Copper in PDB 1a3z: Reduced Rusticyanin at 1.9 Angstroms

The structure of Reduced Rusticyanin at 1.9 Angstroms, PDB code: 1a3z was solved by D.Zhao, M.Shoham, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	100.00 / 1.90
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	32.450, 60.590, 38.080, 90.00, 108.02, 90.00
R / Rfree (%)	21.3 / 27.2

The binding sites of Copper atom in the Reduced Rusticyanin at 1.9 Angstroms (pdb code 1a3z). This binding sites where shown within 5.0 Angstroms radius around Copper atom.
In total only one binding site of Copper was determined in the Reduced Rusticyanin at 1.9 Angstroms, PDB code: 1a3z:

Copper binding site 1 out of 1 in the Reduced Rusticyanin at 1.9 Angstroms


Mono view


Stereo pair view

A full contact list of Copper with other atoms in the Cu binding site number 1 of Reduced Rusticyanin at 1.9 Angstroms within 5.0Å range: probe atom residue distance (Å) B Occ A:Cu156 b:17.9 occ:1.00 ND1 A:HIS143 2.0 18.0 1.0 ND1 A:HIS85 2.2 12.2 1.0 SG A:CYS138 2.3 9.1 1.0 SD A:MET148 2.7 9.9 1.0 CE1 A:HIS143 2.8 19.6 1.0 CG A:HIS143 3.1 18.0 1.0 CE1 A:HIS85 3.2 13.6 1.0 CG A:HIS85 3.2 13.3 1.0 CB A:CYS138 3.2 14.0 1.0 CB A:HIS85 3.5 10.7 1.0 CE A:MET148 3.5 9.4 1.0 CB A:HIS143 3.5 12.7 1.0 CD1 A:ILE140 3.7 17.0 1.0 CA A:HIS85 3.8 11.9 1.0 NE2 A:HIS143 4.0 17.3 1.0 CB A:ILE140 4.1 18.6 1.0 CG1 A:ILE140 4.1 15.1 1.0 CD2 A:HIS143 4.1 16.3 1.0 NE2 A:HIS85 4.3 10.7 1.0 CD2 A:HIS85 4.3 11.9 1.0 CG A:MET148 4.4 10.8 1.0 CA A:CYS138 4.6 12.1 1.0 N A:SER86 4.7 13.3 1.0 N A:HIS85 4.8 14.6 1.0 CB A:MET148 4.8 14.5 1.0 CB A:PRO52 4.8 16.6 1.0 C A:HIS85 4.9 12.7 1.0 N A:ILE140 4.9 17.2 1.0

D.Zhao, M.Shoham. Rusticyanin: Extremes in Acid Stability and Redox Potential Explained By the Crystal Structure. Biophys.J. V. 74 233 1998.
ISSN: ISSN 0006-3495