Calcium in PDB 1xyn: Structural Comparison of Two Major Endo-1,4-Beta-Xylanases From Trichodrema Reesei

All present enzymatic activity of Structural Comparison of Two Major Endo-1,4-Beta-Xylanases From Trichodrema Reesei:
3.2.1.8;

The structure of Structural Comparison of Two Major Endo-1,4-Beta-Xylanases From Trichodrema Reesei, PDB code: 1xyn was solved by J.Rouvinen, A.Torronen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 2.00
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	72.250, 39.010, 54.300, 90.00, 91.80, 90.00
R / Rfree (%)	18.5 / n/a

The binding sites of Calcium atom in the Structural Comparison of Two Major Endo-1,4-Beta-Xylanases From Trichodrema Reesei (pdb code 1xyn). 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 Structural Comparison of Two Major Endo-1,4-Beta-Xylanases From Trichodrema Reesei, PDB code: 1xyn:

Calcium binding site 1 out of 1 in the Structural Comparison of Two Major Endo-1,4-Beta-Xylanases From Trichodrema Reesei


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structural Comparison of Two Major Endo-1,4-Beta-Xylanases From Trichodrema Reesei within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca601 b:15.5 occ:1.00 OD2 A:ASP81 2.6 31.3 1.0 NE2 A:HIS83 2.7 27.0 1.0 OD1 A:ASP81 2.9 22.6 1.0 O A:HOH556 2.9 12.5 1.0 CE1 A:HIS83 3.0 24.1 1.0 CG A:ASP81 3.1 23.1 1.0 CD2 A:HIS83 4.0 21.0 1.0 ND1 A:HIS83 4.2 22.0 1.0 O A:HOH525 4.3 13.8 1.0 O A:PHE54 4.4 18.3 1.0 CB A:ASP81 4.6 20.0 1.0 CD2 A:PHE54 4.6 16.0 1.0 CG2 A:THR133 4.7 17.9 1.0 CG A:HIS83 4.8 15.0 1.0

A.Torronen, J.Rouvinen. Structural Comparison of Two Major Endo-1,4-Xylanases From Trichoderma Reesei. Biochemistry V. 34 847 1995.
ISSN: ISSN 0006-2960
PubMed: 7827044
DOI: 10.1021/BI00003A019