Iodine in PDB 2y5e: Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Enzymatic activity of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
All present enzymatic activity of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin:
3.2.1.41;
Protein crystallography data
The structure of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin, PDB code: 2y5e
was solved by
M.B.Vester-Christensen,
M.A.Hachem,
B.Svensson,
A.Henriksen,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
33.47 /
2.49
|
Space group
|
C 1 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
174.840,
85.610,
61.120,
90.00,
96.83,
90.00
|
R / Rfree (%)
|
17.5 /
22.6
|
Other elements in 2y5e:
The structure of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin also contains other interesting chemical elements:
Iodine Binding Sites:
The binding sites of Iodine atom in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
(pdb code 2y5e). This binding sites where shown within
5.0 Angstroms radius around Iodine atom.
In total 9 binding sites of Iodine where determined in the
Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin, PDB code: 2y5e:
Jump to Iodine binding site number:
1;
2;
3;
4;
5;
6;
7;
8;
9;
Iodine binding site 1 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 1 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 1 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1890
b:65.0
occ:1.00
|
O
|
A:HOH2120
|
3.7
|
42.1
|
1.0
|
CA
|
A:GLY423
|
3.9
|
35.8
|
1.0
|
NE
|
A:ARG428
|
3.9
|
46.0
|
1.0
|
CG
|
A:PRO198
|
3.9
|
50.2
|
1.0
|
CZ
|
A:ARG428
|
4.0
|
48.7
|
1.0
|
CB
|
A:PRO198
|
4.1
|
49.6
|
1.0
|
N
|
A:GLY423
|
4.1
|
33.5
|
1.0
|
NH2
|
A:ARG428
|
4.3
|
52.4
|
1.0
|
CG2
|
A:THR199
|
4.3
|
53.0
|
1.0
|
CD
|
A:ARG428
|
4.4
|
44.8
|
1.0
|
O
|
A:GLY432
|
4.4
|
39.2
|
1.0
|
NH1
|
A:ARG428
|
4.5
|
46.1
|
1.0
|
CD
|
A:PRO198
|
4.5
|
49.4
|
1.0
|
CG1
|
A:ILE434
|
4.6
|
42.6
|
1.0
|
CD1
|
A:ILE434
|
4.7
|
42.2
|
1.0
|
C
|
A:PRO422
|
4.9
|
34.4
|
1.0
|
O
|
A:HOH2125
|
5.0
|
37.4
|
1.0
|
|
Iodine binding site 2 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 2 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 2 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1891
b:84.0
occ:1.00
|
NE2
|
A:GLN850
|
3.7
|
28.7
|
1.0
|
CD1
|
A:ILE761
|
3.7
|
42.9
|
1.0
|
CE1
|
A:HIS668
|
3.8
|
37.0
|
1.0
|
CG
|
A:GLN850
|
4.0
|
33.5
|
1.0
|
CG1
|
A:ILE761
|
4.1
|
41.3
|
1.0
|
O
|
A:SER757
|
4.2
|
34.0
|
1.0
|
NE2
|
A:HIS668
|
4.2
|
36.7
|
1.0
|
CB
|
A:ASP760
|
4.3
|
38.8
|
1.0
|
CD
|
A:GLN850
|
4.4
|
32.4
|
1.0
|
CB
|
A:SER757
|
4.6
|
38.2
|
1.0
|
OG
|
A:SER853
|
4.6
|
50.3
|
1.0
|
CA
|
A:SER757
