Calcium in PDB 1epf: Crystal Structure of the Two N-Terminal Immunoglobulin Domains of the Neural Cell Adhesion Molecule (Ncam)

The structure of Crystal Structure of the Two N-Terminal Immunoglobulin Domains of the Neural Cell Adhesion Molecule (Ncam), PDB code: 1epf was solved by C.Kasper, H.Rasmussen, J.S.Kastrup, S.Ikemizu, E.Y.Jones, V.Berezin, E.Bock, I.K.Larsen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 1.85
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	47.078, 122.505, 72.859, 90.00, 98.27, 90.00
R / Rfree (%)	20.1 / 23.4

The binding sites of Calcium atom in the Crystal Structure of the Two N-Terminal Immunoglobulin Domains of the Neural Cell Adhesion Molecule (Ncam) (pdb code 1epf). 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 the Two N-Terminal Immunoglobulin Domains of the Neural Cell Adhesion Molecule (Ncam), PDB code: 1epf:

Calcium binding site 1 out of 1 in the Crystal Structure of the Two N-Terminal Immunoglobulin Domains of the Neural Cell Adhesion Molecule (Ncam)


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 the Two N-Terminal Immunoglobulin Domains of the Neural Cell Adhesion Molecule (Ncam) within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca5001 b:25.6 occ:1.00 O C:HOH5270 2.4 24.8 1.0 OE2 C:GLU82 2.5 21.1 1.0 O C:HOH5140 2.6 21.1 1.0 O C:HOH5324 2.6 57.0 1.0 O C:HOH5141 2.6 28.5 1.0 CD C:GLU82 3.6 22.5 1.0 CG C:GLU82 4.1 23.1 1.0 O C:HOH5330 4.5 46.0 1.0 O C:GLU82 4.5 24.2 1.0 OE1 C:GLU82 4.6 21.9 1.0 O C:HOH5139 4.7 32.6 1.0

C.Kasper, H.Rasmussen, J.S.Kastrup, S.Ikemizu, E.Y.Jones, V.Berezin, E.Bock, I.K.Larsen. Structural Basis of Cell-Cell Adhesion By Ncam. Nat.Struct.Biol. V. 7 389 2000.
ISSN: ISSN 1072-8368
PubMed: 10802736
DOI: 10.1038/75165