Zinc in PDB 6eyd: Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme

All present enzymatic activity of Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme:
2.7.7.6;

The structure of Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Zinc atom in the Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme (pdb code 6eyd). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme, PDB code: 6eyd:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme within 5.0Å range: probe atom residue distance (Å) B Occ D:Zn2001 b:39.5 occ:1.00 SG D:CYS977 2.1 84.1 1.0 SG D:CYS974 2.1 93.0 1.0 SG D:CYS967 2.3 89.0 1.0 SG D:CYS890 2.4 0.3 1.0 CB D:CYS977 2.8 84.7 1.0 CB D:CYS967 3.3 88.7 1.0 CA D:CYS967 3.4 88.5 1.0 CB D:CYS890 3.7 99.8 1.0 CB D:CYS974 3.8 90.3 1.0 N D:THR968 3.9 90.9 1.0 C D:CYS967 4.1 89.1 1.0 CG2 D:THR892 4.1 0.2 1.0 CA D:CYS977 4.2 85.2 1.0 N D:CYS890 4.3 97.7 1.0 O D:CYS974 4.4 87.5 1.0 N D:CYS974 4.5 87.5 1.0 CA D:CYS890 4.6 99.1 1.0 N D:CYS977 4.6 85.8 1.0 CA D:CYS974 4.6 88.6 1.0 O D:THR966 4.7 88.8 1.0 OD1 D:ASP889 4.7 92.7 1.0 N D:CYS967 4.7 88.2 1.0 C D:CYS974 4.9 87.9 1.0 N D:SER969 4.9 93.1 1.0 OG1 D:THR968 5.0 93.8 1.0

Zinc binding site 2 out of 2 in the Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Structure of Mycobacterium Smegmatis Rna Polymerase Sigma-A Holoenzyme within 5.0Å range: probe atom residue distance (Å) B Occ D:Zn2002 b:51.8 occ:1.00 SG D:CYS78 2.6 0.6 1.0 SG D:CYS60 2.6 0.4 1.0 SG D:CYS62 2.7 0.2 1.0 SG D:CYS75 2.9 0.7 1.0 CB D:CYS60 3.3 0.4 1.0 CB D:CYS75 3.6 0.9 1.0 CB D:ARG77 3.8 0.2 1.0 CB D:CYS78 3.8 0.0 1.0 N D:CYS78 3.8 0.5 1.0 N D:CYS62 4.2 0.4 1.0 CB D:CYS62 4.2 0.5 1.0 CB D:LYS64 4.2 0.1 1.0 N D:TYR61 4.2 0.6 1.0 CA D:CYS78 4.5 0.4 1.0 CA D:CYS60 4.5 0.2 1.0 N D:GLY63 4.6 0.8 1.0 C D:CYS60 4.6 0.8 1.0 CA D:CYS62 4.7 0.8 1.0 C D:ARG77 4.7 0.1 1.0 CA D:ARG77 4.7 0.5 1.0 N D:LYS64 4.8 0.3 1.0 CG D:ARG77 4.9 0.3 1.0 N D:ARG77 5.0 0.2 1.0

T.Kouba, J.Pospisil, J.Hnilicova, H.Sanderova, I.Barvik, L.Krasny. The Core and Holoenzyme Forms of Rna Polymerase Frommycobacterium Smegmatis. J. Bacteriol. V. 201 2019.
ISSN: ESSN 1098-5530
PubMed: 30478083
DOI: 10.1128/JB.00583-18