Calcium in PDB 1c1m: Porcine Elastase Under Xenon Pressure (8 Bar)

All present enzymatic activity of Porcine Elastase Under Xenon Pressure (8 Bar):
3.4.21.36;

The structure of Porcine Elastase Under Xenon Pressure (8 Bar), PDB code: 1c1m was solved by T.Prange, M.Schiltz, L.Pernot, N.Colloc'h, S.Longhi, W.Bourguet, R.Fourme, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	17.70 / 2.20
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	52.190, 58.220, 75.770, 90.00, 90.00, 90.00
R / Rfree (%)	16.2 / 20.1

The structure of Porcine Elastase Under Xenon Pressure (8 Bar) also contains other interesting chemical elements:

Xenon

(Xe)

1 atom

The binding sites of Calcium atom in the Porcine Elastase Under Xenon Pressure (8 Bar) (pdb code 1c1m). 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 Porcine Elastase Under Xenon Pressure (8 Bar), PDB code: 1c1m:

Calcium binding site 1 out of 1 in the Porcine Elastase Under Xenon Pressure (8 Bar)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Porcine Elastase Under Xenon Pressure (8 Bar) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca280 b:22.9 occ:1.00 OE1 A:GLU70 2.2 10.8 1.0 O A:HOH404 2.3 21.5 1.0 O A:ASN72 2.3 10.6 1.0 O A:GLN75 2.4 10.3 1.0 OE2 A:GLU80 2.5 8.6 1.0 OD1 A:ASP77 2.6 15.5 1.0 CD A:GLU70 3.3 15.6 1.0 C A:ASN72 3.5 5.5 1.0 C A:GLN75 3.6 22.1 1.0 CG A:ASP77 3.6 20.1 1.0 CD A:GLU80 3.6 5.2 1.0 OE2 A:GLU70 3.7 25.0 1.0 N A:ASP77 3.9 15.5 1.0 CG A:GLU80 4.0 1.7 1.0 N A:ASN72 4.1 11.0 1.0 CB A:ASP77 4.1 19.0 1.0 CA A:ASN72 4.2 8.6 1.0 N A:GLN75 4.3 19.9 1.0 CA A:ASN76 4.3 23.6 1.0 N A:ASN76 4.4 23.3 1.0 N A:LEU73 4.5 5.1 1.0 C A:ASN76 4.5 24.2 1.0 CG A:GLU70 4.5 10.3 1.0 C A:LEU73 4.5 17.1 1.0 O A:LEU73 4.6 13.0 1.0 CA A:GLN75 4.6 21.3 1.0 CB A:ASN72 4.6 4.8 1.0 CA A:LEU73 4.6 14.9 1.0 OD2 A:ASP77 4.6 14.3 1.0 CA A:ASP77 4.7 14.6 1.0 N A:HIS71 4.7 8.0 1.0 OE1 A:GLU80 4.7 6.7 1.0 N A:ASN74 5.0 5.2 1.0

T.Prange, M.Schiltz, L.Pernot, N.Colloc'h, S.Longhi, W.Bourguet, R.Fourme. Exploring Hydrophobic Sites in Proteins with Xenon or Krypton. Proteins V. 30 61 1998.
ISSN: ISSN 0887-3585
PubMed: 9443341
DOI: 10.1002/(SICI)1097-0134(19980101)30:1<61::AID-PROT6>3.3.CO;2-O