Cobalt in PDB 2boc: Potassium Channel Kcsa-Fab Complex in Thallium with Tetraethylarsonium (Teas)

The structure of Potassium Channel Kcsa-Fab Complex in Thallium with Tetraethylarsonium (Teas), PDB code: 2boc was solved by M.J.Lenaeus, M.Vamvouka, P.J.Focia, A.Gross, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	25.00 / 3.01
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	154.680, 154.680, 76.190, 90.00, 90.00, 90.00
R / Rfree (%)	22.2 / 25

The structure of Potassium Channel Kcsa-Fab Complex in Thallium with Tetraethylarsonium (Teas) also contains other interesting chemical elements:

Arsenic	(As)	2 atoms
Thallium	(Tl)	4 atoms

The binding sites of Cobalt atom in the Potassium Channel Kcsa-Fab Complex in Thallium with Tetraethylarsonium (Teas) (pdb code 2boc). This binding sites where shown within 5.0 Angstroms radius around Cobalt atom.
In total only one binding site of Cobalt was determined in the Potassium Channel Kcsa-Fab Complex in Thallium with Tetraethylarsonium (Teas), PDB code: 2boc:

Cobalt binding site 1 out of 1 in the Potassium Channel Kcsa-Fab Complex in Thallium with Tetraethylarsonium (Teas)


Mono view


Stereo pair view

A full contact list of Cobalt with other atoms in the Co binding site number 1 of Potassium Channel Kcsa-Fab Complex in Thallium with Tetraethylarsonium (Teas) within 5.0Å range: probe atom residue distance (Å) B Occ C:Co205 b:27.2 occ:0.25 NE2 C:HIS124 2.4 60.5 1.0 CD2 C:HIS124 3.3 60.6 1.0 CE1 C:HIS124 3.3 60.6 1.0 ND1 C:HIS124 4.5 60.6 1.0 CG C:HIS124 4.5 60.6 1.0 NE2 C:GLN119 4.7 58.4 1.0

M.J.Lenaeus, M.Vamvouka, P.J.Focia, A.Gross. Structural Basis of Tea Blockade in A Model Potassium Channel Nat.Struct.Mol.Biol. V. 12 454 2005.
ISSN: ISSN 1545-9993
PubMed: 15852022
DOI: 10.1038/NSMB929