|
4.7
|
38.1
|
1.0
|
OD2
|
A:ASP760
|
4.9
|
48.5
|
1.0
|
CG1
|
A:VAL858
|
4.9
|
36.7
|
1.0
|
C
|
A:SER757
|
4.9
|
36.1
|
1.0
|
ND1
|
A:HIS668
|
4.9
|
37.1
|
1.0
|
N
|
A:ILE761
|
5.0
|
29.1
|
1.0
|
|
Iodine binding site 3 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 3 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 3 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1892
b:79.9
occ:0.50
|
O
|
A:HOH2136
|
3.4
|
27.6
|
1.0
|
CG
|
A:ARG452
|
3.8
|
27.2
|
1.0
|
CD
|
A:ARG452
|
3.9
|
26.9
|
1.0
|
NE
|
A:ARG452
|
3.9
|
27.6
|
1.0
|
O
|
A:HOH2137
|
4.0
|
49.6
|
1.0
|
CB
|
A:THR127
|
4.1
|
29.5
|
1.0
|
CG2
|
A:THR127
|
4.1
|
32.8
|
1.0
|
CA
|
A:THR127
|
4.2
|
24.1
|
1.0
|
CZ
|
A:ARG452
|
4.4
|
30.2
|
1.0
|
O
|
A:THR127
|
4.4
|
31.8
|
1.0
|
CB
|
A:ARG452
|
4.7
|
21.4
|
1.0
|
NH1
|
A:ARG452
|
4.8
|
33.8
|
1.0
|
C
|
A:THR127
|
4.8
|
27.0
|
1.0
|
NH1
|
A:ARG485
|
4.9
|
23.3
|
1.0
|
OD1
|
A:ASP456
|
4.9
|
48.8
|
1.0
|
NH2
|
A:ARG452
|
4.9
|
33.6
|
1.0
|
NH2
|
A:ARG485
|
5.0
|
22.2
|
1.0
|
|
Iodine binding site 4 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 4 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 4 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1893
b:100.0
occ:0.50
|
NZ
|
A:LYS736
|
3.5
|
64.1
|
1.0
|
CA
|
A:SER337
|
3.8
|
34.9
|
1.0
|
CB
|
A:PRO334
|
3.9
|
44.6
|
1.0
|
CB
|
A:SER337
|
4.0
|
37.9
|
1.0
|
OE2
|
A:GLU740
|
4.1
|
71.2
|
1.0
|
CG
|
A:PRO334
|
4.1
|
41.9
|
1.0
|
N
|
A:SER337
|
4.1
|
34.2
|
1.0
|
O
|
A:GLY336
|
4.2
|
39.8
|
1.0
|
C
|
A:GLY336
|
4.3
|
37.0
|
1.0
|
OG
|
A:SER337
|
4.5
|
42.9
|
1.0
|
CE
|
A:LYS736
|
4.9
|
63.0
|
1.0
|
|
Iodine binding site 5 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 5 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 5 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1894
b:96.9
occ:0.50
|
NH2
|
A:ARG262
|
3.8
|
31.1
|
1.0
|
O
|
A:ARG276
|
3.9
|
31.3
|
1.0
|
NH1
|
A:ARG262
|
3.9
|
28.8
|
1.0
|
CZ
|
A:ARG262
|
4.4
|
30.7
|
1.0
|
CZ3
|
A:TRP322
|
4.5
|
33.1
|
1.0
|
O
|
A:SER273
|
4.5
|
52.8
|
1.0
|
CZ
|
A:PHE324
|
4.6
|
29.4
|
1.0
|
C
|
A:ARG276
|
4.8
|
26.8
|
1.0
|
CE1
|
A:PHE324
|
4.8
|
31.8
|
1.0
|
CE3
|
A:TRP322
|
4.9
|
32.4
|
1.0
|
CB
|
A:ARG276
|
5.0
|
34.8
|
1.0
|
|
Iodine binding site 6 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 6 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 6 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1895
b:48.7
occ:0.50
|
I
|
A:IOD1895
|
0.0
|
48.7
|
0.5
|
I
|
A:IOD1895
|
2.7
|
53.4
|
0.5
|
O
|
A:HOH2158
|
3.4
|
33.3
|
1.0
|
CD
|
A:LYS480
|
4.0
|
19.7
|
1.0
|
CG
|
A:LYS480
|
4.1
|
17.1
|
1.0
|
CB
|
A:LYS480
|
4.2
|
17.8
|
1.0
|
