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Zinc in PDB 2e4t: Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum

Enzymatic activity of Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum

All present enzymatic activity of Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum:
3.2.1.151; 3.2.1.4;

Protein crystallography data

The structure of Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum, PDB code: 2e4t was solved by Y.Kitago, S.Karita, N.Watanabe, K.Sakka, I.Tanaka, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 0.96
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 48.077, 59.155, 170.684, 90.00, 90.00, 90.00
R / Rfree (%) 13.3 / 14.6

Other elements in 2e4t:

The structure of Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum also contains other interesting chemical elements:

Chlorine (Cl) 1 atom
Calcium (Ca) 1 atom

Zinc Binding Sites:

The binding sites of Zinc atom in the Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum (pdb code 2e4t). 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 CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum, PDB code: 2e4t:

Zinc binding site 1 out of 1 in 2e4t

Go back to Zinc Binding Sites List in 2e4t
Zinc binding site 1 out of 1 in the Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum


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 CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn700

b:5.0
occ:0.88
 OE1 A:GLU401 1.9 5.7 1.0
OD2 A:ASP35 2.0 5.8 1.0
O A:ALA395 2.0 6.2 1.0
CD A:GLU401 2.7 5.0 1.0
OE2 A:GLU401 2.7 5.7 1.0
CG A:ASP35 2.9 5.8 1.0
C A:ALA395 3.1 5.6 1.0
CB A:ASP35 3.3 5.9 1.0
CA A:ALA395 3.7 5.6 1.0
CB A:ALA395 3.8 6.9 1.0
OD1 A:ASP35 4.1 6.7 1.0
CG A:GLU401 4.2 5.6 1.0
N A:SER396 4.2 5.8 1.0
CA A:ASN398 4.4 5.7 1.0
N A:ASP35 4.4 5.7 1.0
CA A:ASP35 4.4 5.6 1.0
CA A:SER396 4.6 6.0 1.0
N A:ASN398 4.6 5.5 1.0
CB A:ASN398 4.6 6.1 1.0
C1 A:GOL1602 4.7 8.7 1.0
C A:SER396 4.7 6.2 1.0
N A:ASN397 4.7 5.9 1.0
CB A:GLU401 4.8 5.3 1.0
C A:ASN397 4.8 5.8 1.0
O1 A:GOL1602 4.9 8.3 1.0
O A:ASP35 4.9 6.6 1.0
O A:ASN397 4.9 5.8 1.0

Reference:

Y.Kitago, S.Karita, N.Watanabe, M.Kamiya, T.Aizawa, K.Sakka, I.Tanaka. Crystal Structure of CEL44A, A Glycoside Hydrolase Family 44 Endoglucanase From Clostridium Thermocellum. J.Biol.Chem. V. 282 35703 2007.
ISSN: ISSN 0021-9258
PubMed: 17905739
DOI: 10.1074/JBC.M706835200
Page generated: Wed Oct 16 22:58:46 2024

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