Chlorine in PDB 3zrs: X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate.

The structure of X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate., PDB code: 3zrs was solved by V.N.Bavro, R.De Zorzi, M.R.Schmidt, J.R.C.Muniz, L.Zubcevic, M.S.P.Sansom, C.Venien-Bryan, S.J.Tucker, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	89.80 / 3.05
Space group	P 4 21 2
Cell size a, b, c (Å), α, β, γ (°)	106.240, 106.240, 89.800, 90.00, 90.00, 90.00
R / Rfree (%)	22.04 / 25.89

The structure of X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate. also contains other interesting chemical elements:

Potassium

(K)

5 atoms

The binding sites of Chlorine atom in the X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate. (pdb code 3zrs). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate., PDB code: 3zrs:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in the X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate.


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate. within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl1301 b:36.5 occ:0.25 CL A:CL1302 2.8 54.5 0.2 NE A:ARG129 3.6 23.6 1.0 CG A:ARG129 3.9 31.3 1.0 CD A:ARG129 4.1 27.5 1.0 CZ A:ARG129 4.6 46.1 1.0 NH2 A:ARG129 4.8 45.1 1.0

Chlorine binding site 2 out of 2 in the X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate.


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of X-Ray Crystal Structure of A Kirbac Potassium Channel Highlights A Mechanism of Channel Opening at the Bundle-Crossing Gate. within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl1302 b:54.5 occ:0.25 CL A:CL1301 2.8 36.5 0.2 NH2 A:ARG129 3.1 45.1 1.0 NE A:ARG129 3.5 23.6 1.0 CZ A:ARG129 3.7 46.1 1.0 CD A:ARG129 4.8 27.5 1.0

V.N.Bavro, R.De Zorzi, M.R.Schmidt, J.R.C.Muniz, L.Zubcevic, M.S.P.Sansom, C.Venien-Bryan, S.J.Tucker. Structure of A Kirbac Potassium Channel with An Open Bundle Crossing Indicates A Mechanism of Channel Gating Nat.Struct.Mol.Biol. V. 19 158 2012.
ISSN: ISSN 1545-9993
PubMed: 22231399
DOI: 10.1038/NSMB.2208