Zinc in PDB 7c7a: Cryo-Em Structure of Yeast Ribonuclease Mrp with Substrate ITS1

All present enzymatic activity of Cryo-Em Structure of Yeast Ribonuclease Mrp with Substrate ITS1:
3.1.26.5;

The structure of Cryo-Em Structure of Yeast Ribonuclease Mrp with Substrate ITS1 also contains other interesting chemical elements:

Magnesium

(Mg)

3 atoms

The binding sites of Zinc atom in the Cryo-Em Structure of Yeast Ribonuclease Mrp with Substrate ITS1 (pdb code 7c7a). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Cryo-Em Structure of Yeast Ribonuclease Mrp with Substrate ITS1, PDB code: 7c7a:

Zinc binding site 1 out of 1 in the Cryo-Em Structure of Yeast Ribonuclease Mrp with Substrate ITS1


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Cryo-Em Structure of Yeast Ribonuclease Mrp with Substrate ITS1 within 5.0Å range: probe atom residue distance (Å) B Occ K:Zn200 b:0.3 occ:1.00 SG K:CYS109 2.6 0.3 1.0 CB K:CYS109 2.8 0.3 1.0 SG K:CYS64 2.9 0.6 1.0 SG K:CYS61 3.3 0.2 1.0 CB K:CYS64 3.5 0.6 1.0 N K:CYS64 3.6 0.6 1.0 CB K:HIS63 3.6 0.3 1.0 N K:CYS109 3.9 0.3 1.0 CA K:CYS109 3.9 0.3 1.0 C K:HIS63 4.1 0.3 1.0 CA K:CYS64 4.2 0.6 1.0 CA K:HIS63 4.3 0.3 1.0 CB K:CYS106 4.5 0.7 1.0 SG K:CYS106 4.5 0.7 1.0 CG K:HIS63 4.5 0.3 1.0 CB K:CYS61 4.5 0.2 1.0 N K:HIS63 4.6 0.3 1.0 CB K:ASN108 4.8 0.2 1.0 C K:CYS109 4.8 0.3 1.0 CD2 K:HIS63 4.8 0.3 1.0 C K:ASN108 4.9 0.2 1.0 O K:HIS63 5.0 0.3 1.0

P.Lan, B.Zhou, M.Tan, S.Li, M.Cao, J.Wu, M.Lei. Structural Insight Into Precursor Ribosomal Rna Processing By Ribonuclease Mrp. Science V. 369 656 2020.
ISSN: ESSN 1095-9203
PubMed: 32586950
DOI: 10.1126/SCIENCE.ABC0149