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Copper in PDB 6d42: Crystal Structure of the KCA3.1 C-Terminal Four-Helix Bundle (with Copper)

Protein crystallography data

The structure of Crystal Structure of the KCA3.1 C-Terminal Four-Helix Bundle (with Copper), PDB code: 6d42 was solved by S.R.Hubbard, T.Ji, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 27.06 / 1.75
Space group P 4 21 2
Cell size a, b, c (Å), α, β, γ (°) 37.590, 37.590, 116.946, 90.00, 90.00, 90.00
R / Rfree (%) 25.2 / 32.3

Copper Binding Sites:

The binding sites of Copper atom in the Crystal Structure of the KCA3.1 C-Terminal Four-Helix Bundle (with Copper) (pdb code 6d42). This binding sites where shown within 5.0 Angstroms radius around Copper atom.
In total 2 binding sites of Copper where determined in the Crystal Structure of the KCA3.1 C-Terminal Four-Helix Bundle (with Copper), PDB code: 6d42:
Jump to Copper binding site number: 1; 2;

Copper binding site 1 out of 2 in 6d42

Go back to Copper Binding Sites List in 6d42
Copper binding site 1 out of 2 in the Crystal Structure of the KCA3.1 C-Terminal Four-Helix Bundle (with Copper)


Mono view


Stereo pair view

A full contact list of Copper with other atoms in the Cu binding site number 1 of Crystal Structure of the KCA3.1 C-Terminal Four-Helix Bundle (with Copper) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cu501

b:29.1
occ:0.25
NE2 A:HIS389 2.1 35.2 1.0
O A:HOH623 2.4 15.5 0.2
CD2 A:HIS389 3.1 29.9 1.0
CE1 A:HIS389 3.1 33.4 1.0
ND1 A:HIS389 4.2 31.3 1.0
CG A:HIS389 4.2 38.2 1.0

Copper binding site 2 out of 2 in 6d42

Go back to Copper Binding Sites List in 6d42
Copper binding site 2 out of 2 in the Crystal Structure of the KCA3.1 C-Terminal Four-Helix Bundle (with Copper)


Mono view


Stereo pair view

A full contact list of Copper with other atoms in the Cu binding site number 2 of Crystal Structure of the KCA3.1 C-Terminal Four-Helix Bundle (with Copper) within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cu501

b:29.9
occ:0.25
NE2 B:HIS389 2.0 31.6 1.0
O B:HOH610 2.4 16.4 0.2
CE1 B:HIS389 3.0 36.3 1.0
CD2 B:HIS389 3.0 33.4 1.0
ND1 B:HIS389 4.1 33.2 1.0
CG B:HIS389 4.1 32.9 1.0

Reference:

T.Ji, S.Corbalan-Garcia, S.R.Hubbard. Crystal Structure of the C-Terminal Four-Helix Bundle of the Potassium Channel KCA3.1. Plos One V. 13 99942 2018.
ISSN: ESSN 1932-6203
PubMed: 29953543
DOI: 10.1371/JOURNAL.PONE.0199942
Page generated: Sun Dec 13 11:22:07 2020

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