Zinc in PDB 9jr4: Crystal Structure of RATG13 Receptor-Binding Domain Complexed with Squirrel ACE2

The structure of Crystal Structure of RATG13 Receptor-Binding Domain Complexed with Squirrel ACE2, PDB code: 9jr4 was solved by J.Lan, X.Nan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.22 / 2.76
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	168.99, 168.99, 86.08, 90, 90, 90
R / Rfree (%)	21.1 / 27.8

The structure of Crystal Structure of RATG13 Receptor-Binding Domain Complexed with Squirrel ACE2 also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Zinc atom in the Crystal Structure of RATG13 Receptor-Binding Domain Complexed with Squirrel ACE2 (pdb code 9jr4). 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 Crystal Structure of RATG13 Receptor-Binding Domain Complexed with Squirrel ACE2, PDB code: 9jr4:

Zinc binding site 1 out of 1 in the Crystal Structure of RATG13 Receptor-Binding Domain Complexed with Squirrel ACE2


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Crystal Structure of RATG13 Receptor-Binding Domain Complexed with Squirrel ACE2 within 5.0Å range: probe atom residue distance (Å) B Occ B:Zn705 b:30.0 occ:1.00 OE1 B:GLU402 2.1 79.8 1.0 OE1 B:GLU375 2.6 85.1 1.0 NE2 B:HIS374 2.7 81.8 1.0 NE2 B:HIS378 2.8 80.7 1.0 CD B:GLU402 2.8 80.1 1.0 OE2 B:GLU402 2.9 80.7 1.0 CD2 B:HIS374 3.4 80.9 1.0 CE1 B:HIS378 3.5 75.7 1.0 CD2 B:HIS378 3.6 79.3 1.0 CD B:GLU375 3.7 84.6 1.0 CE1 B:HIS374 3.8 81.0 1.0 OE2 B:GLU375 4.1 80.8 1.0 CG B:GLU402 4.3 71.4 1.0 ND1 B:HIS378 4.5 70.4 1.0 CG B:HIS378 4.6 73.5 1.0 CG B:HIS374 4.7 75.7 1.0 ND1 B:HIS374 4.8 74.8 1.0 CG B:GLU375 5.0 77.3 1.0

C.Wang, X.Nan, Y.Deng, S.Fan, J.Lan. Cross-Species Recognition of Squirrel ACE2 By the Receptor Binding Domains of Sars-Cov-2, RATG13, Pcov-Gd and Pcov-Gx Structure 2025.
ISSN: ISSN 0969-2126
DOI: 10.1016/J.STR.2025.07.003