Iodine in PDB 4hko: Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
Enzymatic activity of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
All present enzymatic activity of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form:
3.2.1.8;
Protein crystallography data
The structure of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form, PDB code: 4hko
was solved by
P.Langan,
Q.Wan,
L.Coates,
A.Kovalevsky,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
19.83 /
1.50
|
Space group
|
P 21 21 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
48.216,
59.209,
69.718,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
17.1 /
18.6
|
Iodine Binding Sites:
The binding sites of Iodine atom in the Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
(pdb code 4hko). This binding sites where shown within
5.0 Angstroms radius around Iodine atom.
In total 6 binding sites of Iodine where determined in the
Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form, PDB code: 4hko:
Jump to Iodine binding site number:
1;
2;
3;
4;
5;
6;
Iodine binding site 1 out
of 6 in 4hko
Go back to
Iodine Binding Sites List in 4hko
Iodine binding site 1 out
of 6 in the Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
 Mono view
 Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 1 of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I500
b:5.7
occ:0.90
|
O
|
A:HOH613
|
3.4
|
8.5
|
1.0
|
O
|
A:HOH603
|
3.5
|
6.7
|
1.0
|
N
|
A:SER146
|
3.6
|
5.8
|
1.0
|
OG
|
A:SER146
|
3.9
|
8.2
|
1.0
|
O
|
A:HOH620
|
4.0
|
12.0
|
1.0
|
CA
|
A:ARG145
|
4.1
|
7.6
|
1.0
|
CB
|
A:ARG145
|
4.1
|
5.1
|
1.0
|
N
|
A:SER147
|
4.2
|
7.1
|
1.0
|
C
|
A:ARG145
|
4.3
|
8.8
|
1.0
|
CA
|
A:SER146
|
4.5
|
7.2
|
1.0
|
O
|
A:HOH726
|
4.6
|
15.8
|
1.0
|
C
|
A:SER146
|
4.7
|
6.5
|
1.0
|
CB
|
A:SER146
|
4.8
|
8.1
|
1.0
|
|
Iodine binding site 2 out
of 6 in 4hko
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Iodine Binding Sites List in 4hko
Iodine binding site 2 out
of 6 in the Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
 Mono view
 Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 2 of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I501
b:16.3
occ:0.70
|
O
|
A:HOH765
|
3.8
|
28.0
|
1.0
|
NE
|
A:ARG119
|
3.8
|
18.2
|
1.0
|
O
|
A:ARG119
|
3.9
|
8.3
|
1.0
|
C
|
A:THR120
|
3.9
|
5.5
|
1.0
|
CA
|
A:THR120
|
4.0
|
6.2
|
1.0
|
O
|
A:HOH624
|
4.1
|
13.0
|
1.0
|
N
|
A:GLN121
|
4.1
|
6.8
|
1.0
|
CE1
|
A:TYR135
|
4.1
|
9.6
|
1.0
|
CG
|
A:ARG119
|
4.2
|
8.9
|
1.0
|
C
|
A:ARG119
|
4.2
|
8.7
|
1.0
|
CB
|
A:GLN121
|
4.2
|
9.4
|
1.0
|
O
|
A:THR120
|
4.3
|
7.4
|
1.0
|
CD
|
A:ARG119
|
4.3
|
13.2
|
1.0
|
CD1
|
A:TYR135
|
4.3
|
8.3
|
1.0
|
N
|
A:THR120
|
4.3
|
7.0
|
1.0
|
O
|
A:HOH618
|
4.5
|
13.2
|
1.0
|
O
|
A:HOH774
|
4.6
|
29.5
|
1.0
|
CA
|
A:GLN121
|
4.8
|
6.1
|
1.0
|
CB
|
A:ARG119
|
4.8
|
8.4
|
1.0
|
CZ
|
A:ARG119
|
4.8
|
25.0
|
1.0
|
O
|
A:HOH744
|
4.9
|
21.5
|
1.0
|
NH2
|
A:ARG119
|
4.9
|
21.6
|
1.0
|
|
Iodine binding site 3 out
of 6 in 4hko
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Iodine Binding Sites List in 4hko
Iodine binding site 3 out
of 6 in the Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
 Mono view
 Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 3 of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I502
b:23.9
occ:0.61
|
HG2
|
A:MET169
|
3.1
|
11.1
|
1.0
|
N
|
A:MET169
|
3.6
|
5.8
|
1.0
|
CA
|
A:THR168
|
3.9
|
7.0
|
1.0
|
CG
|
A:MET169
|
4.0
|
9.3
|
1.0
|
CE
|
A:LYS56
|
4.1
|
12.6
|
1.0
|
O
|
A:HOH649
|
4.1
|
15.2
|
1.0
|
HB
|
A:THR168
|
4.2
|
12.5
|
1.0
|
O
|
A:HOH745
|
4.2
|
27.7
|
1.0
