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SMTL ID : 1asf.1
THE STRUCTURAL BASIS FOR THE REDUCED ACTIVITY OF THE Y226F(Y225F) ACTIVE SITE MUTANT OF E. COLI ASPARTATE AMINOTRANSFERASE
Coordinates
PDB Format
Compare
Method
X-RAY DIFFRACTION 2.80 Å
Oligo State
homo-dimer
Ligands
2 x
SO4
:
SULFATE ION
(Non-functional Binders)
SO4.1:
8 residues within 4Å:
Chain A:
I.13
,
G.34
,
W.130
,
N.183
,
K.246
,
F.348
,
R.374
Ligands:
PLP.2
4
PLIP interactions
:
4 interactions with chain A
Hydrogen bonds:
A:W.130
,
A:N.183
Salt bridges:
A:K.246
,
A:R.374
SO4.3:
8 residues within 4Å:
Chain B:
I.13
,
G.34
,
W.130
,
N.183
,
K.246
,
F.348
,
R.374
Ligands:
PLP.4
4
PLIP interactions
:
4 interactions with chain B
Hydrogen bonds:
B:W.130
,
B:N.183
Salt bridges:
B:K.246
,
B:R.374
2 x
PLP
:
PYRIDOXAL-5'-PHOSPHATE
(Covalent)
PLP.2:
15 residues within 4Å:
Chain A:
G.102
,
G.103
,
T.104
,
W.130
,
H.178
,
N.183
,
D.211
,
A.213
,
F.214
,
S.243
,
S.245
,
K.246
,
R.254
Chain B:
Y.65
Ligands:
SO4.1
14
PLIP interactions
:
14 interactions with chain A
Hydrophobic interactions:
A:W.130
,
A:A.213
,
A:K.246
Hydrogen bonds:
A:G.103
,
A:T.104
,
A:T.104
,
A:T.104
,
A:N.183
,
A:S.243
,
A:S.245
Salt bridges:
A:K.246
,
A:R.254
pi-Stacking:
A:W.130
,
A:W.130
PLP.4:
15 residues within 4Å:
Chain A:
Y.65
Chain B:
G.102
,
G.103
,
T.104
,
W.130
,
H.178
,
N.183
,
D.211
,
A.213
,
F.214
,
S.243
,
S.245
,
K.246
,
R.254
Ligands:
SO4.3
14
PLIP interactions
:
13 interactions with chain B
,
1 interactions with chain A
Hydrophobic interactions:
B:W.130
,
B:A.213
,
B:K.246
Hydrogen bonds:
B:G.103
,
B:T.104
,
B:T.104
,
B:N.183
,
B:S.243
,
B:S.245
,
A:Y.65
Salt bridges:
B:K.246
,
B:R.254
pi-Stacking:
B:W.130
,
B:W.130
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Schumacher, C. et al., The Structural Basis for the Reduced Activity of the Y226F(Y225F) Active Site Mutant of E. Coli Aspartate Aminotransferase. To be Published
Release Date
1994-04-30
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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