Calcium in PDB 1qqu: Crystal Structure of Porcine Beta Trypsin with Bound Acetate Ion

All present enzymatic activity of Crystal Structure of Porcine Beta Trypsin with Bound Acetate Ion:
3.4.21.4;

The structure of Crystal Structure of Porcine Beta Trypsin with Bound Acetate Ion, PDB code: 1qqu was solved by A.Johnson, N.Gautham, V.Pattabhi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.63
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	78.000, 53.900, 47.260, 90.00, 90.00, 90.00
R / Rfree (%)	19.3 / 25.5

The binding sites of Calcium atom in the Crystal Structure of Porcine Beta Trypsin with Bound Acetate Ion (pdb code 1qqu). 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 Porcine Beta Trypsin with Bound Acetate Ion, PDB code: 1qqu:

Calcium binding site 1 out of 1 in the Crystal Structure of Porcine Beta Trypsin with Bound Acetate Ion


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 Porcine Beta Trypsin with Bound Acetate Ion within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca389 b:2.3 occ:1.00 OE1 A:GLU80 2.4 18.0 1.0 O A:VAL75 2.4 18.9 1.0 O A:ASN72 2.4 14.8 1.0 OE1 A:GLU70 2.4 12.4 1.0 OE1 A:GLU77 2.5 18.5 1.0 O A:HOH413 2.6 17.6 1.0 CD A:GLU77 3.2 21.1 1.0 CG A:GLU77 3.3 23.6 1.0 CD A:GLU80 3.5 23.2 1.0 CD A:GLU70 3.5 19.5 1.0 C A:ASN72 3.5 19.0 1.0 C A:VAL75 3.6 19.4 1.0 CG A:GLU80 3.9 19.7 1.0 OE2 A:GLU70 3.9 17.4 1.0 N A:GLU77 3.9 31.6 1.0 CA A:LEU76 4.1 30.9 1.0 CB A:GLU77 4.1 38.5 1.0 N A:ASN72 4.2 12.3 1.0 OE2 A:GLU77 4.3 23.6 1.0 N A:LEU76 4.3 20.1 1.0 CA A:ASN72 4.3 13.2 1.0 C A:LEU76 4.4 31.7 1.0 N A:VAL75 4.4 17.5 1.0 N A:ILE73 4.4 15.5 1.0 CA A:ILE73 4.5 17.2 1.0 OE2 A:GLU80 4.5 23.9 1.0 CA A:VAL75 4.6 17.6 1.0 CB A:ASN72 4.6 17.5 1.0 N A:HIS71 4.6 17.6 1.0 O A:HOH412 4.6 39.0 1.0 CA A:GLU77 4.7 26.6 1.0 CG A:GLU70 4.7 14.4 1.0 C A:ILE73 4.7 19.2 1.0 CA A:GLU70 4.8 15.5 1.0 O A:HOH414 4.9 36.1 1.0 CG A:LEU76 5.0 46.6 1.0 CB A:GLU70 5.0 13.2 1.0

A.Johnson, N.Gautham, V.Pattabhi. Crystal Structure at 1.63 A Resolution of the Native Form of Porcine Beta-Trypsin: Revealing An Acetate Ion Binding Site and Functional Water Network. Biochim.Biophys.Acta V.1435 7 1999.
ISSN: ISSN 0006-3002
PubMed: 10561533
DOI: 10.1016/S0167-4838(99)00202-2