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SMTL ID : 1ix7.1
Aspartate Aminotransferase Active Site Mutant V39F maleate complex
Coordinates
PDB Format
Method
X-RAY DIFFRACTION 2.20 Å
Oligo State
homo-dimer
Ligands
2 x
PLP
:
PYRIDOXAL-5'-PHOSPHATE
(Covalent)
PLP.1:
14 residues within 4Å:
Chain A:
G.102
,
G.103
,
T.104
,
W.130
,
N.183
,
D.211
,
A.213
,
Y.214
,
S.243
,
S.245
,
K.246
,
R.254
Chain B:
Y.65
Ligands:
MAE.2
19
PLIP interactions
:
17 interactions with chain A
,
2 interactions with chain B
Hydrophobic interactions:
A:N.183
,
A:A.213
,
A:K.246
Hydrogen bonds:
A:G.103
,
A:T.104
,
A:T.104
,
A:N.183
,
A:Y.214
,
A:S.243
,
A:S.245
,
A:K.246
,
B:Y.65
Water bridges:
A:F.212
,
A:R.254
,
B:S.284
Salt bridges:
A:K.246
,
A:R.254
pi-Stacking:
A:W.130
,
A:W.130
PLP.3:
14 residues within 4Å:
Chain A:
Y.65
Chain B:
G.102
,
G.103
,
T.104
,
W.130
,
N.183
,
D.211
,
A.213
,
Y.214
,
S.243
,
S.245
,
K.246
,
R.254
Ligands:
MAE.4
17
PLIP interactions
:
14 interactions with chain B
,
3 interactions with chain A
Hydrophobic interactions:
B:N.183
,
B:A.213
,
B:K.246
Hydrogen bonds:
B:G.103
,
B:T.104
,
B:N.183
,
B:S.243
,
B:S.245
,
A:Y.65
,
A:Y.65
Water bridges:
B:T.104
,
B:F.212
,
A:S.284
Salt bridges:
B:K.246
,
B:R.254
pi-Stacking:
B:W.130
,
B:W.130
2 x
MAE
:
MALEIC ACID
(Non-covalent)
MAE.2:
8 residues within 4Å:
Chain A:
I.13
,
G.34
,
W.130
,
N.183
,
R.374
Chain B:
Y.65
,
R.280
Ligands:
PLP.1
7
PLIP interactions
:
4 interactions with chain B
,
3 interactions with chain A
Hydrogen bonds:
B:S.284
,
A:N.183
Water bridges:
B:Y.65
,
B:N.285
,
A:G.34
Salt bridges:
B:R.280
,
A:R.374
MAE.4:
8 residues within 4Å:
Chain A:
Y.65
,
R.280
Chain B:
I.13
,
G.34
,
W.130
,
N.183
,
R.374
Ligands:
PLP.3
7
PLIP interactions
:
4 interactions with chain B
,
3 interactions with chain A
Hydrogen bonds:
B:N.183
,
A:S.284
Water bridges:
B:G.34
,
B:T.104
,
A:Y.65
Salt bridges:
B:R.374
,
A:R.280
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Hayashi, H. et al., Conformational change in aspartate aminotransferase on substrate binding induces strain in the catalytic group and enhances catalysis. J.BIOL.CHEM. (2003)
Release Date
2002-07-03
Peptides
Aspartate Aminotransferase:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
A
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Aspartate Aminotransferase
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1ix6.1
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