Magnesium in PDB 1br2: Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
Enzymatic activity of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
All present enzymatic activity of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4:
3.6.1.32;
Protein crystallography data
The structure of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4, PDB code: 1br2
was solved by
R.Dominguez,
K.M.Trybus,
C.Cohen,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
10.00 /
2.90
|
Space group
|
P 1 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
134.010,
107.670,
188.310,
90.00,
90.66,
90.00
|
R / Rfree (%)
|
23.2 /
29.1
|
Other elements in 1br2:
The structure of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4 also contains other interesting chemical elements:
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
(pdb code 1br2). This binding sites where shown within
5.0 Angstroms radius around Magnesium atom.
In total 6 binding sites of Magnesium where determined in the
Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4, PDB code: 1br2:
Jump to Magnesium binding site number:
1;
2;
3;
4;
5;
6;
Magnesium binding site 1 out
of 6 in 1br2
Go back to
Magnesium Binding Sites List in 1br2
Magnesium binding site 1 out
of 6 in the Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 1 of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg997
b:25.0
occ:1.00
|
O
|
A:HOH995
|
1.8
|
25.0
|
1.0
|
OG1
|
A:THR184
|
2.0
|
29.9
|
1.0
|
O2B
|
A:ADP998
|
2.0
|
25.0
|
1.0
|
F4
|
A:ALF999
|
2.1
|
25.0
|
1.0
|
OG
|
A:SER246
|
2.4
|
19.5
|
1.0
|
F2
|
A:ALF999
|
3.0
|
25.0
|
1.0
|
CB
|
A:THR184
|
3.2
|
29.9
|
1.0
|
PB
|
A:ADP998
|
3.2
|
25.0
|
1.0
|
O3B
|
A:ADP998
|
3.3
|
25.0
|
1.0
|
CB
|
A:SER246
|
3.3
|
19.5
|
1.0
|
AL
|
A:ALF999
|
3.4
|
25.0
|
1.0
|
OD1
|
A:ASP465
|
3.4
|
65.4
|
1.0
|
OD2
|
A:ASP465
|
3.7
|
65.4
|
1.0
|
N
|
A:THR184
|
3.9
|
26.0
|
1.0
|
CG
|
A:ASP465
|
4.0
|
65.4
|
1.0
|
CA
|
A:THR184
|
4.1
|
26.0
|
1.0
|
N
|
A:SER246
|
4.1
|
10.2
|
1.0
|
O2A
|
A:ADP998
|
4.2
|
25.0
|
1.0
|
O3A
|
A:ADP998
|
4.2
|
25.0
|
1.0
|
CG2
|
A:THR184
|
4.2
|
29.9
|
1.0
|
O1B
|
A:ADP998
|
4.3
|
25.0
|
1.0
|
CA
|
A:SER246
|
4.3
|
10.2
|
1.0
|
PA
|
A:ADP998
|
4.6
|
25.0
|
1.0
|
F1
|
A:ALF999
|
4.6
|
25.0
|
1.0
|
O1A
|
A:ADP998
|
4.6
|
