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SMTL ID : 221p.1
THREE-DIMENSIONAL STRUCTURES OF H-RAS P21 MUTANTS: MOLECULAR BASIS FOR THEIR INABILITY TO FUNCTION AS SIGNAL SWITCH MOLECULES
Coordinates
PDB Format
Compare
Method
X-RAY DIFFRACTION 2.30 Å
Oligo State
homo-dimer
Ligands
2 x
MG
:
MAGNESIUM ION
(Non-covalent)
MG.1:
4 residues within 4Å:
Chain A:
S.17
,
T.35
,
D.57
Ligands:
GNP.2
3
PLIP interactions
:
2 interactions with chain A
,
1 Ligand-Water interactions
Metal complexes:
A:S.17
,
A:T.35
,
H
2
O.4
MG.3:
4 residues within 4Å:
Chain B:
S.17
,
T.35
,
D.57
Ligands:
GNP.4
3
PLIP interactions
:
2 interactions with chain B
,
1 Ligand-Water interactions
Metal complexes:
B:S.17
,
B:T.35
,
H
2
O.12
2 x
GNP
:
PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER
(Non-covalent)
GNP.2:
24 residues within 4Å:
Chain A:
A.11
,
G.12
,
G.13
,
V.14
,
G.15
,
K.16
,
S.17
,
A.18
,
F.28
,
V.29
,
D.30
,
E.31
,
P.34
,
T.35
,
T.58
,
G.60
,
N.116
,
K.117
,
D.119
,
L.120
,
S.145
,
A.146
,
K.147
Ligands:
MG.1
23
PLIP interactions
:
23 interactions with chain A
Hydrogen bonds:
A:G.13
,
A:V.14
,
A:G.15
,
A:K.16
,
A:K.16
,
A:S.17
,
A:A.18
,
A:V.29
,
A:D.30
,
A:T.35
,
A:G.60
,
A:N.116
,
A:K.117
,
A:K.117
,
A:A.146
,
A:K.147
Water bridges:
A:S.17
,
A:T.35
,
A:T.35
Salt bridges:
A:D.119
pi-Stacking:
A:F.28
,
A:F.28
pi-Cation interactions:
A:K.117
GNP.4:
24 residues within 4Å:
Chain B:
A.11
,
G.12
,
G.13
,
V.14
,
G.15
,
K.16
,
S.17
,
A.18
,
F.28
,
V.29
,
D.30
,
E.31
,
P.34
,
T.35
,
T.58
,
G.60
,
N.116
,
K.117
,
D.119
,
L.120
,
S.145
,
A.146
,
K.147
Ligands:
MG.3
22
PLIP interactions
:
22 interactions with chain B
Hydrogen bonds:
B:G.13
,
B:V.14
,
B:G.15
,
B:K.16
,
B:K.16
,
B:S.17
,
B:A.18
,
B:V.29
,
B:T.35
,
B:G.60
,
B:N.116
,
B:K.117
,
B:K.117
,
B:A.146
,
B:K.147
Water bridges:
B:S.17
,
B:T.35
,
B:T.35
Salt bridges:
B:D.119
pi-Stacking:
B:F.28
,
B:F.28
pi-Cation interactions:
B:K.117
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Krengel, U. et al., Three-dimensional structures of H-ras p21 mutants: molecular basis for their inability to function as signal switch molecules. Cell(Cambridge,Mass.) (1990)
Release Date
1994-01-31
Peptides
H-RAS P21 PROTEIN:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
A
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H-RAS P21 PROTEIN
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