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Calcium in PDB 1ika: Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7 Angstroms Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate

Enzymatic activity of Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7 Angstroms Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate

All present enzymatic activity of Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7 Angstroms Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate:
1.1.1.42;

Protein crystallography data

The structure of Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7 Angstroms Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate, PDB code: 1ika was solved by B.L.Stoddard, D.E.Koshland Junior, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.00 / 2.70
Space group P 43 21 2
Cell size a, b, c (Å), α, β, γ (°) 105.100, 105.100, 150.300, 90.00, 90.00, 90.00
R / Rfree (%) n/a / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7 Angstroms Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate (pdb code 1ika). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7 Angstroms Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate, PDB code: 1ika:

Calcium binding site 1 out of 1 in 1ika

Go back to Calcium Binding Sites List in 1ika
Calcium binding site 1 out of 1 in the Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7 Angstroms Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7 Angstroms Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca417

b:17.3
occ:1.00
 OD2 A:ASP311 1.5 2.8 1.0
O2 A:AKG418 1.7 26.4 1.0
O5 A:AKG418 1.9 18.1 1.0
OD1 A:ASP311 2.0 2.0 1.0
CG A:ASP311 2.1 2.9 1.0
C1 A:AKG418 2.4 26.0 1.0
C2 A:AKG418 2.5 22.6 1.0
OD1 A:ASP307 2.7 12.0 1.0
HH12 A:ARG129 3.0 0.0 1.0
CB A:ASP311 3.6 2.0 1.0
O1 A:AKG418 3.6 22.8 1.0
CG A:ASP307 3.8 13.7 1.0
C3 A:AKG418 3.9 23.4 1.0
NH1 A:ARG129 4.0 26.9 1.0
HH22 A:ARG129 4.2 0.0 1.0
O A:ASP307 4.3 9.8 1.0
OD2 A:ASP307 4.3 13.1 1.0
O A:THR338 4.4 10.8 1.0
HH11 A:ARG129 4.4 0.0 1.0
CA A:ASP311 4.6 2.0 1.0
H A:ASP311 4.6 0.0 1.0
N A:ASP311 4.8 4.8 1.0
C4 A:AKG418 4.9 22.5 1.0
NH2 A:ARG129 4.9 24.5 1.0
CZ A:ARG129 5.0 23.6 1.0

Reference:

B.L.Stoddard, D.E.Koshland Jr.. Structure of Isocitrate Dehydrogenase with Alpha-Ketoglutarate at 2.7-A Resolution: Conformational Changes Induced By Decarboxylation of Isocitrate. Biochemistry V. 32 9317 1993.
ISSN: ISSN 0006-2960
PubMed: 8369301
DOI: 10.1021/BI00087A009
Page generated: Mon Jul 7 15:50:28 2025

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