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Calcium in PDB 3r68: Molecular Analysis of the PDZ3 Domain of PDZK1

Protein crystallography data

The structure of Molecular Analysis of the PDZ3 Domain of PDZK1, PDB code: 3r68 was solved by O.Kocher, G.Birrane, M.Krieger, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 33.15 / 1.30
Space group P 43 21 2
Cell size a, b, c (Å), α, β, γ (°) 69.910, 69.910, 37.659, 90.00, 90.00, 90.00
R / Rfree (%) 13.1 / 15.7

Other elements in 3r68:

The structure of Molecular Analysis of the PDZ3 Domain of PDZK1 also contains other interesting chemical elements:

Chlorine (Cl) 5 atoms
Zinc (Zn) 4 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Molecular Analysis of the PDZ3 Domain of PDZK1 (pdb code 3r68). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Molecular Analysis of the PDZ3 Domain of PDZK1, PDB code: 3r68:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 3r68

Go back to Calcium Binding Sites List in 3r68
Calcium binding site 1 out of 2 in the Molecular Analysis of the PDZ3 Domain of PDZK1


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Molecular Analysis of the PDZ3 Domain of PDZK1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca12

b:22.5
occ:0.50
CA A:CA14 3.2 15.6 1.0
NH2 A:ARG309 3.7 13.2 0.5
CL A:CL13 4.0 37.9 1.0
O A:HOH132 4.1 33.8 1.0
CL A:CL11 4.2 35.6 1.0
CZ A:ARG309 4.7 12.8 0.5
OE2 A:GLU306 4.8 17.2 1.0
OE1 A:GLU306 4.8 16.3 1.0

Calcium binding site 2 out of 2 in 3r68

Go back to Calcium Binding Sites List in 3r68
Calcium binding site 2 out of 2 in the Molecular Analysis of the PDZ3 Domain of PDZK1


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Molecular Analysis of the PDZ3 Domain of PDZK1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca14

b:15.6
occ:1.00
OE2 A:GLU306 2.0 17.2 1.0
CL A:CL13 2.1 37.9 1.0
CL A:CL11 2.2 35.6 1.0
CD A:GLU306 2.8 14.9 1.0
OE1 A:GLU306 2.9 16.3 1.0
CA A:CA12 3.2 22.5 0.5
O A:HOH132 4.1 33.8 1.0
NH2 A:ARG309 4.1 13.2 0.5
CG A:GLU306 4.2 14.0 1.0
CB A:LYS310 4.2 17.4 1.0
O A:HOH99 4.3 32.9 1.0
NE A:ARG309 4.5 15.1 0.5
CZ A:ARG309 4.7 12.8 0.5
CA A:LYS310 5.0 15.2 1.0

Reference:

O.Kocher, G.Birrane, A.Yesilaltay, S.Shechter, R.Pal, K.Daniels, M.Krieger. Identification of the PDZ3 Domain of the Adaptor Protein PDZK1 As A Second, Physiologically Functional Binding Site For the C Terminus of the High Density Lipoprotein Receptor Scavenger Receptor Class B Type I. J.Biol.Chem. V. 286 25171 2011.
ISSN: ISSN 0021-9258
PubMed: 21602281
DOI: 10.1074/JBC.M111.242362
Page generated: Sat Dec 12 04:27:45 2020

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