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Calcium in PDB 3ufh: Crystal Structure of Unda with Iron Citrate Bound

Protein crystallography data

The structure of Crystal Structure of Unda with Iron Citrate Bound, PDB code: 3ufh was solved by M.J.Edwards, T.A.Clarke, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 61.63 / 2.23
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 69.880, 106.530, 151.120, 90.00, 90.00, 90.00
R / Rfree (%) 16.3 / 21.1

Other elements in 3ufh:

The structure of Crystal Structure of Unda with Iron Citrate Bound also contains other interesting chemical elements:

Magnesium (Mg) 2 atoms
Iron (Fe) 14 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Unda with Iron Citrate Bound (pdb code 3ufh). 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 Crystal Structure of Unda with Iron Citrate Bound, PDB code: 3ufh:

Calcium binding site 1 out of 1 in 3ufh

Go back to Calcium Binding Sites List in 3ufh
Calcium binding site 1 out of 1 in the Crystal Structure of Unda with Iron Citrate Bound


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 Unda with Iron Citrate Bound within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca913

b:34.0
occ:1.00
O2D A:HEC907 2.3 26.3 1.0
OE1 A:GLU295 2.3 40.0 1.0
OD1 A:ASP293 2.3 32.6 1.0
O1D A:HEC907 2.3 29.1 1.0
O A:HOH1168 2.4 30.8 1.0
O A:VAL317 2.5 31.8 1.0
O A:HOH1412 2.5 27.6 1.0
CGD A:HEC907 2.6 29.0 1.0
CG A:ASP293 3.4 33.7 1.0
CD A:GLU295 3.5 43.0 1.0
C A:VAL317 3.5 32.7 1.0
OD2 A:ASP293 4.1 34.4 1.0
CBD A:HEC907 4.1 27.1 1.0
OE2 A:GLU295 4.2 48.6 1.0
CD A:PRO294 4.3 32.2 1.0
CA A:GLY318 4.3 35.7 1.0
N A:GLY318 4.3 32.4 1.0
O A:HOH1369 4.4 35.0 1.0
O A:HOH1376 4.4 38.5 1.0
CB A:ASP293 4.4 30.9 1.0
CB A:VAL317 4.5 31.5 1.0
CG A:GLU295 4.5 39.7 1.0
CG A:PRO294 4.5 36.1 1.0
CA A:VAL317 4.5 30.8 1.0
CB A:GLU295 4.5 34.2 1.0
O A:GLY318 4.6 36.5 1.0
CA A:ASP293 4.7 31.9 1.0
NE2 A:GLN158 4.7 39.6 1.0
N A:PRO294 4.7 33.3 1.0
N A:GLU295 4.7 30.7 1.0
C A:GLY318 4.8 38.5 1.0
O A:HOH1673 4.8 56.7 1.0
N A:VAL317 4.8 31.9 1.0
CAD A:HEC907 4.8 31.0 1.0
C A:ASP293 5.0 32.2 1.0

Reference:

M.J.Edwards, A.Hall, L.Shi, J.K.Fredrickson, J.M.Zachara, J.N.Butt, D.J.Richardson, T.A.Clarke. The Crystal Structure of the Extracellular 11-Heme Cytochrome Unda Reveals A Conserved 10-Heme Motif and Defined Binding Site For Soluble Iron Chelates. Structure V. 20 1275 2012.
ISSN: ISSN 0969-2126
PubMed: 22682743
DOI: 10.1016/J.STR.2012.04.016
Page generated: Sat Jul 13 20:08:55 2024

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