N
|
A:ARG481
|
4.2
|
29.0
|
1.0
|
CD1
|
A:ILE524
|
4.4
|
33.3
|
1.0
|
CB
|
A:ARG481
|
4.5
|
37.3
|
1.0
|
CB
|
A:ILE524
|
4.5
|
26.5
|
1.0
|
CE
|
A:LYS480
|
4.5
|
21.7
|
1.0
|
CA
|
A:ARG481
|
4.6
|
33.8
|
1.0
|
CG2
|
A:ILE524
|
4.6
|
23.2
|
1.0
|
C
|
A:LYS480
|
4.8
|
28.8
|
1.0
|
CG1
|
A:ILE524
|
4.9
|
29.9
|
1.0
|
|
Iodine binding site 7 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 7 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 7 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1895
b:53.4
occ:0.50
|
I
|
A:IOD1895
|
0.0
|
53.4
|
0.5
|
I
|
A:IOD1895
|
2.7
|
48.7
|
0.5
|
CG
|
A:MET484
|
3.8
|
29.8
|
1.0
|
CA
|
A:ARG481
|
3.9
|
33.8
|
1.0
|
O
|
A:HOH2144
|
4.2
|
36.8
|
1.0
|
CB
|
A:MET484
|
4.2
|
31.6
|
1.0
|
N
|
A:ARG481
|
4.2
|
29.0
|
1.0
|
CG
|
A:LYS480
|
4.3
|
17.1
|
1.0
|
CB
|
A:ARG481
|
4.3
|
37.3
|
1.0
|
CE
|
A:LYS480
|
4.4
|
21.7
|
1.0
|
C
|
A:LYS480
|
4.5
|
28.8
|
1.0
|
CD
|
A:LYS480
|
4.6
|
19.7
|
1.0
|
O
|
A:LYS480
|
4.6
|
32.9
|
1.0
|
CB
|
A:LYS480
|
4.9
|
17.8
|
1.0
|
|
Iodine binding site 8 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 8 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 8 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1896
b:0.1
occ:1.00
|
CE1
|
A:HIS847
|
3.7
|
46.2
|
1.0
|
CB
|
A:SER767
|
4.0
|
26.2
|
1.0
|
NE2
|
A:HIS847
|
4.3
|
46.4
|
1.0
|
CG
|
A:PRO848
|
4.4
|
37.0
|
1.0
|
CZ
|
A:PHE818
|
4.5
|
43.1
|
1.0
|
CB
|
A:PRO848
|
4.5
|
36.6
|
1.0
|
OG
|
A:SER767
|
4.5
|
29.3
|
1.0
|
ND1
|
A:HIS847
|
4.7
|
47.6
|
1.0
|
CG2
|
A:VAL849
|
4.8
|
37.6
|
1.0
|
CD
|
A:PRO848
|
4.9
|
38.6
|
1.0
|
|
Iodine binding site 9 out
of 9 in 2y5e
Go back to
Iodine Binding Sites List in 2y5e
Iodine binding site 9 out
of 9 in the Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin
Mono view
Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 9 of Barley Limit Dextrinase in Complex with Alpha-Cyclodextrin within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I1897
b:95.1
occ:0.75
|
O
|
A:HOH2163
|
3.3
|
31.4
|
1.0
|
NZ
|
A:LYS487
|
3.5
|
41.0
|
1.0
|
CE
|
A:LYS487
|
4.1
|
37.3
|
1.0
|
CA
|
A:GLY535
|
4.3
|
27.1
|
1.0
|
CD1
|
A:ILE632
|
4.3
|
29.4
|
1.0
|
O
|
A:GLY535
|
4.8
|
25.4
|
1.0
|
NE2
|
A:GLN491
|
4.9
|
58.3
|
1.0
|
C
|
A:GLY535
|
5.0
|
28.1
|
1.0
|
CE2
|
A:PHE251
|
5.0
|
35.3
|
1.0
|
|
Reference:
M.B.Vester-Christensen,
M.Abou Hachem,
B.Svensson,
A.Henriksen.
Crystal Structure of An Essential Enzyme in Seed Starch Degradation: Barley Limit Dextrinase in Complex with Cyclodextrins. J.Mol.Biol. V. 403 739 2010.
ISSN: ISSN 0022-2836
PubMed: 20863834
DOI: 10.1016/J.JMB.2010.09.031
Page generated: Sun Aug 11 14:33:47 2024
|