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Arsenic in PDB 2pq3: N-Terminal Calmodulin Zn-Trapped Intermediate

Protein crystallography data

The structure of N-Terminal Calmodulin Zn-Trapped Intermediate, PDB code: 2pq3 was solved by J.T.Warren, Q.Guo, W.J.Tang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 32.00 / 1.30
Space group P 43 21 2
Cell size a, b, c (Å), α, β, γ (°) 35.211, 35.211, 143.294, 90.00, 90.00, 90.00
R / Rfree (%) 14.3 / 19.2

Other elements in 2pq3:

The structure of N-Terminal Calmodulin Zn-Trapped Intermediate also contains other interesting chemical elements:

Zinc (Zn) 3 atoms

Arsenic Binding Sites:

The binding sites of Arsenic atom in the N-Terminal Calmodulin Zn-Trapped Intermediate (pdb code 2pq3). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total only one binding site of Arsenic was determined in the N-Terminal Calmodulin Zn-Trapped Intermediate, PDB code: 2pq3:

Arsenic binding site 1 out of 1 in 2pq3

Go back to Arsenic Binding Sites List in 2pq3
Arsenic binding site 1 out of 1 in the N-Terminal Calmodulin Zn-Trapped Intermediate


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of N-Terminal Calmodulin Zn-Trapped Intermediate within 5.0Å range:
probe atom residue distance (Å) B Occ
A:As200

b:18.7
occ:1.00
AS A:CAC200 0.0 18.7 1.0
O1 A:CAC200 1.7 17.2 1.0
O2 A:CAC200 1.7 17.6 1.0
C1 A:CAC200 1.9 19.2 1.0
C2 A:CAC200 2.0 20.9 1.0
ZN A:ZN202 3.2 18.1 1.0
O A:HOH228 3.8 35.0 1.0
OD2 A:ASP22 3.9 18.0 1.0
O A:HOH203 4.1 18.1 1.0
OD2 A:ASP24 4.6 20.0 1.0
O A:HOH215 4.6 29.9 1.0

Reference:

J.T.Warren, Q.Guo, W.J.Tang. A 1.3-A Structure of Zinc-Bound N-Terminal Domain of Calmodulin Elucidates Potential Early Ion-Binding Step. J.Mol.Biol. V. 374 517 2007.
ISSN: ISSN 0022-2836
PubMed: 17942116
DOI: 10.1016/J.JMB.2007.09.048
Page generated: Tue Oct 27 16:49:17 2020

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