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Calcium in PDB 4hox: The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris

Enzymatic activity of The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris

All present enzymatic activity of The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris:
5.4.99.11;

Protein crystallography data

The structure of The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris, PDB code: 4hox was solved by Z.Xu, S.Li, H.Xu, J.Zhou, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 36.14 / 2.00
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 58.662, 81.131, 137.626, 90.00, 90.00, 90.00
R / Rfree (%) 13.9 / 20.1

Calcium Binding Sites:

The binding sites of Calcium atom in the The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris (pdb code 4hox). 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 The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris, PDB code: 4hox:

Calcium binding site 1 out of 1 in 4hox

Go back to Calcium Binding Sites List in 4hox
Calcium binding site 1 out of 1 in the The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca703

b:15.8
occ:1.00
 OD1 A:ASP63 2.3 12.3 1.0
O A:HOH1397 2.4 15.6 1.0
OD2 A:ASP71 2.4 12.6 1.0
OD1 A:ASN65 2.4 18.9 1.0
OD1 A:ASP67 2.4 19.8 1.0
O A:ILE69 2.5 11.8 1.0
O A:HOH1398 2.5 16.2 1.0
CG A:ASP63 3.4 13.9 1.0
CG A:ASP67 3.4 20.6 1.0
CG A:ASP71 3.4 12.6 1.0
CG A:ASN65 3.5 21.2 1.0
C A:ILE69 3.6 14.0 1.0
OD2 A:ASP67 3.7 19.5 1.0
CB A:ASP71 3.7 13.2 1.0
N A:ASN65 4.1 19.6 1.0
CB A:ASP63 4.1 13.2 1.0
CA A:ASP63 4.2 14.1 1.0
ND2 A:ASN65 4.2 20.7 1.0
N A:THR64 4.2 15.4 1.0
OD2 A:ASP63 4.2 13.5 1.0
O A:GLU116 4.3 14.3 1.0
N A:ILE69 4.3 14.4 1.0
C A:GLY70 4.3 12.1 1.0
CA A:ILE69 4.4 14.2 1.0
N A:ASP71 4.5 12.4 1.0
OD1 A:ASP71 4.5 11.9 1.0
O A:GLY70 4.5 11.6 1.0
CB A:ILE69 4.6 15.8 1.0
N A:GLY70 4.6 12.1 1.0
CB A:ASN65 4.6 19.2 1.0
N A:ASP67 4.6 17.9 1.0
C A:ASP63 4.6 15.7 1.0
O A:HOH1128 4.7 25.2 1.0
CB A:ASP67 4.7 19.1 1.0
CA A:GLY70 4.7 12.2 1.0
O A:HOH1230 4.7 19.8 1.0
CA A:ASP71 4.7 13.0 1.0
CA A:ASN65 4.7 20.8 1.0
C A:ASN65 5.0 20.8 1.0
O A:HOH1049 5.0 21.8 1.0

Reference:

Z.Xu, S.Li, H.Xu, J.Zhou. The Crystal Structure of Isomaltulose Synthase From Erwinia Rhapontici NX5 in Complex with Tris To Be Published.
Page generated: Tue Jul 8 22:42:33 2025

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