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Magnesium in PDB 9isn: Cryo-Em Structure of Streptomyces Coelicolor Sigma Factor Shba Transcription Initiation Complex

Enzymatic activity of Cryo-Em Structure of Streptomyces Coelicolor Sigma Factor Shba Transcription Initiation Complex

All present enzymatic activity of Cryo-Em Structure of Streptomyces Coelicolor Sigma Factor Shba Transcription Initiation Complex:
2.7.7.6;

Other elements in 9isn:

The structure of Cryo-Em Structure of Streptomyces Coelicolor Sigma Factor Shba Transcription Initiation Complex also contains other interesting chemical elements:

Zinc (Zn) 2 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Cryo-Em Structure of Streptomyces Coelicolor Sigma Factor Shba Transcription Initiation Complex (pdb code 9isn). 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 Cryo-Em Structure of Streptomyces Coelicolor Sigma Factor Shba Transcription Initiation Complex, PDB code: 9isn:

Magnesium binding site 1 out of 1 in 9isn

Go back to Magnesium Binding Sites List in 9isn
Magnesium binding site 1 out of 1 in the Cryo-Em Structure of Streptomyces Coelicolor Sigma Factor Shba Transcription Initiation Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Cryo-Em Structure of Streptomyces Coelicolor Sigma Factor Shba Transcription Initiation Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Mg1401

b:37.1
occ:1.00
 OD1 D:ASP535 2.9 42.0 1.0
OD1 D:ASP539 3.0 32.4 1.0
OD2 D:ASP535 3.0 33.7 1.0
OD2 D:ASP539 3.1 34.7 1.0
CG D:ASP539 3.1 33.3 1.0
CG D:ASP535 3.2 30.3 1.0
CB D:ASP537 3.8 30.3 1.0
O D:ASP535 3.8 34.2 1.0
CB D:ASP539 4.2 31.6 1.0
OD2 D:ASP537 4.3 35.8 1.0
N D:ASP537 4.4 36.2 1.0
N D:ASP539 4.5 41.0 1.0
CA D:ASP537 4.5 27.7 1.0
CG D:ASP537 4.5 42.9 1.0
C D:ASP535 4.6 31.8 1.0
CB D:ASP535 4.6 25.9 1.0
C D:ASP537 4.6 30.6 1.0
CA D:ASP539 4.7 35.3 1.0
O D:ASP537 4.7 34.0 1.0
N D:ASP535 4.7 21.8 1.0
NH2 D:ARG500 4.9 32.8 1.0
CA D:ASP535 4.9 27.9 1.0

Reference:

G.Liu, X.Yang, W.Yan, Y.Wang, F.Yu, J.Zheng. Molecular Basis of Streptomyces Ecf Sigma Shba Factors Transcribing Principal Sigma Hrdb Genes. Nucleic Acids Res. V. 53 2025.
ISSN: ESSN 1362-4962
PubMed: 40272361
DOI: 10.1093/NAR/GKAF339
Page generated: Sat Aug 16 04:27:26 2025

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