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Chlorine in PDB 1l68: Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines

Enzymatic activity of Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines

All present enzymatic activity of Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines:
3.2.1.17;

Protein crystallography data

The structure of Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines, PDB code: 1l68 was solved by D.Heinz, B.W.Matthews, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 6.00 / 1.70
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 60.720, 60.720, 97.000, 90.00, 90.00, 120.00
R / Rfree (%) n/a / n/a

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines (pdb code 1l68). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines, PDB code: 1l68:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in 1l68

Go back to Chlorine Binding Sites List in 1l68
Chlorine binding site 1 out of 2 in the Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl173

b:22.4
occ:1.00
 O A:HOH209 3.0 23.7 1.0
N A:ASN144 3.3 5.0 1.0
N A:ARG145 3.3 11.1 1.0
C A:THR142 3.5 11.5 1.0
CA A:THR142 3.6 6.0 1.0
CB A:THR142 3.6 8.8 1.0
CB A:ASN144 3.7 7.4 1.0
O A:THR142 3.7 9.5 1.0
CA A:ASN144 3.8 5.8 1.0
N A:PRO143 3.9 12.7 1.0
CB A:ARG145 3.9 9.3 1.0
C A:ASN144 4.1 12.1 1.0
CD A:PRO143 4.2 10.6 1.0
C A:PRO143 4.2 6.9 1.0
CA A:ARG145 4.2 8.8 1.0
CG2 A:THR142 4.3 12.6 1.0
CG A:ASN144 4.5 28.8 1.0
ND2 A:ASN144 4.6 31.1 1.0
CA A:PRO143 4.6 11.8 1.0
O A:HOH230 4.8 28.3 1.0
OG1 A:THR142 4.9 12.6 1.0
N A:THR142 5.0 9.8 1.0

Chlorine binding site 2 out of 2 in 1l68

Go back to Chlorine Binding Sites List in 1l68
Chlorine binding site 2 out of 2 in the Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Tolerance of T4 Lysozyme to Multiple Xaa (Right Arrow) Ala Substitutions: A Polyalanine Alpha-Helix Containing Ten Consecutive Alanines within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl178

b:22.4
occ:0.50
 O A:HOH215 3.2 13.1 1.0
O A:HOH200 3.3 20.9 1.0
O A:HOH182 3.4 17.9 1.0
O A:HOH246 3.7 43.7 1.0
CE1 A:HIS31 4.0 6.6 1.0
CB A:ALA49 4.1 8.0 1.0
NE2 A:HIS31 4.2 6.9 1.0
O A:HOH202 4.4 40.7 1.0
NE2 A:GLN69 4.5 12.8 1.0
O A:HOH282 4.6 37.9 1.0
CA A:ALA49 4.6 15.4 1.0
CD2 A:LEU66 5.0 12.6 1.0

Reference:

D.W.Heinz, W.A.Baase, B.W.Matthews. Folding and Function of A T4 Lysozyme Containing 10 Consecutive Alanines Illustrate the Redundancy of Information in An Amino Acid Sequence. Proc.Natl.Acad.Sci.Usa V. 89 3751 1992.
ISSN: ISSN 0027-8424
PubMed: 1570293
DOI: 10.1073/PNAS.89.9.3751
Page generated: Thu Jul 10 17:57:32 2025

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