Potassium in PDB 4e8k: Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate

The structure of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate, PDB code: 4e8k was solved by M.Marcia, A.M.Pyle, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.11 / 3.03
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	88.447, 96.247, 224.354, 90.00, 90.00, 90.00
R / Rfree (%)	19.5 / 23.5

The structure of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate also contains other interesting chemical elements:

Calcium

(Ca)

26 atoms

Pages:

>>> Page 1 <<< Page 2, Binding sites: 11 - 18;

Binding sites:

The binding sites of Potassium atom in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate (pdb code 4e8k). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 18 binding sites of Potassium where determined in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate, PDB code: 4e8k:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Potassium binding site 1 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K425 b:0.2 occ:1.00 O A:HOH919 2.5 69.7 1.0 O6 A:G275 2.6 96.5 1.0 O A:HOH920 3.3 84.1 1.0 C6 A:G275 3.6 87.9 1.0 O6 A:G274 3.8 65.5 1.0 K A:K428 3.8 0.4 1.0 O4 A:U273 3.8 60.1 1.0 N7 A:G274 4.0 75.0 1.0 C4 A:U273 4.2 63.6 1.0 C5 A:G275 4.4 88.6 1.0 C5 A:U273 4.4 63.4 1.0 N7 A:G275 4.5 88.6 1.0 N1 A:G275 4.5 84.8 1.0 C6 A:G274 4.6 68.9 1.0 C5 A:G274 4.6 70.9 1.0

Potassium binding site 2 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K426 b:85.0 occ:1.00 O2' A:U375 2.9 49.6 1.0 O6 A:G107 2.9 60.3 1.0 OP2 A:A376 3.0 70.4 1.0 O4 A:U4 3.0 88.1 1.0 O3' A:U375 3.3 45.1 1.0 O6 A:G3 3.5 85.9 1.0 P A:A376 3.5 50.1 1.0 C4 A:U4 3.8 82.7 1.0 N3 A:U4 3.8 79.7 1.0 K A:K434 3.8 66.0 1.0 C2' A:U375 4.0 51.2 1.0 C6 A:G107 4.0 67.0 1.0 OP1 A:A376 4.1 48.5 1.0 C3' A:U375 4.2 49.5 1.0 N7 A:G107 4.4 75.1 1.0 N1 A:G5 4.4 60.4 1.0 C6 A:G3 4.5 82.8 1.0 C5 A:G107 4.6 71.8 1.0 N7 A:G3 4.6 76.5 1.0 C4' A:U375 4.7 49.7 1.0 O6 A:G5 4.8 56.6 1.0 C5 A:G3 4.9 79.7 1.0 C6 A:G5 5.0 66.3 1.0 O5' A:A376 5.0 44.7 1.0

Potassium binding site 3 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K427 b:0.0 occ:1.00 O4 A:U256 2.8 0.6 1.0 O4 A:U255 3.1 0.7 1.0 O6 A:G15 3.1 71.6 1.0 O6 A:G16 3.4 81.5 1.0 O A:HOH906 3.6 0.9 1.0 C4 A:U256 3.8 94.0 1.0 N3 A:U256 4.1 86.3 1.0 C4 A:U255 4.1 0.9 1.0 C6 A:G15 4.2 72.9 1.0 O6 A:G14 4.3 79.2 1.0 C6 A:G16 4.4 81.5 1.0 N3 A:U255 4.5 0.0 1.0 N7 A:G15 4.7 79.7 1.0 N7 A:G16 4.7 84.0 1.0 C5 A:G15 4.8 72.9 1.0 C5 A:G16 4.9 81.2 1.0 N4 A:C257 4.9 75.3 1.0

Potassium binding site 4 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K428 b:0.4 occ:1.00 O A:HOH920 2.4 84.1 1.0 O6 A:G275 2.9 96.5 1.0 O A:HOH919 3.0 69.7 1.0 N7 A:G275 3.4 88.6 1.0 C6 A:G275 3.5 87.9 1.0 OP1 A:A277 3.6 82.5 1.0 C5 A:G275 3.7 88.6 1.0 K A:K425 3.8 0.2 1.0 OP2 A:A277 4.1 80.5 1.0 P A:A277 4.4 83.3 1.0 C8 A:G275 4.5 91.5 1.0 N1 A:G275 4.7 84.8 1.0 C4 A:G275 5.0 87.6 1.0

Potassium binding site 5 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K429 b:87.6 occ:1.00 OP2 A:G269 2.7 80.4 1.0 O6 A:G270 3.0 67.7 1.0 O5' A:A268 3.0 67.1 1.0 OP2 A:A268 3.2 78.3 1.0 N7 A:G269 3.3 67.0 1.0 O A:HOH918 3.5 82.7 1.0 C8 A:G269 3.6 72.2 1.0 P A:A268 3.6 76.6 1.0 N7 A:G270 3.7 72.2 1.0 O A:HOH907 3.7 51.2 1.0 C6 A:G270 3.8 65.0 1.0 P A:G269 3.9 90.8 1.0 C5 A:G270 4.1 64.8 1.0 C3' A:A268 4.2 84.1 1.0 O5' A:G269 4.2 89.0 1.0 C5' A:A268 4.2 73.9 1.0 N2 A:G284 4.3 69.1 1.0 OP1 A:A268 4.4 77.5 1.0 O3' A:A268 4.5 95.0 1.0 C5 A:G269 4.5 64.3 1.0 C4' A:A268 4.7 78.6 1.0 N6 A:A283 4.8 58.8 1.0 N1 A:G284 4.8 62.7 1.0 C8 A:G270 4.9 76.5 1.0 N9 A:G269 4.9 69.8 1.0 C2 A:G284 5.0 63.7 1.0