|
C
|
A:THR168
|
4.2
|
6.4
|
1.0
|
HG22
|
A:THR168
|
4.3
|
8.6
|
1.0
|
O
|
A:GLY167
|
4.3
|
11.1
|
1.0
|
HG3
|
A:MET169
|
4.4
|
11.1
|
1.0
|
CB
|
A:MET169
|
4.4
|
8.3
|
1.0
|
CB
|
A:THR168
|
4.5
|
10.4
|
1.0
|
NZ
|
A:LYS56
|
4.5
|
15.6
|
1.0
|
CD
|
A:LYS56
|
4.6
|
11.2
|
1.0
|
CA
|
A:MET169
|
4.6
|
5.5
|
1.0
|
CG
|
A:LYS56
|
4.8
|
8.4
|
1.0
|
N
|
A:THR168
|
4.9
|
7.2
|
1.0
|
CG2
|
A:THR168
|
4.9
|
7.2
|
1.0
|
|
Iodine binding site 4 out
of 6 in 4hko
Go back to
Iodine Binding Sites List in 4hko
Iodine binding site 4 out
of 6 in the Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
 Mono view
 Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 4 of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I503
b:24.8
occ:0.39
|
O
|
A:HOH805
|
3.3
|
30.4
|
1.0
|
O
|
A:PRO68
|
3.3
|
12.2
|
1.0
|
N
|
A:GLY70
|
3.6
|
6.2
|
1.0
|
CA
|
A:GLY94
|
3.9
|
8.4
|
1.0
|
CG2
|
A:THR95
|
3.9
|
8.1
|
1.0
|
C
|
A:PRO68
|
4.0
|
9.5
|
1.0
|
C
|
A:GLY94
|
4.0
|
8.2
|
1.0
|
CA
|
A:ASN69
|
4.1
|
10.2
|
1.0
|
N
|
A:THR95
|
4.1
|
6.4
|
1.0
|
O
|
A:GLY70
|
4.1
|
6.9
|
1.0
|
O
|
A:HOH718
|
4.2
|
25.7
|
1.0
|
N
|
A:ASN69
|
4.4
|
11.6
|
1.0
|
C
|
A:ASN69
|
4.4
|
9.2
|
1.0
|
CG
|
A:PRO68
|
4.5
|
11.5
|
1.0
|
CA
|
A:GLY70
|
4.6
|
6.8
|
1.0
|
O
|
A:GLY94
|
4.7
|
9.7
|
1.0
|
CB
|
A:PRO68
|
4.7
|
10.5
|
1.0
|
CA
|
A:THR95
|
4.7
|
5.8
|
1.0
|
C
|
A:GLY70
|
4.8
|
6.9
|
1.0
|
CB
|
A:THR95
|
4.9
|
7.1
|
1.0
|
CA
|
A:PRO68
|
5.0
|
10.7
|
1.0
|
|
Iodine binding site 5 out
of 6 in 4hko
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Iodine Binding Sites List in 4hko
Iodine binding site 5 out
of 6 in the Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
 Mono view
 Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 5 of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I504
b:27.3
occ:0.43
|
O
|
A:HOH784
|
3.1
|
37.5
|
1.0
|
NE2
|
A:GLN125
|
3.4
|
18.9
|
1.0
|
N
|
A:VAL123
|
3.5
|
7.1
|
1.0
|
O
|
A:HOH761
|
3.9
|
24.6
|
1.0
|
NH1
|
A:ARG122
|
3.9
|
13.3
|
1.0
|
CG
|
A:GLN125
|
4.0
|
10.4
|
1.0
|
CA
|
A:ARG122
|
4.0
|
6.2
|
1.0
|
CD
|
A:GLN125
|
4.2
|
12.9
|
1.0
|
O
|
A:VAL123
|
4.2
|
10.3
|
1.0
|
C
|
A:ARG122
|
4.3
|
8.0
|
1.0
|
O
|
A:GLN121
|
4.3
|
9.7
|
1.0
|
CA
|
A:VAL123
|
4.4
|
8.6
|
1.0
|
CB
|
A:VAL123
|
4.4
|
10.6
|
1.0
|
CD
|
A:ARG122
|
4.5
|
8.2
|
1.0
|
CZ
|
A:ARG122
|
4.7
|
10.6
|
1.0
|
C
|
A:VAL123
|
4.8
|
8.7
|
1.0
|
CG2
|
A:VAL123
|
4.8
|
11.0
|
1.0
|
CB
|
A:ARG122
|
4.8
|
6.8
|
1.0
|
NE
|
A:ARG122
|
4.9
|
9.3
|
1.0
|
|
Iodine binding site 6 out
of 6 in 4hko
Go back to
Iodine Binding Sites List in 4hko
Iodine binding site 6 out
of 6 in the Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form
 Mono view
 Stereo pair view
|
A full contact list of Iodine with other atoms in the I binding
site number 6 of Crystal Structures of Mutant Endo-Beta-1,4-Xylanase II (E177Q) in the Apo Form within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:I505
b:37.9
occ:0.40
|
O
|
A:HOH648
|
3.2
|
15.3
|
1.0
|
C
|
A:ASP111
|
3.8
|
5.7
|
1.0
|
CA
|
A:ASP111
|
3.8
|
6.2
|
1.0
|
N
|
A:GLY112
|
3.9
|
7.3
|
1.0
|
O
|
A:ASP111
|
4.2
|
6.2
|
1.0
|
CA
|
A:GLY112
|
4.4
|
7.7
|
1.0
|
CB
|
A:ASP111
|
4.8
|
7.2
|
1.0
|
N
|
A:ASP111
|
4.8
|
7.0
|
1.0
|
|
Reference:
Q.Wan,
Q.Zhang,
S.Hamilton-Brehm,
K.Weiss,
M.Mustyakimov,
L.Coates,
P.Langan,
D.Graham,
A.Kovalevsky.
X-Ray Crystallographic Studies of Family 11 Xylanase Michaelis and Product Complexes: Implications For the Catalytic Mechanism. Acta Crystallogr.,Sect.D V. 70 11 2014.
ISSN: ISSN 0907-4449
PubMed: 24419374
DOI: 10.1107/S1399004713023626
Page generated: Sun Aug 11 18:04:21 2024
|