Zinc in PDB 6a7w: Structure of A Catalytic Domain of the Colistin Resistance Enzyme

The structure of Structure of A Catalytic Domain of the Colistin Resistance Enzyme, PDB code: 6a7w was solved by X.D.Wang, Y.Chai, J.X.Qi, G.F.Gao, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	41.15 / 2.99
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	46.443, 82.296, 79.914, 90.00, 97.39, 90.00
R / Rfree (%)	18 / 22

The binding sites of Zinc atom in the Structure of A Catalytic Domain of the Colistin Resistance Enzyme (pdb code 6a7w). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Structure of A Catalytic Domain of the Colistin Resistance Enzyme, PDB code: 6a7w:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Structure of A Catalytic Domain of the Colistin Resistance Enzyme


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 Catalytic Domain of the Colistin Resistance Enzyme within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn801 b:60.9 occ:1.00 NE2 A:HIS464 2.0 42.1 1.0 OG1 A:THR283 2.1 41.5 1.0 OD2 A:ASP463 2.1 46.5 1.0 CD A:GLU244 2.1 47.8 1.0 OE1 A:GLU244 2.1 57.7 1.0 OE2 A:GLU244 2.1 49.8 1.0 CE1 A:HIS464 2.7 39.6 1.0 CG A:ASP463 2.8 46.5 1.0 OD1 A:ASP463 2.8 47.2 1.0 CD2 A:HIS464 2.9 38.2 1.0 CG A:GLU244 3.3 41.8 1.0 CB A:THR283 3.3 50.9 1.0 N A:THR283 3.5 46.3 1.0 ND1 A:HIS464 3.7 38.2 1.0 CA A:THR283 3.7 47.8 1.0 CG A:HIS464 3.8 38.2 1.0 CG2 A:THR283 3.9 59.6 1.0 CB A:GLU244 4.1 46.7 1.0 C A:SER282 4.1 26.4 1.0 N A:THR245 4.2 36.9 1.0 CB A:ASP463 4.2 43.9 1.0 CA A:GLU244 4.3 46.8 1.0 OG1 A:THR245 4.3 40.3 1.0 NE2 A:HIS476 4.3 59.6 1.0 CD2 A:HIS393 4.5 56.2 1.0 O A:SER282 4.7 26.4 1.0 C A:GLU244 4.7 45.2 1.0 CD2 A:HIS476 4.8 50.6 1.0 CA A:SER282 4.8 28.8 1.0 CE1 A:HIS476 4.8 55.1 1.0 N A:HIS464 4.9 33.2 1.0 NE2 A:HIS393 5.0 57.4 1.0

Zinc binding site 2 out of 2 in the Structure of A Catalytic Domain of the Colistin Resistance Enzyme


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Structure of A Catalytic Domain of the Colistin Resistance Enzyme within 5.0Å range: probe atom residue distance (Å) B Occ B:Zn801 b:62.5 occ:1.00 NE2 B:HIS464 2.0 48.3 1.0 OG1 B:THR283 2.1 43.7 1.0 OE2 B:GLU244 2.1 43.2 1.0 OD2 B:ASP463 2.1 65.1 1.0 OE1 B:GLU244 2.1 45.6 1.0 CD B:GLU244 2.3 39.3 1.0 CD2 B:HIS464 2.5 39.8 1.0 CG B:ASP463 2.6 61.9 1.0 OD1 B:ASP463 2.7 61.2 1.0 CE1 B:HIS464 2.9 45.3 1.0 N B:THR283 3.2 44.7 1.0 CB B:THR283 3.4 47.1 1.0 CG B:HIS464 3.5 37.0 1.0 ND1 B:HIS464 3.7 45.0 1.0 CA B:THR283 3.7 44.6 1.0 CG B:GLU244 3.8 31.9 1.0 C B:SER282 3.9 40.1 1.0 CB B:ASP463 4.0 58.3 1.0 N B:THR245 4.3 34.8 1.0 CG2 B:THR283 4.3 49.8 1.0 OG1 B:THR245 4.3 37.5 1.0 NE2 B:HIS476 4.4 43.7 1.0 CA B:GLU244 4.4 31.6 1.0 CA B:SER282 4.4 41.3 1.0 CB B:GLU244 4.5 31.1 1.0 O B:SER282 4.6 44.6 1.0 N B:HIS464 4.6 49.1 1.0 CE1 B:HIS476 4.7 49.9 1.0 CB B:HIS464 4.7 39.2 1.0 C B:GLU244 4.8 31.3 1.0 C B:ASP463 4.8 60.9 1.0 CA B:ASP463 5.0 54.0 1.0 CD2 B:HIS476 5.0 46.7 1.0

X.Wang, Q.Lu, J.Qi, Y.Chai, Y.Wang, G.F.Gao. Structural and Functional Insights Into Mcr-2 Mediated Colistin Resistance. Sci China Life Sci V. 61 1432 2018.
ISSN: ESSN 1869-1889
PubMed: 30194678
DOI: 10.1007/S11427-018-9363-4