Calcium in PDB 1i9z: Crystal Structure of Inositol Polyphosphate 5-Phosphatase Domain (IPP5C) of Spsynaptojanin in Complex with Inositol (1,4)-Bisphosphate and Calcium Ion

The structure of Crystal Structure of Inositol Polyphosphate 5-Phosphatase Domain (IPP5C) of Spsynaptojanin in Complex with Inositol (1,4)-Bisphosphate and Calcium Ion, PDB code: 1i9z was solved by Y.Tsujishita, S.Guo, L.Stolz, J.D.York, J.H.Hurley, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	32.00 / 1.80
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	148.999, 67.705, 51.995, 90.00, 106.15, 90.00
R / Rfree (%)	19.1 / 21.8

The binding sites of Calcium atom in the Crystal Structure of Inositol Polyphosphate 5-Phosphatase Domain (IPP5C) of Spsynaptojanin in Complex with Inositol (1,4)-Bisphosphate and Calcium Ion (pdb code 1i9z). 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 Inositol Polyphosphate 5-Phosphatase Domain (IPP5C) of Spsynaptojanin in Complex with Inositol (1,4)-Bisphosphate and Calcium Ion, PDB code: 1i9z:

Calcium binding site 1 out of 1 in the Crystal Structure of Inositol Polyphosphate 5-Phosphatase Domain (IPP5C) of Spsynaptojanin in Complex with Inositol (1,4)-Bisphosphate and Calcium 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 Inositol Polyphosphate 5-Phosphatase Domain (IPP5C) of Spsynaptojanin in Complex with Inositol (1,4)-Bisphosphate and Calcium Ion within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:31.9 occ:1.00 O A:HOH200 2.2 26.1 1.0 O A:HOH117 2.2 28.7 1.0 O A:HOH198 2.3 14.0 1.0 O A:HOH211 2.8 42.5 1.0 OE2 A:GLU597 2.8 19.9 1.0 OE1 A:GLU597 2.9 19.2 1.0 OD1 A:ASN568 3.2 17.3 1.0 CD A:GLU597 3.2 19.9 1.0 O A:HOH221 3.3 51.7 1.0 O A:HOH199 3.3 29.0 1.0 O A:HOH222 3.6 45.7 1.0 OD2 A:ASP838 4.0 23.4 1.0 CG A:ASN568 4.1 19.1 1.0 O A:HOH173 4.2 51.0 1.0 O42 A:2IP302 4.2 50.0 0.5 O43 A:2IP302 4.2 51.8 0.5 OD1 A:ASP838 4.2 16.4 1.0 P4 A:2IP302 4.4 51.6 0.5 O41 A:2IP302 4.4 52.7 0.5 CG A:ASP838 4.5 20.3 1.0 CB A:ASN568 4.6 16.1 1.0 OD1 A:ASN566 4.6 16.0 1.0 CA A:ASN568 4.6 15.5 1.0 CG A:GLU597 4.7 15.7 1.0 NE2 A:GLN600 4.9 45.1 1.0 ND2 A:ASN566 4.9 15.3 1.0 NE2 A:HIS839 5.0 15.7 1.0

Y.Tsujishita, S.Guo, L.E.Stolz, J.D.York, J.H.Hurley. Specificity Determinants in Phosphoinositide Dephosphorylation: Crystal Structure of An Archetypal Inositol Polyphosphate 5-Phosphatase. Cell(Cambridge,Mass.) V. 105 379 2001.
ISSN: ISSN 0092-8674
PubMed: 11348594
DOI: 10.1016/S0092-8674(01)00326-9