Calcium in PDB 6k54: Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
Enzymatic activity of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
All present enzymatic activity of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide:
3.2.1.91;
Protein crystallography data
The structure of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide, PDB code: 6k54
was solved by
S.Baba,
M.Takeda,
J.Okuma,
Y.Hirose,
A.Nishimura,
M.Takata,
K.Oda,
D.Shibata,
Y.Kondo,
T.Kumasaka,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
35.94 /
1.91
|
Space group
|
C 1 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
170.582,
138.699,
110.636,
90.00,
101.99,
90.00
|
R / Rfree (%)
|
17.6 /
20.1
|
Calcium Binding Sites:
The binding sites of Calcium atom in the Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
(pdb code 6k54). This binding sites where shown within
5.0 Angstroms radius around Calcium atom.
In total 7 binding sites of Calcium where determined in the
Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide, PDB code: 6k54:
Jump to Calcium binding site number:
1;
2;
3;
4;
5;
6;
7;
Calcium binding site 1 out
of 7 in 6k54
Go back to
Calcium Binding Sites List in 6k54
Calcium binding site 1 out
of 7 in the Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 1 of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca501
b:18.2
occ:1.00
|
O
|
A:HOH842
|
2.3
|
19.3
|
1.0
|
O
|
A:HOH749
|
2.3
|
17.0
|
1.0
|
OD2
|
A:ASP260
|
2.4
|
19.4
|
1.0
|
O
|
A:HOH853
|
2.4
|
19.7
|
1.0
|
OD2
|
A:ASP263
|
2.4
|
23.4
|
1.0
|
O
|
A:HOH800
|
2.5
|
23.8
|
1.0
|
OD1
|
A:ASP263
|
2.6
|
18.9
|
1.0
|
CG
|
A:ASP263
|
2.8
|
23.2
|
1.0
|
CG
|
A:ASP260
|
3.2
|
19.8
|
1.0
|
OD1
|
A:ASP260
|
3.3
|
17.8
|
1.0
|
O
|
A:HOH668
|
4.2
|
19.8
|
1.0
|
CB
|
A:ASP263
|
4.2
|
18.4
|
1.0
|
O
|
A:HOH944
|
4.5
|
22.5
|
1.0
|
O
|
C:HOH1049
|
4.5
|
26.6
|
1.0
|
O
|
A:PRO236
|
4.6
|
17.9
|
1.0
|
O
|
A:HOH892
|
4.6
|
38.3
|
1.0
|
CB
|
A:ASP260
|
4.6
|
15.4
|
1.0
|
CG
|
A:GLU231
|
4.6
|
30.7
|
1.0
|
CA
|
A:PRO236
|
4.6
|
17.1
|
1.0
|
N
|
A:GLU232
|
4.7
|
16.8
|
1.0
|
O
|
A:GLU232
|
4.7
|
15.9
|
1.0
|
O
|
A:LEU235
|
4.8
|
18.5
|
1.0
|
N
|
A:ASP263
|
5.0
|
13.0
|
1.0
|
C2
|
A:PGE513
|
5.0
|
30.4
|
1.0
|
|
Calcium binding site 2 out
of 7 in 6k54
Go back to
Calcium Binding Sites List in 6k54
Calcium binding site 2 out
