Zinc in PDB 2c4r: Catalytic Domain of E. Coli Rnase E

The structure of Catalytic Domain of E. Coli Rnase E, PDB code: 2c4r was solved by M.J.Marcaida, A.J.Callaghan, B.F.Luisi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	25.00 / 3.60
Space group	P 62 2 2
Cell size a, b, c (Å), α, β, γ (°)	196.586, 196.586, 140.766, 90.00, 90.00, 120.00
R / Rfree (%)	31.9 / 34.7

The structure of Catalytic Domain of E. Coli Rnase E also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Zinc atom in the Catalytic Domain of E. Coli Rnase E (pdb code 2c4r). 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 Catalytic Domain of E. Coli Rnase E, PDB code: 2c4r:

Zinc binding site 1 out of 1 in the Catalytic Domain of E. Coli Rnase E


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Catalytic Domain of E. Coli Rnase E within 5.0Å range: probe atom residue distance (Å) B Occ L:Zn1512 b:85.0 occ:0.50 SG L:CYS407 2.3 85.0 1.0 SG L:CYS404 2.4 85.0 1.0 CB L:CYS404 2.4 78.8 1.0 CB L:CYS407 3.3 78.4 1.0 CA L:CYS404 3.8 65.5 1.0 O L:CYS404 4.0 69.7 1.0 N L:CYS407 4.1 74.8 1.0 C L:CYS404 4.2 66.0 1.0 CA L:GLY411 4.3 64.1 1.0 CA L:CYS407 4.3 78.1 1.0 N L:GLY411 4.7 66.5 1.0 CB L:ARG406 4.8 59.7 1.0 N L:CYS404 4.8 64.8 1.0 C L:ARG406 5.0 66.0 1.0

A.J.Callaghan, M.J.Marcaida, J.A.Stead, K.J.Mcdowall, W.G.Scott, B.F.Luisi. Structure of E. Coli Rnase E Catalytic Domain and Implications For Rna Processing and Turnover Nature V. 437 1187 2005.
ISSN: ISSN 0028-0836
PubMed: 16237448
DOI: 10.1038/NATURE04084