Potassium in PDB 1g75: Molecular and Crystal Structure of D(CGCGAATF5UCGCG): 5- Formyluridine/ Adenosine Base-Pairs in B-Dna

The structure of Molecular and Crystal Structure of D(CGCGAATF5UCGCG): 5- Formyluridine/ Adenosine Base-Pairs in B-Dna, PDB code: 1g75 was solved by M.Tsunoda, N.Karino, Y.Ueno, A.Matsuda, A.Takenaka, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 1.57
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	25.800, 39.300, 65.000, 90.00, 90.00, 90.00
R / Rfree (%)	21 / 23.6

The structure of Molecular and Crystal Structure of D(CGCGAATF5UCGCG): 5- Formyluridine/ Adenosine Base-Pairs in B-Dna also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Potassium atom in the Molecular and Crystal Structure of D(CGCGAATF5UCGCG): 5- Formyluridine/ Adenosine Base-Pairs in B-Dna (pdb code 1g75). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Molecular and Crystal Structure of D(CGCGAATF5UCGCG): 5- Formyluridine/ Adenosine Base-Pairs in B-Dna, PDB code: 1g75:

Potassium binding site 1 out of 1 in the Molecular and Crystal Structure of D(CGCGAATF5UCGCG): 5- Formyluridine/ Adenosine Base-Pairs in B-Dna


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Molecular and Crystal Structure of D(CGCGAATF5UCGCG): 5- Formyluridine/ Adenosine Base-Pairs in B-Dna within 5.0Å range: probe atom residue distance (Å) B Occ A:K26 b:24.5 occ:1.00 O A:HOH54 2.6 23.8 1.0 O A:HOH140 2.7 30.0 1.0 O B:HOH72 2.7 21.0 1.0 O2 B:DT19 2.7 14.6 1.0 O2 A:DT7 2.7 13.1 1.0 O4' A:UFR8 3.3 16.4 1.0 O4' B:UFR20 3.3 18.6 1.0 C4' A:UFR8 3.7 15.9 1.0 C4' B:UFR20 3.8 19.6 1.0 C2 B:DT19 3.9 14.8 1.0 C2 A:DT7 3.9 12.7 1.0 C1' A:UFR8 4.1 13.6 1.0 C5' B:UFR20 4.1 19.5 1.0 C1' B:DT19 4.2 16.3 1.0 C1' A:DT7 4.2 13.4 1.0 C5' A:UFR8 4.2 17.4 1.0 C1' B:UFR20 4.2 16.9 1.0 C2 A:DA6 4.4 13.5 1.0 C2 B:DA18 4.5 11.6 1.0 N1 B:DT19 4.5 14.3 1.0 N1 A:DT7 4.6 11.8 1.0 O A:HOH110 4.6 27.7 1.0 N1 A:UFR8 4.6 13.0 1.0 O A:HOH32 4.7 14.8 1.0 O A:HOH87 4.8 28.7 1.0 N1 B:UFR20 4.8 15.8 1.0 O B:HOH139 4.9 15.8 1.0 N3 B:DT19 4.9 13.6 1.0 N3 A:DT7 4.9 11.9 1.0 O2 A:UFR8 5.0 11.6 1.0 O4' A:DT7 5.0 14.0 1.0 O4' B:DT19 5.0 17.1 1.0 C2 A:UFR8 5.0 11.3 1.0

M.Tsunoda, N.Karino, Y.Ueno, A.Matsuda, A.Takenaka. Crystallization and Preliminary X-Ray Analysis of A Dna Dodecamer Containing 2'-Deoxy-5-Formyluridine; What Is the Role of Magnesium Cation in Crystallization of Dickerson-Type Dna Dodecamers? Acta Crystallogr.,Sect.D V. 57 345 2001.
ISSN: ISSN 0907-4449
PubMed: 11173500
DOI: 10.1107/S0907444900017583