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Calcium in PDB 1qix: Porcine Pancreatic Elastase Complexed with Human Beta-Casomorphin-7

Enzymatic activity of Porcine Pancreatic Elastase Complexed with Human Beta-Casomorphin-7

All present enzymatic activity of Porcine Pancreatic Elastase Complexed with Human Beta-Casomorphin-7:
3.4.21.11;

Protein crystallography data

The structure of Porcine Pancreatic Elastase Complexed with Human Beta-Casomorphin-7, PDB code: 1qix was solved by R.C.Wilmouth, I.J.Clifton, J.Hajdu, C.J.Schofield, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 38.5 / 1.90
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 51.282, 58.240, 75.437, 90.00, 90.00, 90.00
R / Rfree (%) 17.2 / 21.9

Calcium Binding Sites:

The binding sites of Calcium atom in the Porcine Pancreatic Elastase Complexed with Human Beta-Casomorphin-7 (pdb code 1qix). 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 Pancreatic Elastase Complexed with Human Beta-Casomorphin-7, PDB code: 1qix:

Calcium binding site 1 out of 1 in 1qix

Go back to Calcium Binding Sites List in 1qix
Calcium binding site 1 out of 1 in the Porcine Pancreatic Elastase Complexed with Human Beta-Casomorphin-7


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Porcine Pancreatic Elastase Complexed with Human Beta-Casomorphin-7 within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca260

b:17.4
occ:1.00
OD1 B:ASN77 2.3 17.8 1.0
OE2 B:GLU80 2.3 14.9 1.0
O B:GLN75 2.3 17.5 1.0
O B:ASN72 2.3 13.5 1.0
OE1 B:GLU70 2.3 18.4 1.0
O B:HOH2028 2.4 24.0 1.0
CD B:GLU70 3.2 15.8 1.0
CG B:ASN77 3.3 16.9 1.0
OE2 B:GLU70 3.4 20.5 1.0
CD B:GLU80 3.4 15.9 1.0
C B:GLN75 3.5 23.4 1.0
C B:ASN72 3.5 12.0 1.0
N B:ASN77 3.7 16.1 1.0
CG B:GLU80 3.8 11.4 1.0
CB B:ASN77 3.9 15.7 1.0
N B:ASN72 4.0 11.2 1.0
CA B:ASN76 4.2 21.8 1.0
N B:ASN76 4.3 22.2 1.0
CA B:ASN72 4.3 12.4 1.0
N B:GLN75 4.3 23.3 1.0
C B:ASN76 4.3 20.8 1.0
ND2 B:ASN77 4.3 15.3 1.0
CA B:ASN77 4.4 16.4 1.0
OE1 B:GLU80 4.4 13.9 1.0
N B:LEU73 4.5 15.0 1.0
CA B:GLN75 4.5 24.9 1.0
CA B:LEU73 4.6 15.6 1.0
N B:HIS71 4.6 11.4 1.0
C B:LEU73 4.6 19.5 1.0
CB B:ASN72 4.6 14.4 1.0
CG B:GLU70 4.6 12.6 1.0
O B:LEU73 4.8 19.3 1.0
O B:HOH2031 4.9 40.1 1.0

Reference:

R.C.Wilmouth, I.J.Clifton, C.V.Robinson, P.L.Roach, R.T.Aplin, N.J.Westwood, J.Hajdu, C.J.Schofield. Structure of A Specific Acyl-Enzyme Complex Formed Between Beta-Casomorphin-7 and Porcine Pancreatic Elastase Nat.Struct.Biol. V. 4 456 1997.
ISSN: ISSN 1072-8368
PubMed: 9187653
DOI: 10.1038/NSB0697-456
Page generated: Thu Jul 11 21:49:15 2024

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