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Calcium in PDB 7rnt: Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid

Enzymatic activity of Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid

All present enzymatic activity of Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid:
3.1.27.3;

Protein crystallography data

The structure of Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid, PDB code: 7rnt was solved by G.Koellner, H.-P.Grunert, O.Landt, W.Saenger, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) N/A / 1.90
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 49.320, 46.610, 40.920, 90.00, 90.00, 90.00
R / Rfree (%) n/a / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid (pdb code 7rnt). 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 Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid, PDB code: 7rnt:

Calcium binding site 1 out of 1 in 7rnt

Go back to Calcium Binding Sites List in 7rnt
Calcium binding site 1 out of 1 in the Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca106

b:10.6
occ:1.00
 O A:HOH111 2.2 11.6 1.0
O A:HOH112 2.3 7.2 1.0
O A:HOH117 2.3 15.4 1.0
O A:HOH116 2.4 7.4 1.0
OD2 A:ASP15 2.5 8.5 1.0
O A:HOH113 2.5 17.4 1.0
OD1 A:ASP15 2.7 9.2 1.0
CG A:ASP15 2.9 8.2 1.0
CB A:ASP15 4.4 7.2 1.0
O A:HOH109 4.6 17.8 1.0
O A:HOH110 4.6 10.3 1.0
O A:CYS10 4.7 10.0 1.0
O A:HOH127 4.7 19.4 1.0
OG A:SER12 4.7 8.7 1.0
CA A:GLY65 4.8 12.0 1.0
N A:SER12 4.9 9.6 1.0

Reference:

G.Koellner, H.P.Grunert, O.Landt, W.Saenger. Crystal Structure of the TYR45TRP Mutant of Ribonuclease T1 in A Complex with 2'-Adenylic Acid. Eur.J.Biochem. V. 201 199 1991.
ISSN: ISSN 0014-2956
PubMed: 1915364
DOI: 10.1111/J.1432-1033.1991.TB16274.X
Page generated: Thu Jul 10 00:49:23 2025

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