
,
A:K.298
GOL.11:
6 residues within 4Å:
Chain B:
V.27
,
E.28
,
E.30
,
K.103
,
R.104
,
R.106
3
PLIP interactions
:
3 interactions with chain B
Hydrogen bonds:
B:E.28
,
B:E.30
,
B:K.103
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Swan, M.K. et al., Structural basis for phosphomannose isomerase activity in phosphoglucose isomerase from Pyrobaculum aerophilum: a subtle difference between distantly related enzymes. Biochemistry (2004)
Release Date
2004-12-07
Peptides
glucose-6-phosphate isomerase:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
B
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glucose-6-phosphate isomerase
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1tzb.1
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1tzc.1
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1x9i.1
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