Calcium in PDB 5ptp: Structure of Hydrolase (Serine Proteinase)

All present enzymatic activity of Structure of Hydrolase (Serine Proteinase):
3.4.21.4;

The structure of Structure of Hydrolase (Serine Proteinase), PDB code: 5ptp was solved by R.M.Stroud, J.Finer-Moore, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	7.00 / 1.34
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	54.840, 58.610, 67.470, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The binding sites of Calcium atom in the Structure of Hydrolase (Serine Proteinase) (pdb code 5ptp). 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 Structure of Hydrolase (Serine Proteinase), PDB code: 5ptp:

Calcium binding site 1 out of 1 in the Structure of Hydrolase (Serine Proteinase)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Hydrolase (Serine Proteinase) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca247 b:19.3 occ:1.00 O A:VAL75 2.2 10.3 1.0 O A:HOH290 2.3 11.8 1.0 OE1 A:GLU70 2.3 11.4 1.0 OE2 A:GLU80 2.3 11.1 1.0 O A:ASN72 2.3 10.0 1.0 O A:HOH291 2.3 12.2 1.0 C A:VAL75 3.3 10.1 1.0 CD A:GLU70 3.3 10.7 1.0 CD A:GLU80 3.4 11.9 1.0 C A:ASN72 3.5 8.8 1.0 OE2 A:GLU70 3.6 11.0 1.0 CG A:GLU80 3.8 12.6 1.0 N A:VAL76 4.0 11.6 1.0 N A:GLU77 4.0 12.3 1.0 CA A:VAL76 4.0 12.0 1.0 N A:VAL75 4.1 9.8 1.0 OE1 A:GLU77 4.2 14.3 1.0 N A:ASN72 4.2 10.1 1.0 N A:ILE73 4.2 8.8 1.0 O A:HOH286 4.3 12.7 1.0 CA A:ILE73 4.3 9.8 1.0 CA A:VAL75 4.3 9.6 1.0 CA A:ASN72 4.3 8.3 1.0 OE1 A:GLU80 4.4 10.6 1.0 CG A:GLU77 4.5 14.3 1.0 N A:ASP71 4.5 9.3 1.0 C A:VAL76 4.5 13.4 1.0 CG A:GLU70 4.5 10.8 1.0 C A:ILE73 4.6 11.0 1.0 CA A:GLU70 4.7 9.1 1.0 O A:HOH337 4.7 24.8 1.0 CB A:GLU70 4.7 10.0 1.0 CB A:ASN72 4.7 9.6 1.0 CD A:GLU77 4.7 15.6 1.0 N A:ASN74 4.8 9.7 1.0 CB A:GLU77 4.9 11.8 1.0 C A:ASP71 4.9 10.5 1.0

J.S.Finer-Moore, A.A.Kossiakoff, J.H.Hurley, T.Earnest, R.M.Stroud. Solvent Structure in Crystals of Trypsin Determined By X-Ray and Neutron Diffraction. Proteins V. 12 203 1992.
ISSN: ISSN 0887-3585
PubMed: 1557349
DOI: 10.1002/PROT.340120302