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Calcium in PDB 4hph: The Crystal Structure of Isomaltulose Synthase Mutant E295Q From Erwinia Rhapontici NX5 in Complex with Its Natural Substrate Sucrose

Enzymatic activity of The Crystal Structure of Isomaltulose Synthase Mutant E295Q From Erwinia Rhapontici NX5 in Complex with Its Natural Substrate Sucrose

All present enzymatic activity of The Crystal Structure of Isomaltulose Synthase Mutant E295Q From Erwinia Rhapontici NX5 in Complex with Its Natural Substrate Sucrose:
5.4.99.11;

Protein crystallography data

The structure of The Crystal Structure of Isomaltulose Synthase Mutant E295Q From Erwinia Rhapontici NX5 in Complex with Its Natural Substrate Sucrose, PDB code: 4hph 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) 34.98 / 1.70
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 58.553, 81.091, 138.354, 90.00, 90.00, 90.00
R / Rfree (%) 16.1 / 20

Calcium Binding Sites:

The binding sites of Calcium atom in the The Crystal Structure of Isomaltulose Synthase Mutant E295Q From Erwinia Rhapontici NX5 in Complex with Its Natural Substrate Sucrose (pdb code 4hph). 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 Mutant E295Q From Erwinia Rhapontici NX5 in Complex with Its Natural Substrate Sucrose, PDB code: 4hph:

Calcium binding site 1 out of 1 in 4hph

Go back to Calcium Binding Sites List in 4hph
Calcium binding site 1 out of 1 in the The Crystal Structure of Isomaltulose Synthase Mutant E295Q From Erwinia Rhapontici NX5 in Complex with Its Natural Substrate Sucrose


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 Mutant E295Q From Erwinia Rhapontici NX5 in Complex with Its Natural Substrate Sucrose within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca701

b:24.1
occ:1.00
 O A:HOH1071 2.3 35.8 1.0
O A:ILE69 2.4 16.3 1.0
OD1 A:ASN65 2.4 23.9 1.0
OD1 A:ASP63 2.4 21.9 1.0
OD1 A:ASP67 2.4 26.5 1.0
OD2 A:ASP71 2.4 19.8 1.0
O A:HOH1082 2.5 33.7 1.0
CG A:ASP67 3.4 28.9 1.0
CG A:ASP63 3.4 21.6 1.0
CG A:ASN65 3.5 30.1 1.0
CG A:ASP71 3.5 21.9 1.0
C A:ILE69 3.6 17.7 1.0
OD2 A:ASP67 3.7 29.1 1.0
CB A:ASP71 3.9 20.0 1.0
ND2 A:ASN65 4.1 30.6 1.0
N A:ASN65 4.1 26.1 1.0
CA A:ASP63 4.2 16.3 1.0
CB A:ASP63 4.2 16.6 1.0
OD2 A:ASP63 4.2 20.4 1.0
N A:ILE69 4.2 19.1 1.0
N A:THR64 4.2 18.8 1.0
O A:GLU116 4.3 23.0 1.0
CA A:ILE69 4.4 17.6 1.0
C A:GLY70 4.4 16.6 1.0
N A:ASP67 4.5 23.1 1.0
O A:GLY70 4.5 18.2 1.0
CA A:GLY70 4.6 16.0 1.0
N A:GLY70 4.6 16.3 1.0
CB A:ILE69 4.6 20.6 1.0
CB A:ASP67 4.6 24.2 1.0
N A:ASP71 4.6 16.7 1.0
CB A:ASN65 4.6 28.7 1.0
OD1 A:ASP71 4.7 22.6 1.0
C A:ASP63 4.7 16.5 1.0
CA A:ASN65 4.7 30.8 1.0
N A:GLY66 4.8 24.4 1.0
CA A:ASP71 4.9 18.8 1.0
N A:GLY68 4.9 20.6 1.0
CA A:ASP67 4.9 22.9 1.0
C A:ASN65 4.9 29.5 1.0
O A:HOH1032 4.9 34.1 1.0

Reference:

Z.Xu, S.Li, J.Li, Y.Li, X.Feng, R.Wang, H.Xu, J.Zhou. The Structural Basis of Erwinia Rhapontici Isomaltulose Synthase Plos One V. 8 74788 2013.
ISSN: ESSN 1932-6203
PubMed: 24069347
DOI: 10.1371/JOURNAL.PONE.0074788
Page generated: Tue Jul 8 22:42:52 2025

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