Zinc in PDB 8xzz: Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
Enzymatic activity of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
All present enzymatic activity of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose:
3.2.1.8;
Protein crystallography data
The structure of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose, PDB code: 8xzz
was solved by
W.L.Xiang,
J.-W.Huang,
Y.Yang,
C.-C.Chen,
R.-T.Guo,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
24.27 /
1.72
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
52.074,
137.54,
52.848,
90,
97.83,
90
|
R / Rfree (%)
|
16.1 /
19.2
|
Zinc Binding Sites:
The binding sites of Zinc atom in the Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
(pdb code 8xzz). This binding sites where shown within
5.0 Angstroms radius around Zinc atom.
In total 6 binding sites of Zinc where determined in the
Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose, PDB code: 8xzz:
Jump to Zinc binding site number:
1;
2;
3;
4;
5;
6;
Zinc binding site 1 out
of 6 in 8xzz
Go back to
Zinc Binding Sites List in 8xzz
Zinc binding site 1 out
of 6 in the Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 1 of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn300
b:35.7
occ:1.00
|
O
|
A:HOH402
|
1.7
|
21.4
|
1.0
|
O
|
A:HOH537
|
2.4
|
32.9
|
1.0
|
OD1
|
A:ASP142
|
2.5
|
29.4
|
1.0
|
OD2
|
A:ASP142
|
2.6
|
31.0
|
1.0
|
CG
|
A:ASP142
|
2.9
|
25.9
|
1.0
|
O
|
A:HOH424
|
3.5
|
31.5
|
1.0
|
O
|
A:HIS143
|
4.1
|
15.1
|
1.0
|
CB
|
A:ASP142
|
4.4
|
18.1
|
1.0
|
|
Zinc binding site 2 out
of 6 in 8xzz
Go back to
Zinc Binding Sites List in 8xzz
Zinc binding site 2 out
of 6 in the Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 2 of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn301
b:21.6
occ:1.00
|
ND1
|
A:HIS143
|
2.0
|
14.9
|
1.0
|
O
|
A:HOH526
|
2.0
|
20.0
|
1.0
|
O
|
A:HOH552
|
2.2
|
14.4
|
1.0
|
O
|
A:HOH467
|
2.2
|
21.2
|
1.0
|
O
|
A:PHE92
|
2.4
|
13.3
|
1.0
|
CE1
|
A:HIS143
|
2.8
|
14.9
|
1.0
|
CG
|
A:HIS143
|
3.1
|
17.0
|
1.0
|
CB
|
A:HIS143
|
3.6
|
15.1
|
1.0
|
C
|
A:PHE92
|
3.7
|
14.1
|
1.0
|
NE2
|
A:HIS143
|
4.0
|
19.1
|
1.0
|
CD2
|
A:HIS143
|
4.1
|
16.3
|
1.0
|
O
|
C:HOH463
|
4.1
|
37.2
|
1.0
|
N
|
A:PHE92
|
4.2
|
10.1
|
1.0
|
O
|
A:SER93
|
4.4
|
24.0
|
1.0
|
O
|
C:HOH468
|
4.5
|
34.5
|
1.0
|
CA
|
A:SER93
|
4.5
|
11.9
|
1.0
|
N
|
A:SER93
|
4.6
|
11.2
|
1.0
|
CA
|
A:PHE92
|
4.6
|
12.7
|
1.0
|
O
|
A:HOH482
|
4.6
|
27.8
|
1.0
|
O
|
A:HOH590
|
4.8
|
36.0
|
1.0
|
CD1
|
A:PHE92
|
4.9
|
15.3
|
1.0
|
O
|
A:HOH481
|
4.9
|
18.6
|
1.0
|
C
|
A:SER93
|
5.0
|
16.8
|
1.0
|
|
Zinc binding site 3 out
of 6 in 8xzz
Go back to
Zinc Binding Sites List in 8xzz
Zinc binding site 3 out
of 6 in the Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 3 of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn201
b:39.7
occ:1.00
|
OD2
|
B:ASP142
|
2.3
|
35.0
|
1.0
|
OD1
|
B:ASP142
|
2.7
|
42.0
|
1.0
|
CG
|
B:ASP142
|
2.8
|
30.4
|
1.0
|
O
|
B:HIS143
|
4.1
|
15.5
|
1.0
|
CB
|
B:ASP142
|
4.3
|
23.2
|
1.0
|
O
|
B:HOH313
|
4.4
|
28.4
|
1.0
|
C
|
B:ASP142
|
4.9
|
19.1
|
1.0
|
|
