Potassium in PDB 6cst: Structure of Human Dna Polymerase Kappa with Dna

All present enzymatic activity of Structure of Human Dna Polymerase Kappa with Dna:
2.7.7.7;

The structure of Structure of Human Dna Polymerase Kappa with Dna, PDB code: 6cst was solved by V.Jha, H.Ling, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	44.14 / 2.00
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	67.579, 124.630, 165.040, 90.00, 90.00, 90.00
R / Rfree (%)	19.8 / 23.4

The structure of Structure of Human Dna Polymerase Kappa with Dna also contains other interesting chemical elements:

Magnesium	(Mg)	4 atoms
Iodine	(I)	6 atoms
Chlorine	(Cl)	9 atoms

The binding sites of Potassium atom in the Structure of Human Dna Polymerase Kappa with Dna (pdb code 6cst). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Structure of Human Dna Polymerase Kappa with Dna, PDB code: 6cst:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in the Structure of Human Dna Polymerase Kappa with Dna


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of Human Dna Polymerase Kappa with Dna within 5.0Å range: probe atom residue distance (Å) B Occ A:K626 b:34.6 occ:1.00 O A:HOH865 3.3 41.9 1.0 ND2 A:ASN464 3.8 47.3 1.0 CG A:ASN462 4.1 34.7 1.0 CG2 A:VAL463 4.2 34.0 1.0 CB A:ASN462 4.2 32.5 1.0 ND2 A:ASN462 4.3 35.2 1.0 CB A:ARG505 4.4 34.6 1.0 OD1 A:ASN462 4.5 32.7 1.0 CD A:ARG505 4.5 35.0 1.0 CG A:ASN464 4.6 43.0 1.0 O A:ARG505 4.6 32.5 1.0 N A:VAL463 4.6 29.9 1.0 N A:ASN464 4.7 33.6 1.0 CG A:ARG505 4.8 34.9 1.0 CB A:ASN464 4.8 38.9 1.0 NH1 A:ARG505 4.9 41.1 1.0

Potassium binding site 2 out of 4 in the Structure of Human Dna Polymerase Kappa with Dna


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of Human Dna Polymerase Kappa with Dna within 5.0Å range: probe atom residue distance (Å) B Occ B:K613 b:29.8 occ:1.00 O B:HOH836 2.4 42.7 1.0 O B:HOH803 3.0 44.0 1.0 CD2 B:LEU506 4.0 33.0 1.0 CD2 B:LEU504 4.3 43.0 1.0 CB B:LEU460 4.3 27.1 1.0 CB B:ASN462 4.4 27.6 1.0 CD B:LYS468 4.4 53.0 1.0 NZ B:LYS468 4.4 67.4 1.0 CD1 B:LEU504 4.5 40.2 1.0 O B:HOH824 4.6 35.8 1.0 CD1 B:LEU460 4.7 31.8 1.0 ND2 B:ASN462 4.8 31.7 1.0 CG B:LEU504 4.8 42.1 1.0 CB B:LEU504 4.8 36.0 1.0 CG B:LYS468 4.9 46.3 1.0 N B:ASN462 4.9 25.8 1.0 CE B:LYS468 5.0 60.2 1.0

Potassium binding site 3 out of 4 in the Structure of Human Dna Polymerase Kappa with Dna


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure of Human Dna Polymerase Kappa with Dna within 5.0Å range: probe atom residue distance (Å) B Occ B:K614 b:39.8 occ:1.00 O B:HOH824 3.3 35.8 1.0 ND2 B:ASN464 3.8 44.6 1.0 ND2 B:ASN462 3.9 31.7 1.0 CG B:ASN462 4.0 28.6 1.0 CB B:ASN462 4.0 27.6 1.0 CG2 B:VAL463 4.1 32.2 1.0 CB B:ARG505 4.3 30.3 1.0 CD B:ARG505 4.5 34.0 1.0 N B:VAL463 4.6 28.0 1.0 OD1 B:ASN462 4.6 32.8 1.0 N B:ASN464 4.7 31.7 1.0 O B:ARG505 4.7 29.7 1.0 CG B:ASN464 4.7 41.0 1.0 CG B:ARG505 4.8 33.6 1.0 O B:HOH836 4.8 42.7 1.0 CB B:ASN464 4.9 37.9 1.0

Potassium binding site 4 out of 4 in the Structure of Human Dna Polymerase Kappa with Dna


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Structure of Human Dna Polymerase Kappa with Dna within 5.0Å range: probe atom residue distance (Å) B Occ D:K101 b:34.9 occ:1.00 OP2 D:DC4 2.9 50.3 1.0 O A:HOH869 3.3 34.9 1.0 C6 D:DC4 3.9 36.5 1.0 C5' D:DC4 4.1 37.9 1.0 P D:DC4 4.2 50.4 1.0 C3' D:DA3 4.3 46.2 1.0 C2' D:DA3 4.3 45.1 1.0 C5 D:DC4 4.5 37.5 1.0 CZ A:PHE155 4.5 36.1 1.0 CE2 A:PHE155 4.7 35.6 1.0 O5' D:DC4 4.7 53.7 1.0 CB A:PHE49 4.7 32.3 1.0 C2' D:DC4 4.7 32.0 1.0 O3' D:DA3 4.8 49.8 1.0 O4' D:DC4 4.8 34.0 1.0 CZ A:PHE465 4.9 33.3 1.0 C4' D:DC4 4.9 35.0 1.0 O5' D:DA3 5.0 46.4 1.0 N1 D:DC4 5.0 36.0 1.0

V.Jha, H.Ling. 2.0 Angstrom Resolution Crystal Structure of Human Pol Kappa Reveals A New Catalytic Function of N-Clasp in Dna Replication. Sci Rep V. 8 15125 2018.
ISSN: ESSN 2045-2322
PubMed: 30310122
DOI: 10.1038/S41598-018-33371-5