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Calcium in PDB 2eo7: 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: 2eo7 was solved by Y.Kitao, 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) 19.69 / 1.75
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 47.911, 59.134, 170.440, 90.00, 90.00, 90.00
R / Rfree (%) 16.1 / 18.7

Other elements in 2eo7:

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

Chlorine (Cl) 1 atom
Zinc (Zn) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum (pdb code 2eo7). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of CEL44A, Gh Family 44 Endoglucanase From Clostridium Thermocellum, PDB code: 2eo7:

Calcium binding site 1 out of 1 in 2eo7

Go back to Calcium Binding Sites List in 2eo7
Calcium 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 Calcium with other atoms in the Ca 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:Ca701

b:13.3
occ:1.00
 O A:ASP150 2.3 18.9 1.0
O A:TYR155 2.3 13.6 1.0
O A:HOH900 2.4 16.1 1.0
OD1 A:ASP153 2.4 17.9 1.0
OE1 A:GLU54 2.4 16.3 1.0
OE2 A:GLU54 2.5 13.3 1.0
O A:HOH929 2.5 15.6 1.0
CD A:GLU54 2.8 12.9 1.0
CG A:ASP153 3.4 20.4 1.0
C A:ASP150 3.5 20.5 1.0
C A:TYR155 3.5 14.5 1.0
OD2 A:ASP153 3.7 19.8 1.0
CA A:THR151 4.3 23.8 1.0
O A:HOH924 4.3 15.6 1.0
N A:THR151 4.3 21.1 1.0
CG A:GLU54 4.3 12.8 1.0
N A:TYR155 4.3 16.2 1.0
CG2 A:VAL156 4.4 12.8 1.0
N A:VAL156 4.4 12.8 1.0
CA A:VAL156 4.4 12.1 1.0
CA A:TYR155 4.4 15.7 1.0
CA A:ASP150 4.5 21.6 1.0
O A:ASP153 4.5 19.0 1.0
N A:ASP150 4.5 20.3 1.0
O A:HOH970 4.6 15.7 1.0
O A:HOH940 4.7 12.8 1.0
N A:ASP153 4.7 22.8 1.0
C A:THR151 4.7 24.3 1.0
CB A:ASP150 4.7 22.4 1.0
CB A:ASP153 4.7 19.7 1.0
C A:ASP153 4.7 19.6 1.0
CA A:ASP153 5.0 20.2 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: Tue Jul 8 05:22:29 2025

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