Calcium in PDB 1t0l: Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+)
Enzymatic activity of Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+)
All present enzymatic activity of Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+):
1.1.1.42;
Protein crystallography data
The structure of Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+), PDB code: 1t0l
was solved by
X.Xu,
J.Zhao,
B.Peng,
Q.Huang,
E.Arnold,
J.Ding,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
12.00 /
2.41
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
103.298,
86.738,
115.766,
90.00,
107.15,
90.00
|
R / Rfree (%)
|
21.4 /
25.3
|
Calcium Binding Sites:
The binding sites of Calcium atom in the Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+)
(pdb code 1t0l). This binding sites where shown within
5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the
Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+), PDB code: 1t0l:
Jump to Calcium binding site number:
1;
2;
3;
4;
Calcium binding site 1 out
of 4 in 1t0l
Go back to
Calcium Binding Sites List in 1t0l
Calcium binding site 1 out
of 4 in the Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+)
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 1 of Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1717
b:45.4
occ:1.00
|
OD2
|
B:ASP252
|
2.7
|
44.8
|
1.0
|
OD2
|
A:ASP275
|
2.7
|
42.6
|
1.0
|
O
|
A:HOH1763
|
2.8
|
47.6
|
1.0
|
O7
|
A:ICT1616
|
2.9
|
40.2
|
1.0
|
O
|
A:ASP275
|
3.0
|
11.9
|
1.0
|
O2
|
A:ICT1616
|
3.1
|
34.8
|
1.0
|
OD1
|
A:ASP279
|
3.1
|
30.3
|
1.0
|
CG
|
A:ASP279
|
3.6
|
26.2
|
1.0
|
NH2
|
A:ARG109
|
3.7
|
22.0
|
1.0
|
OD2
|
A:ASP279
|
3.7
|
27.6
|
1.0
|
CG
|
B:ASP252
|
3.8
|
41.9
|
1.0
|
C1
|
A:ICT1616
|
3.8
|
36.2
|
1.0
|
C2
|
A:ICT1616
|
3.9
|
36.6
|
1.0
|
C
|
A:ASP275
|
3.9
|
13.4
|
1.0
|
CG
|
A:ASP275
|
3.9
|
39.4
|
1.0
|
O
|
A:ALA308
|
4.1
|
33.9
|
1.0
|
CB
|
B:ASP252
|
4.2
|
38.2
|
1.0
|
OG
|
A:SER278
|
4.3
|
13.5
|
1.0
|
CA
|
A:ASP275
|
4.4
|
14.0
|
1.0
|
O
|
A:HOH1773
|
4.5
|
11.5
|
1.0
|
CB
|
A:ASP279
|
4.6
|
23.6
|
1.0
|
OD1
|
A:ASP275
|
4.8
|
44.6
|
1.0
|
CB
|
A:ASP275
|
4.8
|
36.8
|
1.0
|
CZ
|
A:ARG109
|
4.8
|
23.0
|
1.0
|
OD1
|
B:ASP252
|
4.9
|
45.0
|
1.0
|
O
|
B:HOH1886
|
5.0
|
14.1
|
1.0
|
NH1
|
A:ARG132
|
5.0
|
12.4
|
1.0
|
|
Calcium binding site 2 out
of 4 in 1t0l
Go back to
Calcium Binding Sites List in 1t0l
Calcium binding site 2 out
of 4 in the Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+)
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 2 of Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca1718
b:38.5
occ:1.00
|
OD2
|
B:ASP275
|
2.5
|
34.8
|
1.0
|
OD2
|
A:ASP252
|
2.6
|
38.8
|
1.0
|
O
|
B:HOH1897
|
2.8
|
9.9
|
1.0
|
O
|
B:ASP275
|
2.8
|
17.8
|
1.0
|
O7
|
B:ICT1617
|
2.8
|
39.2
|
1.0
|
O2
|
B:ICT1617
|
3.2
|
30.7
|
1.0
|
OD1
|
B:ASP279
|
3.2
|
27.6
|
1.0
|
CG
|
B:ASP279
|
3.5
|
25.6
|
1.0
|
OD2
|
B:ASP279
|
3.7
|
25.3
|
1.0
|
CG
|
A:ASP252
|
3.7
|
35.6
|
1.0
|
C
|
B:ASP275
|
3.7
|
17.4
|
1.0
|
CG
|
B:ASP275
|
3.8
|
31.5
|
1.0
|
C1
|
B:ICT1617
|
3.8
|
32.8
|
1.0
|
C2
|
B:ICT1617
|
3.8
|
35.3
|
1.0
|
NH2
|
B:ARG109
|
3.8
|
27.1
|
1.0
|
CB
|
A:ASP252
|
4.0
|
31.9
|
1.0
|
CA
|
B:ASP275
|
4.2
|
18.4
|
1.0
|
OG
|
B:SER278
|
4.3
|
6.6
|
1.0
|
O
|
B:ALA308
|
4.5
|
23.0
|
1.0
|
O
|
B:HOH1872
|
4.5
|
36.1
|
1.0
|
CB
|
B:ASP279
|
4.5
