Sodium in PDB 2hoh: Ribonuclease T1 (N9A Mutant) Complexed with 2'Gmp

All present enzymatic activity of Ribonuclease T1 (N9A Mutant) Complexed with 2'Gmp:
3.1.27.3;

The structure of Ribonuclease T1 (N9A Mutant) Complexed with 2'Gmp, PDB code: 2hoh was solved by U.Langhorst, R.Loris, V.P.Denisov, J.Doumen, P.Roose, D.Maes, B.Halle, J.Steyaert, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 1.90
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	59.370, 60.560, 101.170, 90.00, 90.00, 90.00
R / Rfree (%)	16.8 / 20.9

The structure of Ribonuclease T1 (N9A Mutant) Complexed with 2'Gmp also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

The binding sites of Sodium atom in the Ribonuclease T1 (N9A Mutant) Complexed with 2'Gmp (pdb code 2hoh). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Ribonuclease T1 (N9A Mutant) Complexed with 2'Gmp, PDB code: 2hoh:

Sodium binding site 1 out of 1 in the Ribonuclease T1 (N9A Mutant) Complexed with 2'Gmp


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Ribonuclease T1 (N9A Mutant) Complexed with 2'Gmp within 5.0Å range: probe atom residue distance (Å) B Occ B:Na302 b:51.3 occ:1.00 O B:HOH342 1.8 24.8 1.0 O B:ASP3 2.3 24.2 1.0 OXT B:THR104 2.4 37.3 1.0 OG C:SER69 2.4 37.0 1.0 C B:THR104 3.1 33.4 1.0 O B:THR104 3.3 36.5 1.0 C B:ASP3 3.4 26.7 1.0 CB C:SER69 3.7 29.3 1.0 CA B:ASP3 4.2 27.8 1.0 N B:TYR4 4.3 24.2 1.0 CA B:TYR4 4.4 21.5 1.0 O C:SER69 4.5 35.4 1.0 CA B:THR104 4.5 30.5 1.0 O B:CYS2 4.7 35.4 1.0 CA C:SER69 4.8 29.4 1.0 CD1 B:TYR4 4.9 22.4 1.0

U.Langhorst, R.Loris, V.P.Denisov, J.Doumen, P.Roose, D.Maes, B.Halle, J.Steyaert. Dissection of the Structural and Functional Role of A Conserved Hydration Site in Rnase T1. Protein Sci. V. 8 722 1999.
ISSN: ISSN 0961-8368
PubMed: 10211818