Calcium in PDB 3bnf: W. Succinogenes Nrfa Sulfite Complex

All present enzymatic activity of W. Succinogenes Nrfa Sulfite Complex:
1.7.2.2;

The structure of W. Succinogenes Nrfa Sulfite Complex, PDB code: 3bnf was solved by P.Lukat, O.Einsle, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	22.31 / 1.70
Space group	I 41 2 2
Cell size a, b, c (Å), α, β, γ (°)	119.500, 119.500, 186.674, 90.00, 90.00, 90.00
R / Rfree (%)	23.3 / 28

The structure of W. Succinogenes Nrfa Sulfite Complex also contains other interesting chemical elements:

Iron	(Fe)	5 atoms
Yttrium	(Y)	3 atoms

The binding sites of Calcium atom in the W. Succinogenes Nrfa Sulfite Complex (pdb code 3bnf). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the W. Succinogenes Nrfa Sulfite Complex, PDB code: 3bnf:

Calcium binding site 1 out of 1 in the W. Succinogenes Nrfa Sulfite Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of W. Succinogenes Nrfa Sulfite Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca513 b:29.6 occ:1.00 O A:LYS274 2.3 23.4 1.0 O A:HOH590 2.4 24.7 1.0 OE1 A:GLU217 2.4 27.2 1.0 OE1 A:GLN276 2.4 31.6 1.0 O A:HOH706 2.5 29.9 1.0 O A:TYR218 2.5 23.6 1.0 OE2 A:GLU217 2.6 25.4 1.0 CD A:GLU217 2.8 29.3 1.0 CD A:GLN276 3.4 30.9 1.0 C A:LYS274 3.5 22.6 1.0 C A:TYR218 3.7 24.6 1.0 NE2 A:GLN276 3.8 30.8 1.0 OH A:TYR255 3.8 23.2 1.0 OD2 A:ASP262 4.2 21.9 1.0 N A:TYR218 4.2 23.9 1.0 N A:GLN276 4.3 22.9 1.0 CG A:GLU217 4.3 25.8 1.0 N A:ALA275 4.3 22.8 1.0 CA A:ALA275 4.4 23.1 1.0 CA A:LYS274 4.5 22.4 1.0 CB A:LYS274 4.5 20.7 1.0 C A:ALA275 4.5 23.8 1.0 N A:TYR219 4.6 24.2 1.0 CA A:TYR219 4.6 25.7 1.0 CA A:TYR218 4.6 23.1 1.0 CB A:TYR219 4.7 27.2 1.0 CZ A:TYR255 4.7 26.5 1.0 CG A:GLN276 4.7 25.7 1.0 OD1 A:ASP262 4.7 23.2 1.0 N A:LYS274 4.8 21.4 1.0 CZ3 A:TRP391 4.8 23.5 1.0 CG A:ASP262 4.8 24.2 1.0 O A:HOH515 4.8 39.0 1.0 CB A:GLN276 4.9 24.5 1.0

P.Lukat, M.Rudolf, P.Stach, A.Messerschmidt, P.M.H.Kroneck, J.Simon, O.Einsle. Binding and Reduction of Sulfite By Cytochrome C Nitrite Reductase Biochemistry V. 47 2080 2008.
ISSN: ISSN 0006-2960
PubMed: 18201106
DOI: 10.1021/BI7021415