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Mercury in PDB 1tlf: Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping

Protein crystallography data

The structure of Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping, PDB code: 1tlf was solved by A.M.Friedman, T.O.Fischmann, T.A.Steitz, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) N/A / 2.60
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 90.160, 64.730, 117.940, 90.00, 91.75, 90.00
R / Rfree (%) 22.2 / n/a

Mercury Binding Sites:

The binding sites of Mercury atom in the Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping (pdb code 1tlf). This binding sites where shown within 5.0 Angstroms radius around Mercury atom.
In total 4 binding sites of Mercury where determined in the Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping, PDB code: 1tlf:
Jump to Mercury binding site number: 1; 2; 3; 4;

Mercury binding site 1 out of 4 in 1tlf

Go back to Mercury Binding Sites List in 1tlf
Mercury binding site 1 out of 4 in the Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping


Mono view


Stereo pair view

A full contact list of Mercury with other atoms in the Hg binding site number 1 of Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Hg999

b:69.2
occ:1.00
SG A:CYS281 2.5 31.1 1.0
O A:SER280 2.8 27.5 1.0
C A:SER280 3.4 14.8 1.0
CA A:CYS281 3.6 30.6 1.0
SD B:MET223 3.6 37.2 1.0
CB A:CYS281 3.7 31.1 1.0
OG A:SER280 3.7 27.5 1.0
N A:CYS281 3.8 30.6 1.0
CE B:MET223 4.0 37.2 1.0
CD2 B:PHE226 4.1 26.2 1.0
CG B:PHE226 4.1 26.2 1.0
NH1 B:ARG255 4.2 43.8 1.0
HH11 B:ARG255 4.2 0.0 1.0
CB B:PHE226 4.2 26.2 1.0
CB A:SER280 4.3 27.5 1.0
HH12 B:ARG255 4.3 0.0 1.0
CG B:ARG255 4.4 43.8 1.0
HG A:SER280 4.4 30.0 1.0
CA A:SER280 4.5 14.8 1.0
CZ B:ARG255 4.5 43.8 1.0
H A:CYS281 4.6 0.0 1.0
CE2 B:PHE226 4.7 26.2 1.0
CD1 B:PHE226 4.7 26.2 1.0
NE B:ARG255 4.9 43.8 1.0
CA B:MET223 4.9 17.7 1.0
NH2 B:ARG255 4.9 43.8 1.0
O B:ALA222 5.0 23.8 1.0
C A:CYS281 5.0 30.6 1.0

Mercury binding site 2 out of 4 in 1tlf

Go back to Mercury Binding Sites List in 1tlf
Mercury binding site 2 out of 4 in the Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping


Mono view


Stereo pair view

A full contact list of Mercury with other atoms in the Hg binding site number 2 of Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Hg999

b:50.7
occ:1.00
CB B:CYS281 2.2 33.1 1.0
SG B:CYS281 2.6 33.1 1.0
SD A:MET223 3.2 23.7 1.0
CA B:CYS281 3.3 26.7 1.0
OG B:SER280 3.3 27.8 1.0
O B:SER280 3.4 27.8 1.0
HH11 A:ARG255 3.4 0.0 1.0
N B:CYS281 3.4 26.7 1.0
C B:SER280 3.5 14.3 1.0
HG B:SER280 3.7 30.0 1.0
CE A:MET223 3.9 23.7 1.0
H B:CYS281 4.0 0.0 1.0
NH1 A:ARG255 4.0 34.4 1.0
HH12 A:ARG255 4.1 0.0 1.0
CG A:PHE226 4.2 15.3 1.0
CD2 A:PHE226 4.2 15.3 1.0
CB B:SER280 4.2 27.8 1.0
CG A:ARG255 4.3 34.4 1.0
CB A:PHE226 4.3 15.3 1.0
CA B:SER280 4.5 14.3 1.0
C B:CYS281 4.6 26.7 1.0
CD1 A:PHE226 4.6 15.3 1.0
CE2 A:PHE226 4.6 15.3 1.0
CA A:MET223 4.8 39.8 1.0
CG A:MET223 4.8 23.7 1.0
O B:CYS281 5.0 33.1 1.0

