Calcium in PDB 3el2: Crystal Structure of Monomeric Actin Bound to Ca-Atp

The structure of Crystal Structure of Monomeric Actin Bound to Ca-Atp, PDB code: 3el2 was solved by U.B.Nair, P.B.Joel, Q.Wan, S.Lowey, M.A.Rould, K.M.Trybus, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 2.50
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	206.634, 54.023, 36.972, 90.00, 98.16, 90.00
R / Rfree (%)	20.3 / 26.2

The binding sites of Calcium atom in the Crystal Structure of Monomeric Actin Bound to Ca-Atp (pdb code 3el2). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of Monomeric Actin Bound to Ca-Atp, PDB code: 3el2:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of Monomeric Actin Bound to Ca-Atp


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 Monomeric Actin Bound to Ca-Atp within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca901 b:27.5 occ:1.00 O A:HOH929 2.2 23.3 1.0 O2G A:ATP800 2.2 24.5 1.0 O1B A:ATP800 2.3 25.4 1.0 O A:HOH1019 2.4 20.5 1.0 O A:HOH1015 2.4 48.4 1.0 O A:HOH1093 2.5 28.9 1.0 O A:HOH1092 2.5 30.5 1.0 PB A:ATP800 3.6 22.0 1.0 PG A:ATP800 3.6 26.3 1.0 O3B A:ATP800 4.1 21.8 1.0 O3A A:ATP800 4.1 22.6 1.0 O3G A:ATP800 4.1 20.5 1.0 CA A:GLY13 4.2 34.3 1.0 NZ A:LYS18 4.2 23.8 1.0 NE2 A:GLN137 4.2 32.6 1.0 O1A A:ATP800 4.3 20.0 1.0 OD2 A:ASP11 4.4 28.6 1.0 CD A:GLN137 4.5 32.6 1.0 OD1 A:ASP11 4.6 30.4 1.0 O A:HOH967 4.6 22.9 1.0 PA A:ATP800 4.7 19.7 1.0 O A:ASN12 4.7 32.3 1.0 OD1 A:ASP154 4.7 24.2 1.0 OE1 A:GLN137 4.7 34.4 1.0 O1G A:ATP800 4.8 25.4 1.0 O2B A:ATP800 4.8 24.3 1.0 CG A:ASP11 4.9 28.5 1.0 O A:HOH979 4.9 24.9 1.0 N A:GLY13 4.9 33.5 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Monomeric Actin Bound to Ca-Atp


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Monomeric Actin Bound to Ca-Atp within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca902 b:48.6 occ:1.00 NE2 A:GLN263 2.3 29.2 1.0 O A:HOH1025 2.3 16.6 1.0 OG A:SER265 2.5 22.2 1.0 O A:HOH1056 2.8 33.4 1.0 CD A:GLN263 3.3 30.2 1.0 CB A:SER265 3.5 20.4 1.0 OE1 A:GLN263 3.5 32.7 1.0 N A:SER265 4.2 21.9 1.0 O A:HOH975 4.2 47.7 1.0 CA A:SER265 4.4 19.8 1.0 CG A:GLN263 4.7 28.3 1.0 O A:MET269 4.7 31.4 1.0 CD A:PRO264 4.7 20.9 1.0 O A:GLU270 4.9 31.5 1.0 O A:ALA271 4.9 31.9 1.0 N A:PRO264 5.0 22.9 1.0

U.B.Nair, P.B.Joel, Q.Wan, S.Lowey, M.A.Rould, K.M.Trybus. Crystal Structures of Monomeric Actin Bound to Cytochalasin D. J.Mol.Biol. V. 384 848 2008.
ISSN: ISSN 0022-2836
PubMed: 18938176
DOI: 10.1016/J.JMB.2008.09.082