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Zinc in PDB 1kwg: Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase

Enzymatic activity of Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase

All present enzymatic activity of Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase:
3.2.1.23;

Protein crystallography data

The structure of Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase, PDB code: 1kwg was solved by M.Hidaka, S.Fushinobu, N.Ohtsu, H.Motoshima, H.Matsuzawa, H.Shoun, T.Wakagi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 19.73 / 1.60
Space group P 3 2 1
Cell size a, b, c (Å), α, β, γ (°) 97.737, 97.737, 129.370, 90.00, 90.00, 120.00
R / Rfree (%) 16.7 / 18.4

Other elements in 1kwg:

The structure of Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Zinc Binding Sites:

The binding sites of Zinc atom in the Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase (pdb code 1kwg). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase, PDB code: 1kwg:

Zinc binding site 1 out of 1 in 1kwg

Go back to Zinc Binding Sites List in 1kwg
Zinc binding site 1 out of 1 in the Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Crystal Structure of Thermus Thermophilus A4 Beta-Galactosidase within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn806

b:16.1
occ:1.00
SG A:CYS152 2.3 15.2 1.0
SG A:CYS150 2.4 13.1 1.0
SG A:CYS106 2.4 15.9 1.0
SG A:CYS155 2.4 15.0 1.0
CB A:CYS150 3.2 14.7 1.0
CB A:CYS106 3.3 12.3 1.0
CB A:CYS152 3.4 15.2 1.0
CB A:CYS155 3.5 14.9 1.0
N A:CYS152 3.8 14.2 1.0
N A:CYS155 3.9 15.0 1.0
CA A:CYS152 4.1 14.1 1.0
CA A:CYS155 4.2 14.5 1.0
C A:CYS150 4.3 12.2 1.0
CA A:CYS150 4.4 12.7 1.0
CA A:CYS106 4.4 11.6 1.0
O A:HOH877 4.4 14.5 1.0
CB A:SER108 4.5 13.4 1.0
O A:CYS150 4.6 13.3 1.0
O A:CYS152 4.6 14.7 1.0
C A:CYS152 4.6 15.7 1.0
N A:TYR151 4.6 11.9 1.0
CB A:ARG154 4.7 15.4 1.0
O A:HOH1075 4.8 24.9 1.0
C A:ARG154 4.8 15.3 1.0
OG A:SER108 4.8 14.0 1.0
N A:SER108 4.9 13.8 1.0
C A:TYR151 5.0 14.4 1.0

Reference:

M.Hidaka, S.Fushinobu, N.Ohtsu, H.Motoshima, H.Matsuzawa, H.Shoun, T.Wakagi. Trimeric Crystal Structure of the Glycoside Hydrolase Family 42 Beta-Galactosidase From Thermus Thermophilus A4 and the Structure of Its Complex with Galactose J.Mol.Biol. V. 322 79 2002.
ISSN: ISSN 0022-2836
PubMed: 12215416
DOI: 10.1016/S0022-2836(02)00746-5
Page generated: Wed Dec 16 02:55:40 2020

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