Zinc in PDB 4u4t: Structure of A Nitrate/Nitrite Antiporter Nark in Nitrate-Bound Inward-Open State

The structure of Structure of A Nitrate/Nitrite Antiporter Nark in Nitrate-Bound Inward-Open State, PDB code: 4u4t was solved by M.Fukuda, H.Takeda, H.E.Kato, S.Doki, K.Ito, A.D.Maturana, R.Ishitani, O.Nureki, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	41.30 / 2.40
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	35.394, 109.358, 126.040, 90.00, 90.00, 90.00
R / Rfree (%)	21.7 / 24.8

The binding sites of Zinc atom in the Structure of A Nitrate/Nitrite Antiporter Nark in Nitrate-Bound Inward-Open State (pdb code 4u4t). 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 Structure of A Nitrate/Nitrite Antiporter Nark in Nitrate-Bound Inward-Open State, PDB code: 4u4t:

Zinc binding site 1 out of 1 in the Structure of A Nitrate/Nitrite Antiporter Nark in Nitrate-Bound Inward-Open State


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Structure of A Nitrate/Nitrite Antiporter Nark in Nitrate-Bound Inward-Open State within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn502 b:0.0 occ:1.00 NE2 A:HIS460 2.0 62.2 1.0 NE2 A:HIS255 2.3 55.3 1.0 O A:HOH615 2.4 83.5 1.0 CE1 A:HIS460 2.4 64.5 1.0 O A:HOH620 2.6 68.1 1.0 CE1 A:HIS255 3.2 57.0 1.0 CD2 A:HIS255 3.3 52.6 1.0 CD2 A:HIS460 3.3 62.1 1.0 ND1 A:HIS460 3.7 64.4 1.0 CD A:ARG459 3.8 67.3 1.0 CG A:ARG459 4.1 66.6 1.0 NE A:ARG459 4.1 69.0 1.0 CG A:HIS460 4.1 63.3 1.0 ND1 A:HIS255 4.3 55.1 1.0 CG A:HIS255 4.4 52.2 1.0 CB A:ARG459 4.6 64.9 1.0

M.Fukuda, H.Takeda, H.E.Kato, S.Doki, K.Ito, A.D.Maturana, R.Ishitani, O.Nureki. Structural Basis For Dynamic Mechanism of Nitrate/Nitrite Antiport By Nark Nat Commun V. 6 7097 2015.
ISSN: ESSN 2041-1723
PubMed: 25959928
DOI: 10.1038/NCOMMS8097