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SMTL ID : 1x28.1
Crystal Structure of e.coli AspAT complexed with N-phosphopyridoxyl-L-glutamic acid
Coordinates
PDB Format
Compare
Method
X-RAY DIFFRACTION 2.40 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:
19 residues within 4Å:
Chain A:
I.13
,
I.33
,
G.34
,
G.102
,
G.103
,
T.104
,
W.130
,
N.183
,
D.211
,
A.213
,
Y.214
,
S.243
,
S.245
,
K.246
,
R.254
,
F.348
,
R.374
Chain B:
Y.65
,
R.280
20
PLIP interactions
:
15 interactions with chain A
,
5 interactions with chain B
Hydrophobic interactions:
A:I.33
,
B:Y.65
Hydrogen bonds:
A:G.34
,
A:G.103
,
A:T.104
,
A:T.104
,
A:W.130
,
A:N.183
,
A:Y.214
,
A:S.243
,
A:S.245
,
B:Y.65
,
B:Y.65
,
B:S.284
Salt bridges:
A:K.246
,
A:R.254
,
A:R.374
,
B:R.280
pi-Stacking:
A:W.130
,
A:W.130
PGU.2:
18 residues within 4Å:
Chain A:
Y.65
,
R.280
Chain B:
I.13
,
I.33
,
G.34
,
G.102
,
G.103
,
T.104
,
W.130
,
N.183
,
D.211
,
Y.214
,
S.243
,
S.245
,
K.246
,
R.254
,
F.348
,
R.374
21
PLIP interactions
:
16 interactions with chain B
,
5 interactions with chain A
Hydrophobic interactions:
B:W.130
,
A:Y.65
Hydrogen bonds:
B:G.34
,
B:G.103
,
B:T.104
,
B:T.104
,
B:W.130
,
B:N.183
,
B:Y.214
,
B:S.243
,
B:S.245
,
B:K.246
,
A:Y.65
Salt bridges:
B:K.246
,
B:R.254
,
B:R.374
,
A:R.280
pi-Stacking:
B:W.130
,
B:W.130
Water bridges:
A:S.284
,
A:N.285
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Islam, M.M. et al., Binding of C5-dicarboxylic substrate to aspartate aminotransferase: implications for the conformational change at the transaldimination step. Biochemistry (2005)
Release Date
2005-06-14
Peptides
Aspartate aminotransferase:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
B
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Aspartate aminotransferase
Toggle Identical (AB)
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