Calcium in PDB 2hf4: Crystal Structure of Monomeric Actin in Its Atp-Bound State

The structure of Crystal Structure of Monomeric Actin in Its Atp-Bound State, PDB code: 2hf4 was solved by M.A.Rould, Q.Wan, P.B.Joel, S.Lowey, K.M.Trybus, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.77 / 1.80
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	199.700, 54.070, 39.590, 90.00, 93.16, 90.00
R / Rfree (%)	18.1 / 21.1

The binding sites of Calcium atom in the Crystal Structure of Monomeric Actin in Its Atp-Bound State (pdb code 2hf4). 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 in Its Atp-Bound State, PDB code: 2hf4:
Jump to Calcium binding site number: 1; 2;

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


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 in Its Atp-Bound State within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca901 b:13.8 occ:1.00 O1B A:ATP800 2.3 12.7 1.0 O A:HOH1001 2.3 11.9 1.0 O2G A:ATP800 2.4 13.7 1.0 O A:HOH1003 2.4 12.8 1.0 O A:HOH1004 2.5 14.0 1.0 O A:HOH1005 2.5 13.8 1.0 O A:HOH1007 2.6 14.8 1.0 PG A:ATP800 3.5 15.5 1.0 PB A:ATP800 3.6 14.9 1.0 O3G A:ATP800 3.9 13.9 1.0 O3B A:ATP800 3.9 14.4 1.0 OE1 A:GLN137 4.1 12.4 1.0 O3A A:ATP800 4.2 13.7 1.0 O A:HOH1018 4.2 18.0 1.0 CA A:GLY13 4.2 15.6 1.0 O1A A:ATP800 4.4 13.9 1.0 NZ A:LYS18 4.4 16.6 1.0 CD A:GLN137 4.5 14.8 1.0 O A:HOH1065 4.5 23.4 1.0 OD1 A:ASP154 4.6 24.8 1.0 OD2 A:ASP11 4.7 13.6 1.0 OD1 A:ASP11 4.8 13.4 1.0 OD2 A:ASP154 4.8 20.6 1.0 PA A:ATP800 4.8 15.3 1.0 O2B A:ATP800 4.8 13.7 1.0 O1G A:ATP800 4.9 16.1 1.0 O A:HOH1071 4.9 24.4 1.0 NE2 A:GLN137 4.9 11.3 1.0 O A:ASN12 4.9 15.9 1.0 CG A:GLN137 5.0 12.8 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Monomeric Actin in Its Atp-Bound State


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 in Its Atp-Bound State within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca902 b:26.7 occ:1.00 OG A:SER265 2.3 17.3 1.0 O A:HOH1030 2.3 19.1 1.0 O A:HOH1302 2.5 41.1 1.0 OE1 A:GLN263 2.5 17.7 1.0 CB A:SER265 3.4 16.5 1.0 CD A:GLN263 3.5 15.8 1.0 NE2 A:GLN263 3.7 18.1 1.0 N A:SER265 4.0 14.1 1.0 O A:HOH1150 4.2 31.7 1.0 CA A:SER265 4.2 16.3 1.0 O A:MET269 4.4 22.1 1.0 O A:HOH1145 4.4 31.2 1.0 O A:ALA271 4.6 20.9 1.0 O A:GLU270 4.8 21.4 1.0 CG A:GLN263 4.8 15.7 1.0 CD A:PRO264 5.0 12.8 1.0

M.A.Rould, Q.Wan, P.B.Joel, S.Lowey, K.M.Trybus. Crystal Structures of Expressed Non-Polymerizable Monomeric Actin in the Adp and Atp States. J.Biol.Chem. V. 281 31909 2006.
ISSN: ISSN 0021-9258
PubMed: 16920713
DOI: 10.1074/JBC.M601973200