Magnesium in PDB 216d: Crystal Structures of the B-Form Dna-Rna Chimer (5'-D(*Ip*)- R(*Cp*)-D(*Ip*Cp*Ip*Cp*Ip*C)-3') Complexed with Distamycin

The structure of Crystal Structures of the B-Form Dna-Rna Chimer (5'-D(*Ip*)- R(*Cp*)-D(*Ip*Cp*Ip*Cp*Ip*C)-3') Complexed with Distamycin, PDB code: 216d was solved by X.Chen, B.Ramakrishnan, M.Sundaralingam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.73
Space group	P 41 2 2
Cell size a, b, c (Å), α, β, γ (°)	27.920, 27.920, 57.700, 90.00, 90.00, 90.00
R / Rfree (%)	15.2 / n/a

The binding sites of Magnesium atom in the Crystal Structures of the B-Form Dna-Rna Chimer (5'-D(*Ip*)- R(*Cp*)-D(*Ip*Cp*Ip*Cp*Ip*C)-3') Complexed with Distamycin (pdb code 216d). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Crystal Structures of the B-Form Dna-Rna Chimer (5'-D(*Ip*)- R(*Cp*)-D(*Ip*Cp*Ip*Cp*Ip*C)-3') Complexed with Distamycin, PDB code: 216d:

Magnesium binding site 1 out of 1 in the Crystal Structures of the B-Form Dna-Rna Chimer (5'-D(*Ip*)- R(*Cp*)-D(*Ip*Cp*Ip*Cp*Ip*C)-3') Complexed with Distamycin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structures of the B-Form Dna-Rna Chimer (5'-D(*Ip*)- R(*Cp*)-D(*Ip*Cp*Ip*Cp*Ip*C)-3') Complexed with Distamycin within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg10 b:11.5 occ:1.00 OP2 A:DC6 2.0 9.0 1.0 O A:HOH14 2.1 7.8 1.0 O A:HOH23 2.2 12.5 1.0 O A:HOH19 2.2 10.6 1.0 P A:DC6 3.5 9.0 1.0 C3' A:DI5 4.1 9.0 1.0 O5' A:DC6 4.1 9.1 1.0 C2' A:DI5 4.2 8.9 1.0 O3' A:DI5 4.2 9.1 1.0 O A:HOH24 4.5 19.0 1.0 OP1 A:DC6 4.5 9.2 1.0 O A:HOH32 4.7 41.9 1.0

X.Chen, B.Ramakrishnan, M.Sundaralingam. Crystal Structures of B-Form Dna-Rna Chimers Complexed with Distamycin. Nat.Struct.Biol. V. 2 733 1995.
ISSN: ISSN 1072-8368
PubMed: 7552741
DOI: 10.1038/NSB0995-733