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Calcium in PDB 1tld: Crystal Structure of Bovine Beta-Trypsin at 1.5 Angstroms Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure

Enzymatic activity of Crystal Structure of Bovine Beta-Trypsin at 1.5 Angstroms Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure

All present enzymatic activity of Crystal Structure of Bovine Beta-Trypsin at 1.5 Angstroms Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure:
3.4.21.4;

Protein crystallography data

The structure of Crystal Structure of Bovine Beta-Trypsin at 1.5 Angstroms Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure, PDB code: 1tld was solved by H.D.Bartunik, L.J.Summers, H.H.Bartsch, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 7.00 / 1.50
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 63.700, 63.500, 68.900, 90.00, 90.00, 90.00
R / Rfree (%) 16.7 / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Bovine Beta-Trypsin at 1.5 Angstroms Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure (pdb code 1tld). 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 Bovine Beta-Trypsin at 1.5 Angstroms Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure, PDB code: 1tld:

Calcium binding site 1 out of 1 in 1tld

Go back to Calcium Binding Sites List in 1tld
Calcium binding site 1 out of 1 in the Crystal Structure of Bovine Beta-Trypsin at 1.5 Angstroms Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure


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 Bovine Beta-Trypsin at 1.5 Angstroms Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca480

b:18.9
occ:1.00
 OE1 A:GLU70 2.2 17.6 1.0
O A:HOH714 2.3 16.0 1.0
O A:ASN72 2.3 12.7 1.0
O A:VAL75 2.3 15.7 1.0
OE2 A:GLU80 2.4 17.2 1.0
CD A:GLU70 3.3 17.6 1.0
CD A:GLU80 3.4 17.2 1.0
C A:VAL75 3.5 15.7 1.0
C A:ASN72 3.5 12.7 1.0
OE2 A:GLU70 3.7 17.6 1.0
CG A:GLU80 3.8 17.2 1.0
CA A:VAL76 4.1 20.1 1.0
N A:GLU77 4.2 16.5 1.0
N A:VAL76 4.2 20.1 1.0
CG A:GLU77 4.3 27.8 1.0
N A:ASN72 4.3 12.7 1.0
OE1 A:GLU77 4.3 27.8 1.0
CA A:ILE73 4.3 14.9 1.0
N A:VAL75 4.4 15.7 1.0
O A:HOH706 4.4 11.2 1.0
CA A:ASN72 4.4 12.7 1.0
N A:ILE73 4.4 14.9 1.0
N A:ASP71 4.5 13.1 1.0
CA A:VAL75 4.5 15.7 1.0
OE1 A:GLU80 4.5 17.2 1.0
C A:ILE73 4.6 14.9 1.0
CB A:ASN72 4.6 12.7 1.0
C A:VAL76 4.7 20.1 1.0
CG A:GLU70 4.7 17.6 1.0
CD A:GLU77 4.8 27.8 1.0
CA A:GLU70 4.8 13.4 1.0
CB A:GLU77 4.9 16.5 1.0
N A:ASN74 4.9 16.7 1.0
CB A:GLU70 4.9 13.4 1.0
O A:ILE73 5.0 14.9 1.0

Reference:

H.D.Bartunik, L.J.Summers, H.H.Bartsch. Crystal Structure of Bovine Beta-Trypsin at 1.5 A Resolution in A Crystal Form with Low Molecular Packing Density. Active Site Geometry, Ion Pairs and Solvent Structure. J.Mol.Biol. V. 210 813 1989.
ISSN: ISSN 0022-2836
PubMed: 2614845
DOI: 10.1016/0022-2836(89)90110-1
Page generated: Tue Jul 8 02:16:53 2025

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