of 7 in the Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 2 of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca502
b:22.5
occ:1.00
|
O
|
A:ASP2
|
2.3
|
26.4
|
1.0
|
O
|
A:THR280
|
2.3
|
19.6
|
1.0
|
O
|
A:HOH639
|
2.5
|
20.9
|
1.0
|
O
|
A:HOH680
|
2.5
|
21.2
|
1.0
|
OD1
|
A:ASP2
|
2.5
|
26.6
|
1.0
|
O
|
A:HOH912
|
2.5
|
26.0
|
1.0
|
O
|
A:HOH676
|
2.5
|
35.0
|
1.0
|
O
|
A:HOH748
|
3.0
|
40.5
|
1.0
|
C
|
A:ASP2
|
3.3
|
24.5
|
1.0
|
C
|
A:THR280
|
3.5
|
24.0
|
1.0
|
CG
|
A:ASP2
|
3.7
|
41.4
|
1.0
|
CA
|
A:ASP2
|
3.8
|
26.9
|
1.0
|
CB
|
A:THR280
|
4.1
|
31.4
|
1.0
|
CA
|
A:THR280
|
4.2
|
24.3
|
1.0
|
CB
|
A:ASP2
|
4.3
|
30.3
|
1.0
|
OD2
|
A:ASP350
|
4.5
|
22.2
|
1.0
|
N
|
A:ILE281
|
4.5
|
20.6
|
1.0
|
N
|
A:ASN3
|
4.5
|
23.0
|
1.0
|
O
|
A:ASP218
|
4.5
|
18.8
|
1.0
|
N
|
A:GLY282
|
4.5
|
17.4
|
1.0
|
O
|
A:HOH693
|
4.6
|
27.8
|
1.0
|
C
|
A:ILE281
|
4.6
|
19.8
|
1.0
|
CA
|
A:ILE281
|
4.6
|
22.5
|
1.0
|
O
|
A:HOH1005
|
4.6
|
25.4
|
1.0
|
OD2
|
A:ASP2
|
4.6
|
41.1
|
1.0
|
O
|
A:HOH753
|
4.6
|
25.6
|
1.0
|
O
|
A:HOH958
|
4.6
|
36.4
|
1.0
|
OD1
|
A:ASP350
|
4.7
|
20.8
|
1.0
|
O
|
A:LEU1
|
4.8
|
21.9
|
1.0
|
CA
|
A:ASN3
|
4.9
|
20.2
|
1.0
|
OG1
|
A:THR280
|
5.0
|
24.0
|
1.0
|
|
Calcium binding site 3 out
of 7 in 6k54
Go back to
Calcium Binding Sites List in 6k54
Calcium binding site 3 out
of 7 in the Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 3 of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca501
b:21.2
occ:1.00
|
OD2
|
B:ASP263
|
2.3
|
24.7
|
1.0
|
OD2
|
B:ASP260
|
2.4
|
21.4
|
1.0
|
O
|
B:HOH771
|
2.4
|
21.3
|
1.0
|
O
|
B:HOH785
|
2.4
|
20.9
|
1.0
|
O
|
B:HOH847
|
2.4
|
28.6
|
1.0
|
O
|
B:HOH685
|
2.4
|
20.0
|
1.0
|
OD1
|
B:ASP263
|
2.6
|
22.6
|
1.0
|
CG
|
B:ASP263
|
2.8
|
22.6
|
1.0
|
CG
|
B:ASP260
|
3.2
|
21.6
|
1.0
|
OD1
|
B:ASP260
|
3.4
|
22.6
|
1.0
|
CB
|
B:ASP263
|
4.2
|
20.2
|
1.0
|
O
|
B:HOH711
|
4.3
|
20.0
|
1.0
|
O
|
B:PRO236
|
4.6
|
26.0
|
1.0
|
N
|
B:GLU232
|
4.6
|
19.1
|
1.0
|
CA
|
B:PRO236
|
4.6
|
20.6
|
1.0
|
CB
|
B:ASP260
|
4.6
|
18.8
|
1.0
|
O
|
B:HOH757
|
4.7
|
38.7
|
1.0
|
O
|
B:GLU232
|
4.8
|
19.6
|
1.0
|
O
|
B:LEU235
|
4.8
|
21.5
|
1.0
|
C4
|
B:PGE509
|
4.8
|
32.7
|
1.0
|
CG
|
B:GLU231
|
4.8
|
31.3
|
1.0
|
O4
|
B:PGE509
|
4.9
|
51.2
|
1.0
|
N
|
B:ASP263
|
5.0
|
17.1
|
1.0
|
|
Calcium binding site 4 out
of 7 in 6k54
Go back to
Calcium Binding Sites List in 6k54
Calcium binding site 4 out
