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SMTL ID : 1maq.1
CRYSTAL STRUCTURES OF TRUE ENZYMATIC REACTION INTERMEDIATES: ASPARTATE AND GLUTAMATE KETIMINES IN ASPARTATE AMINOTRANSFERASE
Coordinates
PDB Format
Compare
Method
X-RAY DIFFRACTION 2.30 Å
Oligo State
homo-dimer
Ligands
2 x
PGU
:
N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-glutamic acid
(Non-covalent)
PGU.1:
21 residues within 4Å:
Chain A:
I.15
,
L.16
,
V.35
,
G.36
,
S.104
,
G.105
,
T.106
,
W.133
,
N.186
,
D.214
,
A.216
,
Y.217
,
S.247
,
A.249
,
K.250
,
R.258
,
F.352
,
R.378
Chain B:
Y.67
,
R.284
,
S.288
18
PLIP interactions
:
12 interactions with chain A
,
6 interactions with chain B
Hydrophobic interactions:
A:L.16
,
B:Y.67
Hydrogen bonds:
A:G.36
,
A:S.104
,
A:G.105
,
A:T.106
,
A:W.133
,
A:N.186
,
A:S.247
,
B:Y.67
,
B:S.288
Salt bridges:
A:R.258
,
A:R.378
,
B:R.284
pi-Stacking:
A:W.133
,
A:W.133
Water bridges:
B:R.284
,
B:S.288
PGU.2:
21 residues within 4Å:
Chain A:
Y.67
,
R.284
,
S.288
Chain B:
I.15
,
L.16
,
V.35
,
G.36
,
S.104
,
G.105
,
T.106
,
W.133
,
N.186
,
D.214
,
A.216
,
Y.217
,
S.247
,
A.249
,
K.250
,
R.258
,
F.352
,
R.378
19
PLIP interactions
:
14 interactions with chain B
,
5 interactions with chain A
Hydrophobic interactions:
B:L.16
,
A:Y.67
Hydrogen bonds:
B:G.36
,
B:S.104
,
B:G.105
,
B:T.106
,
B:T.106
,
B:W.133
,
B:N.186
,
B:Y.217
,
B:S.247
,
A:S.288
Salt bridges:
B:R.258
,
B:R.378
,
A:R.284
pi-Stacking:
B:W.133
,
B:W.133
Water bridges:
A:R.284
,
A:N.289
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Malashkevich, V.N. et al., Crystal structures of true enzymatic reaction intermediates: aspartate and glutamate ketimines in aspartate aminotransferase. Biochemistry (1993)
Release Date
1994-01-31
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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