Calcium in PDB 3par: Surfactant Protein-A Neck and Carbohydrate Recognition Domain (Ncrd) in the Absence of Ligand

The structure of Surfactant Protein-A Neck and Carbohydrate Recognition Domain (Ncrd) in the Absence of Ligand, PDB code: 3par was solved by F.Shang, M.J.Rynkiewicz, F.X.Mccormack, H.Wu, T.M.Cafarella, J.Head, B.A.Seaton, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	32.19 / 2.30
Space group	P 63
Cell size a, b, c (Å), α, β, γ (°)	98.351, 98.351, 44.744, 90.00, 90.00, 120.00
R / Rfree (%)	22.7 / 23.8

The binding sites of Calcium atom in the Surfactant Protein-A Neck and Carbohydrate Recognition Domain (Ncrd) in the Absence of Ligand (pdb code 3par). 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 Surfactant Protein-A Neck and Carbohydrate Recognition Domain (Ncrd) in the Absence of Ligand, PDB code: 3par:

Calcium binding site 1 out of 1 in the Surfactant Protein-A Neck and Carbohydrate Recognition Domain (Ncrd) in the Absence of Ligand


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Surfactant Protein-A Neck and Carbohydrate Recognition Domain (Ncrd) in the Absence of Ligand within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca300 b:43.1 occ:1.00 O A:HOH308 2.3 42.8 1.0 OD1 A:ASP215 2.3 47.7 1.0 O A:ASP215 2.4 45.0 1.0 OE1 A:GLU195 2.4 34.1 1.0 OD1 A:ASN214 2.5 42.0 1.0 O A:ARG197 2.5 56.5 1.0 O A:HOH325 2.6 48.1 1.0 CD A:GLU195 3.4 35.1 1.0 CG A:ASP215 3.4 48.0 1.0 C A:ASP215 3.5 44.9 1.0 N A:ASP215 3.5 41.6 1.0 CG A:ASN214 3.6 41.1 1.0 OE2 A:GLU195 3.7 35.3 1.0 C A:ARG197 3.7 55.9 1.0 CA A:ASP215 3.9 43.8 1.0 N A:ARG197 4.1 50.2 1.0 ND2 A:ASN214 4.2 41.9 1.0 CB A:ASP215 4.3 45.8 1.0 OD2 A:ASP215 4.3 47.4 1.0 C A:ASN214 4.4 40.2 1.0 CA A:ARG197 4.5 53.1 1.0 CG A:ARG197 4.6 51.2 1.0 N A:GLY198 4.6 59.0 1.0 CA A:GLY198 4.6 62.5 1.0 CG A:GLU195 4.6 34.2 1.0 N A:ARG216 4.7 45.8 1.0 O A:HOH310 4.7 40.7 1.0 CA A:ASN214 4.7 38.4 1.0 CB A:ASN214 4.7 39.9 1.0 O A:HOH309 4.8 47.3 1.0

F.Shang, M.J.Rynkiewicz, F.X.Mccormack, H.Wu, T.M.Cafarella, J.F.Head, B.A.Seaton. Crystallographic Complexes of Surfactant Protein A and Carbohydrates Reveal Ligand-Induced Conformational Change. J.Biol.Chem. V. 286 757 2011.
ISSN: ISSN 0021-9258
PubMed: 21047777
DOI: 10.1074/JBC.M110.175265