25.0
|
1.0
|
CB
|
A:LYS183
|
4.9
|
31.9
|
1.0
|
O
|
A:ASN244
|
4.9
|
31.4
|
1.0
|
C
|
A:LYS183
|
5.0
|
2.0
|
1.0
|
O
|
A:ILE466
|
5.0
|
13.6
|
1.0
|
|
Magnesium binding site 2 out
of 6 in 1br2
Go back to
Magnesium Binding Sites List in 1br2
Magnesium binding site 2 out
of 6 in the Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 2 of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg997
b:25.0
occ:1.00
|
O
|
B:HOH995
|
1.8
|
25.0
|
1.0
|
O2B
|
B:ADP998
|
2.0
|
25.0
|
1.0
|
F4
|
B:ALF999
|
2.1
|
25.0
|
1.0
|
OG1
|
B:THR184
|
2.2
|
19.6
|
1.0
|
OG
|
B:SER246
|
2.5
|
33.2
|
1.0
|
F2
|
B:ALF999
|
3.0
|
25.0
|
1.0
|
PB
|
B:ADP998
|
3.2
|
25.0
|
1.0
|
CB
|
B:SER246
|
3.3
|
33.2
|
1.0
|
O3B
|
B:ADP998
|
3.3
|
25.0
|
1.0
|
CB
|
B:THR184
|
3.4
|
19.6
|
1.0
|
OD1
|
B:ASP465
|
3.4
|
0.0
|
1.0
|
AL
|
B:ALF999
|
3.4
|
25.0
|
1.0
|
OD2
|
B:ASP465
|
3.8
|
0.0
|
1.0
|
CG
|
B:ASP465
|
4.0
|
0.0
|
1.0
|
N
|
B:SER246
|
4.0
|
9.9
|
1.0
|
N
|
B:THR184
|
4.0
|
14.6
|
1.0
|
O2A
|
B:ADP998
|
4.2
|
25.0
|
1.0
|
O3A
|
B:ADP998
|
4.2
|
25.0
|
1.0
|
CA
|
B:THR184
|
4.2
|
14.6
|
1.0
|
CA
|
B:SER246
|
4.3
|
9.9
|
1.0
|
O1B
|
B:ADP998
|
4.3
|
25.0
|
1.0
|
CG2
|
B:THR184
|
4.4
|
19.6
|
1.0
|
PA
|
B:ADP998
|
4.6
|
25.0
|
1.0
|
F1
|
B:ALF999
|
4.6
|
25.0
|
1.0
|
O1A
|
B:ADP998
|
4.6
|
25.0
|
1.0
|
CB
|
B:LYS183
|
4.8
|
4.9
|
1.0
|
O
|
B:ILE466
|
4.9
|
30.3
|
1.0
|
O
|
B:ASN244
|
5.0
|
39.5
|
1.0
|
|
Magnesium binding site 3 out
of 6 in 1br2
Go back to
Magnesium Binding Sites List in 1br2
Magnesium binding site 3 out
of 6 in the Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 3 of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Mg997
b:25.0
occ:1.00
|
O
|
C:HOH995
|
1.8
|
25.0
|
1.0
|
O2B
|
C:ADP998
|
2.0
|
25.0
|
1.0
|
OG1
|
C:THR184
|
2.1
|
4.8
|
1.0
|
F4
|
C:ALF999
|
2.1
|
25.0
|
1.0
|
OG
|
C:SER246
|
2.4
|
43.8
|
1.0
|
F2
|
C:ALF999
|
3.0
|
25.0
|
1.0
|
PB
|
C:ADP998
|
3.2
|
25.0
|
1.0
|
CB
|
C:THR184
|
3.2
|
4.8
|
1.0
|
O3B
|
C:ADP998
|
3.3
|
25.0
|
1.0
|
CB
|
C:SER246
|
3.3
|
43.8
|
1.0
|
AL
|
C:ALF999
|
3.4
|
25.0
|
1.0
|
OD1
|
C:ASP465
|
3.6
|
88.3
|
1.0
|
OD2
|
C:ASP465
|
3.8
|
88.3
|
1.0
|
N
|
C:SER246
|
4.0
|
37.5
|
1.0
|
N
|
C:THR184
|
4.0
|
2.0
|
1.0
|
CG
|
C:ASP465
|
4.1
|
88.3
|
1.0
|
CA
|
C:THR184
|
4.1
|
2.0
|
1.0
|
