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Chlorine in PDB 1l75: Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability

Enzymatic activity of Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability

All present enzymatic activity of Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability:
3.2.1.17;

Protein crystallography data

The structure of Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability, PDB code: 1l75 was solved by X.Zhang, B.W.Matthews, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 6.00 / 1.90
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 61.100, 61.100, 93.400, 90.00, 90.00, 120.00
R / Rfree (%) n/a / n/a

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability (pdb code 1l75). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 3 binding sites of Chlorine where determined in the Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability, PDB code: 1l75:
Jump to Chlorine binding site number: 1; 2; 3;

Chlorine binding site 1 out of 3 in 1l75

Go back to Chlorine Binding Sites List in 1l75
Chlorine binding site 1 out of 3 in the Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl173

b:40.4
occ:1.00
 O A:HOH1032 3.0 34.7 1.0
N A:ASN144 3.1 13.4 1.0
O A:HOH935 3.4 63.3 1.0
N A:ARG145 3.4 15.0 1.0
CB A:ASN144 3.6 16.2 1.0
C A:THR142 3.6 20.7 1.0
CA A:ASN144 3.7 9.8 1.0
CA A:THR142 3.8 17.9 1.0
N A:PRO143 3.8 18.7 1.0
CB A:THR142 3.9 26.5 1.0
O A:THR142 4.0 17.0 1.0
C A:ASN144 4.1 39.9 1.0
C A:PRO143 4.1 16.8 1.0
CB A:ARG145 4.2 23.0 1.0
CD A:PRO143 4.3 12.8 1.0
CG A:ASN144 4.3 38.9 1.0
ND2 A:ASN144 4.4 21.9 1.0
CA A:ARG145 4.4 14.3 1.0
O A:HOH956 4.4 48.5 1.0
CA A:PRO143 4.5 19.3 1.0
CG2 A:THR142 4.6 17.6 1.0
O A:HOH970 4.8 44.0 1.0

Chlorine binding site 2 out of 3 in 1l75

Go back to Chlorine Binding Sites List in 1l75
Chlorine binding site 2 out of 3 in the Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl178

b:31.6
occ:0.50
 O A:HOH941 3.0 45.9 1.0
C A:LYS135 3.6 41.1 1.0
N A:SER136 3.8 19.8 1.0
CA A:LYS135 3.8 26.3 1.0
CB A:LYS135 4.0 20.5 1.0
O A:LYS135 4.1 31.4 1.0
OD1 A:ASN140 4.2 28.4 1.0
CA A:SER136 4.4 15.0 1.0
C A:SER136 4.6 12.5 1.0
O A:HOH1005 4.6 60.1 1.0
O A:SER136 4.8 12.8 1.0
CG A:LYS135 4.8 29.3 1.0

Chlorine binding site 3 out of 3 in 1l75

Go back to Chlorine Binding Sites List in 1l75
Chlorine binding site 3 out of 3 in the Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of Multiple Stabilizing Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl197

b:35.0
occ:1.00
 OG A:SER117 3.0 49.4 1.0
N A:SER117 3.2 29.2 1.0
N A:ASN116 3.6 29.5 1.0
C A:PHE114 3.7 46.0 1.0
CA A:PHE114 3.7 21.0 1.0
O A:PHE114 3.8 20.4 1.0
CB A:PHE114 3.9 21.7 1.0
CA A:ASN116 3.9 19.8 1.0
CB A:ASN116 4.0 30.6 1.0
C A:ASN116 4.0 31.0 1.0
CB A:SER117 4.0 18.8 1.0
CB A:ALA132 4.1 27.6 1.0
N A:THR115 4.1 21.4 1.0
CA A:SER117 4.1 13.1 1.0
CD1 A:PHE114 4.2 21.6 1.0
CG A:PHE114 4.4 16.6 1.0
O A:ALA132 4.5 19.1 1.0
C A:THR115 4.5 24.3 1.0
C A:ALA132 4.6 28.7 1.0
ND2 A:ASN116 4.7 44.7 1.0
CG A:ASN116 4.8 77.1 1.0
CA A:THR115 4.9 21.6 1.0
O A:GLY113 4.9 35.8 1.0
N A:ALA133 5.0 27.0 1.0
CA A:ALA132 5.0 29.9 1.0

Reference:

X.J.Zhang, W.A.Baase, B.W.Matthews. Multiple Alanine Replacements Within Alpha-Helix 126-134 of T4 Lysozyme Have Independent, Additive Effects on Both Structure and Stability. Protein Sci. V. 1 761 1992.
ISSN: ISSN 0961-8368
PubMed: 1304917
Page generated: Thu Jul 10 17:58:14 2025

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