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Calcium in PDB 1bu4: Ribonuclease 1 Complex with 2'Gmp

Enzymatic activity of Ribonuclease 1 Complex with 2'Gmp

All present enzymatic activity of Ribonuclease 1 Complex with 2'Gmp:
3.1.27.3;

Protein crystallography data

The structure of Ribonuclease 1 Complex with 2'Gmp, PDB code: 1bu4 was solved by R.Loris, S.Devos, U.Langhorst, K.Decanniere, J.Bouckaert, D.Maes, T.R.Transue, J.Steyaert, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 1.90
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 40.510, 48.000, 50.810, 90.00, 90.00, 90.00
R / Rfree (%) 18 / 23

Calcium Binding Sites:

The binding sites of Calcium atom in the Ribonuclease 1 Complex with 2'Gmp (pdb code 1bu4). 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 Ribonuclease 1 Complex with 2'Gmp, PDB code: 1bu4:

Calcium binding site 1 out of 1 in 1bu4

Go back to Calcium Binding Sites List in 1bu4
Calcium binding site 1 out of 1 in the Ribonuclease 1 Complex with 2'Gmp


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Ribonuclease 1 Complex with 2'Gmp within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca201

b:14.4
occ:1.00
O A:HOH221 2.7 9.7 1.0
OD2 A:ASP15 2.7 8.3 1.0
O A:HOH225 2.8 17.6 1.0
OD1 A:ASP15 2.8 8.8 1.0
O A:HOH241 2.8 25.0 1.0
O A:HOH216 2.8 15.7 1.0
O A:HOH236 2.9 25.8 1.0
CG A:ASP15 3.1 11.2 1.0
O A:HOH291 3.2 47.2 1.0
O A:HOH260 4.5 21.7 1.0
O A:HOH228 4.6 24.6 1.0
OG A:SER12 4.6 26.1 1.0
CB A:ASP15 4.6 5.7 1.0
O A:CYS10 4.7 9.0 1.0
O A:HOH222 4.8 16.7 1.0
O A:HOH244 4.9 29.5 1.0
N A:SER12 4.9 8.8 1.0

Reference:

R.Loris, U.Langhorst, S.De Vos, K.Decanniere, J.Bouckaert, D.Maes, T.R.Transue, J.Steyaert. Conserved Water Molecules in A Large Family of Microbial Ribonucleases. Proteins V. 36 117 1999.
ISSN: ISSN 0887-3585
PubMed: 10373011
DOI: 10.1002/(SICI)1097-0134(19990701)36:1<117::AID-PROT10>3.0.CO;2-H
Page generated: Sat Dec 12 02:50:17 2020

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