O2A
|
C:ADP998
|
4.2
|
25.0
|
1.0
|
O3A
|
C:ADP998
|
4.2
|
25.0
|
1.0
|
CG2
|
C:THR184
|
4.3
|
4.8
|
1.0
|
CA
|
C:SER246
|
4.3
|
37.5
|
1.0
|
O1B
|
C:ADP998
|
4.3
|
25.0
|
1.0
|
PA
|
C:ADP998
|
4.6
|
25.0
|
1.0
|
F1
|
C:ALF999
|
4.6
|
25.0
|
1.0
|
O1A
|
C:ADP998
|
4.6
|
25.0
|
1.0
|
O
|
C:ASN244
|
4.8
|
38.3
|
1.0
|
CB
|
C:LYS183
|
4.9
|
4.0
|
1.0
|
|
Magnesium binding site 4 out
of 6 in 1br2
Go back to
Magnesium Binding Sites List in 1br2
Magnesium binding site 4 out
of 6 in the Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 4 of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Mg997
b:25.0
occ:1.00
|
O
|
D:HOH995
|
1.8
|
25.0
|
1.0
|
O2B
|
D:ADP998
|
2.0
|
25.0
|
1.0
|
F4
|
D:ALF999
|
2.1
|
25.0
|
1.0
|
OG1
|
D:THR184
|
2.2
|
34.5
|
1.0
|
OG
|
D:SER246
|
2.4
|
19.1
|
1.0
|
F2
|
D:ALF999
|
3.0
|
25.0
|
1.0
|
PB
|
D:ADP998
|
3.2
|
25.0
|
1.0
|
CB
|
D:SER246
|
3.2
|
19.1
|
1.0
|
O3B
|
D:ADP998
|
3.3
|
25.0
|
1.0
|
CB
|
D:THR184
|
3.3
|
34.5
|
1.0
|
OD1
|
D:ASP465
|
3.4
|
91.4
|
1.0
|
AL
|
D:ALF999
|
3.4
|
25.0
|
1.0
|
OD2
|
D:ASP465
|
3.7
|
91.4
|
1.0
|
CG
|
D:ASP465
|
4.0
|
91.4
|
1.0
|
N
|
D:SER246
|
4.0
|
2.0
|
1.0
|
N
|
D:THR184
|
4.0
|
14.8
|
1.0
|
O2A
|
D:ADP998
|
4.2
|
25.0
|
1.0
|
O3A
|
D:ADP998
|
4.2
|
25.0
|
1.0
|
CA
|
D:THR184
|
4.2
|
14.8
|
1.0
|
CA
|
D:SER246
|
4.2
|
2.0
|
1.0
|
O1B
|
D:ADP998
|
4.3
|
25.0
|
1.0
|
CG2
|
D:THR184
|
4.4
|
34.5
|
1.0
|
PA
|
D:ADP998
|
4.6
|
25.0
|
1.0
|
F1
|
D:ALF999
|
4.6
|
25.0
|
1.0
|
O1A
|
D:ADP998
|
4.6
|
25.0
|
1.0
|
CB
|
D:LYS183
|
4.8
|
15.0
|
1.0
|
O
|
D:ILE466
|
4.9
|
17.6
|
1.0
|
O
|
D:ASN244
|
5.0
|
22.8
|
1.0
|
|
Magnesium binding site 5 out
of 6 in 1br2
Go back to
Magnesium Binding Sites List in 1br2
Magnesium binding site 5 out
of 6 in the Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 5 of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
E:Mg997
b:25.0
occ:1.00
|
O
|
E:HOH995
|
2.1
|
25.0
|
1.0
|
OG1
|
E:THR184
|
2.1
|
16.6
|
1.0
|
F4
|
E:ALF999
|
2.2
|
25.0
|
1.0
|
O2B
|
E:ADP998
|
2.2
|
25.0
|
1.0
|
OG
|
E:SER246
|
2.4
|
34.7
|
1.0
|
F2
|
E:ALF999
|
3.1
|
25.0
|
1.0
|
CB
|
E:SER246
|
3.2
|
34.7
|
1.0
|
CB
|
E:THR184
|
3.3
|
16.6
|
1.0
|
OD1
|
E:ASP465
|
3.3
|
94.5
|
1.0
|
PB
|
E:ADP998
|
3.5
|
25.0
|
1.0
|
AL
|
E:ALF999
|
3.5
|
25.0
|
1.0
