Calcium in PDB 1sfi: High Resolution Structure of A Potent, Cyclic Protease Inhibitor From Sunflower Seeds

All present enzymatic activity of High Resolution Structure of A Potent, Cyclic Protease Inhibitor From Sunflower Seeds:
3.4.21.4;

The structure of High Resolution Structure of A Potent, Cyclic Protease Inhibitor From Sunflower Seeds, PDB code: 1sfi was solved by S.Luckett, R.S.Garcia, J.J.Barker, A.V.Konarev, P.Shewry, A.R.Clarke, R.L.Brady, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.65
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	60.610, 64.430, 70.620, 90.00, 90.00, 90.00
R / Rfree (%)	17.5 / 20.4

The binding sites of Calcium atom in the High Resolution Structure of A Potent, Cyclic Protease Inhibitor From Sunflower Seeds (pdb code 1sfi). 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 High Resolution Structure of A Potent, Cyclic Protease Inhibitor From Sunflower Seeds, PDB code: 1sfi:

Calcium binding site 1 out of 1 in the High Resolution Structure of A Potent, Cyclic Protease Inhibitor From Sunflower Seeds


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of High Resolution Structure of A Potent, Cyclic Protease Inhibitor From Sunflower Seeds within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca304 b:15.7 occ:1.00 OE1 A:GLU70 2.3 14.1 1.0 O A:VAL75 2.4 17.2 1.0 OE2 A:GLU80 2.4 16.2 1.0 O A:HOH405 2.4 14.6 1.0 O A:HOH429 2.4 16.5 1.0 O A:ASN72 2.4 15.6 1.0 CD A:GLU70 3.4 15.4 1.0 CD A:GLU80 3.4 14.7 1.0 C A:VAL75 3.6 17.5 1.0 C A:ASN72 3.6 15.6 1.0 CG A:GLU80 3.7 16.6 1.0 OE2 A:GLU70 3.8 16.4 1.0 N A:GLU77 4.1 15.8 1.0 CA A:VAL76 4.2 16.1 1.0 CA A:ILE73 4.2 16.6 1.0 N A:VAL75 4.3 20.1 1.0 N A:VAL76 4.3 17.0 1.0 N A:ILE73 4.4 14.8 1.0 OE1 A:GLU77 4.4 18.8 1.0 N A:ASN72 4.4 15.5 1.0 O A:HOH516 4.4 16.4 1.0 CG A:GLU77 4.5 18.3 1.0 C A:ILE73 4.5 18.0 1.0 OE1 A:GLU80 4.5 16.1 1.0 CA A:ASN72 4.5 15.8 1.0 CA A:VAL75 4.5 19.2 1.0 N A:ASP71 4.6 14.4 1.0 C A:VAL76 4.7 17.6 1.0 CG A:GLU70 4.7 14.0 1.0 CB A:ASN72 4.7 14.4 1.0 CB A:GLU77 4.7 17.9 1.0 CA A:GLU70 4.8 13.6 1.0 O A:HOH519 4.8 19.8 1.0 CB A:GLU70 4.8 12.8 1.0 O A:ILE73 4.8 17.9 1.0 N A:ASN74 4.9 16.6 1.0 CD A:GLU77 4.9 20.9 1.0

S.Luckett, R.S.Garcia, J.J.Barker, A.V.Konarev, P.R.Shewry, A.R.Clarke, R.L.Brady. High-Resolution Structure of A Potent, Cyclic Proteinase Inhibitor From Sunflower Seeds. J.Mol.Biol. V. 290 525 1999.
ISSN: ISSN 0022-2836
PubMed: 10390350
DOI: 10.1006/JMBI.1999.2891