Potassium binding site 6 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K430 b:84.2 occ:1.00 O6 A:G28 2.8 60.6 1.0 N7 A:G28 3.1 73.2 1.0 C6 A:G28 3.5 65.2 1.0 C5 A:G28 3.6 68.5 1.0 OP1 A:A25 4.1 84.7 1.0 OP2 A:A27 4.2 0.8 1.0 C8 A:G28 4.3 72.2 1.0 OP1 A:U26 4.4 91.7 1.0 N2 A:G41 4.5 76.1 1.0 C5' A:A25 4.5 86.1 1.0 O6 A:G29 4.7 66.3 1.0 O5' A:A25 4.7 78.7 1.0 C3' A:A25 4.8 71.7 1.0 N1 A:G28 4.9 60.1 1.0 N7 A:G29 4.9 67.0 1.0 P A:A25 4.9 86.6 1.0

Potassium binding site 7 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K431 b:0.9 occ:1.00 O6 A:G34 3.4 80.0 1.0 O2' A:G32 3.4 82.0 1.0 N7 A:A33 3.8 76.7 1.0 O3' A:G32 4.2 87.4 1.0 C6 A:G34 4.4 82.0 1.0 C8 A:A33 4.5 79.2 1.0 C4' A:G32 4.5 90.5 1.0 C2' A:G32 4.6 88.8 1.0 C3' A:G32 4.7 87.6 1.0 OP1 A:A33 4.9 92.5 1.0 C5 A:A33 4.9 75.4 1.0 N7 A:G34 5.0 81.7 1.0 N6 A:A33 5.0 74.3 1.0

Potassium binding site 8 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K432 b:0.5 occ:1.00 OP1 A:G92 4.7 80.2 1.0 O6 A:G90 4.8 88.4 1.0 N7 A:G90 4.9 82.9 1.0

Potassium binding site 9 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 9 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K433 b:74.6 occ:1.00 OP1 A:C377 2.7 61.0 1.0 O5' A:C377 2.7 62.4 1.0 O6 A:G288 2.8 82.0 1.0 OP2 A:C358 2.8 69.1 1.0 O5' A:G359 3.0 72.4 1.0 O4' A:C377 3.2 82.7 1.0 OP2 A:G359 3.3 71.3 1.0 P A:C358 3.4 74.0 1.0 P A:C377 3.4 59.5 1.0 OP1 A:C358 3.5 63.6 1.0 O5' A:C358 3.8 79.7 1.0 P A:G359 3.8 69.4 1.0 C6 A:G288 3.9 88.8 1.0 C5' A:C377 3.9 69.5 1.0 C4' A:C377 3.9 76.2 1.0 C5' A:G359 4.0 80.9 1.0 CA B:CA501 4.1 73.3 1.0 N4 A:C289 4.1 0.9 1.0 O3' A:A376 4.4 58.4 1.0 C1' A:C377 4.4 85.0 1.0 N7 A:G288 4.5 78.7 1.0 C5 A:G288 4.5 88.8 1.0 C3' A:C358 4.6 78.4 1.0 OP2 A:C377 4.7 56.2 1.0 C6 A:C377 4.7 93.4 1.0 C6 A:C358 4.8 96.9 1.0 C5' A:C358 4.8 77.4 1.0 O3' A:C358 4.8 71.4 1.0 OP1 A:G359 4.8 61.9 1.0 C5 A:C358 4.9 0.7 1.0 N1 A:G288 4.9 83.4 1.0 N1 A:C377 5.0 89.0 1.0 O3' A:C357 5.0 69.9 1.0

Potassium binding site 10 out of 18 in the Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 10 of Structure of Oceanobacillus Iheyensis Group II Intron in the Presence of K+, CA2+ and A Non-Hydrolyzed Oligonucleotide Substrate within 5.0Å range: probe atom residue distance (Å) B Occ A:K434 b:66.0 occ:1.00 OP2 A:A376 2.5 70.4 1.0 O4 A:U4 2.6 88.1 1.0 O6 A:G5 2.7 56.6 1.0 OP1 A:G3 3.3 67.1 1.0 C4 A:U4 3.7 82.7 1.0 C6 A:G5 3.8 66.3 1.0 P A:A376 3.8 50.1 1.0 K A:K426 3.8 85.0 1.0 O4' A:A376 3.9 70.7 1.0 C5' A:A376 4.1 47.5 1.0 N1 A:G5 4.1 60.4 1.0 O5' A:A376 4.2 44.7 1.0 O3' A:U375 4.2 45.1 1.0 P A:G3 4.3 84.2 1.0 OP2 A:G3 4.4 81.8 1.0 C5 A:U4 4.4 80.8 1.0 C4' A:A376 4.5 58.3 1.0 N3 A:U4 4.8 79.7 1.0 N7 A:G3 4.9 76.5 1.0 OP1 A:A376 5.0 48.5 1.0

M.Marcia, A.M.Pyle. Visualizing Group II Intron Catalysis Through the Stages of Splicing. Cell(Cambridge,Mass.) V. 151 497 2012.
ISSN: ISSN 0092-8674
PubMed: 23101623
DOI: 10.1016/J.CELL.2012.09.033