Zinc in PDB 3i31: Hera Helicase Rna Binding Domain Is An Rrm Fold

The structure of Hera Helicase Rna Binding Domain Is An Rrm Fold, PDB code: 3i31 was solved by M.G.Rudolph, D.Klostermeier, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	34.22 / 1.80
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	37.516, 37.516, 136.890, 90.00, 90.00, 90.00
R / Rfree (%)	20 / 22.4

The structure of Hera Helicase Rna Binding Domain Is An Rrm Fold also contains other interesting chemical elements:

Sodium

(Na)

3 atoms

The binding sites of Zinc atom in the Hera Helicase Rna Binding Domain Is An Rrm Fold (pdb code 3i31). 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 Hera Helicase Rna Binding Domain Is An Rrm Fold, PDB code: 3i31:

Zinc binding site 1 out of 1 in the Hera Helicase Rna Binding Domain Is An Rrm Fold


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Hera Helicase Rna Binding Domain Is An Rrm Fold within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn1 b:46.8 occ:1.00 OE2 A:GLU468 1.9 44.2 1.0 O A:HOH515 2.1 28.2 1.0 O A:HOH23 2.5 47.8 1.0 CD A:GLU468 2.6 38.2 1.0 OE1 A:GLU468 2.8 31.1 1.0 O2 A:TRS511 3.6 44.1 1.0 N A:TRS511 3.8 44.7 1.0 O A:HOH32 3.8 55.7 1.0 O A:HOH33 4.0 57.1 1.0 C2 A:TRS511 4.0 58.2 1.0 CG A:GLU468 4.1 36.8 1.0 NA A:NA4 4.2 46.1 1.0 O A:HOH25 4.3 53.0 1.0 C A:TRS511 4.3 60.3 1.0 C1 A:TRS511 4.6 49.6 1.0

M.G.Rudolph, D.Klostermeier. The Thermus Thermophilus Dead Box Helicase Hera Contains A Modified Rna Recognition Motif Domain Loosely Connected to the Helicase Core. Rna V. 15 1993 2009.
ISSN: ISSN 1355-8382
PubMed: 19710183
DOI: 10.1261/RNA.1820009