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SMTL ID : 1g7x.1
ASPARTATE AMINOTRANSFERASE ACTIVE SITE MUTANT N194A/R292L/R386L
Coordinates
PDB Format
Compare
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
,
H.178
,
A.183
,
D.211
,
A.213
,
Y.214
,
S.243
,
S.245
,
K.246
,
R.254
Chain B:
Y.65
19
PLIP interactions
:
2 interactions with chain B
,
17 interactions with chain A
Water bridges:
B:S.284
,
B:N.285
,
A:R.254
,
A:R.254
Hydrophobic interactions:
A:W.130
,
A:A.183
,
A:A.213
,
A:K.246
Hydrogen bonds:
A:G.103
,
A:T.104
,
A:T.104
,
A:Y.214
,
A:S.243
,
A:S.245
,
A:S.245
Salt bridges:
A:K.246
,
A:R.254
pi-Stacking:
A:W.130
,
A:W.130
PLP.2:
14 residues within 4Å:
Chain A:
Y.65
Chain B:
G.102
,
G.103
,
T.104
,
W.130
,
H.178
,
A.183
,
D.211
,
A.213
,
Y.214
,
S.243
,
S.245
,
K.246
,
R.254
16
PLIP interactions
:
3 interactions with chain A
,
13 interactions with chain B
Hydrogen bonds:
A:Y.65
,
B:G.103
,
B:T.104
,
B:S.243
,
B:S.245
,
B:S.245
Water bridges:
A:S.284
,
A:N.285
Hydrophobic interactions:
B:W.130
,
B:A.183
,
B:A.213
,
B:K.246
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
Mizuguchi, H. et al., Strain is more important than electrostatic interaction in controlling the pKa of the catalytic group in aspartate aminotransferase. Biochemistry (2001)
Release Date
2000-11-29
Peptides
ASPARTATE AMINOTRANSFERASE:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
A
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