Calcium in PDB 3buz: Crystal Structure of Ia-Btad-Actin Complex

The structure of Crystal Structure of Ia-Btad-Actin Complex, PDB code: 3buz was solved by H.Tsuge, M.Nagahama, M.Oda, S.Iwamoto, H.Utsunomiya, V.E.Marquez, N.Katunuma, M.Nishizawa, J.Sakurai, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	36.69 / 2.81
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	57.014, 126.344, 147.127, 90.00, 90.00, 90.00
R / Rfree (%)	22.4 / 29.8

The binding sites of Calcium atom in the Crystal Structure of Ia-Btad-Actin Complex (pdb code 3buz). 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 Ia-Btad-Actin Complex, PDB code: 3buz:

Calcium binding site 1 out of 1 in the Crystal Structure of Ia-Btad-Actin Complex


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 Ia-Btad-Actin Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca500 b:46.7 occ:1.00 O B:HOH930 2.1 21.9 1.0 O B:HOH936 2.3 24.6 1.0 O B:HOH926 2.3 26.7 1.0 O3G B:ATP380 2.4 30.8 1.0 O2B B:ATP380 2.4 29.8 1.0 O B:HOH931 2.6 46.6 1.0 O1G B:ATP380 2.9 33.3 1.0 PG B:ATP380 3.1 30.6 1.0 PB B:ATP380 3.5 32.3 1.0 O3B B:ATP380 3.7 29.1 1.0 O B:HOH925 3.7 35.7 1.0 CA B:GLY13 3.8 43.2 1.0 O B:HOH934 3.9 30.1 1.0 OE1 B:GLN137 4.0 34.3 1.0 CD B:GLN137 4.2 32.2 1.0 O3A B:ATP380 4.3 32.4 1.0 NE2 B:GLN137 4.4 32.8 1.0 O2G B:ATP380 4.5 28.7 1.0 OD2 B:ASP154 4.5 45.0 1.0 O1A B:ATP380 4.6 29.3 1.0 N B:GLY13 4.6 41.9 1.0 O B:HOH932 4.7 39.6 1.0 OD1 B:ASP11 4.8 47.5 1.0 CG B:GLN137 4.8 30.4 1.0 N B:SER14 4.8 43.3 1.0 O1B B:ATP380 4.8 33.8 1.0 O B:ASN12 4.8 41.0 1.0 C B:GLY13 4.9 43.3 1.0 NZ B:LYS18 4.9 33.1 1.0 PA B:ATP380 5.0 33.2 1.0 O B:HOH929 5.0 22.9 1.0

H.Tsuge, M.Nagahama, M.Oda, S.Iwamoto, H.Utsunomiya, V.E.Marquez, N.Katunuma, M.Nishizawa, J.Sakurai. Structural Basis of Actin Recognition and Arginine Adp-Ribosylation By Clostridium Perfringens Iota-Toxin Proc.Natl.Acad.Sci.Usa V. 105 7399 2008.
ISSN: ISSN 0027-8424
PubMed: 18490658
DOI: 10.1073/PNAS.0801215105