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Calcium in PDB 2rnt: Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2(Prime),5(Prime)-Guanosine at 1.8 Angstroms Resolution

Enzymatic activity of Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2(Prime),5(Prime)-Guanosine at 1.8 Angstroms Resolution

All present enzymatic activity of Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2(Prime),5(Prime)-Guanosine at 1.8 Angstroms Resolution:
3.1.27.3;

Protein crystallography data

The structure of Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2(Prime),5(Prime)-Guanosine at 1.8 Angstroms Resolution, PDB code: 2rnt was solved by W.Saenger, J.Koepke, M.Maslowska, U.Heinemann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 6.00 / 1.80
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 47.440, 50.900, 40.430, 90.00, 90.00, 90.00
R / Rfree (%) n/a / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2(Prime),5(Prime)-Guanosine at 1.8 Angstroms Resolution (pdb code 2rnt). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2(Prime),5(Prime)-Guanosine at 1.8 Angstroms Resolution, PDB code: 2rnt:

Calcium binding site 1 out of 1 in 2rnt

Go back to Calcium Binding Sites List in 2rnt
Calcium binding site 1 out of 1 in the Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2(Prime),5(Prime)-Guanosine at 1.8 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2(Prime),5(Prime)-Guanosine at 1.8 Angstroms Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca223

b:22.9
occ:1.00
 O A:HOH195 2.3 32.7 1.0
O A:HOH211 2.4 27.1 1.0
OD2 A:ASP15 2.4 12.0 1.0
O A:HOH107 2.4 16.2 1.0
O A:HOH152 2.4 22.5 1.0
O A:HOH192 2.5 23.1 1.0
OD1 A:ASP15 2.6 12.0 1.0
O A:HOH241 2.8 34.0 1.0
CG A:ASP15 2.8 12.0 1.0
O A:HOH222 3.9 40.0 1.0
O A:HOH120 4.3 27.9 1.0
CB A:ASP15 4.3 10.3 1.0
OG A:SER12 4.5 12.3 1.0
O A:HOH176 4.6 24.6 1.0
O A:CYS10 4.7 12.7 1.0
O A:HOH110 4.7 14.3 1.0
N A:SER12 4.8 12.8 1.0

Reference:

J.Koepke, M.Maslowska, U.Heinemann, W.Saenger. Three-Dimensional Structure of Ribonuclease T1 Complexed with Guanylyl-2',5'-Guanosine at 1.8 A Resolution. J.Mol.Biol. V. 206 475 1989.
ISSN: ISSN 0022-2836
PubMed: 2541256
DOI: 10.1016/0022-2836(89)90495-6
Page generated: Tue Jul 8 08:19:26 2025

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