|
22.6
|
1.0
|
CB
|
B:ASP275
|
4.6
|
27.4
|
1.0
|
OD1
|
B:ASP275
|
4.6
|
33.4
|
1.0
|
N
|
B:VAL276
|
4.7
|
13.7
|
1.0
|
OD1
|
A:ASP252
|
4.8
|
37.8
|
1.0
|
CA
|
A:ASP252
|
5.0
|
33.6
|
1.0
|
NH1
|
B:ARG132
|
5.0
|
11.6
|
1.0
|
|
Calcium binding site 3 out
of 4 in 1t0l
Go back to
Calcium Binding Sites List in 1t0l
Calcium binding site 3 out
of 4 in the Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+)
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 3 of Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Ca1719
b:29.2
occ:1.00
|
OD2
|
C:ASP275
|
2.6
|
30.3
|
1.0
|
OD2
|
D:ASP252
|
2.6
|
26.4
|
1.0
|
O
|
C:HOH1733
|
2.7
|
27.0
|
1.0
|
O
|
C:ASP275
|
2.8
|
17.6
|
1.0
|
O
|
C:HOH1859
|
2.8
|
14.6
|
1.0
|
O7
|
C:ICT1618
|
3.0
|
38.2
|
1.0
|
OD1
|
C:ASP279
|
3.1
|
34.0
|
1.0
|
O2
|
C:ICT1618
|
3.1
|
28.5
|
1.0
|
CG
|
C:ASP279
|
3.5
|
32.8
|
1.0
|
OD2
|
C:ASP279
|
3.6
|
37.3
|
1.0
|
C
|
C:ASP275
|
3.7
|
18.9
|
1.0
|
CG
|
D:ASP252
|
3.7
|
24.8
|
1.0
|
NH2
|
C:ARG109
|
3.7
|
17.5
|
1.0
|
C1
|
C:ICT1618
|
3.8
|
31.6
|
1.0
|
CG
|
C:ASP275
|
3.8
|
27.7
|
1.0
|
C2
|
C:ICT1618
|
3.9
|
34.0
|
1.0
|
CB
|
D:ASP252
|
4.1
|
21.0
|
1.0
|
OG
|
C:SER278
|
4.2
|
18.6
|
1.0
|
CA
|
C:ASP275
|
4.2
|
19.4
|
1.0
|
CB
|
C:ASP279
|
4.4
|
31.0
|
1.0
|
O
|
C:ALA308
|
4.6
|
16.5
|
1.0
|
CB
|
C:ASP275
|
4.6
|
26.1
|
1.0
|
OD1
|
C:ASP275
|
4.7
|
29.4
|
1.0
|
N
|
C:VAL276
|
4.7
|
17.7
|
1.0
|
OD1
|
D:ASP252
|
4.8
|
24.3
|
1.0
|
CZ
|
C:ARG109
|
4.9
|
20.2
|
1.0
|
N
|
C:ASP279
|
4.9
|
14.6
|
1.0
|
NH1
|
C:ARG132
|
5.0
|
5.5
|
1.0
|
CA
|
D:ASP252
|
5.0
|
22.0
|
1.0
|
|
Calcium binding site 4 out
of 4 in 1t0l
Go back to
Calcium Binding Sites List in 1t0l
Calcium binding site 4 out
of 4 in the Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+)
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 4 of Crystal Structure of Human Cytosolic Nadp(+)-Dependent Isocitrate Dehydrogenase in Complex with Nadp, Isocitrate, and Calcium(2+) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Ca1720
b:27.0
occ:1.00
|
OD2
|
D:ASP275
|
2.5
|
31.1
|
1.0
|
OD2
|
C:ASP252
|
2.6
|
26.7
|
1.0
|
O
|
D:HOH1806
|
2.7
|
11.4
|
1.0
|
O
|
D:HOH1815
|
2.8
|
18.7
|
1.0
|
O
|
D:ASP275
|
2.9
|
16.2
|
1.0
|
O7
|
D:ICT1619
|
2.9
|
41.4
|
1.0
|
OD1
|
D:ASP279
|
3.3
|
32.6
|
1.0
|
O2
|
D:ICT1619
|
3.5
|
30.3
|
1.0
|
CG
|
D:ASP279
|
3.6
|
30.8
|
1.0
|
OD2
|
D:ASP279
|
3.7
|
33.3
|
1.0
|
CG
|
C:ASP252
|
3.7
|
25.4
|
1.0
|
CG
|
D:ASP275
|
3.7
|
28.9
|
1.0
|
C
|
D:ASP275
|
3.7
|
16.9
|
1.0
|
C2
|
D:ICT1619
|
3.8
|
36.4
|
1.0
|
NH2
|
D:ARG109
|
3.9
|
19.3
|
1.0
|
C1
|
D:ICT1619
|
3.9
|
34.4
|
1.0
|
CB
|
C:ASP252
|
4.1
|
23.1
|
1.0
|
CA
|
D:ASP275
|
4.2
|
17.6
|
1.0
|
OG
|
D:SER278
|
4.4
|
14.2
|
1.0
|
OD1
|
D:ASP275
|
4.5
|
30.9
|
1.0
|
CB
|
D:ASP279
|
4.6
|
27.4
|
1.0
|
CB
|
D:ASP275
|
4.6
|
25.9
|
1.0
|
O
|
D:ALA308
|
4.6
|
20.1
|
1.0
|
N
|
D:VAL276
|
4.7
|
15.4
|
1.0
|
OD1
|
C:ASP252
|
4.8
|
27.9
|
1.0
|
NH1
|
D:ARG132
|
4.9
|
11.1
|
1.0
|
CA
|
C:ASP252
|
5.0
|
22.4
|
1.0
|
|
Reference:
X.Xu,
J.Zhao,
Z.Xu,
B.Peng,
Q.Huang,
E.Arnold,
J.Ding.
Structures of Human Cytosolic Nadp-Dependent Isocitrate Dehydrogenase Reveal A Novel Self-Regulatory Mechanism of Activity J.Biol.Chem. V. 279 33946 2004.
ISSN: ISSN 0021-9258
PubMed: 15173171
DOI: 10.1074/JBC.M404298200
Page generated: Thu Jul 11 22:54:39 2024
|