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Potassium in PDB 6doc: Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C

Enzymatic activity of Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C

All present enzymatic activity of Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C:
3.1.26.4;

Protein crystallography data

The structure of Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C, PDB code: 6doc was solved by N.L.Samara, W.Yang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 23.47 / 1.50
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 81.379, 37.942, 61.905, 90.00, 96.31, 90.00
R / Rfree (%) 18.8 / 22.1

Other elements in 6doc:

The structure of Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C also contains other interesting chemical elements:

Magnesium (Mg) 2 atoms
Iodine (I) 4 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C (pdb code 6doc). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C, PDB code: 6doc:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in 6doc

Go back to Potassium Binding Sites List in 6doc
Potassium binding site 1 out of 3 in the Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K203

b:28.1
occ:0.10
O b:HOH102 0.4 33.3 0.9
H A:ARG195 2.1 48.4 0.9
O A:HOH340 2.6 37.1 1.0
OD1 A:ASP192 2.8 24.4 1.0
OP2 b:G6 2.9 28.2 1.0
N A:ARG195 2.9 40.3 0.9
H A:GLY194 3.1 32.3 1.0
O A:HOH303 3.1 24.5 0.3
HB2 A:ARG195 3.1 56.9 0.9
OD2 A:ASP192 3.3 25.0 1.0
H A:TYR193 3.3 28.5 1.0
O A:HOH318 3.4 27.2 1.0
N A:GLY194 3.4 26.9 1.0
CG A:ASP192 3.4 24.6 1.0
N A:LYS196 3.5 47.2 0.7
HB2 A:TYR193 3.5 37.4 1.0
NZ A:LYS196 3.6 24.4 0.7
OP3 b:C5 3.7 29.6 0.7
CA A:ARG195 3.7 40.6 0.9
CB A:ARG195 3.8 47.4 0.9
CG A:LYS196 3.8 29.4 0.7
C A:GLY194 3.9 48.9 1.0
N A:TYR193 3.9 23.7 1.0
MG A:MG201 3.9 20.7 1.0
C A:ARG195 3.9 45.1 0.9
C A:TYR193 4.0 35.0 1.0
CA A:GLY194 4.0 37.0 1.0
HG3 A:ARG195 4.0 42.2 0.9
P b:G6 4.0 25.5 1.0
HA2 A:GLY194 4.1 44.4 1.0
CA A:TYR193 4.2 27.1 1.0
CB A:TYR193 4.2 31.1 1.0
CB A:LYS196 4.2 37.6 0.7
O5' b:G6 4.4 32.0 1.0
CG A:ARG195 4.4 35.2 0.9
OP1 b:G6 4.4 24.8 1.0
CD A:LYS196 4.4 36.1 0.7
CA A:LYS196 4.5 47.2 0.7
HB3 A:TYR193 4.5 37.4 1.0
CE A:LYS196 4.5 26.5 0.7
HB3 A:ARG195 4.6 56.9 0.9
HA A:ARG195 4.6 48.7 0.9
HD2 A:ARG195 4.6 48.3 0.9
CB A:ASP192 4.8 23.1 1.0
O A:TYR193 4.8 34.1 1.0
C A:ASP192 4.8 25.0 1.0
HA3 A:GLY194 4.9 44.4 1.0
HA A:ASP192 4.9 24.5 1.0
O A:GLY194 5.0 55.6 1.0

Potassium binding site 2 out of 3 in 6doc

Go back to Potassium Binding Sites List in 6doc
Potassium binding site 2 out of 3 in the Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K217

b:21.6
occ:0.35
O b:HOH101 1.3 19.6 0.3
OP2 b:C5 2.5 22.8 0.7
O B:HOH210 2.6 34.3 1.0
OP2 b:C5 2.6 25.9 0.3
C5' B:U4 3.0 22.2 0.7
O A:HOH365 3.3 20.1 1.0
OD2 A:ASP132 3.3 34.3 1.0
HG1 A:THR183 3.5 25.7 1.0
O A:HOH309 3.5 21.1 1.0
O b:HOH103 3.5 30.5 1.0
O5' B:U4 3.5 26.5 0.3
HG21 A:THR183 3.6 29.9 1.0
P b:C5 3.6 22.9 0.3
OP1 B:U4 3.6 26.6 1.0
O3' B:U4 3.6 29.0 0.3
O5' B:U4 3.7 31.1 0.7
OE2 A:GLU188 3.7 48.7 1.0
P b:C5 3.7 27.0 0.7
C5' B:U4 3.7 31.5 0.3
C3' B:U4 3.8 34.8 0.3
CG A:ASP132 3.8 17.9 1.0
OE1 A:GLU188 3.8 53.1 1.0
HB2 A:ASP132 3.9 22.0 1.0
P B:U4 4.0 23.1 1.0
OP3 b:C5 4.1 29.6 0.7
CD A:GLU188 4.1 46.6 1.0
OP1 b:C5 4.2 30.2 0.3
OP1 b:C5 4.2 25.3 0.7
NZ A:LYS196 4.3 24.4 0.7
OG1 A:THR183 4.3 21.4 1.0
C4' B:U4 4.3 29.6 0.7
OP2 B:U4 4.3 27.8 1.0
C4' B:U4 4.3 29.6 0.3
CB A:ASP132 4.4 18.3 1.0
OD1 A:ASP132 4.4 19.4 1.0
CG2 A:THR183 4.4 24.9 1.0
O A:HOH303 4.5 24.5 0.3
C3' B:U4 4.5 29.6 0.7
CE A:LYS196 4.6 26.5 0.7
HG23 A:THR183 4.6 29.9 1.0
HB3 A:ASP132 4.6 22.0 1.0
MG A:MG201 4.8 20.7 1.0
CB A:THR183 4.8 24.3 1.0
MG A:MG202 4.9 18.9 1.0
O5' b:C5 5.0 27.4 0.3
HB A:THR183 5.0 29.2 1.0
O5' b:C5 5.0 24.9 0.7

Potassium binding site 3 out of 3 in 6doc

Go back to Potassium Binding Sites List in 6doc
Potassium binding site 3 out of 3 in the Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of Bacillus Halodurans Ribonuclease H1 in Complex with An Rna/Dna Hybrid: Reaction in 2 Mm MG2+ and 200 Mm K+ For 240 S at 21 C within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K101

b:35.6
occ:0.50
O C:HOH207 1.8 23.5 0.6
O6 C:DG5 2.7 28.6 1.0
O C:HOH213 3.0 31.6 1.0
O4 C:DT4 3.3 24.4 1.0
C6 C:DG5 3.8 27.4 1.0
N4 B:C2 4.1 28.4 1.0
C7 C:DT4 4.1 24.6 1.0
C4 C:DT4 4.1 22.4 1.0
N7 C:DG5 4.1 25.6 1.0
O C:HOH208 4.3 40.0 1.0
C5 C:DG5 4.3 24.1 1.0
N6 B:A3 4.5 23.0 1.0
C5 C:DT4 4.5 26.3 1.0
N6 B:A1 4.6 26.7 1.0
O B:HOH208 4.7 60.9 1.0
O B:HOH209 4.7 45.1 1.0
N1 C:DG5 5.0 25.9 1.0

Reference:

N.L.Samara, W.Yang. Cation Trafficking Propels Rna Hydrolysis. Nat. Struct. Mol. Biol. V. 25 715 2018.
ISSN: ESSN 1545-9985
PubMed: 30076410
DOI: 10.1038/S41594-018-0099-4
Page generated: Sat Aug 9 10:43:41 2025

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