Mercury binding site 3 out of 4 in 1tlf

Go back to Mercury Binding Sites List in 1tlf
Mercury binding site 3 out of 4 in the Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping


Mono view


Stereo pair view

A full contact list of Mercury with other atoms in the Hg binding site number 3 of Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Hg999

b:51.3
occ:1.00
HE D:ARG255 3.1 0.0 1.0
N C:CYS281 3.5 16.0 1.0
CB C:CYS281 3.6 38.6 1.0
SD D:MET223 3.6 27.1 1.0
CA C:CYS281 3.6 16.0 1.0
C C:SER280 3.8 10.0 1.0
CB C:SER280 3.8 22.7 1.0
CG D:PHE226 3.8 6.8 1.0
CE D:MET223 3.8 27.1 1.0
H C:CYS281 3.9 0.0 1.0
O C:SER280 3.9 22.7 1.0
CB D:PHE226 3.9 6.8 1.0
NE D:ARG255 4.0 29.2 1.0
CD1 D:PHE226 4.1 6.8 1.0
CG D:ARG255 4.1 29.2 1.0
CD2 D:PHE226 4.3 6.8 1.0
CD D:ARG255 4.4 29.2 1.0
OG C:SER280 4.5 22.7 1.0
CA C:SER280 4.5 10.0 1.0
HH21 D:ARG255 4.5 0.0 1.0
CE1 D:PHE226 4.7 6.8 1.0
CA D:MET223 4.8 2.0 1.0
CE2 D:PHE226 4.9 6.8 1.0
O D:ALA222 4.9 9.8 1.0

Mercury binding site 4 out of 4 in 1tlf

Go back to Mercury Binding Sites List in 1tlf
Mercury binding site 4 out of 4 in the Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping


Mono view


Stereo pair view

A full contact list of Mercury with other atoms in the Hg binding site number 4 of Unprecedented Quaternary Structure of E. Coli Lac Repressor Core Tetramer: Implications For Dna Looping within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Hg999

b:48.1
occ:1.00
SG D:CYS281 2.3 25.4 1.0
H D:CYS281 2.9 0.0 1.0
N D:CYS281 3.1 2.0 1.0
HH11 C:ARG255 3.2 0.0 1.0
CA D:CYS281 3.3 2.0 1.0
CB D:CYS281 3.4 25.4 1.0
NH1 C:ARG255 3.6 32.9 1.0
HH12 C:ARG255 3.7 0.0 1.0
SD C:MET223 3.7 27.1 1.0
OG D:SER280 3.9 22.9 1.0
CD2 C:PHE226 4.0 13.5 1.0
CG C:PHE226 4.0 13.5 1.0
CG C:ARG255 4.0 32.9 1.0
C D:SER280 4.0 7.5 1.0
CB D:SER280 4.1 22.9 1.0
CB C:PHE226 4.2 13.5 1.0
CE2 C:PHE226 4.5 13.5 1.0
CD1 C:PHE226 4.5 13.5 1.0
CZ C:ARG255 4.6 32.9 1.0
CA D:SER280 4.7 7.5 1.0
O D:SER280 4.7 22.9 1.0
C D:CYS281 4.8 2.0 1.0
HG D:SER280 4.8 30.0 1.0
CA C:MET223 4.8 26.6 1.0
CD C:ARG255 4.9 32.9 1.0
CB C:ARG255 4.9 32.9 1.0
CZ C:PHE226 5.0 13.5 1.0
CE1 C:PHE226 5.0 13.5 1.0

Reference:

A.M.Friedman, T.O.Fischmann, T.A.Steitz. Crystal Structure of Lac Repressor Core Tetramer and Its Implications For Dna Looping. Science V. 268 1721 1995.
ISSN: ISSN 0036-8075
PubMed: 7792597
Page generated: Wed Oct 28 18:40:45 2020

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