of 7 in the Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 4 of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca502
b:24.6
occ:1.00
|
O
|
B:THR280
|
2.3
|
19.6
|
1.0
|
O
|
B:ASP2
|
2.3
|
23.6
|
1.0
|
O
|
B:HOH691
|
2.4
|
24.5
|
1.0
|
O
|
B:HOH837
|
2.4
|
26.9
|
1.0
|
O
|
B:HOH615
|
2.5
|
20.9
|
1.0
|
OD1
|
B:ASP2
|
2.6
|
32.9
|
1.0
|
O
|
B:HOH733
|
2.9
|
35.6
|
1.0
|
C
|
B:ASP2
|
3.4
|
25.4
|
1.0
|
C
|
B:THR280
|
3.4
|
23.4
|
1.0
|
CG
|
B:ASP2
|
3.6
|
44.8
|
1.0
|
CA
|
B:ASP2
|
3.9
|
27.9
|
1.0
|
CB
|
B:THR280
|
4.1
|
29.2
|
1.0
|
CA
|
B:THR280
|
4.2
|
24.7
|
1.0
|
CB
|
B:ASP2
|
4.4
|
29.7
|
1.0
|
OD2
|
B:ASP350
|
4.4
|
21.0
|
1.0
|
N
|
B:ILE281
|
4.5
|
20.1
|
1.0
|
OD2
|
B:ASP2
|
4.5
|
53.0
|
1.0
|
O
|
B:ASP218
|
4.5
|
23.4
|
1.0
|
N
|
B:GLY282
|
4.5
|
19.8
|
1.0
|
N
|
B:ASN3
|
4.5
|
20.7
|
1.0
|
CA
|
B:ILE281
|
4.6
|
24.5
|
1.0
|
C
|
B:ILE281
|
4.6
|
23.0
|
1.0
|
O
|
B:HOH760
|
4.6
|
29.6
|
1.0
|
O
|
B:HOH710
|
4.6
|
31.3
|
1.0
|
O
|
B:HOH898
|
4.6
|
42.2
|
1.0
|
OD1
|
B:ASP350
|
4.7
|
22.2
|
1.0
|
O
|
B:HOH936
|
4.7
|
27.9
|
1.0
|
O
|
B:LEU1
|
4.9
|
27.2
|
1.0
|
CA
|
B:ASN3
|
5.0
|
26.4
|
1.0
|
OG1
|
B:THR280
|
5.0
|
28.8
|
1.0
|
CG
|
B:ASP350
|
5.0
|
22.7
|
1.0
|
|
Calcium binding site 5 out
of 7 in 6k54
Go back to
Calcium Binding Sites List in 6k54
Calcium binding site 5 out
of 7 in the Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 5 of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca503
b:27.5
occ:1.00
|
O
|
B:HOH943
|
2.3
|
33.3
|
1.0
|
O
|
B:ALA113
|
2.4
|
19.0
|
1.0
|
O
|
B:HOH750
|
2.5
|
25.1
|
1.0
|
O
|
B:HOH972
|
2.6
|
26.4
|
1.0
|
O
|
B:HOH1019
|
3.2
|
39.3
|
1.0
|
C
|
B:ALA113
|
3.5
|
20.8
|
1.0
|
CA
|
B:ALA113
|
4.2
|
21.4
|
1.0
|
CB
|
B:ALA113
|
4.4
|
21.6
|
1.0
|
N
|
B:GLU114
|
4.5
|
18.4
|
1.0
|
CB
|
B:ASP117
|
4.5
|
17.1
|
1.0
|
CD
|
B:PRO118
|
4.5
|
14.6
|
1.0
|
CA
|
B:GLU114
|
4.6
|
18.5
|
1.0
|
OD2
|
B:ASP117
|
4.8
|
22.3
|
1.0
|
O
|
B:HOH1021
|
4.9
|
42.1
|
1.0
|
O
|
B:HOH1020
|
5.0
|
29.9
|
1.0
|
|
Calcium binding site 6 out
of 7 in 6k54
Go back to
Calcium Binding Sites List in 6k54
Calcium binding site 6 out
of 7 in the Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 6 of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Ca501
b:19.8
occ:1.00
|
OD2
|
C:ASP263
|
2.3
|
21.6
|
1.0
|
OD2
|
C:ASP260
|
2.3
|
21.0
|
1.0
|
O
|
C:HOH843
|
2.4
|
19.2
|
1.0
|
O
|
C:HOH725
|
2.5
|
17.1
|
1.0
|
O
|
C:HOH744
|
2.5
|