|
OD2
|
E:ASP465
|
3.6
|
94.5
|
1.0
|
O3B
|
E:ADP998
|
3.6
|
25.0
|
1.0
|
CG
|
E:ASP465
|
3.9
|
94.5
|
1.0
|
N
|
E:SER246
|
4.0
|
7.2
|
1.0
|
N
|
E:THR184
|
4.0
|
3.5
|
1.0
|
CA
|
E:THR184
|
4.2
|
3.5
|
1.0
|
CA
|
E:SER246
|
4.2
|
7.2
|
1.0
|
O2A
|
E:ADP998
|
4.3
|
25.0
|
1.0
|
CG2
|
E:THR184
|
4.3
|
16.6
|
1.0
|
O1B
|
E:ADP998
|
4.4
|
25.0
|
1.0
|
O3A
|
E:ADP998
|
4.4
|
25.0
|
1.0
|
F1
|
E:ALF999
|
4.6
|
25.0
|
1.0
|
PA
|
E:ADP998
|
4.8
|
25.0
|
1.0
|
O1A
|
E:ADP998
|
4.8
|
25.0
|
1.0
|
O
|
E:ILE466
|
4.9
|
5.3
|
1.0
|
CB
|
E:LYS183
|
4.9
|
8.3
|
1.0
|
|
Magnesium binding site 6 out
of 6 in 1br2
Go back to
Magnesium Binding Sites List in 1br2
Magnesium binding site 6 out
of 6 in the Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 6 of Smooth Muscle Myosin Motor Domain Complexed with Mgadp.ALF4 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
F:Mg997
b:25.0
occ:1.00
|
OG1
|
F:THR184
|
2.1
|
7.8
|
1.0
|
O
|
F:HOH995
|
2.1
|
25.0
|
1.0
|
F4
|
F:ALF999
|
2.2
|
25.0
|
1.0
|
O2B
|
F:ADP998
|
2.2
|
25.0
|
1.0
|
OG
|
F:SER246
|
2.4
|
29.6
|
1.0
|
F2
|
F:ALF999
|
3.1
|
25.0
|
1.0
|
CB
|
F:SER246
|
3.2
|
29.6
|
1.0
|
CB
|
F:THR184
|
3.3
|
7.8
|
1.0
|
OD1
|
F:ASP465
|
3.3
|
60.3
|
1.0
|
PB
|
F:ADP998
|
3.4
|
25.0
|
1.0
|
O3B
|
F:ADP998
|
3.5
|
25.0
|
1.0
|
AL
|
F:ALF999
|
3.6
|
25.0
|
1.0
|
OD2
|
F:ASP465
|
3.6
|
60.3
|
1.0
|
CG
|
F:ASP465
|
3.9
|
60.3
|
1.0
|
N
|
F:THR184
|
4.0
|
7.9
|
1.0
|
N
|
F:SER246
|
4.0
|
6.1
|
1.0
|
CA
|
F:THR184
|
4.2
|
7.9
|
1.0
|
O2A
|
F:ADP998
|
4.2
|
25.0
|
1.0
|
CA
|
F:SER246
|
4.2
|
6.1
|
1.0
|
CG2
|
F:THR184
|
4.3
|
7.8
|
1.0
|
O1B
|
F:ADP998
|
4.4
|
25.0
|
1.0
|
O3A
|
F:ADP998
|
4.4
|
25.0
|
1.0
|
F1
|
F:ALF999
|
4.6
|
25.0
|
1.0
|
PA
|
F:ADP998
|
4.7
|
25.0
|
1.0
|
O1A
|
F:ADP998
|
4.7
|
25.0
|
1.0
|
O
|
F:ILE466
|
4.8
|
29.4
|
1.0
|
CB
|
F:LYS183
|
4.9
|
6.4
|
1.0
|
|
Reference:
R.Dominguez,
Y.Freyzon,
K.M.Trybus,
C.Cohen.
Crystal Structure of A Vertebrate Smooth Muscle Myosin Motor Domain and Its Complex with the Essential Light Chain: Visualization of the Pre-Power Stroke State. Cell(Cambridge,Mass.) V. 94 559 1998.
ISSN: ISSN 0092-8674
PubMed: 9741621
DOI: 10.1016/S0092-8674(00)81598-6
Page generated: Tue Aug 13 02:14:37 2024
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