Zinc binding site 4 out
of 6 in 8xzz
Go back to
Zinc Binding Sites List in 8xzz
Zinc binding site 4 out
of 6 in the Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 4 of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn202
b:36.9
occ:1.00
|
ND1
|
B:HIS143
|
2.1
|
23.0
|
1.0
|
O
|
B:HOH451
|
2.1
|
27.5
|
1.0
|
O
|
B:HOH449
|
2.2
|
21.0
|
1.0
|
O
|
B:HOH392
|
2.4
|
27.1
|
1.0
|
O
|
B:PHE92
|
2.6
|
12.8
|
1.0
|
O
|
B:HOH478
|
2.7
|
36.0
|
1.0
|
CE1
|
B:HIS143
|
3.0
|
20.8
|
1.0
|
CG
|
B:HIS143
|
3.2
|
17.1
|
1.0
|
CB
|
B:HIS143
|
3.6
|
17.7
|
1.0
|
C
|
B:PHE92
|
3.9
|
12.1
|
1.0
|
O
|
B:HOH491
|
4.1
|
34.8
|
1.0
|
NE2
|
B:HIS143
|
4.1
|
21.9
|
1.0
|
CD2
|
B:HIS143
|
4.2
|
19.6
|
1.0
|
N
|
B:PHE92
|
4.3
|
10.1
|
1.0
|
O
|
B:SER93
|
4.5
|
27.8
|
1.0
|
O
|
B:HOH447
|
4.5
|
28.9
|
1.0
|
CA
|
B:SER93
|
4.7
|
12.9
|
1.0
|
CA
|
B:PHE92
|
4.7
|
10.9
|
1.0
|
N
|
B:SER93
|
4.8
|
10.0
|
1.0
|
O
|
B:HOH406
|
4.9
|
21.4
|
1.0
|
CD1
|
B:PHE92
|
5.0
|
12.9
|
1.0
|
|
Zinc binding site 5 out
of 6 in 8xzz
Go back to
Zinc Binding Sites List in 8xzz
Zinc binding site 5 out
of 6 in the Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 5 of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Zn201
b:44.9
occ:1.00
|
O
|
D:HOH301
|
1.7
|
31.6
|
1.0
|
O
|
D:HOH441
|
2.3
|
35.4
|
1.0
|
OD1
|
D:ASP142
|
2.5
|
35.9
|
1.0
|
OD2
|
D:ASP142
|
2.7
|
39.0
|
1.0
|
CG
|
D:ASP142
|
3.0
|
34.4
|
1.0
|
O
|
D:HOH392
|
3.6
|
33.4
|
1.0
|
O
|
D:HOH319
|
4.0
|
30.3
|
1.0
|
O
|
D:HIS143
|
4.1
|
18.0
|
1.0
|
CB
|
D:ASP142
|
4.5
|
28.5
|
1.0
|
|
Zinc binding site 6 out
of 6 in 8xzz
Go back to
Zinc Binding Sites List in 8xzz
Zinc binding site 6 out
of 6 in the Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 6 of Structure of A Xylanase Xyl-1 M4 E175A in Complex with Xylobiose within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Zn202
b:23.6
occ:1.00
|
ND1
|
D:HIS143
|
2.0
|
16.8
|
1.0
|
O
|
D:HOH374
|
2.1
|
25.2
|
1.0
|
O
|
D:HOH430
|
2.1
|
19.3
|
1.0
|
O
|
D:HOH315
|
2.2
|
20.2
|
1.0
|
O
|
D:PHE92
|
2.4
|
16.1
|
1.0
|
CE1
|
D:HIS143
|
2.8
|
17.2
|
1.0
|
CG
|
D:HIS143
|
3.1
|
17.6
|
1.0
|
C
|
D:PHE92
|
3.6
|
15.3
|
1.0
|
CB
|
D:HIS143
|
3.6
|
16.2
|
1.0
|
O
|
D:HOH467
|
3.8
|
37.0
|
1.0
|
O
|
B:HOH342
|
4.0
|
30.5
|
1.0
|
NE2
|
D:HIS143
|
4.0
|
21.8
|
1.0
|
N
|
D:PHE92
|
4.1
|
13.0
|
1.0
|
CD2
|
D:HIS143
|
4.2
|
19.5
|
1.0
|
O
|
D:SER93
|
4.3
|
19.4
|
1.0
|
CA
|
D:SER93
|
4.4
|
13.7
|
1.0
|
N
|
D:SER93
|
4.5
|
13.5
|
1.0
|
CA
|
D:PHE92
|
4.5
|
14.1
|
1.0
|
O
|
D:HOH417
|
4.6
|
30.1
|
1.0
|
CE
|
B:MET0
|
4.7
|
42.2
|
1.0
|
O
|
D:HOH401
|
4.8
|
26.4
|
1.0
|
CD1
|
D:PHE92
|
4.8
|
18.2
|
1.0
|
CB
|
D:SER91
|
4.9
|
15.0
|
1.0
|
C
|
D:SER93
|
4.9
|
16.4
|
1.0
|
|
Reference:
Y.Wu,
Y.Yang,
G.Lu,
W.L.Xiang,
T.Y.Sun,
K.W.Chen,
X.Lv,
Y.F.Gui,
R.Q.Zeng,
Y.K.Du,
C.H.Fu,
J.W.Huang,
C.C.Chen,
R.T.Guo,
L.J.Yu.
Unleashing the Power of Evolution in Xylanase Engineering: Investigating the Role of Distal Mutation Regulation. J.Agric.Food Chem. V. 72 18201 2024.
ISSN: ESSN 1520-5118
PubMed: 39082219
DOI: 10.1021/ACS.JAFC.4C03245
Page generated: Tue Dec 10 21:54:45 2024
|