Calcium in PDB 1ykt: Trypsin/Bpti Complex Mutant

All present enzymatic activity of Trypsin/Bpti Complex Mutant:
3.4.21.4;

The structure of Trypsin/Bpti Complex Mutant, PDB code: 1ykt was solved by C.K.Brown, D.H.Ohlendorf, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.28 / 1.70
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	92.711, 92.711, 62.270, 90.00, 90.00, 120.00
R / Rfree (%)	19.9 / 21.2

The binding sites of Calcium atom in the Trypsin/Bpti Complex Mutant (pdb code 1ykt). 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 Trypsin/Bpti Complex Mutant, PDB code: 1ykt:

Calcium binding site 1 out of 1 in the Trypsin/Bpti Complex Mutant


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Trypsin/Bpti Complex Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca800 b:25.0 occ:1.00 OE1 A:GLU70 2.5 22.0 1.0 O A:VAL75 2.5 21.6 1.0 O A:ASN72 2.5 19.3 1.0 OE2 A:GLU80 2.6 22.6 1.0 OE1 A:GLU77 2.7 31.5 1.0 O A:HOH526 2.7 26.2 1.0 CD A:GLU77 3.5 32.9 1.0 CD A:GLU80 3.5 22.7 1.0 CD A:GLU70 3.5 22.7 1.0 C A:ASN72 3.6 20.1 1.0 C A:VAL75 3.6 22.1 1.0 CG A:GLU77 3.7 29.1 1.0 CG A:GLU80 3.7 21.6 1.0 OE2 A:GLU70 4.0 23.6 1.0 N A:GLU77 4.0 24.5 1.0 N A:ASN72 4.2 19.2 1.0 CB A:GLU77 4.3 29.0 1.0 N A:VAL75 4.3 20.9 1.0 CA A:ASN72 4.4 19.7 1.0 CA A:LEU76 4.4 22.7 1.0 N A:ILE73 4.4 20.1 1.0 N A:LEU76 4.5 21.0 1.0 O A:HOH591 4.5 38.9 1.0 OE2 A:GLU77 4.5 33.9 1.0 CA A:ILE73 4.5 21.6 1.0 N A:HIS71 4.6 19.5 1.0 CA A:VAL75 4.6 21.2 1.0 CB A:ASN72 4.6 20.3 1.0 C A:ILE73 4.6 20.8 1.0 C A:LEU76 4.7 25.1 1.0 OE1 A:GLU80 4.7 22.9 1.0 CG A:GLU70 4.7 20.1 1.0 CA A:GLU70 4.7 19.2 1.0 CA A:GLU77 4.8 27.5 1.0 CB A:GLU70 4.9 21.5 1.0 O A:ILE73 4.9 18.9 1.0

I.V.Getun, C.K.Brown, J.Tulla-Puche, D.Ohlendorf, C.Woodward, G.Barany. Partially Folded Bovine Pancreatic Trypsin Inhibitor Analogues Attain Fully Native Structures When Co-Crystallized with S195A Rat Trypsin J.Mol.Biol. V. 375 812 2008.
ISSN: ISSN 0022-2836
PubMed: 18054043
DOI: 10.1016/J.JMB.2007.10.084