Zinc in PDB 1b71: Rubrerythrin

The structure of Rubrerythrin, PDB code: 1b71 was solved by L.C.Sieker, M.Holmes, I.Le Trong, S.Turley, B.D.Santarsiero, M.-Y.Liu, J.Legall, R.E.Stenkamp, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 1.90
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	49.300, 81.300, 100.100, 90.00, 90.00, 90.00
R / Rfree (%)	19.5 / n/a

The structure of Rubrerythrin also contains other interesting chemical elements:

Iron

(Fe)

2 atoms

The binding sites of Zinc atom in the Rubrerythrin (pdb code 1b71). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Rubrerythrin, PDB code: 1b71:

Zinc binding site 1 out of 1 in the Rubrerythrin


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Rubrerythrin within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn194 b:32.8 occ:0.60 OE2 A:GLU20 2.1 22.5 0.6 OE2 A:GLU128 2.1 42.6 1.0 OE2 A:GLU53 2.1 30.3 1.0 ND1 A:HIS56 2.2 14.9 1.0 OE1 A:GLU20 2.6 35.7 0.6 CD A:GLU20 2.7 25.6 0.6 CD A:GLU53 2.7 26.9 1.0 CD A:GLU128 2.9 35.6 1.0 OE1 A:GLU53 2.9 26.8 1.0 OE1 A:GLU128 2.9 35.8 1.0 O A:HOH196 3.0 34.5 1.0 CE1 A:HIS56 3.1 16.9 1.0 CG A:HIS56 3.3 15.4 1.0 FE A:FE193 3.6 38.2 0.8 CB A:HIS56 3.7 9.1 1.0 CG A:GLU53 4.0 17.4 1.0 CG2 A:ILE124 4.1 19.3 1.0 CG A:GLU20 4.1 18.3 1.0 CA A:GLU53 4.2 10.2 1.0 NE2 A:HIS56 4.2 15.2 1.0 CG A:GLU128 4.3 23.1 1.0 CB A:GLU53 4.4 7.8 1.0 CD2 A:HIS56 4.4 16.3 1.0 CD A:GLU20 4.4 13.2 0.4 OE1 A:GLU20 4.6 31.9 0.4 O A:HOH365 4.7 86.9 1.0 CE1 A:HIS131 4.7 24.4 1.0 OE1 A:GLU97 4.7 36.1 1.0 CB A:GLU20 4.8 14.3 1.0 ND1 A:HIS131 4.8 27.7 1.0 N A:GLU53 4.9 2.9 1.0 O A:GLN52 5.0 10.2 1.0 OE1 A:GLU94 5.0 48.9 1.0

L.C.Sieker, M.Holmes, I.Le Trong, S.Turley, B.D.Santarsiero, M.Y.Liu, J.Legall, R.E.Stenkamp. Alternative Metal-Binding Sites in Rubrerythrin. Nat.Struct.Biol. V. 6 308 1999.
ISSN: ISSN 1072-8368
PubMed: 10201393
DOI: 10.1038/7538