18.4
|
1.0
|
O
|
C:HOH923
|
2.5
|
26.7
|
1.0
|
OD1
|
C:ASP263
|
2.6
|
21.7
|
1.0
|
CG
|
C:ASP263
|
2.8
|
23.0
|
1.0
|
CG
|
C:ASP260
|
3.2
|
19.0
|
1.0
|
OD1
|
C:ASP260
|
3.3
|
18.9
|
1.0
|
O
|
C:HOH727
|
4.2
|
19.8
|
1.0
|
CB
|
C:ASP263
|
4.2
|
17.4
|
1.0
|
O
|
A:HOH1006
|
4.4
|
24.3
|
1.0
|
O
|
C:HOH718
|
4.4
|
23.8
|
1.0
|
O
|
C:PRO236
|
4.5
|
22.8
|
1.0
|
O
|
C:HOH646
|
4.5
|
34.5
|
1.0
|
CA
|
C:PRO236
|
4.6
|
18.6
|
1.0
|
CB
|
C:ASP260
|
4.6
|
14.7
|
1.0
|
N
|
C:GLU232
|
4.7
|
15.3
|
1.0
|
O
|
C:GLU232
|
4.8
|
18.2
|
1.0
|
CG
|
C:GLU231
|
4.8
|
25.9
|
1.0
|
O
|
C:LEU235
|
4.8
|
18.2
|
1.0
|
C4
|
C:PEG508
|
5.0
|
30.0
|
1.0
|
C
|
C:PRO236
|
5.0
|
19.4
|
1.0
|
N
|
C:ASP263
|
5.0
|
17.1
|
1.0
|
|
Calcium binding site 7 out
of 7 in 6k54
Go back to
Calcium Binding Sites List in 6k54
Calcium binding site 7 out
of 7 in the Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 7 of Hyperthermophilic GH6 Cellobiohydrolase II (HMCEL6A) in Complex with Trisaccharide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Ca502
b:25.9
occ:1.00
|
O
|
C:ASP2
|
2.2
|
28.7
|
1.0
|
O
|
C:THR280
|
2.3
|
21.1
|
1.0
|
O
|
C:HOH716
|
2.4
|
24.2
|
1.0
|
O
|
C:HOH623
|
2.5
|
22.6
|
1.0
|
O
|
C:HOH903
|
2.5
|
30.1
|
1.0
|
O
|
C:HOH611
|
2.5
|
38.6
|
1.0
|
OD1
|
C:ASP2
|
2.6
|
36.1
|
1.0
|
O
|
C:HOH689
|
3.0
|
36.1
|
1.0
|
C
|
C:ASP2
|
3.3
|
25.1
|
1.0
|
C
|
C:THR280
|
3.5
|
25.1
|
1.0
|
CG
|
C:ASP2
|
3.6
|
45.8
|
1.0
|
CA
|
C:ASP2
|
3.8
|
29.8
|
1.0
|
CB
|
C:THR280
|
4.2
|
31.3
|
1.0
|
CA
|
C:THR280
|
4.2
|
28.2
|
1.0
|
CB
|
C:ASP2
|
4.3
|
30.6
|
1.0
|
N
|
C:ASN3
|
4.5
|
22.2
|
1.0
|
OD2
|
C:ASP350
|
4.5
|
20.8
|
1.0
|
N
|
C:ILE281
|
4.5
|
22.8
|
1.0
|
O
|
C:ASP218
|
4.5
|
23.6
|
1.0
|
N
|
C:GLY282
|
4.5
|
20.0
|
1.0
|
OD2
|
C:ASP2
|
4.6
|
53.4
|
1.0
|
C
|
C:ILE281
|
4.6
|
19.8
|
1.0
|
O
|
C:HOH701
|
4.6
|
33.9
|
1.0
|
CA
|
C:ILE281
|
4.6
|
20.7
|
1.0
|
O
|
C:HOH922
|
4.6
|
30.3
|
1.0
|
O
|
C:HOH924
|
4.7
|
39.3
|
1.0
|
OD1
|
C:ASP350
|
4.7
|
21.3
|
1.0
|
O
|
C:HOH854
|
4.8
|
27.8
|
1.0
|
O
|
C:LEU1
|
4.9
|
26.9
|
1.0
|
CA
|
C:ASN3
|
4.9
|
20.6
|
1.0
|
OG1
|
C:THR280
|
5.0
|
27.2
|
1.0
|
|
Reference:
M.Takeda,
S.Baba,
J.Okuma,
Y.Hirose,
A.Nishimura,
M.Takata,
K.Oda,
D.Shibata,
Y.Kondo,
T.Kumasaka.
Novel Hyperthermophilic Cellobiohydrolase II Isolated From Hot Spring Microbial Community To Be Published.
Page generated: Tue Jul 16 10:14:24 2024
|