Mercury in PDB 1b3q: Crystal Structure of Chea-289, A Signal Transducing Histidine Kinase

The structure of Crystal Structure of Chea-289, A Signal Transducing Histidine Kinase, PDB code: 1b3q was solved by A.M.Bilwes, L.A.Alex, B.R.Crane, M.I.Simon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.60
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	61.800, 126.500, 75.100, 90.00, 95.60, 90.00
R / Rfree (%)	21.3 / 28.5

The binding sites of Mercury atom in the Crystal Structure of Chea-289, A Signal Transducing Histidine Kinase (pdb code 1b3q). This binding sites where shown within 5.0 Angstroms radius around Mercury atom.
In total 2 binding sites of Mercury where determined in the Crystal Structure of Chea-289, A Signal Transducing Histidine Kinase, PDB code: 1b3q:
Jump to Mercury binding site number: 1; 2;

Mercury binding site 1 out of 2 in the Crystal Structure of Chea-289, A Signal Transducing Histidine Kinase


Mono view


Stereo pair view

A full contact list of Mercury with other atoms in the Hg binding site number 1 of Crystal Structure of Chea-289, A Signal Transducing Histidine Kinase within 5.0Å range: probe atom residue distance (Å) B Occ A:Hg998 b:78.5 occ:1.00 O A:HOH1159 2.1 14.6 1.0 SG A:CYS545 2.7 23.5 1.0 OD1 A:ASP634 3.4 37.0 1.0 C A:ASP633 3.5 41.0 1.0 N A:ASP634 3.5 35.4 1.0 CG A:ASP634 3.6 35.5 1.0 N A:ASP633 3.6 46.9 1.0 CA A:ASP633 3.7 43.6 1.0 OD2 A:ASP634 3.7 37.8 1.0 O A:ASP633 3.9 41.6 1.0 CB A:GLN632 4.0 52.8 1.0 CB A:CYS545 4.0 31.0 1.0 CA A:ASP634 4.2 31.1 1.0 NE2 A:GLN632 4.2 65.3 1.0 C A:GLN632 4.2 47.9 1.0 NH2 A:ARG319 4.4 55.8 1.0 CB A:ASP634 4.4 32.7 1.0 CD A:GLN632 4.5 65.3 1.0 CA A:CYS545 4.5 37.6 1.0 O A:GLN632 4.7 51.0 1.0 CG A:GLN632 4.8 60.5 1.0 CA A:GLN632 4.8 49.3 1.0 OE1 A:GLN632 4.9 70.7 1.0

Mercury binding site 2 out of 2 in the Crystal Structure of Chea-289, A Signal Transducing Histidine Kinase


Mono view


Stereo pair view

A full contact list of Mercury with other atoms in the Hg binding site number 2 of Crystal Structure of Chea-289, A Signal Transducing Histidine Kinase within 5.0Å range: probe atom residue distance (Å) B Occ B:Hg999 b:100.0 occ:1.00 O B:HOH1193 2.7 17.5 1.0 SG B:CYS545 3.2 54.4 1.0 OD1 B:ASP634 3.4 53.7 1.0 C B:ASP633 3.4 61.0 1.0 N B:ASP633 3.5 65.6 1.0 CG B:ASP634 3.6 51.7 1.0 N B:ASP634 3.6 58.9 1.0 OD2 B:ASP634 3.6 56.1 1.0 CA B:ASP633 3.7 62.6 1.0 O B:ASP633 3.7 59.1 1.0 OE1 B:GLN632 3.9 72.5 1.0 CB B:GLN632 4.0 66.9 1.0 CA B:ASP634 4.2 53.7 1.0 CB B:CYS545 4.3 47.2 1.0 C B:GLN632 4.4 67.6 1.0 CB B:ASP634 4.4 52.7 1.0 CD B:GLN632 4.6 72.8 1.0 CA B:CYS545 4.6 42.5 1.0 O B:HOH1194 4.7 65.3 1.0 CA B:GLN632 4.8 67.2 1.0 CG B:GLN632 4.9 69.1 1.0

A.M.Bilwes, L.A.Alex, B.R.Crane, M.I.Simon. Structure of Chea, A Signal-Transducing Histidine Kinase. Cell(Cambridge,Mass.) V. 96 131 1999.
ISSN: ISSN 0092-8674
PubMed: 9989504
DOI: 10.1016/S0092-8674(00)80966-6