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Chlorine in PDB 4rsd: Structure of the D121A Variant of Ribonuclease A

Enzymatic activity of Structure of the D121A Variant of Ribonuclease A

All present enzymatic activity of Structure of the D121A Variant of Ribonuclease A:
3.1.27.5;

Protein crystallography data

The structure of Structure of the D121A Variant of Ribonuclease A, PDB code: 4rsd was solved by L.W.Schultz, D.J.Quirk, R.T.Raines, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.00 / 1.60
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 64.700, 64.700, 65.030, 90.00, 90.00, 120.00
R / Rfree (%) n/a / n/a

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Structure of the D121A Variant of Ribonuclease A (pdb code 4rsd). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Structure of the D121A Variant of Ribonuclease A, PDB code: 4rsd:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in 4rsd

Go back to Chlorine Binding Sites List in 4rsd
Chlorine binding site 1 out of 2 in the Structure of the D121A Variant of Ribonuclease A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Structure of the D121A Variant of Ribonuclease A within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl126

b:36.0
occ:1.00
O A:HOH183 3.2 32.8 1.0
ND2 A:ASN34 3.2 26.1 1.0
CD A:ARG10 3.5 17.1 1.0
NE A:ARG10 3.8 18.1 1.0
CB A:ASN34 4.1 26.1 1.0
CG A:ASN34 4.1 30.7 1.0
CZ A:ARG10 4.2 22.4 1.0
NH1 A:ARG10 4.4 20.4 1.0
O A:ARG33 4.8 21.7 1.0
CG A:ARG10 4.9 15.1 1.0
OE2 A:GLU2 5.0 24.3 1.0

Chlorine binding site 2 out of 2 in 4rsd

Go back to Chlorine Binding Sites List in 4rsd
Chlorine binding site 2 out of 2 in the Structure of the D121A Variant of Ribonuclease A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Structure of the D121A Variant of Ribonuclease A within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl127

b:33.7
occ:1.00
O A:HOH166 3.2 51.0 1.0
N A:THR45 3.2 14.0 1.0
CE1 A:HIS12 3.5 14.9 1.0
CA A:ASN44 3.6 15.2 1.0
OG1 A:THR45 3.6 22.1 1.0
C A:ASN44 3.8 18.5 1.0
O A:HOH174 3.8 51.7 1.0
CB A:THR45 3.9 16.2 1.0
CD1 A:PHE120 4.0 32.0 1.0
OD1 A:ASN44 4.1 23.8 1.0
O A:HOH199 4.1 54.0 1.0
ND1 A:HIS12 4.2 15.1 1.0
CA A:THR45 4.2 12.1 1.0
CB A:PHE120 4.3 19.6 1.0
O A:VAL43 4.3 18.6 1.0
N A:ASN44 4.3 17.1 1.0
CG A:PHE120 4.4 20.7 1.0
NE2 A:HIS12 4.5 15.8 1.0
NZ A:LYS41 4.5 35.9 1.0
O A:PHE120 4.6 23.6 1.0
C A:VAL43 4.6 22.5 1.0
CG A:ASN44 4.6 23.7 1.0
CB A:ASN44 4.7 16.2 1.0
CE1 A:PHE120 4.8 25.2 1.0
O A:THR45 4.8 18.2 1.0
CG1 A:VAL43 4.8 22.5 1.0
O A:ASN44 4.9 23.6 1.0

Reference:

L.W.Schultz, D.J.Quirk, R.T.Raines. His...Asp Catalytic Dyad of Ribonuclease A: Structure and Function of the Wild-Type, D121N, and D121A Enzymes. Biochemistry V. 37 8886 1998.
ISSN: ISSN 0006-2960
PubMed: 9636030
DOI: 10.1021/BI972766Q
Page generated: Sat Dec 12 11:12:08 2020

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