Calcium in PDB 1uov: Calcium Binding Domain C2B

The structure of Calcium Binding Domain C2B, PDB code: 1uov was solved by Y.Cheng, S.M.Sequeira, T.H.Sollner, D.J.Patel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20 / 1.65
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	54.678, 54.678, 103.767, 90.00, 90.00, 120.00
R / Rfree (%)	16.207 / 19.585

The binding sites of Calcium atom in the Calcium Binding Domain C2B (pdb code 1uov). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Calcium Binding Domain C2B, PDB code: 1uov:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Calcium Binding Domain C2B


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Calcium Binding Domain C2B within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1419 b:20.5 occ:1.00 O A:HOH2084 2.3 21.8 1.0 OD2 A:ASP363 2.3 16.0 1.0 O A:HOH2021 2.4 28.2 1.0 O A:MET302 2.4 18.6 1.0 OD1 A:ASP303 2.4 19.6 1.0 OD2 A:ASP365 2.5 19.6 1.0 O A:HOH2024 2.6 28.0 1.0 OD1 A:ASP365 2.7 18.1 1.0 CG A:ASP365 3.0 18.2 1.0 C A:MET302 3.4 18.6 1.0 CG A:ASP303 3.5 21.9 1.0 CG A:ASP363 3.6 14.9 1.0 CA A:CA1420 3.7 18.1 1.0 O A:HOH2083 3.7 17.3 1.0 CA A:ASP303 4.1 21.9 1.0 N A:ASP303 4.2 20.2 1.0 CB A:MET302 4.2 17.7 1.0 OD2 A:ASP303 4.2 25.1 1.0 OD1 A:ASP363 4.3 15.1 1.0 CB A:ASP303 4.4 22.1 1.0 O A:HOH2102 4.4 47.0 1.0 CA A:MET302 4.5 17.9 1.0 O A:HOH2025 4.5 33.6 1.0 O A:HOH2087 4.5 28.2 1.0 CB A:ASP363 4.6 14.2 1.0 CB A:ASP365 4.6 17.0 1.0 O A:HOH2085 4.8 21.5 1.0

Calcium binding site 2 out of 3 in the Calcium Binding Domain C2B


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Calcium Binding Domain C2B within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1420 b:18.1 occ:1.00 OD2 A:ASP309 2.3 16.1 1.0 O A:TYR364 2.4 14.0 1.0 OD1 A:ASP365 2.4 18.1 1.0 OD2 A:ASP303 2.4 25.1 1.0 O A:HOH2085 2.4 21.5 1.0 OD1 A:ASP363 2.5 15.1 1.0 OD1 A:ASP303 2.5 19.6 1.0 OD2 A:ASP363 2.7 16.0 1.0 CG A:ASP303 2.9 21.9 1.0 CG A:ASP363 3.0 14.9 1.0 CG A:ASP309 3.4 16.2 1.0 C A:TYR364 3.5 14.8 1.0 CG A:ASP365 3.6 18.2 1.0 CA A:CA1419 3.7 20.5 1.0 O A:HOH2029 3.8 31.3 1.0 CB A:ASP309 3.8 14.6 1.0 CA A:ASP365 4.1 16.1 1.0 N A:ASP365 4.1 15.5 1.0 N A:ASP309 4.2 14.8 1.0 OD2 A:ASP365 4.4 19.6 1.0 CB A:ASP303 4.4 22.1 1.0 CA A:CA1421 4.4 29.4 1.0 CB A:ASP363 4.4 14.2 1.0 OD1 A:ASP309 4.4 16.1 1.0 N A:TYR364 4.4 14.0 1.0 CB A:ASP365 4.5 17.0 1.0 O A:HOH2087 4.5 28.2 1.0 O A:HOH2023 4.5 29.9 1.0 CA A:TYR364 4.6 14.3 1.0 O A:HOH2024 4.6 28.0 1.0 C A:ASP363 4.6 14.1 1.0 O A:HOH2088 4.6 24.5 1.0 CA A:ASP309 4.7 14.7 1.0 C A:SER308 4.9 15.8 1.0 O A:ASP363 4.9 14.4 1.0 CA A:ASP363 5.0 13.9 1.0

Calcium binding site 3 out of 3 in the Calcium Binding Domain C2B


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Calcium Binding Domain C2B within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1421 b:29.4 occ:1.00 O A:HOH2023 2.3 29.9 1.0 OD1 A:ASN333 2.3 23.8 1.0 O A:HOH2029 2.3 31.3 1.0 O A:HOH2053 2.3 30.2 1.0 O A:HOH2028 2.3 33.6 1.0 OD1 A:ASP309 2.4 16.1 1.0 OD2 A:ASP309 2.6 16.1 1.0 CG A:ASP309 2.9 16.2 1.0 CG A:ASN333 3.5 21.4 1.0 OD2 A:ASP303 3.5 25.1 1.0 O A:HOH2085 4.1 21.5 1.0 O A:HOH2027 4.2 34.5 1.0 ND2 A:ASN333 4.3 26.3 1.0 N A:ASN333 4.3 18.4 1.0 CB A:ASP309 4.4 14.6 1.0 CG A:ASP303 4.4 21.9 1.0 CA A:CA1420 4.4 18.1 1.0 CA A:ASN333 4.5 17.6 1.0 CB A:ASN333 4.6 18.7 1.0 O A:HOH2051 4.6 36.4 1.0 O A:SER308 4.7 15.8 1.0 C A:SER308 4.7 15.8 1.0 CB A:ASP303 4.9 22.1 1.0 O A:HOH2026 4.9 29.4 1.0 N A:ASP309 4.9 14.8 1.0

Y.Cheng, S.M.Sequeira, L.Malinina, V.Tereshko, T.H.Sollner, D.J.Patel. Crystallographic Identification of CA2+ and SR2+ Coordination Sites in Synaptotagmin I C2B Domain Protein Sci. V. 13 2665 2004.
ISSN: ISSN 0961-8368
PubMed: 15340165
DOI: 10.1110/PS.04832604